CN116493262B - Seed screening device for agricultural planting and application method thereof - Google Patents
Seed screening device for agricultural planting and application method thereof Download PDFInfo
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- CN116493262B CN116493262B CN202310757987.0A CN202310757987A CN116493262B CN 116493262 B CN116493262 B CN 116493262B CN 202310757987 A CN202310757987 A CN 202310757987A CN 116493262 B CN116493262 B CN 116493262B
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- 238000012216 screening Methods 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims description 24
- 238000007873 sieving Methods 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 238000009313 farming Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/24—Revolving drums with fixed or moving interior agitators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
Landscapes
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention relates to the technical field of seed screening, in particular to a seed screening device for agricultural planting and a use method thereof. The existing method generally adopts a gravity screening mode to screen seeds, the method can realize continuous screening of the seeds, the screening operation is simple, but when the seeds are screened on the filter screen, the phenomenon that the seeds are clamped on the filter screen exists, the screening effect of the filter screen is reduced, the vibration filter screen can also cause the phenomenon that the seeds scatter around in the screening process, and the waste of the seeds is caused. The screening part that adopts and stir the unit cooperation, can make the screening part appear vibrations effect to get rid of the seed of card on the screening part, avoid causing the influence to later screening, and screen in the cylinder, avoid the seed to scatter around in screening process.
Description
Technical Field
The invention relates to the technical field of seed screening, in particular to a seed screening device for agricultural planting and a using method thereof.
Background
The seeds are the most important ring in the agricultural planting link, good seeds are the basis of high yield and income increase, the size, shape and color of the seeds are different according to different types, and in order to improve the yield, seed selection treatment is needed before planting.
The seed screening includes various modes, such as screening with seed size and seed weight, when spherical seeds are screened, the existing method generally adopts a gravity screening mode to screen the seeds, the seeds are poured into a hopper, the seeds in the hopper fall onto a vibrating filter screen, and the filter screen screens the seeds through the size of the mesh aperture of the filter screen.
However, in the method, when seeds are screened on the filter screen, the phenomenon that the seeds are blocked on the filter screen exists, the vibrating filter screen can only rebound the seeds upwards, the seeds can still continuously fall onto the filter screen, the phenomenon of blocking shells again exists, the screening effect of the filter screen is reduced, the phenomenon that the seeds scatter everywhere in the screening process can be caused by the vibrating filter screen, the waste of the seeds is caused, the moving speed of the seeds on the filter screen is high, a large number of the seeds fall onto the filter screen at the same time, the filter screen cannot completely screen the seeds, and the screening effect of the seeds is reduced.
Disclosure of Invention
Based on this, it is necessary to provide a seed screening device for agricultural planting, aiming at solving the problem generated when the spherical seeds are screened in the prior art.
In order to achieve the above purpose, the present invention is implemented by adopting the following technical scheme: a seed screening device for agricultural planting, comprising: the bottom plate, the collection frame is installed to the bottom plate upper end, and collection frame left side is provided with the drive unit with bottom plate upper end fixed connection.
And the winnowing unit is arranged at the upper end of the bottom plate and is used for removing light impurities in seeds.
Screening unit installs from right to left downward sloping the selection by winnowing unit left end, the screening unit is including installing the connection plectane of screening unit left end, the feed port has been seted up at connection plectane middle part, rotates on the connection plectane annular face and is connected with the cylinder section of thick bamboo, has seted up a plurality of circumference evenly distributed's screening hole group on the cylinder section of thick bamboo wall, and the screening hole group comprises a plurality of screening holes from left to right evenly distributed, is provided with screening part in the screening hole.
And the stirring unit is arranged on the winnowing unit and is used for stirring the screening component.
According to the embodiment of the invention, the winnowing unit comprises a first supporting plate arranged at the upper end of the bottom plate, an arc-shaped guide pipe is arranged at the upper end of the first supporting plate, the left end of the arc-shaped guide pipe is fixedly connected with a connecting circular plate, a winnowing frame is arranged at the upper end of the arc-shaped guide pipe, a fan module is arranged on the left side wall of the winnowing frame, a rectangular through hole is formed in the right side wall of the winnowing frame, a feeding frame is arranged at the upper end of the winnowing frame, and a distance adjusting component is arranged on the feeding frame.
According to the embodiment of the invention, the distance adjusting component comprises a rotating plate hinged between the front side wall and the rear side wall of the feeding frame, the right end of the rotating plate is hinged with a connecting rod, the connecting rod penetrates through the right side wall of the feeding frame, the right end of the feeding frame is provided with a rotating motor through a motor base, an output shaft of the rotating motor is provided with a rotating disc, and the front end of the rotating disc is hinged with the connecting rod away from the circle center.
According to the embodiment of the invention, the screening unit further comprises a plurality of baffle circular plates which are uniformly distributed and are arranged on the inner wall of the cylindrical barrel, the left end and the right end of each baffle circular plate are respectively provided with a spiral plate, and the left side walls of the baffle circular plates and the cylindrical barrel are respectively provided with a blanking opening, and the blanking openings are spirally distributed.
According to the embodiment of the invention, the screening component comprises a sliding frame which is in sliding connection in the screening hole, two connecting plates are symmetrically arranged at one end of the sliding frame far away from the central axis of the cylinder in a left-right mode, threaded rods are arranged on the connecting plates in a penetrating mode, the threaded rods are in threaded connection with the wall of the cylinder, L-shaped plates are arranged on the connecting plates in a penetrating mode near the sliding frame, right-angle triangular protrusions are arranged at one end of the L-shaped plates, close to the cylinder, of the transverse section of the L-shaped plates, arc-shaped screen plates are arranged on the two vertical sections of the L-shaped plates in a penetrating mode, penetrate through the wall of the sliding frame and are jointly arranged, a plurality of evenly-distributed reset springs are arranged between the arc-shaped screen plates and the sliding frame, and a separation membrane is arranged between the arc-shaped screen plates and the sliding frame.
According to the embodiment of the invention, the stirring unit comprises an L-shaped frame arranged on the upper pipe wall of the arc-shaped catheter, one end of the transverse section of the L-shaped frame, which is close to the cylinder, is provided with a plurality of U-shaped frames which are uniformly distributed and have downward openings, and the opposite ends of the left and right side walls of the U-shaped frames are respectively provided with a cylindrical rod matched with the inclined planes of the right-angle triangular bulges.
According to the embodiment of the invention, the driving unit comprises a second supporting plate arranged at the upper end of the bottom plate, a driving motor is arranged at the right end of the second supporting plate, a connecting shaft is arranged on an output shaft of the driving motor, and the connecting shaft is fixedly connected with the left end of the cylinder.
According to an embodiment of the invention, a plurality of evenly distributed partition plates are arranged in the collecting frame.
According to the embodiment of the invention, the screen mesh diameters of a plurality of arc-shaped screen plates are sequentially increased from right to left.
In addition, the invention also provides a use method of the seed screening device for agricultural planting for screening seeds, which specifically comprises the following steps:
s1: and starting the driving unit, driving the cylinder barrel to rotate by the driving unit, and then starting the winnowing unit.
S2: seeds to be screened are sent into a winnowing unit through an existing feeding machine, and light impurities in the seeds are removed by the winnowing unit.
S3: and S2, the seeds subjected to air separation in the step S2 fall into a cylindrical barrel, the inclined cylindrical barrel and the rotating cylindrical barrel drive the seeds to move, and meanwhile, the screening part screens the seeds according to the size of the seed size.
S4: and (3) the screened seeds fall into the collecting frame, the seeds in the collecting frame are manually bagged, and the driving unit and the air selecting unit are sequentially closed until the seeds are completely screened, and the screening is finished.
In summary, the present invention includes at least one of the following beneficial technical effects: 1. the cylinder that adopts separates fender plectane and spiral plate cooperation, can slow down the speed that the seed moved, has increased the time of screening part to the seed screening, has improved the effect of seed screening.
2. The screening part that adopts and stir the unit cooperation, can make the screening part appear vibrations effect to get rid of the seed of card on the screening part, avoid causing the influence to later screening, ensured the effect of screening, and screen in the cylinder, avoid the seed to scatter around in screening process, avoid the waste of seed.
3. The winnowing unit that adopts can get rid of light impurity in the seed, such as peel, seed coat etc. avoids causing the influence to later screening.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 shows a first view angle structure schematic diagram of a seed screening device for agricultural planting according to an embodiment of the present invention.
Fig. 2 is a schematic view showing a second view angle structure of a seed screening device for agricultural planting according to an embodiment of the present invention.
Fig. 3 shows a front view of a seed screening device for agricultural planting according to an embodiment of the present invention.
Fig. 4 shows a left side view of a seed screening device for agricultural planting according to an embodiment of the present invention.
Figure 5 shows a cross-sectional view of A-A of figure 4 according to the present invention.
Fig. 6 shows an enlarged view of the N-direction of fig. 5 in accordance with the present invention.
Fig. 7 shows an enlarged view of the invention in the X direction of fig. 5.
Fig. 8 is a schematic cross-sectional view showing the structure of a screening unit of a seed screening apparatus for agricultural planting according to an embodiment of the present invention.
Fig. 9 is a mating view of the right angle triangular projection of the present invention with a cylindrical rod.
Fig. 10 is an enlarged view of the M direction of fig. 9 according to the present invention.
Wherein the above figures include the following reference numerals: 1. a bottom plate; 2. a collection frame; 3. a driving unit; 31. a second support plate; 32. a driving motor; 33. a connecting shaft; 4. a wind separation unit; 41. a first support plate; 42. an arcuate catheter; 43. a winnowing frame; 44. a fan module; 45. a feed frame; 46. a distance adjusting component; 461. a rotating plate; 462. a connecting rod; 463. a rotating electric machine; 464. a rotating disc; 5. a screening unit; 51. a connecting circular plate; 52. a cylinder barrel; 53. screening holes; 54. a screening part; 541. a sliding frame; 542. a connecting plate; 543. a threaded rod; 544. an L-shaped plate; 545. right-angle triangular protrusions; 546. arc-shaped sieve plates; 547. a return spring; 548. a barrier film; 55. a baffle circular plate; 56. a spiral plate; 57. blanking and opening; 6. a toggle unit; 61. an L-shaped frame; 62. a U-shaped frame; 63. a cylindrical rod.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1-4, a seed screening device for agricultural planting comprises a bottom plate 1, wherein a collecting frame 2 is arranged at the upper end of the bottom plate 1, and a driving unit 3 fixedly connected with the upper end of the bottom plate 1 is arranged at the left side of the collecting frame 2.
Referring to fig. 2, a plurality of partition plates are installed in the collecting frame 2.
Referring to fig. 2, the seed screening device for agricultural planting further includes a wind separation unit 4, and the wind separation unit 4 is installed at the upper end of the bottom plate 1 and is used for removing light impurities in seeds.
Referring to fig. 2, 5 and 6, the air separation unit 4 includes a first support plate 41 installed at the upper end of the bottom plate 1, an arc-shaped duct 42 is installed at the upper end of the first support plate 41, an air separation frame 43 is installed at the upper end of the arc-shaped duct 42, a fan module 44 is installed on the left side wall of the air separation frame 43, a rectangular through hole is formed in the right side wall of the air separation frame 43, a feeding frame 45 is installed at the upper end of the air separation frame 43, and a distance adjusting component 46 is installed on the feeding frame 45.
Referring to fig. 2, 5 and 6, during specific operation, the fan module 44 is started, the fan module 44 is an existing fan, the fan module 44 blows air into the air separation frame 43, seeds to be screened are sent into the feeding frame 45 through the existing feeding machine, the seeds in the feeding frame 45 fall into the air separation frame 43 through the distance adjusting component 46, the air in the air separation frame 43 removes light impurities in the seeds, and the seeds with the impurities removed fall into the arc-shaped guide pipe 42.
Referring to fig. 5 and 6, the distance adjusting member 46 includes a rotating plate 461 hinged between the front and rear side walls of the feeding frame 45, a connecting rod 462 is hinged to the right end of the rotating plate 461, the connecting rod 462 penetrates through the right side wall of the feeding frame 45, a rotating motor 463 is mounted on the right end of the feeding frame 45 through a motor base, a rotating disc 464 is mounted on an output shaft of the rotating motor 463, and the front end of the rotating disc 464 is hinged to the connecting rod 462 away from the center of the circle.
Referring to fig. 5 and 6, in specific operation, before screening seeds, the rotating motor 463 is started, the rotating motor 463 drives the connecting rod 462 to reciprocate through the rotating disc 464, and the connecting rod 462 drives the rotating plate 461 to reciprocate, so that the space at the lower end of the feeding frame 45 is changed, the speed of seed blanking is controlled, and the phenomenon of shell blocking during seed blanking is avoided.
Referring to fig. 5 and 8, the seed sieving device for agricultural planting further comprises a sieving unit 5, the sieving unit 5 is installed from right to left in a downward sloping manner at the left end of the air separation unit 4, the sieving unit 5 comprises a connecting circular plate 51 installed at the left end of the sieving unit 5, a feeding hole is formed in the middle of the connecting circular plate 51, the left end of the arc-shaped guide pipe 42 is fixedly connected with the connecting circular plate 51, a cylindrical drum 52 is rotationally connected to the annular surface of the connecting circular plate 51, a plurality of sieving hole groups which are uniformly distributed in the circumferential direction are formed in the annular drum wall of the cylindrical drum 52, the sieving hole groups are formed by a plurality of sieving holes 53 which are uniformly distributed from left to right, and sieving components 54 are arranged in the sieving holes 53.
Referring to fig. 5 and 8, the screening unit 5 further includes a plurality of baffle plates 55 uniformly distributed and mounted on the inner wall of the cylinder 52, the left and right ends of the baffle plates 55 are respectively provided with a spiral plate 56, and the left side walls of the baffle plates 55 and the cylinder 52 are respectively provided with a blanking opening 57, and the blanking openings 57 are spirally distributed.
Referring to fig. 5, the driving unit 3 includes a second supporting plate 31 mounted on the upper end of the base plate 1, a driving motor 32 mounted on the right end of the second supporting plate 31, a connecting shaft 33 mounted on an output shaft of the driving motor 32, and the connecting shaft 33 fixedly connected with the left end of the cylinder 52.
Referring to fig. 5 and 8, in specific operation, before screening seeds, the driving motor 32 is started, the driving motor 32 drives the cylindrical drum 52 to rotate through the connecting shaft 33, the seeds falling into the arc-shaped guide tube 42 enter the cylindrical drum 52 through the feeding holes in the middle of the connecting circular plate 51, the cylindrical drum 52 in a rotating state drives the screening parts 54 to rotate, the screening parts 54 move below the seeds and screen the seeds, the seeds move downwards in the inclined cylindrical drum 52, the spiral plate 56 in the cylindrical drum 52 plays a role of blocking the movement of the seeds, the screening time of the screening parts 54 is increased, the screening quality is improved, the screening circular plates 55 play a role of blocking the movement of the seeds, the phenomenon that the seeds fall too fast is avoided, the screening sizes of the screening circular plates 54 are separated, the blanking openings 57 on the screening circular plates 55 are used for the passage of the seeds, when the blanking openings 57 on the screening circular plates 55 move to the positions of the seeds, the seeds pass through the blanking openings 57 to the screening parts 54 of the next stage, the steps are repeated until the screening of the seeds are completed, the screening of the seeds cannot pass through the separating plate 2 of the separating plate 2 in the collecting frame 2, and the screening frames of the seeds cannot pass through the separating plate 2.
Referring to fig. 5, 7 and 8, the screening component 54 includes a sliding frame 541 slidably connected in the screening hole 53, two connection plates 542 are symmetrically installed at one end of the sliding frame 541 far away from the central axis of the cylinder 52, a threaded rod 543 is threaded on the connection plate 542, the threaded rod 543 is in threaded connection with the wall of the cylinder 52, an L-shaped plate 544 is threaded on the connection plate 542 near the sliding frame 541, a right-angle triangular protrusion 545 is installed at one end of the horizontal section of the L-shaped plate 544 near the cylinder 52, two vertical sections of the L-shaped plate 544 penetrate through the frame wall of the sliding frame 541 and are jointly provided with an arc-shaped screen plate 546, a plurality of evenly distributed return springs 547 are installed between the arc-shaped screen plate 546 and the sliding frame 541, and a blocking film 548 is installed between the arc-shaped screen plate 546 and the sliding frame 541.
Referring to fig. 8, the screen mesh diameters of the plurality of arcuate screen panels 546 increase in sequence from right to left.
Referring to fig. 5, the seed screening device for agricultural planting further includes a stirring unit 6, where the stirring unit 6 is installed on the air separation unit 4 and is used to stir the screening component 54.
Referring to fig. 5, the toggle unit 6 includes an L-shaped frame 61 mounted on the upper wall of the arc-shaped conduit 42, a plurality of U-shaped frames 62 uniformly distributed and having downward openings are mounted on the end of the transverse section of the L-shaped frame 61 near the cylinder 52, and cylindrical rods 63 matched with the inclined surfaces of the right-angled triangular protrusions 545 are mounted on the opposite ends of the left and right side walls of the U-shaped frames 62.
Referring to fig. 5, fig. 8, fig. 9 and fig. 10, in specific operation, the rotating cylinder 52 drives the arc-shaped sieve plates 546 to move below the seeds, that is, at the lower end of the cylinder 52, the arc-shaped sieve plates 546 screen the seeds, the sieve pore diameters of a plurality of the arc-shaped sieve plates 546 sequentially increase from right to left, so as to screen the seeds from small to large, when the arc-shaped sieve plates 546 move to the upper end of the cylinder 52, the cylinder 52 rotates to drive the L-shaped plates 544 to move to the cylindrical rods 63 through the sliding frame 541, the cylindrical rods 63 push the inclined surfaces of the right-angle triangular protrusions 545 on the transverse sections of the L-shaped plates 544, the right-angle triangular protrusions 545 are stressed to drive the two L-shaped sieve plates 544 to rise in the stage of contact with the cylindrical rods 63, and the two L-shaped plate 544 drive the arc-shaped sieve plates 546 to rise along with the continuous rotation of the cylinder 52, and when the right-angle triangular protrusions 545 are separated from the cylindrical rods 63, the plurality of reset springs 547 drive the arc-shaped sieve plates 546 to reset, during the reset, the arc-shaped sieve plates 546 are blocked on the arc-shaped seeds 546 through the inertia, and the inertia of the arc-shaped sieve plates 546 are further enabled to be separated from the arc-shaped sieve plates 546 to continuously shake due to the inertia of the arc-shaped sieve plates 546; avoiding influencing the subsequent screening and ensuring the screening effect.
In addition, the invention also provides a use method of the seed screening device for agricultural planting for screening seeds, which specifically comprises the following steps:
s1: the driving unit 3 is started, the driving unit 3 drives the cylinder 52 to rotate, and then the winnowing unit 4 is started.
S2: seeds to be screened are fed into the air separation unit 4 through the existing feeding machine, and light impurities in the seeds are removed by the air separation unit 4.
S3: the seeds after winnowing in step S2 fall into the cylinder 52, and the inclined and rotating cylinder 52 drives the seeds to move, and the screening component 54 screens the seeds according to the size of the seed size.
S4: and the screened seeds fall into the collecting frame 2, the seeds in the collecting frame 2 are manually bagged, and after the complete screening of the seeds, the driving unit 3 and the air-selecting unit 4 are sequentially closed, and the screening is finished.
In the description of the embodiments of the present invention, it should be noted that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality", "a plurality of groups" is two or more.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.
Claims (6)
1. The utility model provides a seed sieving mechanism for farming, includes bottom plate (1), collection frame (2) are installed to bottom plate (1) upper end, collect frame (2) left side be provided with bottom plate (1) upper end fixed connection's drive unit (3), its characterized in that:
the air separation unit (4) is arranged at the upper end of the bottom plate (1) and is used for removing light impurities in seeds;
the screening unit (5) is obliquely arranged at the left end of the winnowing unit (4) from right to left, the screening unit (5) comprises a connecting circular plate (51) arranged at the left end of the screening unit (5), a feeding hole is formed in the middle of the connecting circular plate (51), a cylindrical drum (52) is rotationally connected to the annular surface of the connecting circular plate (51), a plurality of circumferentially uniformly distributed screening hole groups are formed in the annular drum wall of the cylindrical drum (52), each screening hole group consists of a plurality of screening holes (53) uniformly distributed from left to right, and screening components (54) are arranged in the screening holes (53);
a stirring unit (6) which is arranged on the winnowing unit (4) and is used for stirring the screening component (54);
the air separation unit (4) comprises a first supporting plate (41) arranged at the upper end of the bottom plate (1), an arc-shaped guide pipe (42) is arranged at the upper end of the first supporting plate (41), the left end of the arc-shaped guide pipe (42) is fixedly connected with a connecting circular plate (51), an air separation frame (43) is arranged at the upper end of the arc-shaped guide pipe (42), a fan module (44) is arranged on the left side wall of the air separation frame (43), a rectangular through hole is formed in the right side wall of the air separation frame (43), a feeding frame (45) is arranged at the upper end of the air separation frame (43), and a distance adjusting component (46) is arranged on the feeding frame (45);
the screening component (54) comprises a sliding frame (541) which is in sliding connection with the screening hole (53), two connecting plates (542) are symmetrically arranged at one end, far away from the central axis of the cylinder (52), of the sliding frame (541), threaded rods (543) are arranged on the connecting plates (542) in a penetrating mode, the threaded rods (543) are in threaded connection with the cylinder wall of the cylinder (52), L-shaped plates (544) are arranged at the positions, close to the sliding frame (541), of the connecting plates (542), right-angle triangular protrusions (545) are arranged at one ends, close to the cylinder (52), of the transverse sections of the L-shaped plates (544), the two vertical sections of the L-shaped plates (544) penetrate through the frame wall of the sliding frame (541) and are jointly provided with arc-shaped sieve plates (546), a plurality of evenly distributed reset springs (547) are arranged between the arc-shaped sieve plates (546) and the sliding frame (541), and a separation membrane (548) is arranged between the arc-shaped sieve plates (546);
the stirring unit (6) comprises an L-shaped frame (61) arranged on the upper pipe wall of the arc-shaped guide pipe (42), one end, close to the cylinder (52), of the transverse section of the L-shaped frame (61) is provided with a plurality of U-shaped frames (62) which are uniformly distributed and are downward in opening, and the opposite ends of the left side wall and the right side wall of the U-shaped frames (62) are respectively provided with a cylindrical rod (63) matched with the inclined surface of the right-angle triangular bulge (545);
the screening unit (5) further comprises a plurality of baffle circular plates (55) which are uniformly distributed and mounted on the inner wall of the cylinder barrel (52), the left end and the right end of each baffle circular plate (55) are respectively provided with a spiral plate (56), and blanking openings (57) are respectively formed in the left side walls of the baffle circular plates (55) and the cylinder barrel (52), and the blanking openings (57) are spirally distributed.
2. A seed screening apparatus for agricultural planting according to claim 1, wherein: the distance adjusting component (46) comprises a rotating plate (461) hinged between the front side wall and the rear side wall of the feeding frame (45), a connecting rod (462) is hinged to the right end of the rotating plate (461), the connecting rod (462) penetrates through the right side wall of the feeding frame (45), a rotating motor (463) is mounted at the right end of the feeding frame (45) through a motor base, a rotating disc (464) is mounted on an output shaft of the rotating motor (463), and the front end of the rotating disc (464) is hinged to the connecting rod (462) in a matched mode away from the circle center.
3. A seed screening apparatus for agricultural planting according to claim 1, wherein: the driving unit (3) comprises a second supporting plate (31) arranged at the upper end of the bottom plate (1), a driving motor (32) is arranged at the right end of the second supporting plate (31), a connecting shaft (33) is arranged on an output shaft of the driving motor (32), and the connecting shaft (33) is fixedly connected with the left end of the cylindrical barrel (52).
4. A seed screening apparatus for agricultural planting according to claim 1, wherein: a plurality of partition plates which are uniformly distributed are arranged in the collecting frame (2).
5. A seed screening apparatus for agricultural planting according to claim 1, wherein: the screen mesh diameters of the arc-shaped screen plates (546) are sequentially increased from right to left.
6. A method of using a seed screening device for agricultural planting according to claim 1, characterized in that: the method specifically comprises the following steps:
s1: starting a driving unit (3), driving the cylinder (52) to rotate by the driving unit (3), and then starting a winnowing unit (4);
s2: the seeds to be screened are sent into a winnowing unit (4) through the existing feeding machine, and the winnowing unit (4) removes light impurities in the seeds;
s3: the seeds subjected to the winnowing in the step S2 fall into a cylindrical barrel (52), the inclined and rotating cylindrical barrel (52) drives the seeds to move, and meanwhile, a screening component (54) screens the seeds according to the size of the seeds;
s4: and the screened seeds fall into the collecting frame (2), the seeds in the collecting frame (2) are manually bagged, and the driving unit (3) and the air selecting unit (4) are sequentially closed until the seeds are completely screened, and the screening is finished.
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| CN202310757987.0A CN116493262B (en) | 2023-06-26 | 2023-06-26 | Seed screening device for agricultural planting and application method thereof |
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| CN202310757987.0A CN116493262B (en) | 2023-06-26 | 2023-06-26 | Seed screening device for agricultural planting and application method thereof |
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| CN116493262B true CN116493262B (en) | 2023-08-18 |
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| CN116493262A (en) | 2023-07-28 |
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