CN115581136B - High-speed precise seed metering device with staggered and uniformly distributed seed scoops and grids for synchronous transportation - Google Patents
High-speed precise seed metering device with staggered and uniformly distributed seed scoops and grids for synchronous transportation Download PDFInfo
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- CN115581136B CN115581136B CN202211432835.5A CN202211432835A CN115581136B CN 115581136 B CN115581136 B CN 115581136B CN 202211432835 A CN202211432835 A CN 202211432835A CN 115581136 B CN115581136 B CN 115581136B
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 230000005012 migration Effects 0.000 claims abstract description 3
- 238000013508 migration Methods 0.000 claims abstract description 3
- 238000005192 partition Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 7
- 238000012840 feeding operation Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000009331 sowing Methods 0.000 abstract description 14
- 240000008042 Zea mays Species 0.000 abstract description 9
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 abstract description 9
- 235000002017 Zea mays subsp mays Nutrition 0.000 abstract description 9
- 235000005822 corn Nutrition 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010899 nucleation Methods 0.000 description 14
- 244000068988 Glycine max Species 0.000 description 4
- 235000010469 Glycine max Nutrition 0.000 description 4
- 108010016634 Seed Storage Proteins Proteins 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005429 filling process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000653 occupational exposure banding Toxicity 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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Abstract
The invention relates to a high-speed precise seed metering device with staggered and uniformly distributed grids for synchronous transportation of a seed spoon, which comprises a driving shaft, a front side seed cleaning brush, a front side outer shell, a fixed shell, a front side bucket wheel, a front side baffle plate, a driving gear, a grid conveying belt, a back side baffle plate, a back side bucket wheel, a back side outer shell, a back side seed cleaning brush, a tensioning block, a tensioning fixed block, a conveying belt fixed baffle plate, a driven gear, a conveying belt baffle plate and a tensioning bolt, wherein the driving gear is arranged on the front side outer shell; the positive side bucket wheel and the back side bucket wheel are symmetrically fixed on the driving gear, the positive side bucket wheel is clung to the positive side baffle, the back side bucket wheel is clung to the back side baffle, the grid conveyer belt is arranged at the middle position of the positive side baffle and the back side baffle, seed scoops arranged on the positive side bucket wheel and the back side seed scoops are in one-to-one correspondence with grid holes, staggered seed taking is carried out, and the grid conveyer belt carries out centralized seed guiding. The double-row seed spoon can realize independent seed filling and centralized seed guiding and conveying, improves the seed filling effect, ensures orderly seed migration and improves the high-speed corn sowing quality.
Description
Technical Field
The invention belongs to the field of agricultural machinery, and particularly relates to a high-speed precise seed metering device with staggered and uniformly distributed grids for synchronous transportation of a seed spoon.
Background
With the development of intensive and large-scale production and the high attention of the national strategy to the corn unit yield level and the operation efficiency, the existing precision seeding machine is difficult to meet the green development requirement of high-speed and high-quality modern agriculture. In addition, in order to solve the contradiction between supply and demand of corn and soybean, the national corn and soybean banded compound planting technology is widely popularized and applied, and the requirement of corn small plant spacing (10-15 cm) planting agriculture is further increased, so that the difficulty in improving the operation speed of the precision seeding machine tool is further increased. Therefore, whether the requirements of modern agriculture development direction are met or urgent requirements of contradiction between supply and demand of corn and soybean in China are relieved in the current stage, a high-speed precision seeder with high reliability and simple structure is needed, and the high-speed precision seeder is used as a core component of the high-speed precision seeder and also becomes a short plate problem which is needed to be complemented in China.
The prior bucket wheel type precision seed metering device and finger-clip type precision seed metering device are most widely applied in China, and the bucket wheel type seed metering device can be suitable for precision seeding below 6km/h, and has low operation speed and poor seeding precision; the finger-clamping type precision seed metering device can be suitable for precision seeding operation of 8-10km/h, but because the spring of the domestic finger-clamping type precision seed metering device is easy to lose efficacy and has lower reliability, most of the finger-clamping type precision seed metering device is used in the market as imported products such as precision planting and Kizne, and the traditional curve seed guide tube is adopted for seed guide, the collision and the ectopic in the seed guide tube are serious under the condition of high-speed operation, the seeding quality is poor, and the development of the seeder industry in China is seriously restricted. The pneumatic precision seeder is mostly adopted in developed European and American countries to carry out precision seeding operation, the core component is provided with the active seed feeding device by utilizing the pneumatic precision seeder, the operation speed is high (more than 10 km/h), the operation quality is good, but the cost is high, the structure is complex, and the precision seeding device is not suitable for the high-speed precision seeding requirement in the current stage in China. Therefore, there is a need to design a precise seed metering device suitable for high-speed precise seeding operation, which has the functions of simple structure, active seed feeding and small plant spacing, so as to solve the technical short plate problem in the prior art.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a high-speed precise seed sowing device with staggered and uniformly distributed spoons and grids for synchronous transportation, which aims to solve the technical problems that: how to solve the reliable seed filling of the seed metering device under the high rotating speed and the accurate seed feeding under the high-speed operation condition of the machine, realize the high-speed accurate seeding and the quick seeding operation of the corn and soybean strip-shaped composite planting with small plant spacing, ensure the seeding quality and improve the seeding work efficiency.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a high-speed precision seed metering ware of synchronous transportation of many kinds of spoon dislocation equipartition grid, including the drive shaft, positive side clear seed brush, positive side shell body, fixed casing, positive side bucket wheel, positive side baffle, the driving gear, the grid conveyer belt, the back side baffle, back side bucket wheel, back side shell body, back side clear seed brush, tensioning piece, tensioning fixed block, conveyer belt fixed baffle, driven gear, conveyer belt baffle and link and use bolt, nut and holding screw, positive side bucket wheel and back side bucket wheel symmetry are fixed on the driving gear, positive side bucket wheel hugs closely positive side baffle, back side bucket wheel hugs closely the back side baffle simultaneously, positive side baffle recess corresponds with positive side seed spoon hole and forms positive side seed filling space, back side baffle recess corresponds with back side seed spoon hole and forms back side seed filling space, do benefit to both sides and seed; the front seed scoops on the front side bucket wheel and the back seed scoops on the back side bucket wheel are symmetrically and uniformly arranged on two sides of the driving gear in a staggered mode, the number of seed scoops is increased, the rotating speed of the seed sowing device at the same sowing speed is reduced, the seed filling rate is improved, and the high-speed sowing quality is improved. The grid conveyer belt adopts the hold-in range structure, installs in the intermediate position of positive side baffle and dorsal part baffle, rotates with driving gear and driven gear synchrony, and wherein adjacent grid board on the grid conveyer belt forms the enclosure space with the both sides baffle back, enclosure space and positive side seed spoon, dorsal side seed spoon one-to-one and synchronous rotation, and positive side seed spoon and dorsal side seed spoon carry the seed respectively and arrive the seed position and get into the enclosure space, move to the seed ditch under the drive of hold-in range, accomplish the low level and throw the seed. When the seed sowing device works, under the drive of external power, the front side bucket wheel, the back side bucket wheel and the grid conveying belt synchronously rotate, and when the seed sowing device passes through a seed sowing area, the front side seed sowing spoon on the front side bucket wheel and the back side seed sowing spoon on the back side bucket wheel are sequentially staggered to take seeds; the front side bucket wheel and the back side bucket wheel continue to rotate, and after the front side bucket wheel and the back side bucket wheel pass through the seed filling area, redundant seeds are removed under the action of the gravity of the seed cleaning brush and the seeds, so that one spoon and one particle are ensured; the front side bucket wheel, the back side bucket wheel and the grid conveyer belt continue to rotate, seeds are supported by seed scoops of the two side bucket wheels to reach a seed unloading area, and seeds on two sides slide into grid holes of the corresponding grid conveyer belt due to no constraint of a baffle plate, so that two quantitative separated seed flows are combined into one; the seeds move along with the grid conveyer belt, the seed conveying area is closed, seeds cannot fall off, meanwhile, dislocation cannot occur, and after the seeds reach the seed feeding port, the seeds are separated, so that the seed feeding operation is completed.
The positive side outer shell, the positive side bucket wheel, the positive side baffle, the back side bucket wheel, the fixed shell and the back side outer shell form a seed filling device, the positive side outer shell is fixedly connected with the fixed shell through bolts, the positive side baffle is fixed on the fixed shell through bolts, the positive side bucket wheel is attached to the positive side baffle, the positive side outer shell, the positive side bucket wheel and the positive side baffle form a seed filling space, and a spoon hole on the positive side bucket wheel corresponds to a groove of the positive side baffle to form a seed containing space; the back side outer shell is fixedly connected with the fixed shell through bolts, the back side baffle is fixedly connected to the fixed shell through bolts, the back side bucket wheel is attached to the back side baffle, the back side outer shell, the back side bucket wheel and the back side baffle form a seed filling space, and a spoon hole on the back side bucket wheel corresponds to a groove of the back side baffle to form a seed accommodating space; the seed filling processes at the two sides are mutually separated, so that the seed filling space is reasonably utilized while the whole structure of the seed sowing device is not enlarged, and the seed filling rate is ensured.
The back side bucket wheel and the front side bucket wheel are in mirror symmetry structures, 18 concave holes imitating corn shapes are uniformly distributed in the circumferential direction, the back side bucket wheel and the front side bucket wheel are uniformly and symmetrically arranged in a staggered mode, and the back side bucket wheel and the front side bucket wheel are in one-to-one correspondence with the grid holes; the back side partition plate and the front side partition plate are provided with circular arc seed feeding ports, the size of the seed discharging port corresponding to the seed feeding area determines the range of the seed feeding area, and the opening angle is 80 degrees; the back side bucket wheel and the front side bucket wheel coaxially rotate to the seed throwing area, seeds in the bucket wheels enter corresponding grids of the conveying device, seed flows which are independently and uniformly arranged at two sides are combined into one seed flow which is uniformly arranged, concentrated seed guiding and conveying are carried out, the quantity of seed metering spoons is doubled on the basis that the integral structure of the seed metering device is not increased, the rotating speed of the seed metering device is doubled when the seeds are sowed at the same speed, and the seed filling rate of high-speed operation is improved.
The grid conveyer belt, the driving gear, the conveyer belt baffle, the driven gear, the conveyer belt fixed baffle, the tensioning block and the tensioning fixed block form a seed guiding and conveying device, the driving gear is fixedly connected with the driving shaft, the grid conveyer belt is meshed with the driving gear, and the grid conveyer belt synchronously rotates along with the rotation of the driving gear; grid plates are uniformly distributed on the grid conveyor belt, relatively closed grid holes are formed among the grid plates and serve as seed storage spaces, and the seed storage spaces are in one-to-one correspondence with the front side seed scoops and the back side seed scoops in seed filling and seed feeding stages; the conveyer belt fixed baffle passes through bolt fixed connection with fixed casing for fixed driven gear, tensioning piece, tensioning fixed block, driven gear and tensioning piece fixed connection accomplish driven gear's tensioning through the tensioning of tensioning piece, guarantee the stationarity of leading kind conveyor operation.
The grid conveyer belt is evenly provided with grid plates, the grid plates and the shell form relatively airtight grid holes for storing seeds, and the size of the grid holes is set to be the maximum length of seeds with the length, the width and the height being larger than 1.5 times in order to ensure that the seeds smoothly enter and exit the grid holes.
The fixed baffle of the conveyer belt is obliquely arranged, and an inclination angle is arranged at the position of the seed feeding port at the tail end, so that zero-speed seed feeding is realized for counteracting the advancing speed of a machine provided by seeds, the inclination angle of the fixed baffle of the conveyer belt is 8-10 degrees, and the included angle between the seed feeding port at the tail end and the vertical direction is 30-35 degrees.
Compared with the prior art, the invention has the beneficial effects that: according to the seed metering method, the double-row seed metering scoops are adopted to independently and respectively charge seeds, and the grid is used for centralized seed guiding and conveying, wherein the double-row seed metering scoops reasonably use a space structure, the number of seed metering scoops is increased in multiple, the rotating speed of a scoop wheel is reduced, and the seed charging effect is improved; in addition, the two sides are independently and respectively used for seed filling, the seed filling processes are mutually separated, and compared with the single-side seed filling modes with the same number of seed scoops, the seed filling time of the seed scoops is prolonged, and the seed filling rate is further improved. The invention adopts the seed guiding and conveying device to conduct full constraint seed guiding, carries out full constraint with only local freedom degree on seeds leaving the seed metering spoon, forces the seeds to keep the orderly migration state, can effectively avoid the occurrence of collision dislocation and bouncing dislocation between the seeds and the seed guiding pipe wall and between the seeds and the soil of the seed bed caused by the vibration of the planter and other reasons, and improves the high-speed operation quality.
Drawings
FIG. 1 is an exploded schematic view of the structure of a high-speed precise seed metering device with staggered and uniformly distributed and grid synchronous transportation of a seed spoon;
FIG. 2 is a schematic view of a seed metering operation and region division of a seed cavity shell-removed seed metering device for synchronously moving a seed spoon and a staggered and uniformly distributed grid;
FIG. 3 is a schematic view of a seed charging device for synchronously moving a high-speed precise seed metering device by shifting and uniformly distributing a grid by a seed spoon
FIG. 4 is a schematic diagram of the installation of the front and back bucket wheels of a spoon dislocated and uniformly distributed grid synchronous moving high-speed precise seed metering device
FIG. 5 is a schematic diagram of a structure of a scoop wheel and a baffle plate of a scoop staggered and uniformly distributed grid synchronous moving high-speed precise seed metering device;
FIG. 6 is a schematic structural view of a seed guiding and conveying device for synchronously moving a high-speed precise seed metering device by arranging a seed spoon in a staggered and uniformly distributed manner;
FIG. 7 is a schematic diagram of a grid conveyor belt for a high-speed precise seed metering device with staggered and uniformly distributed grids of a seed ladle.
Wherein, the reference numerals are as follows:
the cleaning device comprises a driving shaft 2, a front side seed cleaning brush 3, a front side outer shell 4, a fixed shell 5, a front side bucket wheel 6, a front side baffle 7, a driving gear 8, a grid conveyor belt 9, a back side baffle 10, a back side bucket wheel 11, a back side outer shell 12, a back side seed cleaning brush 13, a tensioning block 14, a tensioning fixed block 15, a conveyor belt fixed baffle 16, a driven gear 17, a conveyor belt baffle 18 and tensioning bolts;
i-a seed filling area II-a seed carrying area III-a seed discharging area IV-a seed conveying area;
501-a front side seed spoon 601-a front side baffle notch 602-a front side baffle groove 603-a front side baffle fixing hole 901-a back side baffle notch 902-a back side baffle groove 903-a back side baffle fixing hole 1001-a back side seed spoon; 801-grid plate 802-synchronous belt 803-grid holes;
ν-grid conveyor belt speedω-Angular velocity of driving gearα-conveyor belt fixed baffle tilt angleβ-And an included angle between the tail end seed feeding port and the vertical direction.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in fig. 1 and 2, the high-speed precise seed metering device for synchronous transportation of the staggered and uniformly distributed grids of the seed scoops comprises a driving shaft 1, a front side seed cleaning brush 2, a front side outer shell 3, a fixed shell 4, a front side bucket wheel 5, a front side baffle plate 6, driving teeth 7, a grid conveying belt 8, a back side baffle plate 9, a back side bucket wheel 10, a back side outer shell 11, a back side seed cleaning brush 12, a tensioning block 13, a tensioning fixing block 14, a conveying belt fixing baffle plate 15, a driven gear 16, a conveying belt baffle plate 17 and a tensioning bolt 18.
The positive side bucket wheel 5 evenly arranges positive side seed spoon 501 along circumference, and the back side bucket wheel 10 evenly arranges back side seed spoon 1001 along circumference, and seed spoon symmetry dislocation evenly arranges to fix on driving gear 7, positive side bucket wheel 5 hugs closely with positive side baffle 6 simultaneously, and back side bucket wheel 10 hugs closely the cooperation with back side baffle 9, and wherein positive side baffle recess 602, back side baffle recess 902 correspond respectively with positive side seed spoon 501 and back side seed spoon 1001 and form and fill kind space, do benefit to the seed.
The grid conveyer belt 8 mainly comprises a grid plate 801 and a synchronous belt 802, the grid conveyer belt 8 is synchronously meshed with the driving gear 7 and the driven gear 16 to synchronously rotate, wherein the adjacent grid plate 801 forms a closed space together with the back surface of the front side partition plate 6 and the back surface of the back side partition plate 9, the closed space is in one-to-one correspondence with the front side seed spoon 504 and the back side seed spoon 1001 and synchronously rotates, seed spoon seeds arrive at a seed throwing position to enter the closed space, and the seeds are moved to a seed ditch under the drive of the synchronous belt to finish low-level seed throwing.
When the seed metering device with staggered and uniformly distributed grids for synchronously moving high-speed precision seed metering works, under the drive of external power, the front side bucket wheel 5, the back side bucket wheel 10 and the grid conveying belt 8 synchronously rotate, and the front side seed spoon 501 on the front side bucket wheel 5 and the back side seed spoon 1001 on the back side bucket wheel 10 are sequentially staggered for seed taking when the seed metering area is filled; the front side bucket wheel 5 and the back side bucket wheel 10 continue to rotate, and after the front side bucket wheel and the back side bucket wheel rotate through the seed charging area, redundant seeds are removed under the action of the gravity of the front side seed cleaning brush 2, the back side seed cleaning brush 12 and the seeds, so that one spoon and one grain are ensured; the front side bucket wheel 501, the back side bucket wheel 1001 and the grid conveyer belt 8 continue to rotate, seeds supported by the seed scoops of the two side bucket wheels reach the seed unloading area, and the seeds on the two sides slide into grid holes of the corresponding grid conveyer belt 8 due to no constraint of the partition plates, so that two quantitative separated seed flows are combined into one; the seeds move along with the grid conveyer belt 8, the seed conveying area is closed, seeds cannot fall off, meanwhile, dislocation cannot occur, and after the seeds reach the seed feeding port, the seeds are separated, so that the seed feeding operation is completed.
As shown in FIG. 2, when the seed sowing device is operated specifically, the seed sowing device is divided into a seed charging area I, a seed carrying area II, a seed discharging area III and a seed conveying area IV in sequence according to the operation of different areas; in the seed filling area I, seed scooping is carried out on the front side seed scoop 501 and the back side seed scoop 1001, and in the seed carrying area II, seed conveying and surplus seed cleaning are completed; in the seed discharging area III, seeds respectively fall into grid holes 803 of the grid conveying belt 8 from the front side seed spoon 501 and the back side seed spoon 1001, and seeds on two sides are concentrated to one side for transportation; in the conveying area IV, seeds do not roll and collide in the grid holes 803 of the grid conveying belt 8, and are stably conveyed to the lower end of the conveying belt, so that seed feeding operation is completed.
As shown in fig. 3 and 4, the front outer casing 3, the front bucket wheel 5, the front partition plate 6, the back partition plate 9, the back bucket wheel 10, the fixed casing 4 and the back outer casing 11 form a seed filling device, the front outer casing 3 and the fixed casing 4 are fixedly connected through bolts, the front partition plate 6 is fixed on the fixed casing 4 through bolts, the front bucket wheel 5 is attached to the front partition plate 6, the front outer casing 3, the front bucket wheel 5 and the front partition plate 6 form a front seed filling space, and the front seed spoon 501 and the front partition plate groove 602 form a seed accommodating space correspondingly; similarly, the back side outer shell 11 is fixedly connected with the fixed shell 4 through bolts, the back side baffle 9 is fixed on the fixed shell through bolts, the back side bucket wheel 10 is attached to the back side baffle 9, the back side outer shell 11, the back side bucket wheel 10 and the back side baffle 9 form a back side seed filling space, and the back side seed spoon 1001 and the back side baffle groove 902 correspond to form a seed accommodating space; the seed filling processes at the two sides are mutually separated, so that the seed filling space is reasonably utilized while the whole structure of the seed sowing device is not enlarged, and the seed filling rate is ensured.
As shown in fig. 5, the front side bucket wheel 5 and the back side bucket wheel 10 are in mirror symmetry structures, 18 concave holes imitating corn shapes are uniformly distributed in the circumferential direction, the front side bucket wheel 5 and the back side bucket wheel 10 are uniformly and symmetrically arranged in a staggered manner, and the front side bucket wheel 5 and the back side bucket wheel 10 are in one-to-one correspondence with the grid holes 803; the positive side baffle 6 and the back side baffle 9 are provided with circular arc-shaped positive side baffle gaps 601 and back side baffle gaps 901, the corresponding seed throwing areas are provided, the seed discharging opening angle determines the range of the seed throwing areas, the opening angle is 80 degrees, the positive side bucket wheel 5 and the back side bucket wheel 10 coaxially rotate to the seed throwing areas, seeds in the positive side bucket wheel 5 and the back side bucket wheel 10 enter the grid holes 803 of the corresponding conveying devices 8, and the delivery of the seeds of the positive side seed scoops 501 and the back side seed scoops 1001 into the grid holes 803 is completed.
As shown in fig. 6, the grid conveyer belt 8, the driving gear 7, the conveyer belt baffle 17, the driven gear 16, the conveyer belt fixing baffle 15, the tensioning block 13 and the tensioning fixing block 14 form a seed guiding and conveying device, the driving gear 7 is fixedly connected with the driving shaft 1, one side of a synchronous belt 802 on the grid conveyer belt 8 is meshed with the driving gear 7, the other side is meshed with the driven gear 16, and the synchronous belt is synchronously rotated along with the rotation of the driving gear 7; grid plates 801 are uniformly distributed on the grid conveyor belt 8, relatively airtight grid holes 803 are formed among the grid plates 801 and serve as seed storage spaces, and the seed storage spaces are in one-to-one correspondence with the front side seed scoops and the back side seed scoops in seed filling and seed feeding stages; the conveyer belt fixed baffle 15 passes through bolt fixed connection with fixed casing 4 for fixed driven gear 16, tensioning piece 13, tensioning fixed block 14 are fixed in conveyer belt fixed baffle 15 outside, and driven gear 16 and tensioning piece 13 fixed connection accomplish the tensioning of driven gear 16 through the tensioning of tensioning piece 13, guarantee the stationarity of leading kind conveyor operation.
As shown in fig. 6, the fixed baffle 15 of the conveyer belt is installed in an inclined way, and an inclined angle is arranged at the seed feeding port at the tail end, so as to offset the advancing speed of the machine of the seeds, realize zero-speed seed feeding,inclination angle of conveyor belt fixed baffle 15αThe degree is 8-10 degrees, and the included angle between the tail end seed feeding port and the vertical directionβ30-35 deg..
As shown in fig. 7, the grid plates 801 are uniformly distributed on the grid conveyor belt 8, and relatively airtight grid holes 803 are formed between the grid plates 801 for storing seeds, and in order to ensure that the seeds smoothly enter and exit the grid holes 803, the size of the grid holes 803 is set to be greater than 1.5 times the maximum length of the seeds.
Finally, it should be pointed out that: while the best modes for carrying out the invention have been described above by way of example, the scope of the invention is not limited to the above description, and it will be understood by those skilled in the art that any modifications and variations fall within the scope of the invention without departing from the spirit and scope of the teachings of the invention.
Claims (5)
1. The utility model provides a synchronous high-speed accurate seed metering ware of shifting of many kinds of spoon dislocation equipartition grid, including drive shaft (1), positive side seed cleaning brush (2), positive side shell body (3), fixed casing (4), positive side bucket wheel (5), positive side baffle (6), driving gear (7), grid conveyer belt (8), back baffle (9), back side bucket wheel (10), back side shell body (11), back side seed cleaning brush (12), tensioning piece (13), tensioning fixed block (14), conveyer belt fixed baffle (15), driven gear (16), conveyer belt baffle (17), tensioning bolt (18);
the seed charging device comprises a positive side outer shell (3), a positive side bucket wheel (5), a positive side baffle plate (6), a back side baffle plate (9), a back side bucket wheel (10), a fixed shell (4) and a back side outer shell (11), wherein the positive side outer shell (3) is fixedly connected with the fixed shell (4) through bolts, the positive side baffle plate (6) is fixedly arranged on the fixed shell (4) through bolts, the back side outer shell (11) is fixedly connected with the fixed shell (4) through bolts, the back side baffle plate (9) is fixedly arranged on the fixed shell (4) through bolts, and the seed charging processes on two sides are mutually separated; the front side bucket wheel (5) and the back side bucket wheel (10) are symmetrically fixed on the driving gear (7), the front side bucket wheel (5) is uniformly provided with front side seed scoops (501) along the circumferential direction, the back side bucket wheel (10) is uniformly provided with back side seed scoops (1001) along the circumferential direction, and the front side seed scoops (501) on the front side bucket wheel (5) and the back side seed scoops (1001) on the back side bucket wheel (10) are symmetrically and uniformly arranged at two sides of the driving gear (7) in a staggered manner; the front side bucket wheel (5) is tightly attached to the front side baffle plate (6), the back side bucket wheel (10) is tightly attached to the back side baffle plate (9), the front side outer shell (3), the front side bucket wheel (5) and the front side baffle plate (6) form a front side seed filling space, and the front side seed spoon (501) and the front side baffle plate groove (602) are correspondingly formed into a front side seed accommodating space; the back side outer shell (11), the back side bucket wheel (10) and the back side baffle plate (9) form a back side seed filling space, wherein the back side seed spoon (1001) and the back side baffle plate groove (902) correspond to form a back side seed accommodating space; the back side baffle plate groove (902) and the back side seed spoon (1001) are correspondingly formed into a back side seed filling space, so that seed filling on two sides is facilitated;
the device comprises a grid conveying belt (8), a driving gear (7), a conveying belt baffle (17), a driven gear (16), a conveying belt fixing baffle (15), a tensioning block (13) and a tensioning fixing block (14), wherein the driving gear (7) is fixedly connected with a driving shaft (1), the grid conveying belt (8) comprises a grid plate (801), a synchronous belt (802) and grid holes (803), the grid conveying belt (8) is arranged in the middle of a front side baffle (6) and a back side baffle (9), one side of the synchronous belt (802) on the grid conveying belt (8) is meshed with the driving gear (7), the other side of the synchronous belt is meshed with the driven gear (16), and the grid conveying belt (8) synchronously rotates with the driving gear (7) and the driven gear (16); the conveyer belt fixed baffle (15) is fixedly connected with the fixed shell (4) through bolts and used for fixing the driven gear (16), the tensioning block (13) and the tensioning fixed block (14) are fixed on the outer side of the conveyer belt fixed baffle (15), the driven gear (16) is fixedly connected with the tensioning block (13), the tensioning of the driven gear (16) is completed through the tensioning of the tensioning block (13), and the running stability of the seed guiding conveyer device is ensured;
when the seed metering device with staggered and uniformly distributed grids for synchronously moving high-speed precision seed metering works, under the drive of external power, the front side bucket wheel (5), the back side bucket wheel (10) and the grid conveying belt (8) synchronously rotate, and when the seed metering device passes through a seed filling area, the front side seed spoon (501) on the front side bucket wheel (5) and the back side seed spoon (1001) on the back side bucket wheel (10) are sequentially staggered to perform seed taking; the front side bucket wheel (5) and the back side bucket wheel (10) continue to rotate, and after the front side bucket wheel and the back side bucket wheel rotate through the seed filling area, redundant seeds are removed under the action of the gravity of the front side seed cleaning brush (2), the back side seed cleaning brush (12) and the seeds, so that one spoon and one grain are ensured; the front side bucket wheel (5), the back side bucket wheel (10) and the grid conveyer belt (8) continue to rotate, seeds are supported by seed scoops of the two side bucket wheels to reach a seed unloading area, and seeds on the two sides slide into grid holes of the corresponding grid conveyer belt (8) due to no constraint of a baffle plate, so that two quantitative separated seed flows are combined into one; the seeds move along with the grid conveying belt (8), the seed conveying area is closed, seeds cannot fall off, meanwhile, dislocation cannot occur, and after the seeds reach the seed feeding port, the seeds are separated, so that seed feeding operation is completed.
2. The seed metering device is divided into a seed charging area I, a seed carrying area II, a seed discharging area III and a seed conveying area IV in sequence according to the operation of different areas when the seed metering device is operated in detail; in the seed filling area I, seed scooping is carried out by a front side seed scoop (501) and a back side seed scoop (1001), and in the seed carrying area II, the transportation of seeds and the removal of redundant seeds are completed; in the seed discharging area III, seeds respectively fall into grid holes (803) of a grid conveying belt (8) from a front side seed spoon (501) and a back side seed spoon (1001), and seeds on two sides are concentrated to one side for transportation; in the conveying area IV, seeds do not roll and collide in the grid holes (803) of the grid conveying belt (8), and are stably conveyed to the lower end of the conveying belt, so that seed feeding operation is completed.
3. The seed spoon staggered and uniformly distributed grid synchronous moving high-speed precise seed metering device according to claim 1, wherein the front side bucket wheel (5) and the back side bucket wheel (10) are of mirror symmetry structures, 18 corn-like concave holes are uniformly distributed in the circumferential direction, and the front side bucket wheel (5) and the back side bucket wheel (10) are staggered and uniformly and symmetrically arranged and are in one-to-one correspondence with grid holes (803); circular arc positive side baffle breach (601) and dorsal side baffle breach (901) are seted up to positive side baffle (6) and dorsal side baffle (9), correspond to throw kind district, unload kind mouth angular size and decide the scope of throwing kind district, opening angle is 80, wherein positive side bucket wheel (5) and dorsal side bucket wheel (10) coaxial rotation are to throwing kind district, in the grid hole (803) of grid conveyer belt (8) that the seed in positive side bucket wheel (5) and the dorsal side bucket wheel (10) got into corresponds, accomplish the delivery in grid hole (803) of the seed of positive side seed spoon (501) and dorsal side seed spoon (1001).
4. The high-speed precise seed metering device with synchronous migration of uniformly distributed grids of staggered spoons according to claim 1, grid plates (801) are uniformly distributed on a grid conveying belt (8), grid holes (803) of opposite closed spaces are formed by the adjacent grid plates (801) and the back surfaces of a front side partition plate (6) and a back side partition plate (9), the grid holes (803) are in one-to-one correspondence with a front side seed spoon 504 and a back side seed spoon (1001) in seed filling and feeding stages and synchronously rotate, seed spoon seeds arrive at a seed feeding position and enter the closed space, and are transported to seed ditches under the driving of a synchronous belt (802), so that low-level seed feeding is completed.
5. The high-speed precise seed metering device with synchronous transportation of the staggered and uniformly distributed grids of the seed spoon according to claim 1, wherein the size of the grid holes (803) is set to be larger than 1.5 times of the maximum length of seeds in length, width and height, so that the seeds can smoothly enter and exit the grid holes (803).
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| CN202211432835.5A CN115581136B (en) | 2022-11-16 | 2022-11-16 | High-speed precise seed metering device with staggered and uniformly distributed seed scoops and grids for synchronous transportation |
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| CN115581136B true CN115581136B (en) | 2024-03-26 |
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| CN115581136A (en) | 2023-01-10 |
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