CN112774987A - Agricultural seed sieving mechanism with tertiary screening function - Google Patents

Agricultural seed sieving mechanism with tertiary screening function Download PDF

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Publication number
CN112774987A
CN112774987A CN202011575035.XA CN202011575035A CN112774987A CN 112774987 A CN112774987 A CN 112774987A CN 202011575035 A CN202011575035 A CN 202011575035A CN 112774987 A CN112774987 A CN 112774987A
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CN
China
Prior art keywords
bolted
screen
inner cavity
rotating shaft
box
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Withdrawn
Application number
CN202011575035.XA
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Chinese (zh)
Inventor
张雪梅
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Individual
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Individual
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Priority to CN202011575035.XA priority Critical patent/CN112774987A/en
Publication of CN112774987A publication Critical patent/CN112774987A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/04Stationary flat screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens

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  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention discloses an agricultural seed screening device with a three-stage screening function, which comprises a fixed box, wherein the left side of the top of the fixed box is communicated with a feeding funnel, the top of the feeding funnel is bolted with a fixed frame, the centers of two sides of an inner cavity of the fixed frame are all bolted with a first screen, the top of the front of the fixed box is bolted with an installation plate, the center of the front of the installation plate is bolted with a controller, and the two sides of the inner cavity of the fixed box are sequentially embedded with a second screen and a third screen from top to bottom. According to the invention, through the matching of the first screen mesh, a user can conveniently screen seeds for the first time so as to filter large-particle impurities in the seeds, and through the matching of the supporting plate, the first motor, the first gear, the second gear, the first rotating shaft, the rotating disc, the fixed rod and the movable plate, the user can conveniently drive the movable plate to shake the second screen mesh by using the first motor, so that the seeds on the surface of the second screen mesh can be quickly screened for the second time.

Description

Agricultural seed sieving mechanism with tertiary screening function
Technical Field
The invention relates to the technical field of agriculture, in particular to an agricultural seed screening device with a three-level screening function.
Background
Agriculture is an industry for obtaining products by artificial cultivation by utilizing growth and development rules of animals and plants, and belongs to the first industry, the science of research agriculture is agriculture, the labor object of agriculture is living animals and plants, the obtained products are animals and plants, the agriculture is a basic industry for supporting national economic construction and development, the agriculture is a department taking land resources as production objects, and the industry is used for producing food and industrial raw materials by cultivating animal and plant products.
Need filter the seed in the agricultural production process, avoid rotten seed influence normal germination rate of seed that mildenes and rot, the user often uses seed sieving mechanism to sieve the seed this time, and traditional agricultural seed sieving mechanism is poor to the screening effect of seed, can only once only carry out the disposable screening to the seed mostly, can't select the most qualified seed fast.
Therefore, it is necessary to design an agricultural seed screening apparatus with a three-stage screening function to solve the above problems.
Disclosure of Invention
The invention aims to provide an agricultural seed screening device with a three-level screening function, and aims to solve the problems that the traditional agricultural seed screening device provided in the background art is poor in seed screening effect and cannot perform multi-level screening on seeds.
In order to achieve the purpose, the invention provides the following technical scheme: an agricultural seed screening device with a three-level screening function comprises a fixed box, wherein the left side of the top of the fixed box is communicated with a feeding hopper, the top of the feeding hopper is bolted with a fixed frame, the centers of two sides of the inner cavity of the fixed frame are all bolted with a first screen, the front top of the fixed box is bolted with a mounting plate, the front center of the mounting plate is bolted with a controller, the two sides of the inner cavity of the fixed box are sequentially embedded with a second screen and a third screen from top to bottom, the right side of the top of the inner cavity of the fixed box is bolted with a box body, the inner cavity of the box body is provided with a shaking mechanism, the front and the back of the bottom of the box body are both provided with through grooves, the bottom of the shaking mechanism penetrates through the through grooves and is bolted with the top of the second screen, the center of the right side of the inner cavity of the fixed box is bolted, the left side of vibrations mechanism runs through the install bin and extends to the left side, the right side of fixed box has been from last to having seted up first silo and second silo down in proper order down, the front and the back on fixed box right side have the installation piece from last to all having bolted in proper order down, the draw-in groove has been seted up to the opposite one side of installation piece, and the inner chamber joint of draw-in groove has the cardboard, the opposite one side bolted of cardboard has the case that gathers materials.
Preferably, the shaking mechanism comprises a support plate, a first motor, a first gear, a second gear, a first rotating shaft, a rotating disc, a fixed rod and a movable plate, the support plate is sequentially bolted at the top and the bottom of the inner cavity of the box body from front to back, a first bearing is embedded at the center of the front face of the support plate, the first rotating shaft is bolted at the inner ring of the first bearing, one side of the first rotating shaft, far away from the support plate, penetrates through the first bearing and is bolted with the rotating disc, the fixed rod is bolted at the bottom of the rotating disc, far away from the first rotating shaft, the movable plate is rotatably connected on the surface of the fixed rod through a second bearing, one side of the movable plate, far away from the fixed rod, penetrates through the through groove and is movably connected with a movable seat through a movable shaft, the bottom of the movable seat is bolted with the top of the second screen, the right side of the front face of the bottom of the inner cavity, and a second gear is meshed on the left side of the first gear, and the inner cavity of the second gear is bolted with the surface of the first rotating shaft.
Preferably, the vibration mechanism comprises a second motor, a second rotating shaft, a driving wheel, a driven wheel, a third rotating shaft and a cam, a second motor is bolted at the center of the top of the left side of the inner cavity of the installation box, the output end of the second motor is bolted with a second rotating shaft, the right side of the second rotating shaft is rotatably connected with the right side of the inner cavity of the installation box through a third bearing, a driving wheel is bolted on the surface of the second rotating shaft, the surface of the driving wheel is connected with a driven wheel through a belt in a transmission way, the inner cavity of the driven wheel is connected with a third rotating shaft in a bolt way, the right side of the third rotating shaft is rotatably connected with the right side of the inner cavity of the installation box through a fourth bearing, fifth bearings are embedded in the front and the back of the bottom of the left side of the installation box, the left side of the third rotating shaft penetrates through a fifth bearing and is bolted with a cam, and the bottom of the cam is movably connected with the top of the third screen.
Preferably, the left top of the fixed box is bolted with a water tank, the center of the top of the water tank is bolted with an air pump, the air inlet of the air pump is communicated with an air inlet pipe, one end, away from the air pump, of the air inlet pipe penetrates through the inner cavity of the fixed box, the air outlet of the air pump is communicated with an air outlet pipe, one end, away from the air pump, of the air outlet pipe penetrates through the bottom of the inner cavity of the water tank, and the front left side of the top of the water tank is communicated.
Preferably, the apertures of the first screen are larger than the apertures of the second screen, which is larger than the apertures of the third screen.
Preferably, a guide plate is bolted to the top on the right side of the inner cavity of the fixing box, the guide plate is inclined on the left side, and the guide plate is located on one side, opposite to the second screen and the third screen, of the guide plate.
Preferably, a transfer box is placed at the bottom of the inner cavity of the fixed box, and a handle is bolted at the center of the front face of the transfer box.
Preferably, the bottom of the mounting block is bolted with a limiting plate, and the top of the limiting plate is movably connected with the bottom of the material collecting box.
Preferably, the inner cavity of the water tank is filled with purified water, and the back of the top of the water tank is sequentially provided with air outlets from left to right.
Preferably, the bottoms of the two sides of the inner cavity of the fixed box are sequentially bolted with limiting blocks from front to back, and the limiting blocks are movably connected with the top of the transfer box.
Compared with the prior art, the invention has the beneficial effects that:
1. this agricultural seed sieving mechanism with tertiary screening function passes through the cooperation of first screen cloth, convenient to use person carries out the screening for the first time to the seed, so that filter the large granule impurity in the seed, through the backup pad, first motor, first gear, the second gear, first rotation axis, the carousel, the cooperation of dead lever and fly leaf, convenient to use person utilizes first motor to drive the fly leaf and shakes the second screen cloth, thereby carry out the quick screening for the second time with the seed on second screen cloth surface, and then carry out the quick screening filtration with great impurity, through the second motor, the second rotation axis, the action wheel, from the driving wheel, the cooperation of third rotation axis and cam, convenient to use person utilizes the second motor to drive the cam and strike vibrations to the third screen cloth, thereby make the small granule impurity in the seed and the seed vibrations screening, at first screen cloth, After the tertiary screening of second screen cloth and third screen cloth to screening the seed fast, improved the screening effect of device, it is poor to the screening effect of seed to have solved traditional agricultural seed sieving mechanism, can't carry out the problem of multistage screening to the seed.
2. This agricultural seed sieving mechanism with tertiary screening function passes through the cooperation of air pump and water tank, convenient to use person absorbs into the water tank fast with the dust of fixed incasement, thereby drench the settlement fast to the dust, avoid the dust to spill out fixed case, thereby influence all ring edge borders, the hole that is greater than the hole of second screen cloth and the hole of second screen cloth through first screen cloth is greater than the hole of third screen cloth, convenient to use person filters the seed step by step, finally select optimum seed on the surface of third screen cloth, cooperation through the guide plate, convenient to use person carries out the water conservancy diversion to the seed, the dwell time of seed on third screen cloth surface has been prolonged, the screening effect has been increased, cooperation through transport case and handle, convenient to use person pours granule impurity and the seed that mildenes and rot.
3. This agricultural seed sieving mechanism with tertiary screening function passes through the cooperation of limiting plate, and convenient to use person carries out spacing support to the case that gathers materials, has improved the stability of the case that gathers materials, has poured the water purification through the inner chamber of water tank, is convenient for subside fast to the dust, and through the cooperation of venthole, convenient to use person will purify the gaseous quick discharge after, and through the cooperation of stopper, convenient to use person carries on spacingly to the transport case, has improved the stability of transport case.
Drawings
FIG. 1 is a front view of the agricultural seed screening apparatus with three-stage screening function according to the present invention;
FIG. 2 is a cross-sectional view of the agricultural seed screening apparatus with three-stage screening function according to the present invention;
FIG. 3 is a structural sectional view of the case of the present invention;
FIG. 4 is a structural cross-sectional view of the mounting box of the present invention;
FIG. 5 is a perspective view of the structure of the mounting block, the clamping plate and the material collecting box of the present invention;
FIG. 6 is a structural sectional view of the water tank of the present invention;
figure 7 is a structural section of the fixing frame according to the invention;
fig. 8 is a perspective view of the structure of the turntable and the fixing rod of the present invention.
In the figure: 1. a fixed box; 2. a water tank; 3. an air pump; 4. a feed hopper; 5. a fixing frame; 6. a first screen; 7. mounting blocks; 8. clamping a plate; 9. a material collecting box; 10. a limiting plate; 11. a second screen; 12. a third screen; 13. a box body; 14. a shaking mechanism; 141. a support plate; 142. a first motor; 143. a first gear; 144. a second gear; 145. a first rotating shaft; 146. a turntable; 147. fixing the rod; 148. a movable plate; 15. installing a box; 16. a vibration mechanism; 161. a second motor; 162. a second rotation shaft; 163. a driving wheel; 164. a driven wheel; 165. a third rotation axis; 166. a cam; 17. a transfer box; 18. a baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an embodiment of the present invention:
an agricultural seed screening device with a three-level screening function comprises a fixed box 1, wherein the left side of the top of the fixed box 1 is communicated with a feeding funnel 4, the top of the feeding funnel 4 is bolted with a fixed frame 5, the centers of two sides of an inner cavity of the fixed frame 5 are all bolted with a first screen 6, the front top of the fixed box 1 is bolted with a mounting plate, the front center of the mounting plate is bolted with a controller, the two sides of the inner cavity of the fixed box 1 are sequentially embedded with a second screen 11 and a third screen 12 from top to bottom, the right side of the top of the inner cavity of the fixed box 1 is bolted with a box body 13, the inner cavity of the box body 13 is provided with a shaking mechanism 14, the front and the back of the bottom of the box body 13 are both provided with through grooves, the bottom of the shaking mechanism 14 penetrates through the through grooves and is bolted with the top of the second screen 11, the center of the right side, the left side of the vibration mechanism 16 penetrates through the installation box 15 and extends towards the left side, the right side of the fixed box 1 is sequentially provided with a first discharging groove and a second discharging groove from top to bottom, the front side and the back side of the right side of the fixed box 1 are sequentially bolted with the installation blocks 7 from top to bottom, one opposite side of each installation block 7 is provided with a clamping groove, an inner cavity of each clamping groove is clamped with a clamping plate 8, one opposite side of each clamping plate 8 is bolted with a material collecting box 9, through the matching of the first screen 6, a user can conveniently screen seeds for the first time, large-particle impurities in the seeds can be filtered, through the matching of the supporting plate 141, the first motor 142, the first gear 143, the second gear 144, the first rotating shaft 145, the rotating disc 146, the fixed rod 147 and the movable plate 148, the user can conveniently drive the movable plate 148 to shake the second screen 11 by using the first motor 142, so that the seeds on the surface, and then carry out the filtration of screening fast with great impurity, through second motor 161, second rotation axis 162, action wheel 163, from driving wheel 164, third rotation axis 165 and cam 166's cooperation, convenient to use person utilizes second motor 161 to drive cam 166 and beats vibrations to third screen cloth 12, thereby make the tiny particle impurity in the seed and milden and rot the seed and carry out vibration screening, at first screen cloth 6, second screen cloth 11 and third screen cloth 12's tertiary screening back, thereby filter the seed fast, the screening effect of device has been improved, it is poor to the screening effect of seed to have solved traditional agricultural seed sieving mechanism, can't carry out the problem of multistage screening to the seed.
The shaking mechanism 14 comprises a supporting plate 141, a first motor 142, a first gear 143, a second gear 144, a first rotating shaft 145, a rotating disc 146, a fixed rod 147 and a movable plate 148, wherein the supporting plate 141 is sequentially bolted at the top and the bottom of the inner cavity of the box body 13 from front to back, a first bearing is embedded in the center of the front surface of the supporting plate 141, the first rotating shaft 145 is bolted at the inner ring of the first bearing, the first bearing penetrates through the first rotating shaft 145 at one side of the first rotating shaft 145 far away from the supporting plate 141 and is bolted with the rotating disc 146, the fixed rod 147 is bolted at the bottom of the rotating disc 146 far away from the first rotating shaft 145, the movable plate 148 is rotatably connected on the surface of the fixed rod 147 through the second bearing, the movable seat penetrates through the through groove at one side of the movable plate 148 far away from the fixed rod 147 and is movably connected through the movable shaft, the bottom of the movable, the output end of the second motor 161 is bolted with the first gear 143, the left side of the first gear 143 is engaged with the second gear 144, the inner cavity of the second gear 144 is bolted with the surface of the first rotating shaft 145, and through the matching of the supporting plate 141, the first motor 142, the first gear 143, the second gear 144, the first rotating shaft 145, the rotating disc 146, the fixing rod 147 and the movable plate 148, a user can conveniently drive the movable plate 148 to shake the second screen mesh 11 by using the first motor 142, thereby performing secondary quick screening on seeds on the surface of the second screen mesh 11, and further performing quick screening and filtering on larger impurities.
The vibration mechanism 16 comprises a second motor 161, a second rotating shaft 162, a driving wheel 163, a driven wheel 164, a third rotating shaft 165 and a cam 166, the second motor 161 is bolted at the center of the top of the left side of the inner cavity of the installation box 15, the second rotating shaft 162 is bolted at the output end of the second motor 161, the right side of the second rotating shaft 162 is rotatably connected with the right side of the inner cavity of the installation box 15 through a third bearing, the driving wheel 163 is bolted at the surface of the second rotating shaft 162, the driven wheel 164 is connected with the surface of the driving wheel 163 through a belt transmission, the third rotating shaft 165 is bolted at the inner cavity of the driven wheel 164, the right side of the third rotating shaft 165 is rotatably connected with the right side of the inner cavity of the installation box 15 through a fourth bearing, fifth bearings are embedded at the front and back of the bottom of the left side of the installation box 15, the left side of the third rotating shaft 165 penetrates through the fifth bearings and is, through the cooperation of the second motor 161, the second rotating shaft 162, the driving wheel 163, the driven wheel 164, the third rotating shaft 165 and the cam 166, the user can use the second motor 161 to drive the cam 166 to knock and vibrate the third screen 12, so that the small particle impurities and the moldy seeds in the seeds can be screened in a vibrating manner.
Fixed 1 left top bolt of case has water tank 2, the center department bolt at 2 tops of water tank has air pump 3, the air inlet intercommunication of air pump 3 has the intake pipe, and the intake pipe is kept away from the one end of air pump 3 and is run through to the inner chamber of fixed case 1, the gas outlet intercommunication of air pump 3 has the outlet duct, and the outlet duct is kept away from the one end of air pump 3 and is run through to the bottom of 2 inner chambers of water tank, the positive left side intercommunication in 2 tops of water tank has the inlet tube, cooperation through air pump 3 and water tank 2, the person of facilitating the use absorbs into water tank 2 fast with the dust in the fixed case 1, thereby drench the subsidence to the quick water of dust, avoid the dust to spill.
The apertures of the first screen 6 are larger than those of the second screen 11, the apertures of the second screen 11 are larger than those of the third screen 12, the apertures of the first screen 6 are larger than those of the second screen 11, and the apertures of the second screen 11 are larger than those of the third screen 12, so that a user can conveniently screen the seeds step by step, and finally, the optimum seeds are screened out on the surface of the third screen 12.
Guide plate 18 has been bolted on the top on fixed box 1 inner chamber right side, and guide plate 18 is left side slope form, and guide plate 18 is located second screen cloth 11 and the opposite one side of third screen cloth 12, and through guide plate 18's cooperation, convenient to use person carries out the water conservancy diversion to the seed, has prolonged the dwell time of seed on third screen cloth 12 surface, has increased the screening effect.
Transport box 17 has been placed to the bottom of fixed 1 inner chamber of case, and transport box 17 positive center department bolted connection has the handle, and through the cooperation of transport box 17 and handle, convenient to use person pours over granule impurity and the seed that mildenes and rot.
The bottom bolt of installation piece 7 has limiting plate 10, and limiting plate 10's top and the bottom swing joint of case 9 that gathers materials, through limiting plate 10's cooperation, convenient to use person carries out spacing support to case 9 that gathers materials, has improved the stability of case 9 that gathers materials.
The inner chamber of water tank 2 has been filled with the water purification, and the venthole has all been seted up in proper order from a left side to the right side in the back at 2 tops of water tank, has been filled with the water purification through the inner chamber of water tank 2, is convenient for carry out quick settlement to the dust, and through the cooperation of venthole, convenient to use person is with the gaseous quick discharge after purifying.
The bottom of 1 inner chamber both sides of fixed case all is bolted in proper order to the back in the past to have a stopper, and stopper and transport case 17's top swing joint, and through the cooperation of stopper, convenient to use person carries on spacingly to transport case 17, has improved transport case 17's stability.
The working principle is as follows: when the device is used, a user pours seeds into the surface of the first screen 6, the first screen 6 filters large impurities in the seeds, then the seeds fall onto the surface of the second screen 11 through the discharging funnel, the user turns on the first motor 142 through the controller, the first motor 142 drives the first gear 143 to rotate, the second gear 144 is driven to rotate, the second gear 144 drives the first rotating shaft 145 to rotate, the first rotating shaft 145 drives the two groups of rotating discs 146 to rotate simultaneously, the rotating discs 146 drive the fixing rods 147 to rotate, the movable plates 148 are driven to do up-and-down swinging motion, the second screen 11 is shaken, the seeds on the surface of the second screen 11 are quickly screened for the second time, larger impurities are quickly screened and filtered, and then the seeds continue to fall onto the surface of the second screen 11, the user turns on second motor 161 through the controller this moment, second motor 161 drives second rotation axis 162 and action wheel 163 this moment and rotates simultaneously to drive and rotate from driving wheel 164, follow driving wheel 164 and drive third rotation axis 165 and cam 166 and rotate simultaneously subsequently, cam 166 beats vibrations to third screen cloth 12 this moment, thereby make the tiny particle impurity in the seed and the seed that mildenes and rot carry out vibrations screening, tiny particle impurity and the seed that mildenes and rot fall to the transfer box 17 in afterwards, leave the best seed on the surface of third screen cloth 12 simultaneously, the seed falls to in collection case 9 under the conduction of third screen cloth 12 afterwards, through first screen cloth 6, second screen cloth 11 and the tertiary screening of third screen cloth 12 after, can screen the seed fast.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides an agricultural seed sieving mechanism with tertiary screening function, includes fixed case (1), its characterized in that: the left side of the top of the fixed box (1) is communicated with a feeding hopper (4), the top of the feeding hopper (4) is bolted with a fixed frame (5), the centers of two sides of an inner cavity of the fixed frame (5) are all bolted with a first screen (6), the front top of the fixed box (1) is bolted with a mounting plate, the front center of the mounting plate is bolted with a controller, the two sides of the inner cavity of the fixed box (1) are sequentially embedded with a second screen (11) and a third screen (12) from top to bottom, the right side of the top of the inner cavity of the fixed box (1) is bolted with a box body (13), the inner cavity of the box body (13) is provided with a shaking mechanism (14), the front and the back of the bottom of the box body (13) are both provided with through grooves, the bottom of the shaking mechanism (14) penetrates through the through grooves and is bolted with the top of the second screen (11), the center of the right side of the inner cavity of the fixed, the inner chamber of install bin (15) is provided with vibrations mechanism (16), the left side of vibrations mechanism (16) runs through install bin (15) and extends to the left side, the right side of fixed case (1) is from last to having seted up first silo and second silo down in proper order down, the front and the back on fixed case (1) right side are from last to all having bolted in proper order down installation piece (7), the draw-in groove has been seted up to installation piece (7) one side in opposite directions, and the inner chamber joint of draw-in groove has cardboard (8), cardboard (8) one side in opposite directions bolt joint has case (9) that gathers materials.
2. The agricultural seed screening apparatus with tertiary screening function of claim 1, wherein: the shaking mechanism (14) comprises a supporting plate (141), a first motor (142), a first gear (143), a second gear (144), a first rotating shaft (145), a rotary disc (146), a fixed rod (147) and a movable plate (148), the top and the bottom of the inner cavity of the box body (13) are sequentially bolted with the supporting plate (141) from front to back, a first bearing is embedded in the center of the front face of the supporting plate (141), the first rotating shaft (145) is bolted on the inner ring of the first bearing, one side, away from the supporting plate (141), of the first rotating shaft (145) penetrates through the first bearing and is bolted with the rotary disc (146), the fixed rod (147) is bolted on the bottom of one side, away from the first rotating shaft (145), of the rotary disc (146), the surface of the fixed rod (147) is rotatably connected with the movable plate (148) through a second bearing, one side, away from the fixed rod (147), of the movable plate (148) penetrates through a through groove, the bottom of the movable seat is bolted with the top of the second screen (11), the right side of the front face of the bottom of the inner cavity of the box body (13) is bolted with a second motor (161), the output end of the second motor (161) is bolted with a first gear (143), the left side of the first gear (143) is meshed with a second gear (144), and the inner cavity of the second gear (144) is bolted with the surface of the first rotating shaft (145).
3. The agricultural seed screening apparatus with tertiary screening function of claim 1, wherein: the vibration mechanism (16) comprises a second motor (161), a second rotating shaft (162), a driving wheel (163), a driven wheel (164), a third rotating shaft (165) and a cam (166), the second motor (161) is bolted at the center of the left top of the inner cavity of the installation box (15), the second rotating shaft (162) is bolted at the output end of the second motor (161), the right side of the second rotating shaft (162) is rotatably connected with the right side of the inner cavity of the installation box (15) through a third bearing, the driving wheel (163) is bolted on the surface of the second rotating shaft (162), the driven wheel (164) is connected on the surface of the driving wheel (163) through belt transmission, the third rotating shaft (165) is bolted on the inner cavity of the driven wheel (164), the right side of the third rotating shaft (165) is rotatably connected with the right side of the inner cavity of the installation box (15) through a fourth bearing, and fifth bearings are embedded in the front and the back of the bottom of the left side of the installation, the left side of the third rotating shaft (165) penetrates through a fifth bearing and is bolted with a cam (166), and the bottom of the cam (166) is movably connected with the top of the third screen (12).
4. The agricultural seed screening apparatus with tertiary screening function of claim 1, wherein: the left top of fixed case (1) is bolted and is had water tank (2), the center department bolt at water tank (2) top has air pump (3), the air inlet intercommunication of air pump (3) has the intake pipe, and the intake pipe keeps away from the one end of air pump (3) and runs through to the inner chamber of fixed case (1), the gas outlet intercommunication of air pump (3) has the outlet duct, and the outlet duct keeps away from the one end of air pump (3) and runs through to the bottom of water tank (2) inner chamber, the positive left side intercommunication in water tank (2) top has the inlet tube.
5. The agricultural seed screening apparatus with tertiary screening function of claim 1, wherein: the apertures of the first screen (6) are larger than the apertures of the second screen (11), and the apertures of the second screen (11) are larger than the apertures of the third screen (12).
6. The agricultural seed screening apparatus with tertiary screening function of claim 1, wherein: guide plate (18) have been bolted on the top on fixed case (1) inner chamber right side, guide plate (18) are left side slope form, guide plate (18) are located second screen cloth (11) and third screen cloth (12) one side in opposite directions.
7. The agricultural seed screening apparatus with tertiary screening function of claim 1, wherein: transfer box (17) have been placed to the bottom of fixed case (1) inner chamber, the positive center department bolt of transfer box (17) has the handle.
8. The agricultural seed screening apparatus with tertiary screening function of claim 1, wherein: the bottom of the mounting block (7) is bolted with a limiting plate (10), and the top of the limiting plate (10) is movably connected with the bottom of the material collecting box (9).
9. The agricultural seed screening apparatus with tertiary screening function of claim 4, wherein: the inner cavity of the water tank (2) is filled with purified water, and air outlet holes are formed in the back of the top of the water tank (2) from left to right in sequence.
10. The agricultural seed screening apparatus with tertiary screening function of claim 1, wherein: the bottoms of the two sides of the inner cavity of the fixed box (1) are sequentially bolted with limiting blocks from front to back, and the limiting blocks are movably connected with the top of the transfer box (17).
CN202011575035.XA 2020-12-28 2020-12-28 Agricultural seed sieving mechanism with tertiary screening function Withdrawn CN112774987A (en)

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DE102011050482A1 (en) * 2011-05-19 2012-11-22 Haver & Boecker Ohg Screen deck for screening machine, particularly multi-deck screening machine, has outer base frame with supply area, screen area and discharge area, where gap dosing feeder is arranged in supply area in base frame
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CN114130657A (en) * 2021-11-22 2022-03-04 孟维西 Multistage screening plant that disinfects of seed of growing seedlings
CN114130657B (en) * 2021-11-22 2023-06-13 宁夏卫农农业发展有限公司 Multistage sterilization screening plant of seed of growing seedlings

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