CN114392911B - Multi-stage screening mechanism for shelled rice for rice processing - Google Patents
Multi-stage screening mechanism for shelled rice for rice processing Download PDFInfo
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- CN114392911B CN114392911B CN202111476195.3A CN202111476195A CN114392911B CN 114392911 B CN114392911 B CN 114392911B CN 202111476195 A CN202111476195 A CN 202111476195A CN 114392911 B CN114392911 B CN 114392911B
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- rice
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- 241000209094 Oryza Species 0.000 title claims abstract description 65
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 65
- 235000009566 rice Nutrition 0.000 title claims abstract description 65
- 238000012216 screening Methods 0.000 title claims abstract description 50
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 118
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 239000010903 husk Substances 0.000 description 2
- 210000001161 mammalian embryo Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 108010050181 aleurone Proteins 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- 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
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/007—Fume suction nozzles arranged on a closed or semi-closed surface, e.g. on a circular, ring-shaped or rectangular surface adjacent the area where fumes are produced
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the technical field of rice processing, and discloses a multi-stage rice screening mechanism after shelling for rice processing, which comprises a processing box, wherein a multi-ball screening device is movably installed in the processing box, the multi-ball screening device comprises a first ball screen, a second ball screen and a third ball screen which are sequentially arranged from inside to outside, the first ball screen, the second ball screen and the third ball screen are fixedly connected through connecting rods, a feeding pipe is connected to the first ball screen, the feeding pipe penetrates through the second ball screen, the third ball screen and the processing box, rotating assemblies are symmetrically installed on the third ball screen, the top end of the third ball screen is connected with a driving assembly, the rear side of the third ball screen is connected with a discharging assembly, and the bottom end of the processing box is provided with an ash removing assembly. The invention can carry out rapid multistage screening on rice, has good screening effect, is not easy to be blocked by the arranged ball screen, has good ash removal effect, and has the advantages of small occupied space, low energy consumption and the like.
Description
Technical Field
The invention relates to the technical field of rice processing, in particular to a shelled rice multistage screening mechanism for rice processing.
Background
The rice is a finished product prepared by the working procedures of cleaning, hulling, milling, finishing finished products and the like. The embryo and aleurone layer of rice contains approximately 64% of rice nutrition and more than 90% of nutrient elements needed by human body, and is a main food for people in most areas of China, and the rice needs to be subjected to the process of removing rice husk (chaff) and cortex (bran layer) in the processing process. Rice grain consists of husk, cortex, embryo and endosperm.
When the shelled rice is processed, the shelled rice needs to be screened, but most of the existing screening mechanisms screen the shelled rice through a plate screen, so that the space occupied by the plate screen is large, and the space is wasted; the plate screening method has the advantages that the rice is required to be transported to a higher position for grading screening, and more energy is consumed; the screening efficiency is low, the screening is easy to leak, and the screening effect is poor;
aiming at the problems, the invention provides a multi-stage rice screening mechanism after shelling for rice processing, which has the advantages of small occupied space, good screening effect, lower energy consumption and the like.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a multi-stage screening mechanism for shelled rice for rice processing, which has the advantages of small occupied space, good screening effect, low energy consumption and the like, and solves the problems of large occupied space, more energy consumption, easy screening leakage and blockage and the like of the traditional screening device.
(II) technical scheme
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a multistage screening mechanism of rice after shelling for rice processing, includes the processing case, including many ball sieving mechanism, first ball sieve, second ball sieve, third ball sieve, connecting rod, inlet pipe, rotating assembly, drive assembly, ejection of compact subassembly, ash removal subassembly, first discharging pipe, second discharging pipe, third discharging pipe, lug and second gyro wheel;
wherein: the rotating assembly comprises a slip ring, an annular track and a first roller;
wherein: the driving assembly comprises a motor, a tensioning device, a driven toothed ring, a driving wheel and a driving ring;
wherein: the tensioning device comprises a telescopic rod and a spring;
wherein: the discharging assembly comprises a first discharging cylinder, a second discharging cylinder, a third discharging cylinder, a first discharging channel, a second discharging channel and a third discharging channel;
wherein: the ash removal assembly comprises an ash removal window, a fan and a transmission rod.
The positions and connection relations among the structures are as follows:
the treatment box is internally and movably provided with a plurality of ball screening devices, each ball screening device comprises a first ball screen, a second ball screen and a third ball screen which are sequentially arranged from inside to outside, each first ball screen, each second ball screen and each third ball screen are fixedly connected through a connecting rod, each first ball screen is connected with a feeding pipe, each feeding pipe penetrates through each second ball screen, each third ball screen and each treatment box, each third ball screen is symmetrically provided with a rotating assembly, each third ball screen is connected with a driving assembly at the top end, each third ball screen is connected with a discharging assembly at the rear side, and each treatment box bottom end is provided with an ash removing assembly.
Preferably, the first, second and third ball sieves have mesh inner diameters sequentially reduced, the first grade rice remains in the first ball sieve, the second grade rice remains in the second ball sieve, and the third grade rice remains in the third ball sieve.
Preferably, the rice in the first ball sieve, the second ball sieve and the third ball sieve respectively enter the first discharging barrel, the second discharging barrel and the third discharging barrel through the first discharging pipe, the second discharging pipe and the third discharging pipe.
Preferably, the third ball screen is movable up and down in the endless track, but is not movable left and right.
Preferably, when the lug passes through the second roller, the second roller supports the third ball sieve to enable the third ball sieve to be lifted, and after the cam passes through, the third ball sieve falls down to play a vibration effect, so that rice grains are prevented from being blocked in the screen of the ball sieve, and the screening effect is prevented from being influenced by the blocking of the ball sieve.
Preferably, the interface between the gear of the driving wheel and the gear of the driven toothed ring is a right isosceles triangle, so that the driving effect is enhanced.
Preferably, two circular ring spaces are formed among the first discharging barrel, the second discharging barrel and the third discharging barrel, the first discharging pipe can rotate in the first discharging barrel, the second discharging pipe rotates in the circular ring space formed by the first discharging barrel and the second discharging barrel, and the third discharging pipe can rotate in the circular ring space formed by the second discharging barrel and the third discharging barrel.
Preferably, the treatment box is provided with a feeding pipe and a discharging pipe up-and-down moving space.
Preferably, the first discharging pipe, the second discharging pipe and the third discharging pipe are arranged at a height higher than the bottommost ends of the first ball sieve, the second ball sieve and the third ball sieve, so that part of rice can be stored in the first ball sieve, the second ball sieve and the third ball sieve.
Three beneficial effects
Compared with the prior art, the invention provides a multi-stage rice screening mechanism after shelling for rice processing, which has the following beneficial effects:
1. according to the multi-stage rice screening mechanism after the rice is shelled for processing, rice is added into the first ball screen through the feeding pipe, the rice falls into the second ball screen after being screened by the first ball screen, then falls into the third ball screen after being screened by the second ball screen, and the occupied space of the screening device is reduced by sleeving the first ball screen, the second ball screen and the third ball screen, so that the space cost is reduced;
2. according to the multi-stage screening mechanism for shelled rice for rice processing, the heights of the first discharging pipe, the second discharging pipe and the third discharging pipe are set so that part of rice can be stored in the first ball screen, the second ball screen and the third ball screen, so that the rice can be fully screened when the first ball screen, the second ball screen and the third ball screen rotate, the screening effect and quality are improved, and the condition of screening leakage is prevented;
3. the multi-stage rice screening mechanism after the rice is shelled for processing can shake off dust adhered to rice when the first ball screen, the second ball screen and the third ball screen rotate, and discharges the dust through a dust removing window and a fan arranged at the bottom end of the processing box, so that the processing environment is ensured;
4. this multistage screening mechanism of rice after shell is used in rice processing sets up the lug of third ball sieve bottom and the second gyro wheel on the processing case and makes the third ball sieve at every round of turning, and the third ball sieve can shake under the effect of second gyro wheel and lug, prevents effectively that first ball sieve, second ball sieve and third ball sieve from blockking up.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front view of the drive assembly and ash removal assembly of the present invention;
FIG. 3 is a side view of the multiple ball screening device of the present invention;
FIG. 4 is a side view of a slip ring and ring track of the present invention;
FIG. 5 is a side view of the bump and second roller assembly of the present invention;
FIG. 6 is an elevation view of the driven toothed ring and drive ring assembly of the present invention;
in the figure: 1. a treatment box; 2. a multi-ball screening device; 3. a first ball screen; 4. a second ball screen; 5. a third ball screen; 6. a connecting rod; 7. a feed pipe; 8. a rotating assembly; 9. a drive assembly; 10. a discharge assembly; 11. an ash removal assembly; 12. a first discharge pipe; 13. a second discharge pipe; 14. a third discharge pipe; 15. a slip ring; 16. an endless track; 17. a first roller; 18. a bump; 19. a second roller; 20. a motor; 21. a tensioning device; 22. a driven toothed ring; 23. a driving wheel; 24. a drive ring; 25. a telescopic rod; 26. a spring; 27. a first discharge cylinder; 28. a second discharging cylinder; 29. a third discharging cylinder; 30. a first discharge channel; 31. a second discharge channel; 32. a third discharge channel; 33. an ash removal window; 34. a fan; 35. a transmission rod.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, a multi-stage screening mechanism for shelled rice for rice processing includes a processing box 1, a multi-ball screening device 2, a first ball screen 3, a second ball screen 4, a third ball screen 5, a connecting rod 6, a feeding pipe 7, a rotating assembly 8, a driving assembly 9, a discharging assembly 10, a dust removing assembly 11, a first discharging pipe 12, a second discharging pipe 13, a third discharging pipe 14, a bump 18 and a second roller 19;
wherein: the rotating assembly 8 comprises a slip ring 15, an annular track 16 and a first roller 17;
wherein: the drive assembly 9 comprises a motor 20, a tensioning device 21, a driven toothed ring 22, a drive wheel 23 and a drive ring 24;
wherein: the tensioning device 21 comprises a telescopic rod 25 and a spring 26;
wherein: the discharge assembly 10 includes a first discharge barrel 27, a second discharge barrel 28, a third discharge barrel 29, a first discharge passage 30, a second discharge passage 31, and a third discharge passage 32;
wherein: the ash removal assembly 11 includes an ash removal window 33, a fan 34 and a drive rod 35.
The positions and connection relations among the structures are as follows:
the treatment box 1 is internally and movably provided with a plurality of ball screening devices 2, each ball screening device 2 comprises a first ball screen 3, a second ball screen 4 and a third ball screen 5 which are sequentially arranged from inside to outside, each first ball screen 3, each second ball screen 4 and each third ball screen 5 are fixedly connected through a connecting rod 6, each first ball screen 3 is connected with a feeding pipe 7, each feeding pipe 7 penetrates through each second ball screen 4, each third ball screen 5 and the treatment box 1, each third ball screen 5 is symmetrically provided with a rotating assembly 8, the top end of each third ball screen 5 is connected with a driving assembly 9, the rear side of each third ball screen 5 is connected with a discharging assembly 10, and the bottom end of the treatment box 1 is provided with a dust removing assembly 11.
Further, the inner diameters of the sieve holes of the first ball sieve 3, the second ball sieve 4 and the third ball sieve 5 are sequentially reduced, the rear sides of the first ball sieve 3, the second ball sieve 4 and the third ball sieve 5 are respectively provided with a first discharging pipe 12, a second discharging pipe 13 and a third discharging pipe 14, and the first discharging pipe 12, the second discharging pipe 13 and the third discharging pipe 14 are all connected with the discharging assembly 10.
Further, the first discharge pipe 12 is connected with the discharge assembly 10 through the second ball screen 4 and the third ball screen 5, and the second discharge pipe 13 is connected with the discharge assembly 10 through the third ball screen 5.
Further, the rotating assembly 8 comprises a slip ring 15 fixedly installed on the third ball screen 5, an annular rail 16 is correspondingly installed in the treatment box 1, the slip ring 15 is installed in the annular rail 16, first rollers 17 are installed at the bottom end and the left and right sides of the annular rail 16, and the slip ring 15 rotates on the first rollers 17.
Further, the bottom end of the third ball sieve 5 is fixedly provided with a convex block 18, and the bottom end of the treatment box 1 is correspondingly provided with a second roller 19.
Further, the driving assembly 9 comprises a motor 20, the motor 20 is fixedly arranged at the top end of the treatment box 1 through a tensioning device 21, a driven toothed ring 22 is fixedly arranged in the middle of the third ball sieve 5, a driving wheel 23 of the motor 20 is meshed with the driven toothed ring 22, and driving rings 24 are symmetrically and fixedly arranged on two sides of the driven toothed ring 22.
Further, the tensioning device 21 comprises a telescopic rod 25, the motor 20 is arranged at the top end of the treatment box 1 through the telescopic rod 25, and a spring 26 is sleeved on the telescopic rod 25.
Further, the discharging assembly 10 includes a first discharging barrel 27, a second discharging barrel 28 and a third discharging barrel 29 which are arranged from inside to outside, a first discharging passage 30, a second discharging passage 31 and a third discharging passage 32 are respectively formed in the first discharging barrel 27, the second discharging barrel 28 and the third discharging barrel 29, the first discharging passage 30 is arranged through the second discharging barrel 28 and the third discharging barrel 29, the second discharging passage 31 is arranged through the second discharging barrel 28 and the third discharging barrel 29, the first discharging pipe 12 is placed in the first discharging barrel 27, the second discharging pipe 13 is placed in the second discharging barrel 28, and the third discharging pipe 14 is placed in the third discharging barrel 29.
Further, the ash removal assembly 11 comprises ash removal windows 33, the ash removal windows 33 are symmetrically arranged at the bottom end of the treatment box 1, a fan 34 is rotatably arranged in the ash removal windows 33, the shaft of the fan 34 is in transmission connection with a transmission rod 35, and the transmission rod 35 is connected with the driving ring 24. A step of
Working principle:
when the multi-ball screening device is used, rice enters a first ball screen 3 in the multi-ball screening device 2 from a feed pipe 7, at the moment, a motor 20 in a driving assembly 9 works to drive a driving wheel 23 to rotate, the driving wheel 23 acts on a driven toothed ring 22 on a third ball screen 5 to drive the third ball screen 5 to rotate, and because the first ball screen 3, the second ball screen 4 and the third ball screen 5 are fixedly connected together, the first ball screen 3 and the second ball screen 4 rotate, the first ball screen 3 carries out first screening on the rice, the screened rice falls into the second ball screen 4, the second ball screen 4 carries out second screening, and the screened rice falls into the third ball screen 5, and because the first ball screen 3, the second ball screen 4 and the third ball screen 5 are sleeved, the occupied space of a screening mechanism is reduced;
because the heights of the first discharging pipe 12, the second discharging pipe 13 and the third discharging pipe 14 are higher than the bottommost ends of the first ball sieve 3, the second ball sieve 4 and the third ball sieve 5, the first ball sieve 3, the second ball sieve 4 and the third ball sieve 5 can store partial rice, so that the first ball sieve 3, the second ball sieve 4 and the third ball sieve 5 can fully screen the rice, the screening quality is improved, and the screened rice enters the first discharging barrel 27, the second discharging barrel 28 and the third discharging barrel 29 from the first discharging channel 30, the second discharging channel 31 and the third discharging channel 32 from the first discharging pipe 12, the second discharging pipe 13 and the third discharging pipe 14 respectively;
when the third ball screen 5 rotates for one circle, the convex block 18 at the bottom end of the third ball screen 5 passes through the second roller 19 at the bottom end of the treatment box 1, the second roller 19 acts on the convex block 18 to lift the third ball screen 5, the second ball screen 4 and the first ball screen 3, when the third ball screen 5 lifts, the driven toothed ring 22 on the third ball screen 5 jacks up the motor 20 to lift the motor 20, the driving wheel 23 and the driven toothed ring 22 are always meshed, the rotation of the third ball screen 5 is ensured, after the convex block 18 passes through the second roller 19, the third ball screen 5 falls down, and the motor 20 returns to the original position under the action of the spring 26 to keep normal work;
meanwhile, when the third ball sieve 5 rotates, the driving rings 24 on two sides of the driven toothed ring 22 on the third ball sieve 5 act on the driving rod 35 to drive the driving rod 35 to rotate, and when the driving rod 35 rotates, the fan 34 in the dust removing window 33 is driven to rotate, so that the fan 34 discharges dust in the treatment box 1.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a multistage screening mechanism of rice after shelling for rice processing, includes treatment box (1), its characterized in that: the device is characterized in that a multi-ball screening device (2) is movably arranged in the treatment box (1), the multi-ball screening device (2) comprises a first ball screen (3), a second ball screen (4) and a third ball screen (5) which are sequentially arranged from inside to outside, the first ball screen (3), the second ball screen (4) and the third ball screen (5) are fixedly connected through a connecting rod (6), a feeding pipe (7) is connected to the first ball screen (3), the feeding pipe (7) penetrates through the second ball screen (4), the third ball screen (5) and the treatment box (1) to be arranged, a rotating assembly (8) is symmetrically arranged on the third ball screen (5), a driving assembly (9) is connected to the top end of the third ball screen (5), a discharging assembly (10) is connected to the rear side of the third ball screen (5), and an ash removing assembly (11) is arranged at the bottom end of the treatment box (1).
The inner diameters of the sieve holes of the first ball sieve (3), the second ball sieve (4) and the third ball sieve (5) are sequentially reduced, a first discharging pipe (12), a second discharging pipe (13) and a third discharging pipe (14) are respectively arranged at the rear sides of the first ball sieve (3), the second ball sieve (4) and the third ball sieve (5), and the first discharging pipe (12), the second discharging pipe (13) and the third discharging pipe (14) are all connected with a discharging assembly (10);
the first discharging pipe (12) penetrates through the second ball sieve (4) and the third ball sieve (5) to be connected with the discharging assembly (10), and the second discharging pipe (13) penetrates through the third ball sieve (5) to be connected with the discharging assembly (10);
the rotating assembly (8) comprises a slip ring (15) fixedly arranged on the third ball screen (5), an annular rail (16) is correspondingly arranged in the treatment box (1), the slip ring (15) is arranged in the annular rail (16), first rollers (17) are arranged at the bottom end and the left and right sides of the annular rail (16), and the slip ring (15) rotates on the first rollers (17);
the bottom end of the third ball sieve (5) is fixedly provided with a convex block (18), and the bottom end of the treatment box (1) is correspondingly provided with a second roller (19);
the discharging assembly (10) comprises a first discharging barrel (27), a second discharging barrel (28) and a third discharging barrel (29) which are arranged from inside to outside, wherein a first discharging passage (30), a second discharging passage (31) and a third discharging passage (32) are respectively formed in the first discharging barrel (27), the second discharging barrel (28) and the third discharging barrel (29), the first discharging passage (30) penetrates through the second discharging barrel (28) and the third discharging barrel (29), the second discharging passage (31) penetrates through the second discharging barrel (28) and the third discharging barrel (29), the first discharging pipe (12) is arranged in the first discharging barrel (27), the second discharging pipe (13) is arranged in the second discharging barrel (28), and the third discharging pipe (14) is arranged in the third discharging barrel (29).
2. The multi-stage rice screening mechanism after shelling for rice processing according to claim 1, wherein: the driving assembly (9) comprises a motor (20), the motor (20) is fixedly arranged at the top end of the treatment box (1) through a tensioning device (21), a driven toothed ring (22) is fixedly arranged in the middle of the third ball sieve (5), driving wheels (23) of the motor (20) are meshed with the driven toothed ring (22), and driving rings (24) are symmetrically and fixedly arranged on two sides of the driven toothed ring (22).
3. The multi-stage rice screening mechanism after shelling for rice processing according to claim 2, wherein: the tensioning device (21) comprises a telescopic rod (25), the motor (20) is arranged at the top end of the treatment box (1) through the telescopic rod (25), and a spring (26) is sleeved on the telescopic rod (25).
4. A multi-stage rice screening mechanism after shelling for rice processing according to claim 3, wherein: the ash removal assembly (11) comprises ash removal windows (33), the ash removal windows (33) are symmetrically arranged at the bottom end of the treatment box (1), a fan (34) is rotatably arranged in the ash removal windows (33), the shaft of the fan (34) is in transmission connection with a transmission rod (35), and the transmission rod (35) is connected with a driving ring (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111476195.3A CN114392911B (en) | 2021-12-06 | 2021-12-06 | Multi-stage screening mechanism for shelled rice for rice processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111476195.3A CN114392911B (en) | 2021-12-06 | 2021-12-06 | Multi-stage screening mechanism for shelled rice for rice processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114392911A CN114392911A (en) | 2022-04-26 |
| CN114392911B true CN114392911B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111476195.3A Active CN114392911B (en) | 2021-12-06 | 2021-12-06 | Multi-stage screening mechanism for shelled rice for rice processing |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002233823A (en) * | 2001-02-06 | 2002-08-20 | Mitsuru Maruyama | Rotary sieve with grain size sorter |
| CN201702106U (en) * | 2010-07-09 | 2011-01-12 | 洛阳大华重型机械有限公司 | Circular vibrating screen |
| CN104646280A (en) * | 2015-02-09 | 2015-05-27 | 安徽天利粮油集团股份有限公司 | Rice screening and dust eliminating device |
| CN106694348A (en) * | 2015-07-21 | 2017-05-24 | 江苏恒欣仓储设备有限公司 | Three-drum precleaner |
| CN208743059U (en) * | 2018-04-17 | 2019-04-16 | 无锡锡麦粮油装备工程有限公司 | A kind of drum-type grain screening dust-extraction unit |
| CN209549926U (en) * | 2019-01-09 | 2019-10-29 | 赵丽华 | The dedicated sand of civil building dries classified screening device |
| CN112718494B (en) * | 2021-01-06 | 2021-11-30 | 宁夏兴唐米业集团技术中心基地有限公司 | High-efficient multistage sieving mechanism based on rice processing |
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2021
- 2021-12-06 CN CN202111476195.3A patent/CN114392911B/en active Active
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| CN114392911A (en) | 2022-04-26 |
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