CN112090752A - Seed screening device for agricultural planting and use method thereof - Google Patents
Seed screening device for agricultural planting and use method thereof Download PDFInfo
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- CN112090752A CN112090752A CN202010910237.9A CN202010910237A CN112090752A CN 112090752 A CN112090752 A CN 112090752A CN 202010910237 A CN202010910237 A CN 202010910237A CN 112090752 A CN112090752 A CN 112090752A
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- screening
- filter screen
- seed
- cavity
- box body
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- 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
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- 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
- B07B1/08—Screens rotating within their own plane
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- 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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The embodiment of the invention relates to the technical field of agricultural planting, and particularly discloses a seed screening device for agricultural planting, which comprises a box body; the inner cavity of the box body is divided into a first screening cavity and a second screening cavity by an inclined partition plate, and the first screening cavity and the second screening cavity are internally provided with a filtering mechanism; the top in first screening chamber with the second screening chamber all is provided with the gas distribution subassembly. The embodiment of the invention also discloses a using method of the seed screening device for agricultural planting. According to the embodiment of the invention, the first filter screen is used for primarily screening the seed materials, so that the residual seed materials on the upper surface of the first filter screen can be pushed into the communicating box, the seed materials enter the second screening cavity, and the second filter screen is used for further screening, thereby effectively ensuring the screening effect on the seed materials; through the refining subassembly, can improve the screening effect of first filter screen and second filter screen to the seed material.
Description
Technical Field
The embodiment of the invention relates to the technical field of agricultural planting, in particular to a seed screening device for agricultural planting and a using method thereof.
Background
Agriculture is an industry for artificially cultivating and obtaining products, people obtain melons, fruits and vegetables required by daily life through agricultural planting, seed particles need to be screened in the agricultural planting process, seeds generally need to be screened in order to improve the quality of the seeds, so that unsaturated seeds and small-particle seeds are removed, and large-particle seeds are reserved. At present, most of the methods adopt manual selection or screening by using a sieve, are time-consuming and labor-consuming, and are not suitable for large-scale industrial production; a few use screening machines, but such devices have the following problems: the structure is single, and screening efficiency is low, and the seed influences the normal screening of seed in the condition that the jam appears easily in the in-process of screening. In view of the above problems, it is highly desirable to design a seed screening device for agricultural planting.
Disclosure of Invention
The embodiment of the invention aims to provide a seed screening device for agricultural planting and a using method thereof, so as to solve the problems in the background technology. In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a seed screening device for agricultural planting comprises a box body;
the inner cavity of the box body is divided into a first screening cavity and a second screening cavity by an inclined partition plate, and the first screening cavity and the second screening cavity are internally provided with a filtering mechanism;
the top parts of the first screening cavity and the second screening cavity are provided with air distribution assemblies, an air pump for supplying air to the two air distribution assemblies is arranged on a top plate of the box body, a rotating shaft is coaxially and rotatably arranged in the box body, the two air distribution assemblies are communicated through a communicating pipeline arranged in the rotating shaft, and the air pump is communicated with the air distribution positioned at the top part of the first screening cavity; a communicating box is also arranged on one side of the middle part of the box body;
be located filtering mechanism in the first screening intracavity is first filter screen, is located filtering mechanism in the second screening intracavity is the second filter screen, first filter screen with the second filter screen all with the coaxial rotation of rotation axis is connected, be provided with on the rotation axis two sets respectively with the refining subassembly of first filter screen and second filter screen looks adaptation, the refining subassembly be used for carrying out the efficiency of screening to seed material to improving first filter screen and second filter screen.
As a further limitation of the technical scheme of the embodiment of the invention, the upper part of the communicating box is communicated with the first screening chamber through a communicating feed inlet arranged on the side plate of the box body, and the lower part of the communicating box is communicated with the second screening chamber through a communicating discharge outlet arranged on the side plate of the box body.
As a further limitation of the technical scheme of the embodiment of the invention, four corners of the lower surface of the bottom end of the box body are respectively provided with a buffer supporting leg, each buffer supporting leg comprises a support fixedly arranged at the four corners of the lower surface of the bottom end of the box body, a supporting slide block is supported and slidably arranged in each support through a damping spring, and each buffer supporting leg also comprises a supporting leg, and each supporting leg is fixedly connected with the corresponding supporting slide block in a supporting manner.
As a further limitation of the technical scheme of the embodiment of the invention, an electric telescopic rod is fixedly arranged on the communication box, and a blocking block matched with the communication feed inlet is arranged at the telescopic end of the electric telescopic rod; and a first seed discharge port and a second seed discharge port are respectively formed in one side of the box body, wherein the first seed discharge port is communicated with one side of the bottom of the first screening cavity, and the second seed discharge port is communicated with one side of the bottom of the second screening cavity.
As a further limitation of the technical solution of the embodiment of the present invention, a feeding port communicated with the first screening chamber is disposed at the top of the box body, a first visual window and a second visual window are respectively disposed on the front surface of the box body, the first visual window is over against the first screening chamber, and the second visual window is over against the second screening chamber.
As a further limitation of the technical scheme of the embodiment of the invention, the air distribution assembly comprises an air distribution cover, an open end of the air distribution cover is hermetically and rotatably provided with an air distribution disc, two air blowing ports are uniformly distributed on one side of the air distribution disc, and air entering the air distribution cover is blown out through the air blowing ports, so that seed materials in the box body are dried, and the screened seeds are favorably stored; and a communicating port communicated with the communicating pipeline is further formed in the rotating shaft in the air distribution cover so as to realize air circulation between the two air distribution assemblies.
As a further limitation of the technical solution of the embodiment of the present invention, the air distribution disc is coaxially and fixedly connected with the rotating shaft, a top plate of the box body is provided with a forward and reverse rotation servo motor for driving the rotating shaft to rotate, wherein an output shaft of the forward and reverse rotation servo motor is in driving connection with a top end of the rotating shaft through a coupling.
As a further limitation of the technical scheme of the embodiment of the invention, one side of the box body is also provided with a slag discharge port correspondingly matched with the second filter screen; the seed screening device comprises a box body, a first screening cavity is formed in the box body, a second screening cavity is formed in the box body, a first dust collector communicated with the first screening cavity is arranged on one side of the upper portion of the box body, and a second dust collector communicated with the second screening cavity is arranged on one side of the lower portion of the box body.
As a further limitation of the technical solution of the embodiment of the present invention, the first filter screen support is fixedly disposed in the first screening chamber, the second filter screen support is fixedly disposed in the second screening chamber, the material blending assembly is an arc-shaped material stirring rod fixedly disposed on an outer ring of the rotating shaft, the arc-shaped material stirring rod is of an arc-shaped rod structure, and an arc-shaped concave surface of the arc-shaped material stirring rod faces in a direction opposite to a rotating direction of the rotating shaft.
As a further limitation of the technical solution of the embodiment of the present invention, the first filter screen is supported and slidably disposed in the first filter chamber, the second filter screen is supported and slidably disposed in the second filter chamber, the refining assembly includes an inclined seat coaxially and fixedly disposed on a lower surface of the second filter screen, the rotating shaft coaxially penetrates and slidably disposed on the inclined seat, a supporting cross shaft is supported and disposed on one side of an outer ring of the rotating shaft below the second filter screen, an end of the supporting cross shaft is rotatably disposed with a guide pulley, and a top end of the guide pulley slidably abuts against a lower surface of one side of the inclined seat; when the rotating shaft rotates, the guide pulley can be driven to rotate around the rotating shaft, and the moving guide pulley can enable the second filter screen to reciprocate up and down in the second screening cavity due to the fact that the bottom surface of the inclined seat is of an inclined structure, so that the screening effect on seed materials is effectively improved;
still fixedly on the inner wall of box be provided with first bearing frame, the tip of second filter screen with support through first supporting spring between the first bearing frame and be connected to under first supporting spring's elastic connection effect, can make guide pulley's top surface keep in contact with the lower surface of sloping seat all the time.
As a further limitation of the technical solution of the embodiment of the present invention, the first filter screen support is slidably disposed in the first screening chamber, the second filter screen support is slidably disposed in the second screening chamber, the refining assembly includes a second supporting seat fixedly disposed on the inner wall of the casing, an end of the second filter screen is supported by a second supporting spring and disposed on the second supporting seat, the second supporting seat is rotatably connected to a rotating horizontal shaft, an eccentric wheel assembly is eccentrically disposed on the rotating horizontal shaft, the eccentric wheel assembly includes an eccentric wheel eccentrically and fixedly disposed on the rotating horizontal shaft, an outer ring of the eccentric wheel is supported by a plurality of connecting springs and sleeved with a supporting outer ring, and the rotating horizontal shaft is in transmission connection with the rotating shaft through a gear engagement manner;
the rotary transverse shaft is fixedly provided with a driven bevel gear, and the rotary shaft is fixedly provided with a driving bevel gear meshed with the driven bevel gear, so that when the rotary shaft rotates, the rotary transverse shaft can be driven to rotate under the meshing linkage action of the driven bevel gear and the driving bevel gear, the eccentric wheel assembly which does eccentric motion can continuously hit the second filter screen through the rotary transverse shaft, and the screening effect of the second filter screen on seed materials is improved.
The embodiment of the invention also discloses a using method of the seed screening device for agricultural planting, which comprises the following specific steps: seed materials to be screened are thrown into a first screening cavity through a feeding port; the plug block is pushed to move to a state that the communicating feed port is communicated by utilizing the telescopic function of the electric telescopic rod, the seed material entering the first screening cavity is filtered by the matching of the first filter screen and the refining assembly, the seed material which cannot pass through the first filter screen enters the second screening cavity through the communicating box, and the seed material entering the second screening cavity is filtered by the mutual matching of the second filter screen and the refining assembly; and air is blown into the air distribution assembly by an air pump, the seed materials in the screening cavities are air-dried by the air distribution assembly, and meanwhile, the first screening cavities and the second screening cavities are respectively subjected to dust collection by the first dust collector and the second dust collector.
Compared with the prior art, the invention has the beneficial effects that: in the embodiment of the invention, the seed material is thrown into the first screening cavity through the feed inlet, then the first filter screen is used for primarily screening the seed material, then the communicated feed inlet can be in a conducting state by utilizing the telescopic function of the electric telescopic rod, the residual seed material on the upper surface of the first filter screen can be pushed into the communicated box, and then the seed material enters the second screening cavity and is further screened through the second filter screen, so that the screening effect on the seed material is effectively ensured; the seed material screening device is further provided with the material homogenizing component, so that the screening effect of the first filter screen and the second filter screen on the seed materials can be further improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is an external view of a seed screening apparatus for agricultural planting according to embodiment 1 of the present invention.
Fig. 2 is an internal structural view of a seed screening apparatus for agricultural planting according to embodiment 1 of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a partial perspective view of an air distribution unit in the seed screening device for agricultural planting according to embodiment 1 of the present invention.
Fig. 5 is a partial perspective view of a refining assembly of the seed screening device for agricultural planting according to embodiment 1 of the present invention.
Fig. 6 is a schematic view of an internal structure of an agricultural planting seed screening apparatus according to embodiment 2 of the present invention.
Fig. 7 is an enlarged structural view of a portion B in fig. 6.
Fig. 8 is a schematic view of the internal structure of the seed screening device for agricultural planting according to embodiment 3 of the present invention.
Fig. 9 is an enlarged schematic view of a portion C in fig. 8.
FIG. 10 is a front view of an eccentric wheel assembly in an agricultural seed screening device provided in example 3 of the present invention.
In the figure: 1-a box body, 2-a feed port, 3-a positive and negative rotation servo motor, 4-an air pump, 5-a communication box, 6-a first dust collector, 7-a second dust collector, 8-an electric telescopic rod, 9-a first visual window, 10-a second visual window, 11-a support, 12-a support leg, 13-a first seed discharge port, 14-a slag discharge port, 15-a second seed discharge port, 16-an inclined partition plate, 17-a first screening cavity, 18-a second screening cavity, 19-a communication feed port, 20-a block, 21-a communication discharge port, 22-a first filter screen, 23-an arc-shaped stirring rod, 24-a second filter screen, 25-an air distribution cover, 26-an air distribution disc, 27-an air blowing port, 28-a rotating shaft and 29-a communication pipeline, 30-a communication port, 31-a supporting slide block, 32-a damping spring, 33-a first supporting seat, 34-a first supporting spring, 35-a tilting seat, 36-a guide pulley, 37-a supporting transverse shaft, 38-a second supporting seat, 39-a second supporting spring, 40-a rotating transverse shaft, 41-a supporting outer ring, 42-a driven bevel gear, 43-a driving bevel gear, 44-an eccentric wheel and 45-a connecting spring.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-5, in the embodiment provided by the invention, the seed screening device for agricultural planting comprises a box body 1, wherein four corners of the lower surface of the bottom end of the box body 1 are respectively provided with a buffer supporting leg, the buffer supporting leg comprises a support 11 fixedly installed at four corners of the lower surface of the bottom end of the box body 1, a supporting slide block 31 is arranged in the support 11 in a supporting and sliding manner through a damping spring 32, the buffer supporting leg further comprises a supporting leg 12, and the supporting leg 12 is fixedly connected with the supporting slide block 31 in a supporting manner; the inner cavity of the box body 1 is divided into a first screening cavity 17 and a second screening cavity 18 by an inclined partition plate 16, wherein the first screening cavity 17 and the second screening cavity 18 are internally provided with a filtering mechanism; the top parts of the first screening cavity 17 and the second screening cavity 18 are both provided with air distribution assemblies, the top plate of the box body 1 is provided with an air pump 4 for supplying air to the two air distribution assemblies, a rotating shaft 28 is coaxially and rotatably arranged in the box body 1, the two air distribution assemblies are communicated through a communication pipeline 29 arranged in the rotating shaft 28, the air pump 4 is communicated with the air distribution at the top part in the first screening cavity 17 and matched with the communication pipeline 29, and the air pump 4 can be used for supplying air to the two air distribution assemblies simultaneously; a communicating box 5 is further arranged on one side of the middle of the box body 1, the upper portion of the communicating box 5 is communicated with the first screening cavity 17 through a communicating feed port 19 formed in a side plate of the box body 1, the lower portion of the communicating box 5 is communicated with the second screening cavity 18 through a communicating discharge port 21 formed in a side plate of the box body 1, an electric telescopic rod 8 is further fixedly arranged on the communicating box 5, and a blocking block 20 matched with the communicating feed port 19 is arranged at the telescopic end of the electric telescopic rod 8, so that the communicating feed port 19 can be in a conducting or closed state by utilizing the telescopic function of the electric telescopic rod 8; a first seed outlet 13 and a second seed outlet 15 are respectively arranged on one side of the box body 1, wherein the first seed outlet 13 is communicated with one side of the bottom of the first screening cavity 17, and the second seed outlet 15 is communicated with one side of the bottom of the second screening cavity 18.
Further, in the embodiment provided by the present invention, the top of the box body 1 is provided with a feeding port 2 communicated with the first screening chamber 17, the front of the box body 1 is respectively provided with a first visual window 9 and a second visual window 10, the first visual window 9 faces the first screening chamber 17, and the second visual window 10 faces the second screening chamber 18.
Further, in the air distribution assembly provided by the embodiment of the invention, the air distribution assembly comprises an air distribution cover 25, an air distribution disc 26 is rotatably arranged at the open end of the air distribution cover 25 in a sealing manner, two air blowing openings 27 are uniformly distributed on one side of the air distribution disc 26, and air entering the air distribution cover 25 is blown out through the air blowing openings 27, so that the seed material in the box body 1 is dried, and the screened seeds are favorably stored; the rotating shaft 28 in the air distribution cover 25 is further provided with a communication port 30 communicated with the communication pipeline 29, so that air circulation between the two air distribution components is realized.
Furthermore, in the embodiment provided by the present invention, the air distribution disc 26 is coaxially and fixedly connected with the rotating shaft 28, and a top plate of the box body 1 is provided with a forward and reverse rotation servo motor 3 for driving the rotating shaft 28 to rotate, wherein an output shaft of the forward and reverse rotation servo motor 3 is in driving connection with a top end of the rotating shaft 28 through a coupling; be located filtering mechanism in first screening chamber 17 is first filter screen 22, is located filtering mechanism in second screening chamber 18 is second filter screen 24, first filter screen 22 with second filter screen 24 all with the coaxial rotation of rotation axis 28 is connected, be provided with on the rotation axis 28 two sets respectively with the refining subassembly of first filter screen 22 and the 24 looks adaptations of second filter screen, the refining subassembly is used for carrying out the efficiency of screening to the seed material to improving first filter screen 22 and second filter screen 24.
With reference to fig. 1-5, in the embodiment of the present invention, a slag discharge port 14 corresponding to the second filter screen 24 is further formed on one side of the box body 1; the first dust collector 6 communicated with the first screening cavity 17 is arranged on one side of the upper portion of the box body 1, the second dust collector 7 communicated with the second screening cavity 18 is arranged on one side of the lower portion of the box body 1, and therefore when seed materials are screened in the box body 1, dust generated in the screening process can be effectively absorbed through the arranged first dust collector 6 and the second dust collector 7.
As shown in fig. 1, 2 and 5, in the embodiment of the present invention, the first filter screen 22 is supported and fixedly disposed in the first screening chamber 17, the second filter screen 24 is supported and fixedly disposed in the second screening chamber 18, the material blending assembly is an arc-shaped material stirring rod 23 fixedly disposed on the outer ring of the rotating shaft 28, the arc-shaped material stirring rod 23 is of an arc-shaped rod structure, and the arc-shaped concave surface of the arc-shaped material stirring rod 23 faces the direction opposite to the rotating direction of the rotating shaft 28, so that when the rotating shaft 28 is driven to rotate by the servo motor 3, the seed material on the upper surface of the first filter screen 22 or the second filter screen 24 can be continuously pushed outwards or inwards by the arc-shaped material stirring rod 23 according to the rotating direction of the arc-shaped material stirring rod 23, thereby improving the screening effect of the first filter screen 22 and the second filter screen 24 on the seed material, and when the blocking block 20 is pushed by the telescopic function of the electric telescopic rod 8 to make the communicating feed port 19 communicate, can utilize rotatory arc to dial material pole 23 with the surplus seed material propelling movement of first filter screen 22 upper surface to communicate the case 5 in, and then make the seed material get into second screening chamber 18 in, carry out further screening through second filter screen 24 to the screening effect to the seed material has effectively been guaranteed.
The embodiment of the invention also discloses a using method of the seed screening device for agricultural planting, which comprises the following specific steps: seed materials to be screened are put into the first screening cavity 17 through the feed inlet 2; the blocking block 20 is pushed to move to a state that the communicating feed port 19 is communicated by utilizing the telescopic function of the electric telescopic rod 8, the seed material entering the first screening cavity 17 is filtered by the matching of the first filter screen 22 and the refining assembly, the seed material which cannot pass through the first filter screen 22 enters the second filtering cavity 18 through the communicating box 5, and the seed material entering the second screening cavity 18 is filtered by the mutual matching of the second filter screen 24 and the refining assembly; and air is blown into the air distribution assembly by the air pump 4, the seed materials in the screening cavities are air-dried by the air distribution assembly, and meanwhile, the first dust collector 6 and the second dust collector 7 are used for respectively carrying out dust collection treatment on the interior of the first screening cavity 17 and the interior of the second screening cavity 18.
Example 2
As shown in fig. 6-7, different from embodiment 1, in another embodiment of the present invention, the first filter screen 22 is slidably supported in the first screening chamber 17, the second filter screen 24 is slidably supported in the second screening chamber 18, the refining assembly includes an inclined seat 35 coaxially and fixedly disposed on a lower surface of the second filter screen 24, the rotating shaft 28 is coaxially disposed to penetrate through and slidably disposed on the inclined seat 35, a supporting horizontal shaft 37 is supported on one side of an outer ring of the rotating shaft 28 located below the second filter screen 24, an end of the supporting horizontal shaft 37 is rotatably disposed with a guide pulley 36, and a top end of the guide pulley 36 is slidably abutted to a lower surface of one side of the inclined seat 35; when the rotation axis 28 is rotatory, can drive guide pulley 36 and rotate around rotation axis 28, because the bottom surface of sloping seat 35 is the slope structure, the guide pulley 36 of motion can make second filter screen 24 reciprocating motion about the second sieves the intracavity 18, has effectively improved the screening effect to the seed material.
Further, as shown in fig. 6, in the embodiment of the present invention, a first supporting seat 33 is further fixedly disposed on an inner wall of the box body 1, and an end portion of the second filter screen 24 is in supporting connection with the first supporting seat 33 through a first supporting spring 34, so that under an elastic connection effect of the first supporting spring 34, a top surface of the guide pulley 36 can be always kept in contact with a lower surface of the tilting seat 35.
Example 3
As shown in fig. 8-the second viewing window 10, unlike embodiment 1, in a further embodiment provided by the present invention, the first filter screen 22 is supported and slidingly arranged in the first screening chamber 17, the second filter screen 24 is supported and slidingly arranged in the second screening chamber 18, the material homogenizing assembly comprises a second supporting seat 38 fixedly arranged on the inner wall of the box body 1, the end part of the second filter screen 24 is supported and arranged on the second supporting seat 38 through a second supporting spring 39, the second supporting seat 38 is rotatably connected with a rotating transverse shaft 40, an eccentric wheel assembly is eccentrically arranged on the rotating transverse shaft 40, the eccentric assembly comprises an eccentric 44 eccentrically fixedly arranged on the rotating cross shaft 40, the outer ring of the eccentric wheel 44 is supported and sleeved with a support outer ring 41 through a plurality of connecting springs 45, the rotating transverse shaft 40 is in transmission connection with the rotating shaft 28 through a gear meshing manner.
Further, in the embodiment of the present invention, the rotating horizontal shaft 40 is fixedly provided with a driven bevel gear 42, and the rotating shaft 28 is fixedly provided with a driving bevel gear 43 engaged with the driven bevel gear 42, so that when the rotating shaft 28 rotates, the rotating horizontal shaft 40 can be driven to rotate under the engagement and linkage action of the driven bevel gear 42 and the driving bevel gear 43, and the rotating horizontal shaft 40 can enable the eccentric wheel assembly performing eccentric motion to continuously hit the second filter screen 24, thereby improving the screening effect of the second filter screen 24 on the seed materials.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A seed screening device for agricultural planting is characterized by comprising a box body (1);
an inner cavity of the box body (1) is divided into a first screening cavity (17) and a second screening cavity (18) through an inclined partition plate (16), wherein the upper cavity and the lower cavity are respectively provided with a filtering mechanism, and the first screening cavity (17) and the second screening cavity (18) are respectively internally provided with a filtering mechanism;
the top parts of the first screening cavity (17) and the second screening cavity (18) are respectively provided with an air distribution assembly, the top plate of the box body (1) is provided with an air pump (4) for supplying air to the two air distribution assemblies, a rotating shaft (28) is coaxially and rotatably arranged in the box body (1), the two air distribution assemblies are communicated through a communicating pipeline (29) arranged in the rotating shaft (28), and the air pump (4) is communicated with the air distribution positioned at the top part in the first screening cavity (17); a communicating box (5) is also arranged on one side of the middle part of the box body (1); be located filtering mechanism in first screening chamber (17) is first filter screen (22), is located filtering mechanism in second screening chamber (18) is second filter screen (24), first filter screen (22) with second filter screen (24) all with rotation axis (28) coaxial rotation is connected, be provided with on rotation axis (28) two sets respectively with the refining subassembly of first filter screen (22) and second filter screen (24) looks adaptation.
2. The seed screening device for agricultural planting according to claim 1, wherein the upper portion of the communication box (5) is communicated with the first screening chamber (17) through a communication feed port (19) arranged on a side plate of the box body (1), and the lower portion of the communication box (5) is communicated with the second screening chamber (18) through a communication discharge port (21) arranged on the side plate of the box body (1).
3. The seed screening device for agricultural planting according to claim 2, wherein an electric telescopic rod (8) is further fixedly arranged on the communication box (5), and a blocking block (20) matched with the communication feeding hole (19) is arranged at the telescopic end of the electric telescopic rod (8); a first seed discharge port (13) and a second seed discharge port (15) are respectively formed in one side of the box body (1), the first seed discharge port (13) is communicated with one side of the bottom of the first screening cavity (17), and the second seed discharge port (15) is communicated with one side of the bottom of the second screening cavity (18); the top of box (1) is provided with dog-house (2) that first screening chamber (17) are linked together, the front of box (1) is provided with first visual window (9) and second visual window (10) respectively, first visual window (9) are just right first screening chamber (17), second visual window (10) are just right second screening chamber (18).
4. The seed screening device for agricultural planting according to claim 3, wherein the air distribution assembly comprises an air distribution cover (25), an air distribution disc (26) is arranged at an open end of the air distribution cover (25) in a sealed and rotating mode, and two air blowing openings (27) are uniformly distributed on one side of the air distribution disc (26); a communicating opening (30) communicated with the communicating pipeline (29) is also arranged on the rotating shaft (28) positioned in the air distribution cover (25).
5. The seed screening device for agricultural planting according to claim 4, wherein the air distribution disc (26) is coaxially and fixedly connected with the rotating shaft (28), a top plate of the box body (1) is provided with a forward and reverse rotation servo motor (3) for driving the rotating shaft (28) to rotate, and an output shaft of the forward and reverse rotation servo motor (3) is in driving connection with the top end of the rotating shaft (28) through a coupler.
6. The seed screening device for agricultural planting according to any one of claim 4, wherein one side of the box body (1) is further provided with a slag discharge port (14) correspondingly matched with the second filter screen (24); a first dust collector (6) communicated with the first screening cavity (17) is arranged on one side of the upper portion of the box body (1), and a second dust collector (7) communicated with the second screening cavity (18) is arranged on one side of the lower portion of the box body (1).
7. The seed screening device for agricultural planting according to claim 6, wherein the first filter screen (22) is supported and fixedly arranged in the first screening chamber (17), the second filter screen (24) is supported and fixedly arranged in the second screening chamber (18), the refining assembly is an arc-shaped material stirring rod (23) fixedly arranged on the outer ring of the rotating shaft (28), the arc-shaped material stirring rod (23) is of an arc-shaped rod structure, and the orientation of the arc-shaped concave surface of the arc-shaped material stirring rod (23) is opposite to the rotating direction of the rotating shaft (28).
8. The seed screening device for agricultural planting according to claim 6, wherein the first filter screen (22) is slidably supported in the first screening chamber (17), the second filter screen (24) is slidably supported in the second screening chamber (18), the refining assembly comprises an inclined seat (35) coaxially and fixedly arranged on the lower surface of the second filter screen (24), the rotating shaft (28) is coaxially arranged in a penetrating manner in the inclined seat (35), a supporting transverse shaft (37) is supported on one side of the outer ring of the rotating shaft (28) below the second filter screen (24), a guide pulley (36) is rotatably arranged at the end of the supporting transverse shaft (37), and the top end of the guide pulley (36) is slidably abutted against the lower surface of one side of the inclined seat (35); still fixedly on the inner wall of box (1) be provided with first bearing frame (33), the tip of second filter screen (24) with support connection through first supporting spring (34) between first bearing frame (33).
9. The seed screening device for agricultural planting according to claim 6, wherein the first filter screen (22) is slidably supported in the first screening chamber (17), the second filter screen (24) is slidably supported in the second screening chamber (18), the refining assembly comprises a second supporting seat (38) fixedly arranged on the inner wall of the box body (1), the end portion of the second filter screen (24) is slidably supported on the second supporting seat (38) through a second supporting spring (39), a rotating horizontal shaft (40) is rotatably connected to the second supporting seat (38), an eccentric wheel assembly is eccentrically arranged on the rotating horizontal shaft (40), the eccentric wheel assembly comprises an eccentric wheel (44) eccentrically and fixedly arranged on the rotating horizontal shaft (40), the outer ring of the eccentric wheel (44) is sleeved with a supporting outer ring (41) through a plurality of connecting springs (45), the rotating transverse shaft (40) is in transmission connection with the rotating shaft (28) in a gear meshing manner; a driven bevel gear (42) is fixedly arranged on the rotating transverse shaft (40), and a driving bevel gear (43) meshed with the driven bevel gear (42) is fixedly arranged on the rotating shaft (28).
10. A method of using an agricultural seed screening device as defined in any one of claims 1 to 9, the method comprising the specific steps of: seed materials to be screened are thrown into a first screening cavity (17) through a feeding port (2); the plug block (20) is pushed to move to a state that the communicating feed port (19) is communicated by utilizing the telescopic function of the electric telescopic rod (8), seed materials entering the first screening cavity (17) are filtered by the matching of the first filter screen (22) and the refining assembly, the seed materials which cannot pass through the first filter screen (22) enter the second filtering cavity (18) through the communicating box (5), and the seed materials entering the second screening cavity (18) are filtered by the mutual matching of the second filter screen (24) and the refining assembly; air is blown into the air distribution assembly by an air pump (4), the seed materials in the screening cavity are air-dried by the air distribution assembly, and meanwhile, the first screening cavity (17) and the second screening cavity (18) are respectively subjected to dust collection by a first dust collector (6) and a second dust collector (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910237.9A CN112090752A (en) | 2020-09-02 | 2020-09-02 | Seed screening device for agricultural planting and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910237.9A CN112090752A (en) | 2020-09-02 | 2020-09-02 | Seed screening device for agricultural planting and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112090752A true CN112090752A (en) | 2020-12-18 |
Family
ID=73757639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010910237.9A Withdrawn CN112090752A (en) | 2020-09-02 | 2020-09-02 | Seed screening device for agricultural planting and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112090752A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112840790A (en) * | 2020-12-31 | 2021-05-28 | 界首市佳祺农业开发有限公司 | Seed disinfection system for preventing and treating seedling planting diseases |
| CN113083783A (en) * | 2021-03-24 | 2021-07-09 | 南京蒙腾新能源技术开发有限公司 | Seed drying and screening device for agricultural planting |
-
2020
- 2020-09-02 CN CN202010910237.9A patent/CN112090752A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112840790A (en) * | 2020-12-31 | 2021-05-28 | 界首市佳祺农业开发有限公司 | Seed disinfection system for preventing and treating seedling planting diseases |
| CN113083783A (en) * | 2021-03-24 | 2021-07-09 | 南京蒙腾新能源技术开发有限公司 | Seed drying and screening device for agricultural planting |
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Application publication date: 20201218 |
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| WW01 | Invention patent application withdrawn after publication |