CN112517227A - Seed screening device and method - Google Patents
Seed screening device and method Download PDFInfo
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- CN112517227A CN112517227A CN202011266202.2A CN202011266202A CN112517227A CN 112517227 A CN112517227 A CN 112517227A CN 202011266202 A CN202011266202 A CN 202011266202A CN 112517227 A CN112517227 A CN 112517227A
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- bin
- dustpan
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- 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
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- 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
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
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- 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
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
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- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention belongs to the technical field of seed screening equipment, and particularly relates to a seed screening device and method. The device comprises a seed raising unit; the seed raising unit comprises a rack and a motor I, slide rails are arranged at two ends of the rack, and slide blocks are arranged on the slide rails; a bearing seat is arranged between the sliding rails, a lead screw is arranged between the motor I and the bearing seat, and a lead screw nut is arranged on the lead screw; the lead screw nut and the slide block are provided with slide plates, two ends of each slide plate are provided with transverse driving devices, a rotating shaft is arranged between every two adjacent transverse driving devices, the rotating shaft is connected with a dustpan, and two ends of the rotating shaft are provided with motors II for driving the rotating shaft to rotate; the invention can help people to screen seeds, imitate the screening action of a dustpan, screen out the seeds with small particles but not full, then screen by using saline water, lead the shell out, and only leave the full seeds with large particles for later use, thereby improving the screening efficiency and saving the labor force.
Description
Technical Field
The invention belongs to the technical field of seed screening equipment, and particularly relates to a seed screening device and method.
Background
In order to improve the quality of seeds, the seeds are usually required to be screened to remove small-particle seeds and retain large-particle seeds, and at present, the seeds are usually screened by two modes of manual selection or use of a sieve, so that the method is time-consuming and labor-consuming, and is not suitable for large-scale industrial production. Therefore, in order to solve the above technical problems, it is necessary to provide a seed screening apparatus with an improved structure to overcome the above-mentioned drawbacks of the prior art, achieve high efficiency and high quality, and save labor.
Disclosure of Invention
Aiming at the problems, the invention provides a seed screening device and a seed screening method, and by adopting the seed screening device and the seed screening method, people can be helped to screen seeds, the screening action of a dustpan is simulated, the seeds with small and incomplete grains are screened out, then the shells are guided out by using salt water for screening, only the large and complete grains are left for later use, the screening efficiency is improved, and the labor force is saved.
The invention mainly adopts the following technical scheme: a seed screening device comprises a control unit, a seed falling unit, a seed raising unit, a primary screening unit and a secondary screening unit; the control unit is respectively in control connection with the seed falling unit, the seed raising unit, the primary screening unit and the secondary screening unit.
The seed raising unit comprises a rack and a motor I, wherein longitudinal slide rails are arranged at two ends of the rack, and slide blocks matched with the slide rails are arranged on the slide rails; a bearing seat is arranged between the sliding rails, a lead screw is arranged between the motor I and the bearing seat, and a lead screw nut is arranged on the lead screw; the lead screw nut and the slide block are provided with slide plates, two ends of each slide plate are respectively provided with a transverse driving device, a rotating shaft is arranged between every two adjacent transverse driving devices, the rotating shaft is connected with a dustpan, and two ends of the rotating shaft are provided with motors II for driving the rotating shaft to rotate; the motor I drives the screw rod to rotate clockwise and anticlockwise alternately, the screw rod nut moves correspondingly along the screw rod, and then the sliding plate drives the transverse driving device, the dustpan and other components to move correspondingly as a whole. The motor II can drive the rotating shaft to rotate clockwise or anticlockwise, and then drives the dustpan to rotate correspondingly.
The primary screening unit comprises a fan base, a motor III is arranged on the upper portion of the fan base, and the motor III is connected with the fan. The motor III drives the fan to rotate.
The second grade screening unit includes feed bin II, is equipped with the salt solution in the feed bin II.
The seed falling unit is arranged above the dustpan, the stock bin II is arranged below the dustpan, and the fan is arranged above the dustpan.
The seed dropping unit comprises a bin I, a bin baffle is arranged at the bottom of the bin I, and the bin baffle is driven by an air cylinder I; the bin I is arranged above the dustpan.
Horizontal drive arrangement includes cylinder II, uide bushing and sets up in the inside guide post of uide bushing, cylinder II is connected with the guide post, and the other end of guide post is equipped with solid fixed ring, gu fixed ring is connected with the pivot.
Preferably, the two sides of the outer part of the bin II are both provided with motors IV, the middle of the inner part of the bin II is provided with a blanking plate, the blanking plate comprises a plate I and a plate II, the plate I and the plate II are symmetrically arranged in the bin II, the bin is just divided into an upper part and a lower part when the plate I and the plate II are in a horizontal state, and one ends of the plate I and the plate II are respectively connected with an output shaft of the motor IV; an opening is formed in one side of the upper portion of the bin II, a water gate matched with the opening is arranged at the opening, and the water gate is connected with an air cylinder III.
Preferably, the two sides of the outside of the bin II are both provided with the motor IV, one side of the upper part of the bin II is provided with an opening, and the middle of the inside of the bin II is provided with a blanking plate; the blanking plate comprises a plate I and a plate II, the plate I and the plate II are symmetrically arranged in the bin II, the bin is just divided into an upper part and a lower part when the plate I and the plate II are in a horizontal state, and one ends of the plate I and the plate II are respectively connected with an output shaft of the motor IV; one of the output shafts is provided with a gear, the gear is meshed with a rack, the other end of the rack is connected with a water gate, and the water gate is matched with the opening.
And the storage bin II is also provided with a water pipe for supplementing saline water into the storage bin II.
The blanking plate is a hollow screen, the screen mesh number is small, only water flow is allowed to pass through, and by adopting the structure, seeds can be prevented from passing through, and the resistance of the blanking plate to water in the opening or closing process is reduced.
The invention also provides a seed screening method, which adopts the seed screening device and comprises the following specific steps:
(1) pouring seeds to be screened into a bin I, retracting an air cylinder I, opening a bin baffle, dropping the seeds on a dustpan, ejecting the air cylinder I after blanking is finished, closing the bin baffle, and closing the bin I;
(2) after the seeds fall into the dustpan, the motor I is started, the lead screw rotates, and the lead screw nut drives the sliding plate, the guide sleeve, the guide post and the dustpan to longitudinally reciprocate for time t1Most of the seeds are concentrated in the middle of the dustpan, and the motor I stops rotating; at the moment, the air cylinder II drives the guide post and the dustpan arranged at the front end of the guide post to move leftwards to the leftmost end along the horizontal direction, and at the moment, the motor II is quickly started to enable the dustpan to rotate clockwise, so that the seeds are lifted clockwise; the motor III is started at the moment of seed lifting, the fan rotates to blow away the upper seeds which are shrunken and light, the remaining lower heavy seeds fall back into the dustpan, and the cylinder II drives the guide post and the dustpan arranged at the front end of the guide post to move rightwards to the rightmost end along the horizontal direction;
(3) the motor I is started again, and the action in the step (2) is repeated;
(4) after repeating the action of the step (2) twice, the motor II drives the dustpan to rotate anticlockwise, and the seeds in the dustpan are poured into the bin II; and completing seed screening after precipitation.
Preferably, the specific process of step (4) is as follows: after repeating the action of the step (2) for two times, the motor II drives the dustpan to rotate anticlockwise, the seeds in the dustpan are poured into the storage bin II, the storage bin is filled with prepared salt water in advance, the seeds are separated from the bad seeds by utilizing buoyancy, the buoyancy of the salt water is larger than that of fresh water, and some unsaturated seeds and seed shells can be floated; after precipitation, the motor IV drives the blanking plate to open, heavier seeds sink to the bottom, and the blanking plate is closed; at the moment, the air cylinder III retracts to drive the sluice to be opened, floating unsaturated seeds and seed shells are flushed away along with water flow, the air cylinder III ejects out after flushing away, the sluice is driven to be closed, and seed screening is completed.
Preferably, the specific process of step (4) is as follows: after repeating the action of the step (2) for two times, the motor II drives the dustpan to rotate anticlockwise, the seeds in the dustpan are poured into the storage bin II, the storage bin is filled with prepared salt water in advance, the seeds are separated from the bad seeds by utilizing buoyancy, the buoyancy of the salt water is larger than that of fresh water, and some unsaturated seeds and seed shells can be floated; after precipitation, the motor IV drives the output shaft to rotate, the blanking plate is opened, the gear on the output shaft rotates along with the output shaft, the racks are linked, the water gate is opened, the heavier seeds sink to the bottom, and the floating unsaturated seeds and the seed shells are washed away along with water flow; and closing the blanking plate to drive the sluice to be closed, and finishing seed screening.
The invention firstly deposits the heavier seeds on the blanking plate, then opens the blanking plate to further fall into the bottom of the bin II because the heavier seeds are possibly mixed with some unqualified seeds in the first falling process, and the seeds are dispersed in the second falling process, wherein the unqualified seeds are screened out again due to the buoyancy effect, thereby improving the screening quality.
In conclusion, the whole process of the invention only needs manual auxiliary feeding, the rest is automatically completed, the invention can help people to screen seeds, imitate the screening action of a dustpan, screen out the seeds with incomplete small particles, then screen the seeds by using saline water, guide the shell out, only leave the full large-particle seeds for later use, has high selection efficiency, is selected by two processes, has high yield and saves labor force.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention (omitting the seed dropping unit and the motor IV);
FIG. 3 is a schematic structural diagram of a use state I in embodiment 1 of the present invention (omitting a seed dropping unit and a motor IV);
FIG. 4 is a schematic structural diagram of a use state II of embodiment 1 of the present invention (omitting a seed dropping unit and a motor IV);
FIG. 5 is a schematic view of a primary structure of a secondary screening unit according to the present invention (motor IV is omitted);
FIG. 6 is a schematic view of a state II of the secondary screening unit according to the present invention (motor IV is omitted);
in the figure: 1. the device comprises a bin I, a bin baffle plate, a cylinder I, a cylinder II, a sliding block 5, a sliding rail 6, a rack 7, a bearing seat 8, a lead screw 9, a lead screw nut 10, a sliding plate 11, a guide sleeve 12, a guide column 13, a guide column 14, a motor II, a motor 15, a dustpan 16, a cylinder III, a cylinder 17, a sluice gate 18, a motor IV, a blanking plate 19, a bin II, a water pipe 21, a fan base 22, a fan III, a fan 24, a motor I, a motor 26, a rotating shaft 27, a fixing ring 28, a plate I, a plate 29, a plate II, a plate 30, an opening 31, an output shaft 32, a gear, a rack 33 and a control unit.
Detailed Description
Example 1
A seed screening device comprises a control unit, a seed falling unit, a seed raising unit, a primary screening unit and a secondary screening unit; the control unit is respectively in control connection with the seed falling unit, the seed raising unit, the primary screening unit and the secondary screening unit;
the seed raising unit comprises a rack 7 and a motor I25, wherein longitudinal slide rails 6 are arranged at two ends of the rack 7, and slide blocks 5 matched with the slide rails 6 are arranged on the slide rails 6; bearing seats 8 are arranged between the sliding rails 6, a lead screw 9 is arranged between the motor I25 and the bearing seats 8, and a lead screw nut 10 is arranged on the lead screw 9; the screw nut 10 and the slide block 5 are provided with a slide plate 11, two ends of the slide plate 11 are respectively provided with a transverse driving device, a rotating shaft 26 is arranged between the adjacent transverse driving devices, the rotating shaft 26 is connected with a dustpan 15, and two ends of the rotating shaft 26 are provided with a motor II14 for driving the rotating shaft 26 to rotate;
the primary screening unit comprises a fan base 22, a motor III23 is arranged at the upper part of the fan base 22, and a motor III23 is connected with the fan 24;
the secondary screening unit comprises a bin II20, and saline water is arranged in the bin II 20;
the seed falling unit is arranged above the dustpan 15, the bin II20 is arranged below the dustpan 15, and the fan 24 is arranged above the dustpan 15.
The seed falling unit comprises a bin I1, a bin baffle 2 is arranged at the bottom of the bin I1, and the bin baffle 2 is driven by an air cylinder I3; the bin I1 is arranged above the dustpan 15.
Horizontal drive arrangement includes cylinder II4, uide bushing 12 and sets up in the inside guide post 13 of uide bushing 12, cylinder II4 is connected with guide post 13, and the other end of guide post 13 is equipped with solid fixed ring 27, and solid fixed ring 27 is connected with pivot 26.
The two sides of the outer part of the bin II20 are respectively provided with a motor IV18, the middle of the inner part of the bin II20 is provided with a blanking plate 19, the blanking plate 19 comprises a plate I28 and a plate II29, the plate I28 and the plate II29 are symmetrically arranged in the bin II20, and one ends of the plate I28 and one end of the plate II29 are respectively connected with an output shaft 31 of the motor IV 18; an opening 30 is formed in one side of the upper portion of the bin II20, a water gate 17 matched with the opening 30 is arranged at the position of the opening 30, and the water gate 17 is connected with a cylinder III 16.
And a water pipe 21 is also arranged on the stock bin II 20.
The blanking plate 19 is a hollow screen.
A seed screening method adopts the seed screening device, and comprises the following specific steps:
(1) pouring seeds to be screened into a bin I, retracting an air cylinder I, opening a bin baffle, dropping the seeds on a dustpan, ejecting the air cylinder I after blanking is finished, closing the bin baffle, and closing the bin I;
(2) after the seeds fall into the dustpan, the motor I is started, the lead screw rotates, the lead screw nut drives the sliding plate, and the guide sleeve, the guide post and the dustpan which are arranged on the sliding plate to do longitudinal reciprocating motion for time t1, and the motor I stops rotating; at the moment, the air cylinder II drives the guide post and the dustpan arranged at the front end of the guide post to move leftwards to the leftmost end along the horizontal direction, the motor II is quickly started, the dustpan rotates clockwise, and the seeds are lifted clockwise; the motor III is started at the moment of seed lifting, the fan rotates to shoot the upper seeds with light dryness, the lower parts with heavy seeds are left to fall back into the dustpan, and the cylinder II drives the guide post and the dustpan arranged at the front end of the guide post to move rightwards to the rightmost end along the horizontal direction;
(3) and (4) starting the motor I again, and repeating the action in the step (2).
(4) After repeating the action of the step (2) twice, the motor II drives the dustpan to rotate anticlockwise, and the seeds in the dustpan are poured into the bin II; and completing seed screening after precipitation.
The motor IV drives the blanking plate to open, heavier seeds sink to the bottom, and the blanking plate is closed; at the moment, the air cylinder III retracts to drive the sluice to be opened, floating unsaturated seeds and seed shells are washed away along with water flow, the air cylinder III ejects out after the seeds are washed away, the sluice is driven to be closed, then saline water is injected inwards again through the water pipe, and the seeds are waited to fall into the water pipe again for separation.
The specific process of the step (4) is as follows: after repeating the action of the step (2) twice, the motor II drives the dustpan to rotate anticlockwise, and the seeds in the dustpan are poured into the bin II; after the heavier seeds are precipitated to the blanking plate, the motor IV drives the blanking plate to be opened, the heavier seeds are sunk to the bottom, and the blanking plate is closed; at the moment, the air cylinder III retracts to drive the sluice to be opened, floating unsaturated seeds and seed shells are flushed away along with water flow, the air cylinder III ejects out after flushing away, the sluice is driven to be closed, and seed screening is completed.
Example 2
A seed screening device comprises a control unit, a seed falling unit, a seed raising unit, a primary screening unit and a secondary screening unit; the control unit is respectively in control connection with the seed falling unit, the seed raising unit, the primary screening unit and the secondary screening unit;
the seed raising unit comprises a rack 7 and a motor I25, wherein longitudinal slide rails 6 are arranged at two ends of the rack 7, and slide blocks 5 matched with the slide rails 6 are arranged on the slide rails 6; bearing seats 8 are arranged between the sliding rails 6, a lead screw 9 is arranged between the motor I25 and the bearing seats 8, and a lead screw nut 10 is arranged on the lead screw 9; the screw nut 10 and the slide block 5 are provided with a slide plate 11, two ends of the slide plate 11 are respectively provided with a transverse driving device, a rotating shaft 26 is arranged between the adjacent transverse driving devices, the rotating shaft 26 is connected with a dustpan 15, and two ends of the rotating shaft 26 are provided with a motor II14 for driving the rotating shaft 26 to rotate;
the primary screening unit comprises a fan base 22, a motor III23 is arranged at the upper part of the fan base 22, and a motor III23 is connected with the fan 24;
the secondary screening unit comprises a bin II20, and saline water is arranged in the bin II 20;
the seed falling unit is arranged above the dustpan 15, the bin II20 is arranged below the dustpan 15, and the fan 24 is arranged above the dustpan 15.
The seed falling unit comprises a bin I1, a bin baffle 2 is arranged at the bottom of the bin I1, and the bin baffle 2 is driven by an air cylinder I3; the bin I1 is arranged above the dustpan 15.
Horizontal drive arrangement includes cylinder II4, uide bushing 12 and sets up in the inside guide post 13 of uide bushing 12, cylinder II4 is connected with guide post 13, and the other end of guide post 13 is equipped with solid fixed ring 27, and solid fixed ring 27 is connected with pivot 26.
The two sides of the outer part of the bin II20 are respectively provided with a motor IV18, one side of the upper part of the bin II20 is provided with an opening 30, and the middle of the inner part of the bin II20 is provided with a blanking plate 19; the blanking plate 19 comprises a plate I28 and a plate II29, the plate I28 and the plate II29 are symmetrically arranged in the bin II20, and one ends of the plate I28 and the plate II29 are respectively connected with an output shaft 31 of a motor IV 18; the output shaft 31 is provided with a gear 32, the gear 32 is engaged with a rack 33, the other end of the rack 33 is connected with a water gate 17, and the water gate 17 is matched with the opening 30.
And a water pipe 21 is also arranged on the stock bin II 20.
The blanking plate 19 is a hollow screen.
A seed screening method adopts the seed screening device, and comprises the following specific steps:
(1) pouring seeds to be screened into a bin I, retracting an air cylinder I, opening a bin baffle, dropping the seeds on a dustpan, ejecting the air cylinder I after blanking is finished, closing the bin baffle, and closing the bin I;
(2) after the seeds fall into the dustpan, the motor I is started, the lead screw rotates, the lead screw nut drives the sliding plate, and the guide sleeve, the guide post and the dustpan which are arranged on the sliding plate to do longitudinal reciprocating motion for time t1, and the motor I stops rotating; at the moment, the air cylinder II drives the guide post and the dustpan arranged at the front end of the guide post to move leftwards to the leftmost end along the horizontal direction, the motor II is quickly started, the dustpan rotates clockwise, and the seeds are lifted clockwise; the motor III is started at the moment of seed lifting, the fan rotates to shoot the upper seeds with light dryness, the lower parts with heavy seeds are left to fall back into the dustpan, and the cylinder II drives the guide post and the dustpan arranged at the front end of the guide post to move rightwards to the rightmost end along the horizontal direction;
(3) and (4) starting the motor I again, and repeating the action in the step (2).
(4) After repeating the action of the step (2) twice, the motor II drives the dustpan to rotate anticlockwise, and the seeds in the dustpan are poured into the bin II; and completing seed screening after precipitation.
The motor IV drives the blanking plate to open, heavier seeds sink to the bottom, and the blanking plate is closed; at the moment, the air cylinder III retracts to drive the sluice to be opened, floating unsaturated seeds and seed shells are washed away along with water flow, the air cylinder III ejects out after the seeds are washed away, the sluice is driven to be closed, then saline water is injected inwards again through the water pipe, and the seeds are waited to fall into the water pipe again for separation.
The specific process of the step (4) is as follows: after repeating the action of the step (2) twice, the motor II drives the dustpan to rotate anticlockwise, and the seeds in the dustpan are poured into the bin II; after the heavier seeds are deposited on the blanking plate, the motor IV drives the blanking plate to be opened, the linkage sluice is opened at the moment, the heavier seeds sink to the bottom, and the floating unsaturated seeds and the seed shells are washed away along with water flow; and closing the blanking plate to drive the sluice to be closed, and finishing seed screening.
Claims (10)
1. A seed screening device is characterized by comprising a control unit, a seed falling unit, a seed raising unit, a primary screening unit and a secondary screening unit; the control unit is respectively in control connection with the seed falling unit, the seed raising unit, the primary screening unit and the secondary screening unit;
the seed raising unit comprises a rack (7) and a motor I (25), wherein longitudinal slide rails (6) are arranged at two ends of the rack (7), and slide blocks (5) matched with the slide rails (6) are arranged on the slide rails (6); bearing seats (8) are arranged between the sliding rails (6), a lead screw (9) is arranged between the motor I (25) and the bearing seats (8), and a lead screw nut (10) is arranged on the lead screw (9); the screw nut (10) and the sliding block (5) are provided with sliding plates (11), two ends of each sliding plate (11) are provided with transverse driving devices, a rotating shaft (26) is arranged between every two adjacent transverse driving devices, the rotating shaft (26) is connected with a dustpan (15), and two ends of the rotating shaft (26) are provided with motors II (14) for driving the rotating shaft (26) to rotate;
the primary screening unit comprises a fan base (22), a motor III (23) is arranged on the upper portion of the fan base (22), and the motor III (23) is connected with a fan (24);
the secondary screening unit comprises a bin II (20), and saline water is arranged in the bin II (20);
the seed falling unit is arranged above the dustpan (15), the bin II (20) is arranged below the dustpan (15), and the fan (24) is arranged above the dustpan (15).
2. A seed screening device according to claim 1, characterized in that the seed dropping unit comprises a bin I (1), a bin baffle (2) is arranged at the bottom of the bin I (1), and the bin baffle (2) is driven by a cylinder I (3); the bin I (1) is arranged above the dustpan (15).
3. A seed screening apparatus according to claim 1, wherein the transverse driving device comprises a cylinder II (4), a guide sleeve (12) and a guide post (13) arranged inside the guide sleeve (12), the cylinder II (4) is connected with the guide post (13), the other end of the guide post (13) is provided with a fixing ring (27), and the fixing ring (27) is connected with the rotating shaft (26).
4. The seed screening device according to claim 1, wherein the two sides of the outer part of the bin II (20) are provided with the motor IV (18), the middle of the inner part of the bin II (20) is provided with the blanking plate (19), the blanking plate (19) comprises a plate I (28) and a plate II (29), the plate I (28) and the plate II (29) are symmetrically arranged in the bin II (20), and one end of the plate I (28) and one end of the plate II (29) are respectively connected with the output shaft (31) of the motor IV (18); an opening (30) is arranged on one side of the upper portion of the bin II (20), a water gate (17) matched with the opening (30) is arranged at the position of the opening (30), and the water gate (17) is connected with an air cylinder III (16).
5. The seed screening device according to claim 1, wherein the two sides of the outer part of the bin II (20) are respectively provided with the motor IV (18), one side of the upper part of the bin II (20) is provided with the opening (30), and the middle of the inner part of the bin II (20) is provided with the blanking plate (19); the blanking plate (19) comprises a plate I (28) and a plate II (29), the plate I (28) and the plate II (29) are symmetrically arranged in the stock bin II (20), and one ends of the plate I (28) and the plate II (29) are respectively connected with an output shaft (31) of the motor IV (18); the water gate is characterized in that a gear (32) is arranged on the output shaft (31), a rack (33) is meshed on the gear (32), the other end of the rack (33) is connected with a water gate (17), and the water gate (17) is matched with the opening (30).
6. A seed screening apparatus according to claim 1, characterized in that a water pipe (21) is further provided on the bin II (20).
7. A seed screening apparatus according to claim 1, wherein the blanking plate (19) is a hollow screen.
8. A seed screening method using the seed screening apparatus according to any one of claims 1 to 7, comprising the steps of:
(1) pouring seeds to be screened into a bin I, retracting an air cylinder I, opening a bin baffle, dropping the seeds on a dustpan, ejecting the air cylinder I after blanking is finished, closing the bin baffle, and closing the bin I;
(2) after the seeds fall into the dustpan, the motor I is started, the lead screw rotates, the lead screw nut drives the sliding plate, and the guide sleeve, the guide post and the dustpan which are arranged on the sliding plate to do longitudinal reciprocating motion for time t1, and the motor I stops rotating; at the moment, the air cylinder II drives the guide post and the dustpan arranged at the front end of the guide post to move leftwards to the leftmost end along the horizontal direction, the motor II is quickly started, the dustpan rotates clockwise, and the seeds are lifted clockwise; the motor III is started at the moment of seed lifting, the fan rotates to shoot the upper seeds with light dryness, the lower parts with heavy seeds are left to fall back into the dustpan, and the cylinder II drives the guide post and the dustpan arranged at the front end of the guide post to move rightwards to the rightmost end along the horizontal direction;
(3) the motor I is started again, and the action in the step (2) is repeated;
(4) after repeating the action of the step (2) twice, the motor II drives the dustpan to rotate anticlockwise, and the seeds in the dustpan are poured into the bin II; and completing seed screening after precipitation.
9. A seed screening method according to claim 8, wherein the specific process of step (4) is: after repeating the action of the step (2) twice, the motor II drives the dustpan to rotate anticlockwise, and the seeds in the dustpan are poured into the bin II; after the heavier seeds are precipitated to the blanking plate, the motor IV drives the blanking plate to be opened, the heavier seeds are sunk to the bottom, and the blanking plate is closed; at the moment, the air cylinder III retracts to drive the sluice to be opened, floating unsaturated seeds and seed shells are flushed away along with water flow, the air cylinder III ejects out after flushing away, the sluice is driven to be closed, and seed screening is completed.
10. A seed screening method according to claim 8, wherein the specific process of step (4) is: after repeating the action of the step (2) twice, the motor II drives the dustpan to rotate anticlockwise, and the seeds in the dustpan are poured into the bin II; after the heavier seeds are deposited on the blanking plate, the motor IV drives the blanking plate to be opened, the linkage sluice is opened at the moment, the heavier seeds sink to the bottom, and the floating unsaturated seeds and the seed shells are washed away along with water flow; and closing the blanking plate to drive the sluice to be closed, and finishing seed screening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266202.2A CN112517227A (en) | 2020-11-13 | 2020-11-13 | Seed screening device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266202.2A CN112517227A (en) | 2020-11-13 | 2020-11-13 | Seed screening device and method |
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| CN112517227A true CN112517227A (en) | 2021-03-19 |
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| CN202011266202.2A Withdrawn CN112517227A (en) | 2020-11-13 | 2020-11-13 | Seed screening device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113908971A (en) * | 2021-09-26 | 2022-01-11 | 山东润鹏种苗有限公司 | Seed screening installation is used in pumpkin breeding |
| CN114751194A (en) * | 2022-03-24 | 2022-07-15 | 河北养元智汇饮品股份有限公司 | Walnut kernel soaking and conveying system |
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| CN113908971A (en) * | 2021-09-26 | 2022-01-11 | 山东润鹏种苗有限公司 | Seed screening installation is used in pumpkin breeding |
| CN113908971B (en) * | 2021-09-26 | 2024-03-15 | 山东润鹏种苗有限公司 | Seed screening equipment for pumpkin breeding |
| CN114751194A (en) * | 2022-03-24 | 2022-07-15 | 河北养元智汇饮品股份有限公司 | Walnut kernel soaking and conveying system |
| CN114751194B (en) * | 2022-03-24 | 2023-09-26 | 河北养元智汇饮品股份有限公司 | Soaking conveying system of walnut kernels |
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Application publication date: 20210319 |