CN113083672B

CN113083672B - A kind of device of selecting seeds for rice

Info

Publication number: CN113083672B
Application number: CN202110362141.8A
Authority: CN
Inventors: 胡桂英
Original assignee: Jiangxi Huinong Seed Industry Co ltd
Current assignee: Jiangxi Huinong Seed Industry Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2022-11-22
Anticipated expiration: 2041-04-02
Also published as: CN113083672A

Abstract

The invention relates to the technical field of rice seed selection, and discloses a seed selection device for rice, which comprises a box body, wherein the top of the box body is fixedly connected with a feed hopper communicated with the box body, two sieve plates are hinged in the box body, the right sides of the two sieve plates penetrate through and extend to the right side in the box body, the bottoms of the two sieve plates are fixedly provided with vibrating motors, the right side in the box body is fixedly connected with two springs, the top ends of the two springs are respectively and fixedly connected with the two sieve plates, the left side and the right side of the box body are respectively and fixedly connected with a collection box, and the top of the collection box on the left side is fixedly provided with a fan. The rice screening and removing device can screen and remove rice with empty shells, incomplete grains and damage caused by gnawing of moths, ensures the screening effect, improves the seed selection efficiency, can effectively and intensively collect and treat sundries, dust and the like attached to the rice in the screening process, and reduces the labor capacity of workers.

Description

A seed selection device for rice

Technical Field

The invention relates to the technical field of rice seed selection, in particular to a rice seed selection device.

Background

The rice is a cereal crop of rice, the representative species is rice, the rice is native to China and India, the rice is planted by precedents in Yangtze river basin of China seven thousand years ago, the rice is divided into indica rice and japonica rice, early rice and middle and late rice, glutinous rice and non-glutinous rice according to the rice type, and the rice is divided into conventional rice and hybrid rice according to the seed reserving mode.

The existing rice seed selection device generally utilizes a vibration sieve plate to sieve rice and select seeds, only rice with the particle size close to the standard can be screened out in the screening process, but the rice cannot be screened and rejected aiming at the situation that the particles are not full and the moth gnaws and damages the rice, so that secondary screening is needed, the screening effect is general, the seed selection efficiency is influenced, meanwhile, the existing seed selection device cannot effectively collect and treat sundries, dust and the like attached to the rice in the screening process in a centralized manner, the labor capacity is increased, and therefore the seed selection device for the rice is provided for solving the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a seed selection device for rice, which has the advantages of screening and removing rice with empty husks, incomplete grains and eating damage of moths in the rice, ensuring the screening effect, improving the seed selection efficiency, effectively and intensively collecting and treating sundries, dust and the like attached to the rice in the screening process, reducing the labor amount of workers and the like, and solves the problems that only rice with the grain size close to the standard can be screened in the screening process, but the secondary screening is needed because the screening and removing cannot be carried out on the rice with the incomplete grains and the eating damage of the moths, the screening effect is general, the seed selection efficiency is influenced, and the labor amount is increased because the conventional seed selection device cannot effectively and intensively collect and treat the sundries, dust and the like attached to the rice in the screening process.

(II) technical scheme

In order to realize the purposes of screening and eliminating rice with empty shells, incomplete grains and damage caused by gnawing of moths, ensuring the screening effect, improving the seed selection efficiency, effectively and intensively collecting and treating sundries, dust and the like attached to the rice in the screening process and reducing the labor capacity of workers, the invention provides the following technical scheme: a seed selection device for rice comprises a box body, wherein the top of the box body is fixedly connected with a feed hopper communicated with the box body, the inside of the box body is hinged with two sieve plates, the right sides of the two sieve plates are respectively penetrated and extended to the right side inside the box body, the bottom of the two sieve plates is respectively fixedly provided with a vibrating motor, the right side of the inside of the box body is fixedly connected with two springs, the top ends of the two springs are respectively fixedly connected with the two sieve plates, the left side of the box body is fixedly connected with a collecting box and a fan, the output end of the fan is fixedly connected with an integrated air pipe, the middle part of the air pipe is fixedly connected with a branch pipe communicated with the air pipe, the bottom end of the air pipe is penetrated and fixedly connected to the inside of a left side collecting box, the right end of the air pipe and the branch pipe are respectively penetrated and fixedly connected to the inside of the box body, the air pipe and the middle part of the branch pipe are fixedly connected with dust suction heads which are respectively and fixedly connected with an integrated inlet end of the air pipe, the left side of the inside of the box body is fixedly connected with a drainage pipe, the bottom end of the box body is respectively penetrated and fixedly connected with the bottom end of the collecting box body, and the drainage pipe is connected with the inside of the box body, the left end of the flow guide pipe penetrates through and is fixedly connected to the inside of the material collecting box, the right side of the inside of the collecting box is fixedly connected with a filter plate, and the inside of the material collecting box is slidably connected with a filter basket.

Preferably, the front surface of the box body is fixedly provided with a control panel, and the front surface of the box body is provided with a first observation window.

Preferably, two mounting grooves are opened on the right side of the interior of the box body, two the springs are fixedly connected to the interiors of the two mounting grooves respectively, and the right side of the sieve plate penetrates through and extends to the interiors of the two mounting grooves respectively.

Preferably, the collecting boxes and the collecting box are hinged to a taking door, the taking door is fixedly connected to the front face of the taking door, and a second observation window is arranged on the front face of the collecting box.

Preferably, the middle parts of the two sewage discharge pipes are fixedly provided with first electromagnetic valves, and the middle parts of the sewage discharge pipes are fixedly provided with second electromagnetic valves.

Preferably, a group of material distributing plates are fixedly connected inside the box body, and the front sections of the material distributing plates are in a fan shape.

Preferably, two the outside of sieve all is equipped with the bellows rather than fixed connection, two the equal fixed connection of bellows is to the inside right side of box.

Preferably, the right side of the box body is fixedly connected with a water injection pipe and a water discharge pipe which are communicated with the box body respectively, and third electromagnetic valves are fixedly mounted in the middle of the water injection pipe and the middle of the water discharge pipe respectively.

Preferably, the left side of the interior of the box body is fixedly connected with a flow direction plate, and the right side of the flow direction plate is integrally formed with a break angle.

Preferably, the bottom is less than the inside aperture of top sieve in the inside aperture of sieve, and two sets of dust absorption head is located two sieve directly over respectively.

(III) advantageous effects

Compared with the prior art, the invention provides a seed selection device for rice, which has the following beneficial effects:

1. this a seed selection device for rice, setting through box top feeder hopper, the person of being convenient for introduces the material, utilize two vibrating motor function afterwards, thereby make two sieve movements, utilize the setting of two springs, be convenient for make the effect of two sieve vibrations better, then the top sieve carries out the vibration screening for the first time to the material, in the screening process, utilize the fan motion, thereby make the dust absorption in a set of dust absorption head at trachea middle part to the material, the tiny particle debris adsorbs, debris will be blocked, the later stage gets into the inside of blow off pipe, then the material descends to the bottom sieve, utilize a set of dust absorption head on the branch pipe to subsidiary dust in the material afterwards, debris carry out the secondary absorption, debris that is blocked are arranged to the inside of blow off pipe, then the material will continue to drop, utilize the inside salt water that the inside bottom surface of box set up, thereby make the material that accords with the standard subside rapidly, and to the empty shell, the material that the granule is not full and disinsection damage with the deinsectization will float to salt water top to the salt solution, then utilize the diversion pipe to lead the inside of water source and all to the inside of collection box to the right side of collection box, the water source to the filter box, the dust that the drain can utilize the drain pipe to reach standard, the drain the water source to carry out the drain is also can be carried out when the drain pipe, the water source is set up to the filter bag after that the water source is unified to the filter bag.

2. This a seed selection device for rice, through control panel's setting, convenient to use person utilizes control panel to control the inside electrical components of whole device, and is more convenient, utilizes the setting of first observation window, and convenient to use person is more audio-visual the inside behavior of observation box.

3. This a seed selection device for rice through the setting of two mounting grooves, provides installation space for two springs, and two sieve of being convenient for simultaneously can follow two vibrating motor normal motions.

4. This a seed selection device for rice through the setting of three door and three handle of taking, convenient to use person regularly clears up the inside debris of two collecting boxes, transports the use to the inside up to standard material of case that gathers materials, utilizes the setting of second observation window, and convenient to use person observes the circumstances of piling up of the inside material of case that gathers materials.

5. This a seed selection device for rice through the setting of first solenoid valve and second solenoid valve, is convenient for control two blow off pipes and opening and close of arranging the material pipe, and is more convenient, utilizes the setting of two first solenoid valves, can open after whole device finishes using to arrange debris by two blow off pipes to the inside to left side collecting box.

6. This a seed selection device for rice is fan-shaped through the front cross-section of a set of branch flitch to make the material get into inside back dispersion of box more even, thereby make whole device screening effect better.

7. This a seed selection device for rice through the setting of two bellows, is convenient for play the guard action to two mounting grooves, reduces the material and sputters to inside two mounting grooves to play the guard action to two springs.

8. This a seed selection device for rice through the setting of two third solenoid valves, is convenient for control the opening and closing of water injection pipe and drain pipe, utilizes water injection pipe and drain pipe, and convenient to use person regularly supplements, changes the salt water of box inside.

9. This a seed selection device for rice, setting through the flow direction board, can play the layering effect inside the salt solution, can play the guide effect simultaneously when the water source flows, be convenient for not up to standard material is close to the leading water pipe when the water source flows, simultaneously if not up to standard material when falling in-process will not up to standard material cover tape, utilize the ascending inclination of flow direction board dog-ear, can play the effect of upwards guide to not up to standard material, it arranges the inside to the leading water pipe of being convenient for, reduce not up to standard material and take place to leak to arrange, phenomenon such as mistake row, thereby guarantee the screening effect of whole device.

10. This a seed selection device for rice is less than the inside aperture of top sieve through the inside aperture of bottom sieve to reach dual screening effect, filter the rejection one by one to incidental debris in the material, guarantee the screening effect, utilize two sets of dust absorption heads to be located two sieves directly over respectively, thereby be convenient for make the dust absorption effect of two sets of dust absorption heads reach the best.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the inventive structure;

FIG. 3 is an enlarged schematic view of A in FIG. 2 according to the present invention.

The numbering in the figures illustrates:

1. a box body; 101. mounting grooves; 2. a feed hopper; 3. a sieve plate; 4. a vibration motor; 5. a spring; 6. a collection box; 7. a fan; 8. an air tube; 9. a branch pipe; 10. a dust collection head; 11. a blow-off pipe; 12. a water pump; 13. a water conduit; 14. a material collecting box; 15. a discharge pipe; 16. a water conduit; 17. a flow guide pipe; 18. filtering a plate; 19. a filter basket; 20. a control panel; 21. a first observation window; 22. taking the door; 23. a handle; 24. a second observation window; 25. a first solenoid valve; 26. a second solenoid valve; 27. a material distributing plate; 28. a bellows; 29. a water injection pipe; 30. a drain pipe; 31. a third electromagnetic valve; 32. to the plate.

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. 1-3, a seed selection device for rice comprises a box body 1, a feed hopper 2 connected with the top of the box body 1 is fixedly connected with the top of the box body, two sieve plates 3 are hinged in the box body 1, the right sides of the two sieve plates 3 are both penetrated and extended to the right side in the box body 1, vibrating motors 4 are fixedly arranged at the bottoms of the two sieve plates 3, two springs 5 are fixedly connected with the right side in the box body 1, the top ends of the two springs 5 are respectively fixedly connected with the two sieve plates 3, a collecting box 6 is fixedly connected with the left side and the right side of the box body 1, a fan 7 is fixedly arranged at the top of the collecting box 6 at the left side, an air pipe 8 integrally formed with an input end is fixedly connected with the output end, a branch pipe 9 connected with the air pipe 8 is fixedly connected with the middle of the air pipe 8, the bottom end of the air pipe 8 is penetrated and fixedly connected with the inside of the collecting box 6 at the left side, the right ends of the air pipe 8 and the branch pipe 9 are both penetrated and fixedly connected with the inside of the box body, dust absorption heads 10 arranged at the middle of the air pipe 8 and the branch pipe 9, two sewage pipes 11 are fixedly connected with the left side, a water pump 12 fixedly connected with the bottom end of the collecting box body 1, a water pipe 14 fixedly connected with the bottom of the collecting box body 1 and a water tank 14, the bottom surface of the inside of the right collecting box 6 is fixedly connected with a flow guide pipe 17 communicated with the right collecting box 6, the left end of the flow guide pipe 17 penetrates through and is fixedly connected to the inside of the collecting box 14, the inside of the right collecting box 6 is fixedly connected with a filter plate 18, the inside of the collecting box 14 is slidably connected with a filter basket 19, a user can conveniently introduce materials through the arrangement of the feed hopper 2 at the top of the box body 1, then two vibrating motors 4 are utilized to operate, so that two sieve plates 3 move, the arrangement of two springs 5 is utilized, so that the vibrating effect of the two sieve plates 3 is better, then the top sieve plate 3 carries out first vibrating screening on the materials, in the screening process, a fan 7 is utilized to move, so that a group of dust suction heads 10 in the middle of an air pipe 8 can suck dust and small-particle sundries in the materials, the large-particle sundries are blocked, the large-particle sundries enter the inside of a sewage discharge pipe 11 at the later stage, and then the materials fall onto the bottom sieve plate 3, then, a group of dust suction heads 10 on the branch pipes 9 are used for carrying out secondary adsorption on dust and sundries attached to materials, the blocked sundries are discharged to the inside of a sewage discharge pipe 11, then the materials continuously drop, salt water arranged on the bottom surface inside the box body 1 is used, so that the materials meeting the standard are rapidly settled, the materials aiming at empty shells, incomplete particles and insect bite damage float to the top of the salt water, then a water source and the unqualified materials are guided to the inside of the right collecting box 6 by a water guide pipe 16, the unqualified materials can be blocked by a filter plate 18, then the water source is discharged to the inside of a collecting box 14 by a guide pipe 17, meanwhile, the qualified materials can be discharged to the inside of the collecting box 14 by a discharge pipe 15, the qualified materials can be collected by a filter basket 19, and then the water pump 12 is used for operation, thereby make aqueduct 13 with the inside water source of collection workbin 14 take out to the inside of box 1, continue to use, utilize the setting of left side collecting box 6, can collect dust, debris etc. that two blow off pipes 11, trachea 8 and branch pipe 9 were derived, convenient to use person's later stage is unified to be handled.

Further, the front fixed mounting of box 1 has control panel 20, and the front of box 1 is provided with first observation window 21, and through control panel 20's setting, convenient to use person utilizes control panel 20 to control the inside electrical components of whole device, and is more convenient, utilizes the setting of first observation window 21, and convenient to use person is more audio-visual the inside behavior of observation box 1.

Further, two mounting grooves 101 have been seted up on the inside right side of box 1, and two springs 5 are fixed connection to the inside of two mounting grooves 101 respectively, and the right side of two sieve 3 runs through respectively and extends to the inside of two mounting grooves 101, through the setting of two mounting grooves 101, provides installation space for two springs 5, and two sieve 3 of being convenient for simultaneously can follow two vibrating motor 4 normal motions.

Further, two collecting boxes 6 all articulate with the front of the case 14 that gathers materials and have the door 22 of taking, the equal fixedly connected with handle 23 in three front of the door 22 of taking, the front of the case 14 that gathers materials is provided with second observation window 24, through the setting of three door 22 of taking and three handle 23, convenient to use person regularly clears up the inside debris of two collecting boxes 6, the inside up to standard material of case 14 that gathers materials transports the use, utilize the setting of second observation window 24, convenient to use person observes the condition of piling up of the inside material of case 14 that gathers materials.

Further, the equal fixed mounting in middle part of two blow off pipes 11 has first solenoid valve 25, and the middle part fixed mounting who arranges material pipe 15 has second solenoid valve 26, through the setting of first solenoid valve 25 with second solenoid valve 26, is convenient for control two blow off pipes 11 and opening and close of arranging material pipe 15, and is more convenient, utilizes the setting of two first solenoid valves 25, can open after whole device finishes using to arrange debris by two blow off pipes 11 to the inside of left side collecting box 6.

Further, the inside fixedly connected with of box 1 divides flitch 27 a set of, and the positive cross-section that divides flitch 27 a set of is the fan-shaped, is the fan-shaped through the positive cross-section that divides flitch 27 a set of to it is more even to make the material get into the inside back dispersion of box 1, thereby makes whole device screening effect better.

Further, the outside of two sieve plates 3 all is equipped with bellows 28 rather than fixed connection, and the equal fixed connection of two bellows 28 is to the inside right side of box 1, through the setting of two bellows 28, is convenient for play the guard action to two mounting grooves 101, reduces inside the material sputter to two mounting grooves 101 to play the guard action to two springs 5.

Further, the right side of box 1 is fixedly connected with water injection pipe 29 and drain pipe 30 rather than the intercommunication respectively, and the equal fixed mounting in middle part of water injection pipe 29 and drain pipe 30 has third solenoid valve 31, through the setting of two third solenoid valves 31, is convenient for control opening and close of water injection pipe 29 and drain pipe 30, utilizes water injection pipe 29 and drain pipe 30, and convenient to use person regularly supplements, changes the inside salt water of box 1.

Further, the inside left side fixedly connected with flow direction board 32 of box 1, flow direction board 32's right side integrated into one piece has the dog-ear, setting through flow direction board 32, can play the layering effect inside the salt solution, can play the guide effect simultaneously when the water source flows, be convenient for not up to standard material is close to leading pipe 16 when the water source flows, simultaneously if up to standard material when descending the in-process will not up to standard material cover belt under, utilize the ascending inclination of flow direction board 32 dog-ear, can play the effect of upwards guide to not up to standard material, it arranges the inside to leading pipe 16 to be convenient for, it takes place to leak to arrange to reduce not up to standard material, phenomenon such as mistake row, thereby guarantee the screening effect of whole device.

Further, 3 inside apertures of bottom sieve are less than 3 inside apertures of top sieve, two sets of dust absorption heads 10 are located two sieves 3 respectively directly over, be less than 3 inside apertures of top sieve through 3 inside apertures of bottom sieve, thereby reach dual screening effect, carry out the screening rejection one by one to subsidiary debris in the material, guarantee the screening effect, utilize two sets of dust absorption heads 10 to be located two sieves 3 respectively directly over, thereby be convenient for make the dust absorption effect of two sets of dust absorption heads 10 reach the best.

It should be noted that, all the devices in the present application are common devices in the market, and can be selected according to requirements when in specific use, and the circuit connection relationship of each device belongs to a simple series and parallel connection circuit, and there is no innovation point in the circuit connection, and those skilled in the art can implement the method easily, and belong to the prior art, and are not described again.

The working principle is as follows: through the arrangement of the control panel 20, a user can conveniently control electrical elements in the whole device by using the control panel 20, the operation condition in the box body 1 can be more intuitively observed by using the arrangement of the first observation window 21, the material can be conveniently introduced by using the arrangement of the feed hopper 2 at the top of the box body 1, the material can be conveniently introduced by using the user, the front cross section of the group of material distributing plates 27 is in a fan shape, so that the material can be more uniformly dispersed after entering the box body 1, the screening effect of the whole device is better, then the two vibrating motors 4 are used for operating, so that the two sieve plates 3 can move, the vibrating effect of the two sieve plates 3 is better by using the arrangement of the two springs 5, the installation space is provided for the two springs 5 by using the arrangement of the two installation grooves 101, and meanwhile, the two sieve plates 3 can conveniently move normally along with the two vibrating motors 4, by utilizing the arrangement of the two corrugated pipes 28, the two mounting grooves 101 are conveniently protected, the sputtering of materials into the two mounting grooves 101 is reduced, so that the two springs 5 are protected, then the top sieve plate 3 performs primary vibration screening on the materials, in the screening process, the fan 7 is utilized to move, so that the group of dust suction heads 10 in the middle of the air pipe 8 can suck dust and small-particle impurities in the materials, large-particle impurities are blocked and enter the blow-off pipe 11 in the later period, then the materials descend onto the bottom sieve plate 3, then the group of dust suction heads 10 on the branch pipe 9 are utilized to secondarily adsorb dust and impurities attached to the materials, and the aperture in the bottom sieve plate 3 is smaller than that in the top sieve plate 3, so that a double screening effect is achieved, the attached impurities in the materials are successively screened and removed, and the screening effect is ensured, two groups of dust suction heads 10 are respectively positioned right above two sieve plates 3, so that the dust suction effect of the two groups of dust suction heads 10 is optimal, blocked sundries are discharged to the inside of a drain pipe 11, then materials continuously fall, salt water arranged on the bottom surface inside a box body 1 is utilized, so that the materials meeting the standard are rapidly settled, the materials which are not full of particles and damaged by insects float to the top of the salt water, a flow direction plate 32 is arranged to play a layering effect inside the salt water, a guide effect can be played when the water source flows, so that the materials which do not meet the standard are close to a water guide pipe 16 when the water source flows, meanwhile, if the materials which meet the standard cover the belt during the falling process, the materials which do not meet the standard are folded by an upward inclination angle of the flow direction plate 32 when the materials which meet the standard cover the belt, an upward guide effect can be played for the materials which do not meet the standard to be discharged to the inside of the water guide pipe 16, the phenomena of leaking discharge, misdischarge and the like of the materials which do not meet the standard are discharged to the inside the water guide pipe 16 are reduced, so that the materials which meet the standard leak, the water are discharged to a drain box 14, a water collection box is conveniently carried out by a water guide pipe 16, a water guide pipe 14, a water collection basket 15, a water collection box is conveniently arranged to control a second collection box, a water collection box 14, a water collection box 16 is conveniently arranged to control the collection box, and a water collection box 14, and a water collection box 16, and a water collection box 14, and a water collection box 16, can open after whole device finishes using, thereby arrange debris to the inside to left side collecting box 6 by two blow off pipes 11, the unified processing in convenient to use person's later stage, setting through three door 22 and three handle 23 of taking, convenient to use person regularly clears up the inside debris of two collecting boxes 6, transport the use to the inside up to standard material of collection workbin 14, utilize the setting of second observation window 24, convenient to use person observes the condition of piling up of the inside material of collection workbin 14, setting through two third solenoid valves 31, be convenient for control the opening and close of water injection pipe 29 and drain pipe 30, utilize water injection pipe 29 and drain pipe 30, convenient to use person regularly supplements the saline water of box 1 inside, change, whole device, can be to the vacant shell in the rice, the granule is not full and the rice that the moth gnaws the damage screens and rejects, guarantee the screening effect, promote the efficiency of selecting seeds, can be to incidental debris in the rice in the screening process simultaneously, the dust etc. carry out effectual centralized collection processing, reduce staff's work.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A seed selection device for rice, includes box (1), its characterized in that: the box is characterized in that the top of the box body (1) is fixedly connected with a feed hopper (2) communicated with the box body, the inside of the box body (1) is hinged with two sieve plates (3), the right sides of the two sieve plates (3) penetrate through and extend to the right side of the inside of the box body (1), the bottoms of the two sieve plates (3) are fixedly mounted with a vibrating motor (4), the right side of the inside of the box body (1) is fixedly connected with two springs (5), the top ends of the two springs (5) are respectively and fixedly connected with the two sieve plates (3), the left side and the right side of the box body (1) are respectively and fixedly connected with a collecting box (6), the left side is fixedly connected with a fan (7) at the top part of the collecting box (6), the output end and input end of the fan (7) are fixedly connected with an integrally formed air pipe (8), the middle part of the air pipe (8) is fixedly connected with a branch pipe (9) communicated with the air pipe (8), the bottom end of the air pipe (8) penetrates through and is fixedly connected with the inside of the collecting box body (6), the air pipe (8) and the right end of the branch pipe (9) penetrates through and is fixedly connected with the inside of the box body (1), the middle part of the air pipe (8) and the branch pipe (9) and the left side is fixedly connected with two dust collecting pipe (11) arranged at the left side, the left side of the box body (11) and the dust exhaust pipe (11) and the left side of the sewage pipe (11) are fixedly connected with the sewage pipe (10), the bottom end of the blow-off pipe (11) on the left side penetrates through and is fixedly connected to the inside of the left collecting box (6), the bottom of the collecting box (6) on the left side is fixedly provided with a water pump (12), the output end and the input end of the water pump (12) are fixedly connected with an integrally formed water guide pipe (13), the bottom of the box (1) is fixedly connected with a material collecting box (14), the water guide pipe (13) penetrates through and is fixedly connected to the inside of the box (1) and the material collecting box (14), the bottom surface of the inside of the box (1) is fixedly connected with a discharging pipe (15), the bottom end of the discharging pipe (15) penetrates through and extends to the inside of the material collecting box (14), the right side of the inside of the box (1) is fixedly connected with a water guide pipe (16), the bottom end of the water guide pipe (16) penetrates through and is fixedly connected to the inside of the right collecting box (6), the bottom surface of the inside of the right side of the collecting box (6) is fixedly connected with a guide pipe (17) communicated with the same, the left end of the guide pipe (17) penetrates through and is fixedly connected to the inside of the material collecting box (14), the right side of the collecting box (6) is fixedly connected with a filter plate (19) in a sliding manner;

a group of material distributing plates (27) are fixedly connected inside the box body (1), and the sections of the front surfaces of the group of material distributing plates (27) are in a fan shape;

a flow direction plate (32) is fixedly connected to the left side of the interior of the box body (1), and a bevel is integrally formed on the right side of the flow direction plate (32);

the setting of flow direction board (32), can play the layering effect inside the salt solution, can play the guide effect simultaneously when the water source flows, be convenient for not up to standard material is close to leading water pipe (16) when the water source flows, simultaneously if material up to standard will not up to standard material cover tape down time in-process that descends, utilize flow direction board (32) dog-ear ascending inclination, can play the effect of upwards guide to not up to standard material, be convenient for it arrange to the inside of leading water pipe (16).

2. A seed selection apparatus for rice as claimed in claim 1, wherein: the front face of the box body (1) is fixedly provided with a control panel (20), and the front face of the box body (1) is provided with a first observation window (21).

3. A seed selection device for rice as claimed in claim 1, wherein: two mounting grooves (101) have been seted up on the inside right side of box (1), two spring (5) fixed connection respectively is to the inside of two mounting grooves (101), two the right side of sieve (3) runs through respectively and extends to the inside of two mounting grooves (101).

4. A seed selection apparatus for rice as claimed in claim 1, wherein: two the front of collecting box (6) and case (14) that gathers materials all articulates there is door (22) of taking, three the front of door (22) of taking all fixedly connected with handle (23), the front of case (14) that gathers materials is provided with second observation window (24).

5. A seed selection apparatus for rice as claimed in claim 1, wherein: two the equal fixed mounting in middle part of blow off pipe (11) has first solenoid valve (25), the middle part fixed mounting of arranging blow off pipe (15) has second solenoid valve (26).

6. A seed selection device for rice as claimed in claim 1, wherein: two the outside of sieve (3) all is equipped with bellows (28) rather than fixed connection, two bellows (28) all fixed connection to the inside right side of box (1).

7. A seed selection apparatus for rice as claimed in claim 1, wherein: the right side of box (1) is fixedly connected with water injection pipe (29) and drain pipe (30) rather than the intercommunication respectively, the equal fixed mounting in middle part of water injection pipe (29) and drain pipe (30) has third solenoid valve (31).

8. A seed selection apparatus for rice as claimed in claim 1, wherein: the bottom the inside aperture of sieve (3) is less than the inside aperture of top sieve (3), and is two sets of dust absorption head (10) are located two sieve (3) directly over respectively.