CN111299156A - Seed sieving mechanism - Google Patents
Seed sieving mechanism Download PDFInfo
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- CN111299156A CN111299156A CN202010258686.XA CN202010258686A CN111299156A CN 111299156 A CN111299156 A CN 111299156A CN 202010258686 A CN202010258686 A CN 202010258686A CN 111299156 A CN111299156 A CN 111299156A
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- Prior art keywords
- device shell
- wall
- baffle
- rotating shaft
- driving
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- 238000007873 sieving Methods 0.000 title description 2
- 238000012216 screening Methods 0.000 claims abstract description 27
- 238000000926 separation method Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000007664 blowing Methods 0.000 claims abstract description 14
- 239000004744 fabric Substances 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 239000000428 dust Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 6
- 241000883990 Flabellum Species 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
Images
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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- 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
- B07B1/005—Transportable screening plants
-
- 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
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
-
- 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
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention discloses a seed screening device, which comprises a device shell, a feed inlet, a liquid outlet and a switch valve, wherein the feed inlet is arranged on the device shell; the upper end and the lower end of the device shell are respectively provided with a feed inlet for feeding and a liquid outlet for draining, and the liquid outlet is provided with a switch valve for controlling the opening and closing of the liquid outlet; the device also comprises an air separation mechanism, a movable baffle, a water separation mechanism and a driving mechanism; the winnowing mechanism comprises a winnowing mechanism, a limiting baffle and a blowing mechanism. The seed screening device can separate shrivelled seeds and the like in the seeds by arranging the air separation mechanism and the water separation mechanism; the separation effect can be further improved by arranging the driving mechanism; through setting up even unloading mechanism, can make the even unloading of seed to can further promote the separation effect again.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a seed screening device.
Background
Before agricultural sowing, seeds need to be screened, and shriveled seeds, dust and small stones inside the seeds are screened out, most of the existing screening methods are wind screening and water screening, the wind screening is to blow out the shriveled seeds and the dust inside full seeds by blowing air, but in this way, part of the shriveled seeds are still mixed in the full seeds, so that incomplete screening is caused; the water screening refers to that seeds are placed in water, dust inside full seeds and shriveled seeds are separated through the buoyancy of the water, but the seeds are still in the water, so that the partially shriveled seeds cannot be separated, and the separation effect is poor.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a seed screening apparatus.
In order to achieve the purpose, the invention provides the following technical scheme:
a seed screening device comprises a device shell, a feeding hole, a liquid discharging hole and a switch valve; the upper end and the lower end of the device shell are respectively provided with a feed inlet for feeding and a liquid outlet for draining, and the liquid outlet is provided with a switch valve for controlling the opening and closing of the liquid outlet; the device also comprises a wind selection mechanism, a water selection mechanism and a driving mechanism; the air separation mechanism comprises an air separation mechanism, a movable baffle, a limiting baffle and a blower mechanism; the left end of the movable baffle is rotatably arranged on the left side of the inner wall of the device shell, and the front side and the rear side of the movable baffle are in sliding fit with the inner wall of the device shell; an opening is formed in the device shell on the right side of the movable baffle, and a limiting baffle for limiting seeds is fixed on the opening; an air blowing mechanism for blowing air to the seeds is fixed on the inner wall of the device shell positioned on the left side of the limiting baffle; a water separation mechanism is arranged in the device shell below the air blowing mechanism; the water separation mechanism comprises a lower connecting rod, a limiting sleeve and a sieve plate; the front end, the rear end, the left end and the right end of the sieve plate are arranged in a lower sliding groove arranged on the inner wall of the device shell in a sliding mode, and the sieve plate is provided with filtering holes with inner diameters smaller than the outer diameter of the full seeds; one end of a lower connecting rod is fixed above the sieve plate; the other end of the lower connecting rod slides, penetrates through a plurality of limiting sleeves fixed in the device shell and is connected with the driving mechanism; the driving mechanism for driving the movable baffle to rotate and the lower connecting rod to reciprocate up and down is arranged in the device shell.
As a further scheme of the invention: the driving mechanism comprises a driving motor, a driving rotating shaft, a sector gear, a lifting plate, an upper connecting rod and a movable rod; the driving motor is fixed on the outer side of the device shell, and the rotating end of the driving motor penetrates through the side wall of the device shell in a rotating mode and is connected with one end of a driving rotating shaft which is arranged inside the device shell in a rotating mode; a sector gear is fixed on the driving rotating shaft and is rotationally arranged in the lifting plate; racks matched with the teeth of the lifting plate are arranged on the left side and the right side of the interior of the lifting plate, and when the teeth of one end of the sector gear are contacted with the racks on one side of the lifting plate, the teeth of the other end are just separated from the racks on the other side of the lifting plate; the lower end of the lifting plate is fixed with the top end of a lower connecting rod, and the upper end of the lifting plate is fixed with one end of an upper connecting rod; the other end of the upper connecting rod is hinged with one end of the movable rod; the other end of the movable rod is hinged with the bottom of the movable baffle; the bottom of the feed inlet is also provided with an even blanking mechanism.
As a still further scheme of the invention: the uniform blanking mechanism comprises a vibration rotating shaft, a cam and a screen; the vibration rotating shaft is rotatably arranged in the feed port, and one end of the vibration rotating shaft penetrates through the feed port and is connected with the rotating end of the driving motor through a belt; a cam is fixed on the vibration rotating shaft in the feeding port; the cam consists of a hemisphere and a semi-ellipsoid; with the cam matched with screen cloth all slide the setting all around in seting up the intraoral last sliding tray of feed inlet, and be equipped with a plurality of sieve meshes on the screen cloth, sieve mesh internal diameter is greater than full seed external diameter.
As a still further scheme of the invention: an upper baffle plate which is in sliding fit with the inner wall of the feeding hole is arranged on the screen mesh positioned on one side of the upper sliding groove; and a lower baffle which is in sliding fit with the inner wall of the device shell is arranged on the sieve plate on one side of the lower sliding groove.
As a still further scheme of the invention: the movable baffle is provided with a plurality of baffle strips for dispersing seeds.
As a still further scheme of the invention: the blower mechanism comprises a blower motor, a fan blade rotating shaft and fan blades; the fan blade rotating shafts are distributed on the inner wall of the device shell at equal intervals along the vertical direction, one end of each fan blade rotating shaft is rotatably arranged on the inner wall of the device shell, and the fan blades are fixed at the other end of each fan blade rotating shaft; a blower motor is further fixed inside the device shell, and the rotating end of the blower motor is connected with the rotating shafts of the fan blades through a belt; and a plurality of ventilation openings are formed in the side wall of the device shell close to the air blowing mechanism.
As a still further scheme of the invention: the bottom of the inner wall of the device shell is inclined, and the liquid discharge port is located at the lowest end of the device shell.
As a still further scheme of the invention: the bottom of the device shell is provided with a plurality of wheels which are convenient to move.
Compared with the prior art, the invention has the beneficial effects that: due to the arrangement of the air separation mechanism and the water separation mechanism, shriveled seeds and the like in the seeds can be separated; the separation effect can be further improved by arranging the driving mechanism; through setting up even unloading mechanism, can make the even unloading of seed to can further promote the separation effect again.
Drawings
Fig. 1 is a schematic structural diagram of a seed screening device.
Fig. 2 is a schematic structural diagram of a driving mechanism in the seed screening device.
Fig. 3 is a schematic structural diagram of a movable baffle plate in the seed screening device.
In the figure: 1-device shell, 2-feed inlet, 3-movable baffle, 4-barrier strip, 5-limit baffle, 6-blower motor, 7-fan blade rotating shaft, 8-belt, 9-fan blade, 10-driving rotating shaft, 11-sector gear, 12-lifting plate, 13-lower connecting rod, 14-limit sleeve, 15-sieve plate, 16-liquid discharge port, 17-switch valve, 18-upper connecting rod, 19-movable rod, 20-vibration rotating shaft, 21-cam, 22-screen, 23-upper baffle, 24-lower baffle and 25-wheel.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
Referring to fig. 1-3, the present embodiment provides a seed screening apparatus, which includes an apparatus housing 1, a feed inlet 2, a drain outlet 16, and a switch valve 17; the upper end and the lower end of the device shell 1 are respectively provided with a feeding hole 2 for feeding and a liquid discharging hole 16 for discharging water, and the liquid discharging hole 16 is provided with a switch valve 17 for controlling the opening and closing of the liquid discharging hole; the device also comprises a wind selection mechanism, a water selection mechanism and a driving mechanism; the air separation mechanism comprises an air separation mechanism, a movable baffle 3, a limit baffle 5 and a blast mechanism; the left end of the movable baffle 3 is rotatably arranged on the left side of the inner wall of the device shell 1, and the front side and the rear side of the movable baffle are in sliding fit with the inner wall of the device shell 1; an opening is formed in the device shell 1 on the right side of the movable baffle 3, and a limiting baffle 5 for limiting seeds is fixed on the opening; an air blowing mechanism for blowing air to seeds is fixed on the inner wall of the device shell 1 positioned on the left side of the limit baffle 5; a water separation mechanism is arranged in the device shell 1 below the air blowing mechanism; the water separation mechanism comprises a lower connecting rod 13, a limiting sleeve 14 and a sieve plate 15; the front end, the rear end, the left end and the right end of the sieve plate 15 are arranged in a lower sliding groove arranged on the inner wall of the device shell 1 in a sliding mode, and the sieve plate 15 is provided with filtering holes with the inner diameter smaller than the outer diameter of the full seeds; one end of a lower connecting rod 13 is fixed above the sieve plate 15; the other end of the lower connecting rod 13 slides, penetrates through a plurality of limiting sleeves 14 fixed in the device shell 1 and is connected with a driving mechanism; a driving mechanism for driving the movable baffle 3 to rotate and the lower connecting rod 13 to reciprocate up and down is arranged in the device shell 1; set up like this, when the seed enters into adjustable fender 3 from feed inlet 2 on, actuating mechanism begins to work this moment, thereby make adjustable fender 3 reciprocating rotation, thereby drive the seed and evenly drop on limit baffle 5, thereby the wind that the air-blast mechanism bloated blows to the seed of whereabouts, and blow off the partially shriveled seed and dust from the opening part of device shell 1, remaining seed falls on sieve 15 this moment, actuating mechanism drives reciprocating motion about the sieve 15, thereby make shriveled seed and the dust of seed kind float on the surface of water, at the bottom of the filtration pore of following on sieve 15 falls the inner wall of device shell 1 such as small stone, thereby screening effect has been realized.
The driving mechanism comprises a driving motor, a driving rotating shaft 10, a sector gear 11, a lifting plate 12, an upper connecting rod 18 and a movable rod 19; the driving motor is fixed on the outer side of the device shell 1, and the rotating end of the driving motor rotatably penetrates through the side wall of the device shell 1 and is connected with one end of a driving rotating shaft 10 rotatably arranged in the device shell 1; a sector gear 11 is fixed on the driving rotating shaft 10, and the sector gear 11 is rotatably arranged in the lifting plate 12; racks matched with the teeth of the lifting plate 12 are arranged on the left side and the right side of the interior of the lifting plate 12, and when the teeth of one end of the sector gear 11 are contacted with the racks on one side of the lifting plate 12, the teeth of the other end are just separated from the racks on the other side of the lifting plate 12; the lower end of the lifting plate 12 is fixed with the top end of a lower connecting rod 13, and the upper end of the lifting plate is fixed with one end of an upper connecting rod 18; the other end of the upper connecting rod 18 is hinged with one end of a movable rod 19; the other end of the movable rod 19 is hinged with the bottom of the movable baffle 3; set up like this, when driving motor during operation, drive sector gear 11 through drive axis of rotation 10 and rotate to drive lifter plate 12 up-and-down reciprocating motion, thereby drive connecting rod 13 and the up-and-down reciprocating motion of last connecting rod 18 down, thereby drive adjustable fender 3 reciprocating swing through movable rod 19, thereby be convenient for blower mechanism screens the seed, be convenient for simultaneously drive sieve 15 up-and-down reciprocating motion, shake the screening to the seed in aqueous. In order to evenly discharge, the bottom of the feed inlet 2 is also provided with an even discharging mechanism.
The uniform blanking mechanism comprises a vibration rotating shaft 20, a cam 21 and a screen 22; the vibration rotating shaft 20 is rotatably arranged in the feeding hole 2, and one end of the vibration rotating shaft 20 penetrates through the feeding hole 2 and is connected with the rotating end of the driving motor through a belt 8; a cam 21 is fixed on the vibration rotating shaft 20 positioned in the feed port 2; the cam 21 consists of a hemisphere and a semi-ellipsoid; the front, back, left and right ends of the screen 22 matched with the cam 21 are arranged in an upper sliding groove arranged in the feed inlet 2 in a sliding mode, a plurality of screen holes are formed in the screen 22, and the inner diameter of each screen hole is larger than the outer diameter of the full seeds; set up like this, when driving motor during operation, drive vibrations axis of rotation 20 through belt 8 and rotate to drive cam 21 and rotate, because cam 21 comprises hemisphere and semi-ellipsoid, thereby screen cloth 22 and cam 21 continuously laminate under the action of gravity, thereby make screen cloth 22 vibrations, thereby make the seed on the screen cloth 22 evenly fall in device shell 1, thereby realize even unloading effect.
In order to prevent the seed cards from being in the upper sliding groove and the lower sliding groove to cause the screen 22 and the sieve plate 15 to be incapable of moving, an upper baffle plate 23 which is in sliding fit with the inner wall of the feed port 2 is arranged on the screen 22 which is positioned on one side of the upper sliding groove; and a lower baffle plate 24 which is in sliding fit with the inner wall of the device shell 1 is arranged on the sieve plate 15 positioned on one side of the lower sliding groove.
In order to make the seeds move more dispersedly on the movable baffle 3, a plurality of barrier strips 4 for dispersing the seeds are arranged on the movable baffle 3.
The blower mechanism comprises a blower motor 6, a fan blade rotating shaft 7 and fan blades 9; the fan blade rotating shafts 7 are distributed on the inner wall of the device shell 1 at equal intervals along the vertical direction, one end of each fan blade rotating shaft 7 is rotatably arranged on the inner wall of the device shell 1, and the other end of each fan blade rotating shaft 7 is fixedly provided with a fan blade 9; a blower motor 6 is further fixed inside the device shell 1, and the rotating end of the blower motor 6 is connected with a plurality of fan blade rotating shafts 7 through a belt 8; a plurality of ventilation openings are formed in the side wall of the device shell 1 close to the air blowing mechanism; set up like this, through blower motor 6's work, drive a plurality of flabellum axis of rotation 7 syntropys and rotate to drive a plurality of flabellums 9 and blast air to the seed of whereabouts, thereby realized the selection by winnowing effect.
The working principle of the embodiment is as follows: when the seed enters into adjustable fender 3 from feed inlet 2 on, actuating mechanism begins to work this moment, thereby make adjustable fender 3 reciprocating rotation, thereby it evenly drops on limit baffle 5 to drive the seed, thereby the wind that the air-blast mechanism bloated blows to the seed of whereabouts, and blow off the partly shrivelled seed and dust from the opening part of device shell 1, remaining seed falls on sieve 15 this moment, actuating mechanism drives reciprocating motion about sieve 15, thereby make shrivelled seed and the dust of seed kind float on the surface of water, at the bottom of the filtration pore of device shell 1 that falls from sieve 15 is followed to small stone, thereby screening effect has been realized.
The working principle of the driving mechanism is as follows: when driving motor during operation, drive sector gear 11 through drive axis of rotation 10 and rotate to drive lifter plate 12 reciprocating up and down, thereby drive connecting rod 13 and upper junction pole 18 reciprocating up and down, thereby drive adjustable fender 3 reciprocating swing through movable rod 19, thereby be convenient for the blower mechanism screens the seed, be convenient for drive sieve 15 reciprocating up and down simultaneously, shake the screening to the seed in aqueous.
Simultaneously, when driving motor during operation, drive vibrations axis of rotation 20 through belt 8 and rotate to drive cam 21 and rotate, because cam 21 comprises hemisphere and semiellipsoid, thereby screen cloth 22 and cam 21 continuously laminate under the action of gravity, thereby make screen cloth 22 vibrations, thereby make the seed on the screen cloth 22 evenly fall in device shell 1, thereby realize even unloading effect. Through the work of blower motor 6, drive a plurality of flabellum axis of rotation 7 syntropy and rotate to drive a plurality of flabellums 9 and blast air the seed of whereabouts, thereby realized the selection by winnowing effect.
Example 2
The embodiment is further improved on the basis of the embodiment 1, and the improvement is as follows: in order to facilitate the discharge of the screened sewage, the bottom of the inner wall of the device housing 1 is inclined, and the liquid discharge port 16 is located at the lowest end thereof.
In order to be able to facilitate the movement of the device, the bottom of the device housing 1 is provided with a plurality of wheels 25 for facilitating the movement.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A seed screening device comprises a device shell (1), a feed inlet (2), a liquid discharge port (16) and a switch valve (17); the upper end and the lower end of the device shell (1) are respectively provided with a feed inlet (2) for feeding and a liquid outlet (16) for draining, and the liquid outlet (16) is provided with a switch valve (17) for controlling the opening and closing of the liquid outlet; it is characterized by also comprising a wind selection mechanism, a water selection mechanism and a driving mechanism; the air separation mechanism comprises an air separation mechanism, a movable baffle (3), a limit baffle (5) and a blower mechanism; the left end of the movable baffle (3) is rotatably arranged on the left side of the inner wall of the device shell (1), and the front side and the rear side of the movable baffle are in sliding fit with the inner wall of the device shell (1); an opening is formed in the device shell (1) on the right side of the movable baffle (3), and a limiting baffle (5) for limiting seeds is fixed on the opening; a blowing mechanism for blowing seeds is fixed on the inner wall of the device shell (1) positioned on the left side of the limit baffle (5); a water separation mechanism is arranged in the device shell (1) below the air blowing mechanism; the water separation mechanism comprises a lower connecting rod (13), a limiting sleeve (14) and a sieve plate (15); the front end, the rear end, the left end and the right end of the sieve plate (15) are arranged in a lower sliding groove formed in the inner wall of the device shell (1) in a sliding mode, and filter holes with the inner diameter smaller than the outer diameter of full seeds are formed in the sieve plate (15); one end of a lower connecting rod (13) is fixed above the sieve plate (15); the other end of the lower connecting rod (13) slides, penetrates through a plurality of limiting sleeves (14) fixed in the device shell (1) and is connected with a driving mechanism; the driving mechanism for driving the movable baffle (3) to rotate and the lower connecting rod (13) to reciprocate up and down is arranged in the device shell (1).
2. The seed screening apparatus according to claim 1, wherein the driving mechanism includes a driving motor, a driving rotation shaft (10), a sector gear (11), a lifting plate (12), an upper connection rod (18), and a movable rod (19); the driving motor is fixed on the outer side of the device shell (1), and the rotating end of the driving motor rotatably penetrates through the side wall of the device shell (1) and is connected with one end of a driving rotating shaft (10) rotatably arranged in the device shell (1); a sector gear (11) is fixed on the driving rotating shaft (10), and the sector gear (11) is rotatably arranged in the lifting plate (12); racks matched with the teeth of the lifting plate (12) are arranged on the left side and the right side of the interior of the lifting plate (12), and when the teeth of one end of the sector gear (11) are contacted with the racks on one side of the lifting plate (12), the teeth of the other end are just separated from the racks on the other side of the lifting plate (12); the lower end of the lifting plate (12) is fixed with the top end of a lower connecting rod (13), and the upper end of the lifting plate is fixed with one end of an upper connecting rod (18); the other end of the upper connecting rod (18) is hinged with one end of a movable rod (19); the other end of the movable rod (19) is hinged with the bottom of the movable baffle (3); the bottom of the feed inlet (2) is also provided with an even blanking mechanism.
3. The seed screening apparatus of claim 2, wherein the uniform blanking mechanism comprises a vibrating rotating shaft (20), a cam (21), and a screen (22); the vibration rotating shaft (20) is rotatably arranged in the feeding hole (2), and one end of the vibration rotating shaft (20) penetrates through the feeding hole (2) and is connected with the rotating end of the driving motor through a belt (8); a cam (21) is fixed on the vibration rotating shaft (20) positioned in the feed port (2); the cam (21) consists of a hemisphere and a semi-ellipsoid; with all sliding settings all around of cam (21) matched with screen cloth (22) are in the last sliding tray of seting up in feed inlet (2), and are equipped with a plurality of sieve meshes on screen cloth (22), and the sieve mesh internal diameter is greater than full seed external diameter.
4. The seed screening device according to claim 3, wherein an upper baffle (23) which is in sliding fit with the inner wall of the feed inlet (2) is arranged on the screen (22) positioned on one side of the upper sliding groove; and a lower baffle (24) which is in sliding fit with the inner wall of the device shell (1) is arranged on the sieve plate (15) positioned on one side of the lower sliding groove.
5. The seed screening apparatus according to claim 2, wherein the movable barrier (3) is provided with a plurality of bars (4) for dispersing seeds.
6. Seed screening apparatus according to claim 1, characterized in that the blower means comprises a blower motor (6), a fan blade rotation shaft (7) and fan blades (9); the fan blade rotating shafts (7) are distributed on the inner wall of the device shell (1) at equal intervals along the vertical direction, one end of each fan blade rotating shaft (7) is rotatably arranged on the inner wall of the device shell (1), and the other end of each fan blade rotating shaft is fixedly provided with a fan blade (9); a blower motor (6) is further fixed inside the device shell (1), and the rotating end of the blower motor (6) is connected with a plurality of fan blade rotating shafts (7) through a belt (8); a plurality of ventilation openings are formed in the side wall of the device shell (1) close to the air blowing mechanism.
7. The seed screening apparatus according to claim 1, wherein the bottom of the inner wall of the apparatus housing (1) is formed in an inclined shape, and the liquid discharge port (16) is located at the lowermost end thereof.
8. Seed screening apparatus according to claim 7, characterized in that the bottom of the apparatus housing (1) is provided with a plurality of wheels (25) for easy movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010258686.XA CN111299156A (en) | 2020-04-03 | 2020-04-03 | Seed sieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010258686.XA CN111299156A (en) | 2020-04-03 | 2020-04-03 | Seed sieving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111299156A true CN111299156A (en) | 2020-06-19 |
Family
ID=71151905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010258686.XA Withdrawn CN111299156A (en) | 2020-04-03 | 2020-04-03 | Seed sieving mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN111299156A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221959A (en) * | 2020-10-29 | 2021-01-15 | 袁长城 | Seed sieving mechanism |
| CN113909115A (en) * | 2021-11-01 | 2022-01-11 | 广州膳智科技有限公司 | Detection screening device for food safety |
| CN119909839A (en) * | 2025-03-03 | 2025-05-02 | 扬州牧丰环保机械有限公司 | A screening device for crop seeds |
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| CN209646996U (en) * | 2019-01-29 | 2019-11-19 | 天门市五谷机械设备有限公司 | Impurity separating device is used in a kind of processing of five cereals |
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| US20040226865A1 (en) * | 2003-05-13 | 2004-11-18 | Steven Tse | Apparatus and method of separating medium-sized materials from garbage for collection |
| CN207222123U (en) * | 2017-08-22 | 2018-04-13 | 山丹县金谷子种植专业合作社 | Sandstone device is removed in a kind of high efficiency grain flotation dedusting |
| CN108325852A (en) * | 2018-03-13 | 2018-07-27 | 鲍春国 | A kind of quality grain seed highly effective and safe screening plant |
| CN108339659A (en) * | 2018-04-24 | 2018-07-31 | 来宝根 | A kind of double sub- screening plants of seed selection in geomantic omen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221959A (en) * | 2020-10-29 | 2021-01-15 | 袁长城 | Seed sieving mechanism |
| CN113909115A (en) * | 2021-11-01 | 2022-01-11 | 广州膳智科技有限公司 | Detection screening device for food safety |
| CN113909115B (en) * | 2021-11-01 | 2022-12-09 | 广州膳智科技有限公司 | Detection and screening device for food safety |
| CN119909839A (en) * | 2025-03-03 | 2025-05-02 | 扬州牧丰环保机械有限公司 | A screening device for crop seeds |
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Application publication date: 20200619 |