CN115193684B - Agricultural crop germplasm resource centrifugal screening device and screening method - Google Patents
Agricultural crop germplasm resource centrifugal screening device and screening method Download PDFInfo
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- CN115193684B CN115193684B CN202210874449.5A CN202210874449A CN115193684B CN 115193684 B CN115193684 B CN 115193684B CN 202210874449 A CN202210874449 A CN 202210874449A CN 115193684 B CN115193684 B CN 115193684B
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- 238000012216 screening Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000009313 farming Methods 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 239000013641 positive control Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4636—Regulation of screen apertures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/522—Cleaning with brushes or scrapers with brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/55—Cleaning with fluid jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Landscapes
- Centrifugal Separators (AREA)
Abstract
The invention discloses a centrifugal screening device for agricultural crop germplasm resources, which comprises a main body, wherein the main body is of a cylindrical structure, a cavity is formed in the main body, and a chamfer is formed on the surface of the main body; the funnel is arranged in the upper end port of the main body, is coaxial with the main body and is provided with a discharging mechanism; and the first filter screen is arranged on the outer side of the main body. The agricultural crop germplasm resource centrifugal screening device and the screening method are provided with the classifying screening mechanism, and due to the arrangement of the motor, the rotating shaft and the barrel, the motor can be utilized to drive the barrel to rotate, so that germplasm resources inside the barrel enter different cavities through meshes under the action of centrifugal force to finish screening, in addition, the parameters of parts inside the device are convenient to adjust, the elasticity of the spring and the size of the mesh can be changed according to different conditions, different screening effects are obtained, the germplasm resources with different qualities and different volumes are screened, and the practicability is improved.
Description
Technical Field
The invention relates to the technical field of screening devices, in particular to a centrifugal screening device and a screening method for agricultural crop germplasm resources.
Background
The germplasm resources are also called genetic resources, the germplasm refers to genetic materials transferred from organism parents to offspring, the genetic materials often exist in specific varieties, such as old local varieties, newly cultivated popularization varieties, important genetic materials and wild related plants, all belong to the range of germplasm resources, in order to conveniently screen germplasm resources of different varieties or different sizes, a screening device is needed, manual selection is not needed, the labor intensity of users is greatly reduced, the efficiency is improved, but the existing germplasm resource screening device has the following defects:
the utility model discloses a seawater rice germplasm sieving mechanism of publication No. CN211726552U, it lacks a hierarchical screening mechanism, leads to the device unable to carry out more careful screening to different types of seawater rice seeds, and its screening effect is relatively poor, can't screen to the germplasm resource of different weight, different volumes, and traditional screening plant is inconvenient to deposit the germplasm resource, and it is polluted in the screening in-process easily sputters the device outside, therefore the practicality is not high.
Therefore, we propose a centrifugal screening device and screening method for agricultural germplasm resources so as to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a centrifugal screening device and a screening method for agricultural crop germplasm resources, which are used for solving the problems of lack of a classifying screening mechanism and poor screening effect in the current market, which are proposed by the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a farming germplasm resources centrifugal screening device, includes the main part, and its appearance is cylindrical structure, the cavity has been seted up to the inside of main part, and the surface of main part is provided with the chamfer;
the funnel is arranged in the upper end port of the main body, is coaxial with the main body and is provided with a discharging mechanism;
the first filter screens are arranged on the outer side of the main body, the number of the first filter screens is 6, and the first filter screens are provided with primary screening mechanisms;
the outer boxes are arranged on the outer side of the main body, 6 outer boxes are arranged, and the outer boxes are provided with limiting mechanisms;
a rotary drum which is arranged in the outer box, the appearance of the rotary drum is of a cylindrical structure, and the rotary drum is provided with a secondary screening mechanism;
the bottom plate is arranged at the lower end of the main body, the shape of the bottom plate is a disc-shaped structure, and the bottom plate is provided with a gear meshing mechanism;
the servo motor is arranged in the cylinder at the upper end of the bottom plate, the servo motor is connected with the cylinder through a bolt, and the servo motor is provided with a transmission mechanism;
the supporting leg is arranged below the bottom plate, and the supporting leg is provided with an anti-seismic mechanism.
Adopt above-mentioned technical scheme can make the device possess hierarchical screening mechanism, owing to set up motor, pivot and barrel, can utilize the motor to drive the barrel and rotate for the inside germplasm resource of barrel is in the different chamber of mesh entering under centrifugal force effect, accomplishes the screening, is provided with limit baffle simultaneously, can carry out spacingly to the germplasm resource that gets into the barrel, avoids it to be thrown out outside the device because of the rotational speed is too high, has increased the practicality.
As a preferred technical scheme of the invention, the discharging mechanism of the hopper comprises:
the external thread is arranged on the lower end surface of the funnel, the external thread and an internal thread groove of the inner wall of the port form a threaded connection mechanism, and a cone is arranged right below the port.
Adopt above-mentioned technical scheme can make the device possess unloading mechanism, adopt the screw thread mode to connect funnel and port, can facilitate the use person to dismantle the funnel and change, the germplasm resource falls into main part bottom along the cone, accomplishes the unloading.
As a preferred technical solution of the present invention, the primary screening mechanism of the first filter screen includes:
the fixed block is arranged on the surface of the main body through a bolt, and is connected with the sliding rod which is a circular arc rod;
the baffle is of an arc plate-shaped structure, the baffle is connected with the sliding rod in a sliding mode, and the area of the baffle is larger than that of the first filter screen;
and the spring I is connected between the baffle and the fixed block.
Adopt above-mentioned technical scheme can make the device possess preliminary screening mechanism, and a filter screen is used for sieving the germplasm resource of different volumes, and baffle and a spring mutually support, can be when not rotating, the baffle blocks up a filter screen under the elasticity of a spring, avoids germplasm resource oozing a filter screen, has increased the stability of structure.
As a preferred technical solution of the present invention, the limit mechanism of the outer case includes:
the connecting plate is connected to the inner wall of the outer box, the connecting plate is connected with the rotating plate through a rotating shaft, and the rotating plate and the connecting plate are in elastic connection through a second spring.
Adopt above-mentioned technical scheme can make the device possess stop gear, in the germplasm resource got into the outer case through the mesh to fall into on the rotor plate under the slope guide of connecting plate, the gravity oppression rotor plate of germplasm resource is rotatory, thereby makes the opening open, and germplasm resource falls into in the rotary drum.
As a preferred embodiment of the present invention, the secondary screening mechanism of the drum includes:
the second filter screen is arranged on the lower end surface of the rotary drum, a partition plate is arranged in the outer box, and a circular groove formed in the partition plate is matched with the outer side of the rotary drum;
the first rotating shaft is connected to the lower end of the rotary drum, and the first rotating shaft and the outer box are in rotary connection through a bearing.
Adopt above-mentioned technical scheme can make the device possess secondary screening mechanism, under the effect of centrifugal force, the heavier germplasm resource of quality is thrown away No. two filter screens and falls into outer bottom of the case, has accomplished secondary screening, has increased the practicality.
As a preferred embodiment of the present invention, the gear engagement mechanism of the base plate includes:
the gear groove is formed in the upper end surface of the bottom plate, the gear groove is of a circular groove structure, and gears are arranged on the inner wall of the gear groove;
the gear groove, the gear of its inner wall and the gear of the first pivot bottom constitute the gear engagement mechanism.
By adopting the technical scheme, the device is provided with the gear meshing mechanism, and along with the rotation of the main body, the gear at the lower end of the first rotating shaft is continuously meshed and driven along the gear groove in the bottom plate, and the gear drives the first rotating shaft to rotate due to the fact that the gear groove is fixed.
As a preferred technical solution of the present invention, the transmission mechanism of the servo motor includes:
the bevel gear set is connected to the left end of the servo motor, the servo motor and the second rotating shaft form a rotating mechanism through the bevel gear set, and the upper end of the second rotating shaft is connected with the main body;
the support balls are arranged at the upper end of the cylinder, 4 support balls are arranged in total, and the support balls and the bottom of the main body form a rolling mechanism.
Adopt above-mentioned technical scheme can make the device possess drive mechanism, and operating cylinder positive control panel starts servo motor, and servo motor passes through bevel gear group and drives the rotation of second pivot, and then drives the main part and rotate, because the main part is bulky, only is difficult to maintain balanced not to incline by the second pivot, so set up and support ball support main part bottom, increased the stability of structure.
As a preferred embodiment of the present invention, the vibration-resistant mechanism of the support leg includes:
the spring rod is arranged on the outer side of the bottom plate, the spring rod and the bottom plate form elastic connection, and the bottom end of the spring rod is connected with the upper end plate of the supporting leg.
By adopting the technical scheme, the device is provided with the anti-vibration and noise-reduction mechanism, and because the servo motor generates larger vibration when rotating the main body, larger noise can be generated on the ground of the device, the spring rod is arranged to absorb the vibration, so that the noise is reduced.
As a preferable technical scheme of the invention, the outer box is further provided with:
the brush board, it installs the upper and lower side of the inside baffle of outer case, the baffle upper end still is provided with the shower nozzle, and the shower nozzle passes through pipe and pump with the water tank that the baffle upper end set up and links to each other.
Adopt above-mentioned technical scheme can make the device possess self-cleaning mechanism, through setting up the brush board, can utilize the rotation of rotary drum constantly to contact with the brush board, utilize the brush board to clean rotary drum surface, can open shower nozzle cooperation brush board and clean rotary drum surface if necessary, avoid the rotary drum to use for a long time, the surface spot is more, need not artifical manual cleaning, has reduced user's intensity of labour, has increased the practicality.
As a preferable technical scheme of the invention, the screening method of the agricultural crop germplasm resource centrifugal screening device comprises the following steps:
firstly, pouring a germplasm resource to be treated into an internal cavity of a main body through a funnel at the upper end of the main body, wherein the lower end of a port is provided with the same structure as a rotating plate, and when the germplasm resource falls onto the rotating plate, the germplasm resource is pressed to rotate, so that the port is opened, and the germplasm resource falls into the bottom end of the main body along a cone to finish feeding;
secondly, a control panel on the front surface of the operation cylinder starts a servo motor, the servo motor drives a second rotating shaft to rotate through a bevel gear set, and then drives a main body to rotate, and the main body rotates clockwise in a overlooking view;
thirdly, when the main body rotates, germplasm resources are thrown on the inner wall of the main body under the action of centrifugal force, the germplasm resources are attached to a first filter screen, the speed of the main body is higher and higher along with the continuous increase of the rotating speed of a servo motor, when the speed of the main body reaches a certain value, a baffle compresses a first spring under the action of inertia, so that the baffle releases the shielding of the first filter screen, the germplasm resources attached to the first filter screen enter an outer box through meshes, fall onto a rotating plate under the guidance of a slope of a connecting plate, the gravity of the germplasm resources presses the rotating plate to rotate, an opening is opened, the germplasm resources fall into the rotating cylinder, the germplasm resources left in the main body are lighter varieties, primary screening is completed, the relationship between the centrifugal force and the quality is utilized, the germplasm resources of different varieties are different in quality, the centrifugal force born by the germplasm resources with relatively heavier quality is larger, the germplasm resources can be thrown on the inner wall of the main body preferentially, and the germplasm resources with lighter quality need to obtain the centrifugal force which is enough to be thrown on the inner wall of the main body;
fourth step, along with the rotation of main part, the gear of first pivot lower extreme is along the gear groove continuous meshing transmission in the bottom plate for the gear drives first pivot rotation, and then drives the rotary drum rotation, and under the effect of centrifugal force, the heavier germplasm resource of quality is thrown out No. two filter screens and falls into outer bottom of the case, has accomplished secondary screening.
And fifthly, a control panel on the surface of the cylinder is operated to close a power supply, after the main body is stopped, the doors on the surfaces of the main body and the outer box are opened, and the screened germplasm resources are taken out.
Compared with the prior art, the invention has the beneficial effects that:
1. the agricultural crop germplasm resource centrifugal screening device is provided with the grading screening mechanism, and due to the arrangement of the motor, the rotating shaft and the barrel, the motor can be utilized to drive the barrel to rotate, so that germplasm resources inside the barrel enter different cavities through meshes under the action of centrifugal force to finish screening;
2. this farming germplasm resources centrifugal screening device is provided with limit baffle, can carry out spacingly to the germplasm resources that gets into the barrel, avoids it to be thrown out outside the device because of the rotational speed is too high, and the device surface is provided with the door, takes out different germplasm resources after being convenient for sieve, has increased the practicality.
Drawings
FIG. 1 is a schematic view of the main section structure of the present invention;
FIG. 2 is a schematic view of a front view of a part of the structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of the present invention in a top-down configuration;
FIG. 5 is a schematic top view of the base plate of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 4A according to the present invention;
fig. 7 is an enlarged schematic view of the structure of fig. 1B according to the present invention.
In the figure: 1. a main body; 2. a funnel; 3. a port; 4. a cone; 5. a first filter screen; 6. a fixed block; 7. a slide bar; 8. a baffle; 9. a first spring; 10. an outer case; 11. a connecting plate; 12. a rotating plate; 13. a second spring; 14. a rotating drum; 15. a second filter screen; 16. a partition plate; 1601. a brush plate; 1602. a spray head; 1603. a built-in water tank; 17. a first rotating shaft; 18. a gear; 19. a bottom plate; 20. a gear groove; 21. a cylinder; 22. a servo motor; 23. a bevel gear set; 24. a second rotating shaft; 25. supporting the balls; 26. a spring rod; 27. and (5) supporting legs.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a farming germplasm resources centrifugation sieving mechanism, includes that main part 1 appearance is cylindrical structure, and the cavity has been seted up to the inside of main part 1, and the surface of main part 1 is provided with the chamfer; the funnel 2 is arranged in the upper end port 3 of the main body 1, the funnel 2 is coaxial with the main body 1, and the funnel 2 is provided with a blanking mechanism; the unloading mechanism of funnel 2 includes: the external thread is arranged on the lower end surface of the funnel 2, the external thread and an internal thread groove on the inner wall of the port 3 form a threaded connection mechanism, and a cone 4 is arranged right below the port 3;
the first filter screen 5 is arranged on the outer side of the main body 1, 6 first filter screens 5 are arranged, and the first filter screen 5 is provided with a primary screening mechanism; the primary screening mechanism of the first filter screen 5 includes: the fixed block 6 is arranged on the surface of the main body 1 through a bolt, the fixed block 6 is connected with the sliding rod 7, and the sliding rod 7 is a circular arc rod; the baffle plate 8 is of an arc plate-shaped structure, the baffle plate 8 is connected with the sliding rod 7 in a sliding mode, and the area of the baffle plate 8 is larger than that of the first filter screen 5; the first spring 9 is connected between the baffle 8 and the fixed block 6, so that the device is provided with a preliminary screening mechanism, the first filter screen 5 is used for screening germplasm resources with different volumes, the baffle 8 and the first spring 9 are mutually matched, the baffle 8 can block the first filter screen 5 under the elasticity of the first spring 9 when the device does not rotate, the germplasm resources are prevented from seeping out of the first filter screen 5, and the stability of the structure is improved;
the outer boxes 10 are arranged on the outer side of the main body 1, 6 outer boxes 10 are arranged, and the outer boxes 10 are provided with limiting mechanisms; the limit mechanism of the outer case 10 includes: the connecting plate 11 is connected to the inner wall of the outer box 10, the connecting plate 11 is connected with the rotating plate 12 through a rotating shaft, and elastic connection is formed between the rotating plate 12 and the connecting plate 11 through a second spring 13, so that the device is provided with a limiting mechanism, germplasm resources enter the outer box 10 through meshes and fall onto the rotating plate 12 under the guidance of a slope of the connecting plate 11, the gravity of the germplasm resources presses the rotating plate 12 to rotate, an opening is opened, and the germplasm resources fall into the rotating drum 14;
the rotary drum 14 is arranged inside the outer box 10, the rotary drum 14 has a cylindrical shape, and the rotary drum 14 is provided with a secondary screening mechanism; the secondary screening mechanism of the drum 14 includes: the second filter screen 15 is arranged on the lower end surface of the rotary drum 14, a partition plate 16 is arranged in the outer box 10, and a circular groove formed in the partition plate 16 is matched with the outer side of the rotary drum 14; the first rotating shaft 17 is connected to the lower end of the rotating drum 14, and the first rotating shaft 17 and the outer box 10 are in rotary connection through a bearing, so that the device is provided with a secondary screening mechanism, and under the action of centrifugal force, the seed resources with heavy mass are thrown out of the second filter screen 15 to fall into the bottom end of the outer box 10, secondary screening is completed, and the practicability is improved;
the bottom plate 19 is arranged at the lower end of the main body 1, the bottom plate 19 is in a disc-shaped structure, and the bottom plate 19 is provided with a gear meshing mechanism; the gear engagement mechanism of the base plate 19 includes: the gear groove 20 is formed in the upper end surface of the bottom plate 19, the gear groove 20 is of a circular groove structure, and gears are arranged on the inner wall of the gear groove 20; the gear on the inner wall of the gear groove 20 and the gear 18 on the bottom end of the first rotating shaft 17 form a gear meshing mechanism, so that the device is provided with the gear meshing mechanism, and along with the rotation of the main body 1, the gear 18 on the lower end of the first rotating shaft 17 continuously meshes with the gear groove 20 in the bottom plate 19 for transmission, and the gear 18 drives the first rotating shaft 17 to rotate and further drives the rotating drum 14 to rotate due to the fact that the gear groove 20 is fixed;
the servo motor 22 is arranged in a cylinder 21 at the upper end of the bottom plate 19, the servo motor 22 is connected with the cylinder 21 through a bolt, and the servo motor 22 is provided with a transmission mechanism; the transmission mechanism of the servo motor 22 includes: the bevel gear set 23 is connected to the left end of the servo motor 22, the servo motor 22 and the second rotating shaft 24 form a rotating mechanism through the bevel gear set 23, and the upper end of the second rotating shaft 24 is connected with the main body 1; the supporting balls 25 are arranged at the upper end of the cylinder 21, 4 supporting balls 25 are arranged in total, and the supporting balls 25 and the bottom of the main body 1 form a rolling mechanism, so that the device is provided with a transmission mechanism, a control panel on the front surface of the cylinder 21 is operated to start the servo motor 22, the servo motor 22 drives the second rotating shaft 24 to rotate through the bevel gear group 23 so as to drive the main body 1 to rotate, and the main body 1 is large in volume and difficult to maintain balance and not incline only by the second rotating shaft 24, so that the supporting balls 25 are arranged to support the bottom end of the main body 1, and the stability of the structure is improved;
the support legs 27 are arranged below the bottom plate 19, and the support legs 27 are provided with an anti-vibration mechanism; the shock-resistant mechanism of the support leg 27 includes: the spring rod 26 is arranged on the outer side of the bottom plate 19, the spring rod 26 and the bottom plate 19 form elastic connection, and the bottom end of the spring rod 26 is connected with the upper end plate of the supporting leg 27, so that the device is provided with an anti-vibration and noise reduction mechanism, and as larger vibration can be generated when the servo motor 22 rotates the main body 1, larger noise can be generated on the ground of the device, the spring rod 26 is arranged to absorb the vibration and reduce the noise;
the brush plate 1601 is arranged on the upper side and the lower side of the partition plate 16 in the outer box 10, the upper end of the partition plate 16 is also provided with a spray head 1602, and the spray head 1602 is connected with a water tank 1603 arranged on the upper end of the partition plate 16 through a guide pipe and a pump, so that the device is provided with an automatic cleaning mechanism, through the arrangement of the brush plate 1601, the rotation of the rotary drum 14 can be continuously contacted with the brush plate 1601, the surface of the rotary drum 14 can be cleaned by utilizing the brush plate 1601, and if necessary, the spray head 1602 can be started to be matched with the brush plate 1601 to clean the surface of the rotary drum 14, so that the rotary drum 14 is prevented from being used for a long time, more surface stains are needed, manual cleaning is not needed, the labor intensity of a user is reduced, and the practicability is improved;
example 2:
the conveyor belt can be erected at the upper end of the funnel 2, and the germplasm resources are conveyed into the funnel 2 by the conveyor belt and then poured into the main body 1, so that the working efficiency is improved, and the labor intensity of a user is reduced.
A screening method of a agricultural crop germplasm resource centrifugal screening device comprises the following steps:
firstly, pouring a germplasm resource to be treated into an internal cavity of a main body 1 through a funnel 2 at the upper end of the main body 1, wherein the lower end of a port 3 is provided with the same structure as a rotating plate 12, and when the germplasm resource falls onto the rotating plate 12, the germplasm resource is pressed to rotate, so that the port 3 is opened, and the germplasm resource falls into the bottom end of the main body 1 along a cone 4 to finish feeding;
secondly, a control panel on the front surface of the operation cylinder 21 starts a servo motor 22, and the servo motor 22 drives a second rotating shaft 24 to rotate through a bevel gear set 23 so as to drive the main body 1 to rotate, and the steering direction of the main body 1 is clockwise in a overlook view;
thirdly, when the main body 1 rotates, germplasm resources are thrown on the inner wall of the main body 1 under the action of centrifugal force, the germplasm resources are attached to a first filter screen 5, along with the continuous increase of the rotating speed of a servo motor 22, the speed of the main body 1 is faster and faster, when the speed of the main body 1 reaches a certain value, a first spring 9 is compressed by a baffle plate 8 under the action of inertia, so that the baffle plate 8 releases the shielding of the first filter screen 5, the germplasm resources attached to the first filter screen 5 enter an outer box 10 through meshes, fall onto a rotating plate 12 under the guidance of a slope of a connecting plate 11, the gravity of the germplasm resources presses the rotating plate 12 to rotate, so that an opening is opened, the germplasm resources fall into the rotating plate 14, the germplasm resources left in the main body 1 are of lighter varieties, primary screening is completed, centrifugal force and mass relations are utilized, the germplasm resources of different varieties are subjected to larger centrifugal force, the germplasm resources with heavier masses are thrown on the inner wall of the main body 1 preferentially, and the germplasm resources with lighter masses need to be higher centrifugal force to obtain the rotating speed enough to be thrown on the inner wall of the main body 1;
fourth, along with the rotation of the main body 1, the gear 18 at the lower end of the first rotating shaft 17 is continuously meshed and driven along the gear groove 20 in the bottom plate 19, and the gear groove 20 is fixed, so that the gear 18 drives the first rotating shaft 17 to rotate, and then drives the rotating drum 14 to rotate, and under the action of centrifugal force, the germplasm resource with heavier mass is thrown out of the second filter screen 15 and falls into the bottom end of the outer box 10, and secondary screening is completed.
And fifthly, a control panel on the surface of the cylinder 21 is operated to close a power supply, after the main body 1 is stopped, the doors on the surfaces of the main body 1 and the outer box 10 are opened, and the screened germplasm resources are taken out.
To complete a series of work, and what is not described in detail in this specification is prior art that is well known to those skilled in the art.
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 characteristics 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 (6)
1. The agricultural crop germplasm resource centrifugal screening device comprises a main body (1), wherein the main body is of a cylindrical structure, a cavity is formed in the main body (1), and a chamfer is formed in the surface of the main body (1);
the method is characterized in that:
the funnel (2) is arranged in the upper end port (3) of the main body (1), the funnel (2) is coaxial with the main body (1), and the funnel (2) is provided with a blanking mechanism;
the first filter screens (5) are arranged on the outer side of the main body (1), 6 first filter screens (5) are arranged, and the first filter screens (5) are provided with a primary screening mechanism;
the outer boxes (10) are arranged on the outer side of the main body (1), 6 outer boxes (10) are arranged, and the outer boxes (10) are provided with limiting mechanisms;
a drum (14) arranged inside the outer box (10), the drum (14) having a cylindrical shape, and the drum (14) being provided with a secondary screening mechanism;
the bottom plate (19) is arranged at the lower end of the main body (1), the bottom plate (19) is of a disc-shaped structure, and the bottom plate (19) is provided with a gear meshing mechanism;
the servo motor (22) is arranged in a cylinder (21) at the upper end of the bottom plate (19), the servo motor (22) is connected with the cylinder (21) through a bolt, and the servo motor (22) is provided with a transmission mechanism;
a support leg (27) provided below the bottom plate (19), the support leg (27) being provided with an anti-vibration mechanism;
the preliminary screening mechanism of the first filter screen (5) comprises:
the fixed block (6) is arranged on the surface of the main body (1) through a bolt, the fixed block (6) is connected with the sliding rod (7), and the sliding rod (7) is a circular arc rod;
the baffle (8) is of an arc plate-shaped structure, the baffle (8) is connected with the sliding rod (7) in a sliding mode, and the area of the baffle (8) is larger than that of the first filter screen (5);
a spring I (9) connected between the baffle plate (8) and the fixed block (6);
the secondary screening mechanism of the drum (14) comprises:
the second filter screen (15) is arranged on the lower end surface of the rotary drum (14), a partition plate (16) is arranged in the outer box (10), and a circular groove formed in the partition plate (16) is matched with the outer side of the rotary drum (14);
a first rotating shaft (17) connected to the lower end of the drum (14), the first rotating shaft (17) and the outer box (10) being rotatably connected by a bearing;
the gear engagement mechanism of the base plate (19) includes:
the gear groove (20) is formed in the upper end surface of the bottom plate (19), the gear groove (20) is of a circular groove structure, and gears are arranged on the inner wall of the gear groove (20);
a gear groove (20), wherein a gear on the inner wall of the gear groove and a gear (18) at the bottom end of the first rotating shaft (17) form a gear meshing mechanism;
the transmission mechanism of the servo motor (22) comprises:
the bevel gear set (23) is connected to the left end of the servo motor (22), the servo motor (22) and the second rotating shaft (24) form a rotating mechanism through the bevel gear set (23), and the upper end of the second rotating shaft (24) is connected with the main body (1);
support balls (25) provided at the upper end of the cylindrical body (21), 4 support balls (25) being provided in total, and the support balls (25) and the bottom of the main body (1) constituting a rolling mechanism;
the transmission mechanism of the servo motor (22) comprises:
the bevel gear set (23) is connected to the left end of the servo motor (22), the servo motor (22) and the second rotating shaft (24) form a rotating mechanism through the bevel gear set (23), and the upper end of the second rotating shaft (24) is connected with the main body (1);
and support balls (25) which are arranged at the upper end of the cylinder (21), wherein 4 support balls (25) are arranged in total, and the support balls (25) and the bottom of the main body (1) form a rolling mechanism.
2. The agricultural germplasm resource centrifugal screening device according to claim 1, wherein: the unloading mechanism of funnel (2) includes:
the external thread is arranged on the lower end surface of the funnel (2), the external thread and an internal thread groove on the inner wall of the port (3) form a threaded connection mechanism, and a cone (4) is arranged right below the port (3).
3. The agricultural germplasm resource centrifugal screening device according to claim 1, wherein: the limiting mechanism of the outer box (10) comprises:
the connecting plate (11) is connected to the inner wall of the outer box (10), the connecting plate (11) is connected with the rotating plate (12) through a rotating shaft, and the rotating plate (12) and the connecting plate (11) form elastic connection through a second spring (13).
4. The agricultural germplasm resource centrifugal screening device according to claim 1, wherein: the anti-vibration mechanism of the support leg (27) comprises:
the spring rod (26) is arranged on the outer side of the bottom plate (19), the spring rod (26) and the bottom plate (19) form elastic connection, and the bottom end of the spring rod (26) is connected with the upper end plate of the supporting leg (27).
5. The agricultural germplasm resource centrifugal screening device according to claim 1, wherein: the outer box (10) is further provided with:
the brush board (1601), it installs the upper and lower side of baffle (16) in outer container (10), baffle (16) upper end still is provided with shower nozzle (1602), and shower nozzle (1602) and baffle (16) upper end water tank (1603) link to each other through pipe and pump.
6. The screening method of the agricultural germplasm resource centrifugal screening device according to any one of claims 1 to 5, comprising the following steps:
firstly, pouring a germplasm resource to be treated into an internal cavity of a main body (1) through a funnel (2) at the upper end of the main body (1), wherein the lower end of a port (3) is provided with the same structure as a rotating plate (12), and when the germplasm resource falls onto the rotating plate (12), the germplasm resource is pressed to rotate, so that the port (3) is opened, and the germplasm resource falls into the bottom end of the main body (1) along a cone (4), so that feeding is completed;
secondly, a control panel on the front surface of the operation cylinder (21) starts a servo motor (22), and the servo motor (22) drives a second rotating shaft (24) to rotate through a bevel gear set (23) so as to drive the main body (1) to rotate, and the steering direction of the main body (1) is clockwise from the overlooking view;
thirdly, when the main body (1) rotates, germplasm resources are thrown on the inner wall of the main body (1) under the action of centrifugal force, the germplasm resources are attached to a first filter screen (5), the speed of the main body (1) is faster along with the continuous increase of the rotating speed of a servo motor (22), when the speed of the main body (1) reaches a certain value, the baffle (8) compresses a first spring (9) under the action of inertia, so that the baffle (8) releases the shielding of the first filter screen (5), the germplasm resources attached to the first filter screen (5) enter an outer box (10) through meshes, fall onto a rotating plate (12) under the guidance of a slope of a connecting plate (11), the gravity of the germplasm resources presses the rotating plate (12) to rotate, and the opening is opened, the germplasm resources fall into the rotating drum (14), the germplasm resources left in the main body (1) are light varieties, the primary screening is completed, the relationship between centrifugal force and mass is utilized, the germplasm resources of different varieties have different masses, the relatively heavy germplasm resources are subjected to larger centrifugal force and can be thrown on the inner wall of the main body (1) preferentially, the germplasm resources with light mass need to obtain the centrifugal force which is enough to be thrown on the inner wall of the main body (1) at a higher rotating speed, meanwhile, the elastic force of the 6 first springs (9) is different, the mesh sizes of the 6 first filter screens (5) are different, therefore, the baffle plates (8) which are opened at different rotating speeds are also different, with the gradual increase of the rotating speed, all baffles (8) can be sequentially opened, so that the aim of screening various germplasm resources is fulfilled;
fourth, with the rotation of the main body (1), the gear (18) at the lower end of the first rotating shaft (17) is continuously meshed and driven along the gear groove (20) in the bottom plate (19), and as the gear groove (20) is fixed, the gear (18) drives the first rotating shaft (17) to rotate, and then drives the rotating drum (14) to rotate, under the action of centrifugal force, the germplasm resource with heavy mass is thrown out of the second filter screen (15) and falls into the bottom end of the outer box (10), and secondary screening is completed;
and fifthly, a control panel on the surface of the operation cylinder (21) turns off a power supply, after the main body (1) is stopped, the doors on the surfaces of the main body (1) and the outer box (10) are opened, and the screened germplasm resources are taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210874449.5A CN115193684B (en) | 2022-07-22 | 2022-07-22 | Agricultural crop germplasm resource centrifugal screening device and screening method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210874449.5A CN115193684B (en) | 2022-07-22 | 2022-07-22 | Agricultural crop germplasm resource centrifugal screening device and screening method |
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| Publication Number | Publication Date |
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| CN115193684A CN115193684A (en) | 2022-10-18 |
| CN115193684B true CN115193684B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210874449.5A Active CN115193684B (en) | 2022-07-22 | 2022-07-22 | Agricultural crop germplasm resource centrifugal screening device and screening method |
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| CN117862035B (en) * | 2024-03-13 | 2024-05-03 | 民勤县全盛永泰农业有限公司 | Seed grading plant is used in choice of crops seed |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552248A (en) * | 2017-09-30 | 2018-01-09 | 广州公孙策信息科技有限公司 | A kind of rotary and centrifugal type Chinese medicine equipment for separating liquid from solid |
| CN112452755A (en) * | 2020-10-29 | 2021-03-09 | 安徽屹讯科技有限公司 | Grain crop particle screening equipment for agricultural production |
| CN216936913U (en) * | 2022-01-13 | 2022-07-12 | 常州淳博自动化科技有限公司 | Screening plant is used in production of calcium zinc stabilizer convenient to clearance |
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- 2022-07-22 CN CN202210874449.5A patent/CN115193684B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552248A (en) * | 2017-09-30 | 2018-01-09 | 广州公孙策信息科技有限公司 | A kind of rotary and centrifugal type Chinese medicine equipment for separating liquid from solid |
| CN112452755A (en) * | 2020-10-29 | 2021-03-09 | 安徽屹讯科技有限公司 | Grain crop particle screening equipment for agricultural production |
| CN216936913U (en) * | 2022-01-13 | 2022-07-12 | 常州淳博自动化科技有限公司 | Screening plant is used in production of calcium zinc stabilizer convenient to clearance |
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