CN216880385U - Rice grading and selecting device - Google Patents
Rice grading and selecting device Download PDFInfo
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- CN216880385U CN216880385U CN202123090357.8U CN202123090357U CN216880385U CN 216880385 U CN216880385 U CN 216880385U CN 202123090357 U CN202123090357 U CN 202123090357U CN 216880385 U CN216880385 U CN 216880385U
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Abstract
The utility model belongs to the technical field of white rice screening, in particular to a white rice grading and refining device which comprises a first screen and a second screen, wherein a first screening frame is arranged on the periphery of the first screen, slide rods penetrate through the front side and the rear side of the first screening frame, a first support plate is arranged on the left side of each slide rod, a second support plate is arranged on the right side of each slide rod, a gear is arranged on an output shaft of a motor, a rack is arranged at the bottom of the rear side of the first screening frame, a second screening frame is arranged on the upper portion of a limiting ring, a second screen is arranged in the middle of the second screening frame, a limiting cover is arranged above the second screening frame, a first material receiving box is arranged on the right side of each first support plate, and a second material receiving box is arranged on the right side of each first material receiving box. The quality of rice is improved, then sieve large granule white rice and tiny particle white rice, improved the efficiency of screening.
Description
Technical Field
The utility model belongs to the technical field of white rice screening, and particularly relates to a white rice grading and selecting device.
Background
The white rice is one kind of rice which is refined, the grains are small, the nutritive value of the white rice is higher than that of other refined rice, the starch content is high, and in the production process of the white rice, the white rice needs to enter a grading sieving machine for sieving after passing through a polishing machine, so that large-grain white rice and small-grain white rice are separated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a white rice grading and refining device, which can filter out large granular impurities in white rice to be screened by arranging a first screen, a second screen, a sliding rod, a gear, a spring and other parts, thereby reducing the impurities in the rice, improving the quality of the rice, then screening the large granular white rice and the small granular white rice, and improving the screening efficiency.
The utility model provides the following technical scheme: a polished rice grading and refining device comprises a first screen and a second screen, wherein a first screening frame is arranged at the periphery of the first screen, a first discharge hole is formed in the right side of the first screening frame, a rotating shaft is arranged inside the first discharge hole, a first baffle is rotatably connected to the outer wall of the rotating shaft, slide rods penetrate through the front side and the rear side of the first screening frame, a first supporting plate is arranged on the left side of each slide rod, the left end of each slide rod is fixedly connected with the right side wall of the first supporting plate, a second supporting plate is arranged on the right side of each slide rod, the right end of each slide rod is fixedly connected with the left side wall of the second supporting plate, the first screening frame is slidably connected with the slide rods, first springs are arranged on the outer wall of each slide rod and between the first supporting plate and the left side wall of the first screening frame, second springs are arranged on the outer wall of each slide rod and between the second supporting plate and the right side wall of the first screening frame, the rear side of the first screening frame is provided with a third supporting plate, the top of the third supporting plate is provided with a motor, an output shaft of the motor is fixedly connected with a gear, the bottom of the rear side of the first screening frame is provided with a rack, the gear and the rack are mutually meshed, the top of the first screening frame is provided with a fixed rod, the middle part of the fixed rod is provided with a limit ring, the upper part of the limit ring is provided with a second screening frame, the middle part of the second screening frame is provided with a second screen, a limit cover is arranged above the second screening frame, the outer wall of the fixed rod is provided with an external thread, the inner wall of the limit cover is provided with an internal thread matched with the external thread, the right side of the second screening frame is provided with a second discharge hole, the inside of the second discharge hole is also provided with a rotating shaft, and the outer wall of the rotating shaft is rotatably connected with a second baffle plate, the right side of first backup pad is provided with the first workbin that connects, the first right side that connects the workbin is provided with the second and connects the workbin.
The rear ends of the first baffle and the second baffle are respectively provided with a first magnet, the inner walls of the rear sides of the first discharge hole and the second discharge hole are respectively provided with a second magnet, and the first magnet and the second magnet are mutually attracted; through setting up first magnet and second magnet, it is fixed with baffle and screening frame, can prevent to lift first baffle and second baffle from first discharge gate and second discharge gate respectively when rocking about first screening frame and second screening frame.
Wherein the bottom of the first screening frame is provided with a material guide groove; through set up the baffle box in the bottom of first screening frame, can lead the white rice that falls onto the second screen cloth to first receiving box through the baffle box.
The upper half part of the outer wall of the gear is provided with teeth, and the lower half part of the outer wall of the gear is provided with toothless teeth; open motor reverse operation, make the motor drive gear anticlockwise rotation, it slides right along the slide bar to drive rack and first screen cloth, make first screening frame extrude the second spring and compress, it stretches right to drive first spring simultaneously, through setting up half tooth at the outer wall of gear, after half the anticlockwise rotation of gear, first screening frame is under the elastic action of first spring and second spring, slide left along the slide bar and reset, enable first screening frame along the slide bar horizontal slip, thereby realize the screening of first screen cloth and second screen cloth to the rice.
The front side wall and the rear side wall of the first material receiving box and the second material receiving box are both provided with handles; through first material case and the second front and back both sides that connect the workbin set up the handle, after the screening of polished rice is accomplished, can be convenient for connect first material case and second to connect the workbin to shift out from the below of first screening frame through the handle.
The front side and the rear side of the top of the first screen are provided with material guide blocks, and the material guide blocks are arranged on one side close to the first discharge hole; through setting up the guide block in one side that first screen cloth is close to first discharge gate, can be convenient for shift out the rice on the first screen cloth with the first discharge gate of rice direction on the first screen cloth.
The first screen is arranged in an inclined shape, and the height of the first screen is gradually reduced from one side far away from the first discharge hole to one side close to the first discharge hole; through setting first screen cloth to the slope, can be convenient for be close to first discharge gate with the rice guide on the first screen cloth, under the cooperation of guide block, make the whole first discharge gate of deriving of rice on the first screen cloth.
Pull rings are arranged at the tops of the first baffle plate and the second baffle plate; through setting up the pull ring at the top of first baffle and second baffle, can be convenient for rotate first baffle and second baffle along the pivot respectively through the pulling pull ring to open first discharge gate and second discharge gate, make the large granule impurity of screening on the first sieve and the rice of screening on the second sieve lift off.
The utility model has the beneficial effects that: when the device is used, the rice to be screened is uniformly poured onto the second screen mesh, the motor is started to run reversely, the motor drives the gear to rotate anticlockwise, the rack and the first screen mesh are driven to slide rightwards along the slide bar, the first screening frame is driven to compress the second spring and drive the first spring to stretch rightwards, the mesh diameter on the first screen mesh is set to be smaller than that of the second screen mesh by arranging a half of teeth on the outer wall of the gear, the first screening frame slides leftwards and rightwards along the slide bar under the elastic action of the first spring and the second spring after the gear rotates half anticlockwise, the first screening frame slides leftwards and rightwards along the slide bar, the first screen mesh and the second screen mesh are driven to move leftwards and rightwards, large-particle impurities doped in the rice to be screened are blocked by the second screen mesh, the rice with larger particle size falls onto the first screen mesh through the second screen mesh, then the rice with smaller grain diameter falls on the guide chute through the first screen, slides into the first material receiving box along the guide chute, after the screening is finished, the first baffle plate swings upwards along the rotating shaft, the first discharge hole is opened, the rice with larger grain diameter screened on the first screen is led out through the first discharge hole, the first screen is inclined, so that the rice on the first screen can be conveniently guided to be close to the first discharge hole, under the coordination of the material guiding block, the white rice on the first screen is completely guided into the second material receiving box from the first material outlet, then the second material receiving box filled with the large particles is moved away by the handle, an empty second material receiving box is replaced, the first baffle plate is opened, the large particles screened on the second screen mesh are guided into the second material receiving box below through the second discharge hole, thereby realizing the grading screening of the white rice, improving the screening efficiency and ensuring the quality of the rice;
through being provided with first magnet at the rear end of first baffle and second baffle, be provided with second magnet at the rear side inner wall of first discharge gate and second discharge gate, can prevent that first baffle and second baffle from lifting respectively from first discharge gate and second discharge gate when rocking about first screening frame and second screening frame to impurity that can prevent on the first screen cloth mixes with the rice on the second screen cloth once more.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic diagram of a right-side perspective structure of the present invention;
FIG. 2 is a schematic view of the front plan structure of the present invention;
FIG. 3 is a schematic front sectional view of the present invention;
fig. 4 is a schematic right-view cross-sectional structure of the present invention.
In the figure: 1. a first screen; 2. a second screen; 3. a first screening frame; 4. a first discharge port; 5. A rotating shaft; 6. a first baffle plate; 7. a slide bar; 8. a first support plate; 9. a second support plate; 10. a first spring; 11. a second spring; 12. a third support plate; 13. a motor; 14. a gear; 15. a rack; 16. Fixing the rod; 17. a limiting ring; 18. a second screening frame; 19. a pull ring; 20. a limiting cover; 21. a second discharge port; 22. a second baffle; 23. a first material receiving box; 24. a second material receiving box; 25. a first magnet; 26. a second magnet; 27. a material guide chute; 28. a handle; 29. and a material guide block.
Detailed Description
Referring to fig. 1-4, the present invention provides the following technical solutions: a rice grading and refining device comprises a first screen mesh 1 and a second screen mesh 2, wherein a first screening frame 3 is arranged at the periphery of the first screen mesh 1, a first discharge hole 4 is formed in the right side of the first screening frame 3, a rotating shaft 5 is arranged inside the first discharge hole 4, a first baffle 6 is connected to the outer wall of the rotating shaft 5 in a rotating manner, slide rods 7 are arranged on the front side and the rear side of the first screening frame 3 in a penetrating manner, a first supporting plate 8 is arranged on the left side of each slide rod 7, the left end of each slide rod 7 is fixedly connected with the right side wall of the corresponding first supporting plate 8, a second supporting plate 9 is arranged on the right side of each slide rod 7, the right end of each slide rod 7 is fixedly connected with the left side wall of the corresponding second supporting plate 9, the first screening frame 3 is connected with the slide rods 7 in a sliding manner, a first spring 10 is arranged on the outer wall of each slide rod 7 and positioned between the corresponding first supporting plate 8 and the left side wall of the first screening frame 3, a second spring 11 is arranged on the outer wall of the sliding rod 7 and between the second support plate 9 and the right side wall of the first screening frame 3, a third support plate 12 is arranged on the rear side of the first screening frame 3, a motor 13 is arranged on the top of the third support plate 12, a gear 14 is fixedly connected to an output shaft of the motor 13, a rack 15 is arranged at the bottom of the rear side of the first screening frame 3, the gear 14 and the rack 15 are mutually engaged, a fixing rod 16 is arranged on the top of the first screening frame 3, a limiting ring 17 is arranged in the middle of the fixing rod 16, a second screening frame 18 is arranged on the upper portion of the limiting ring 17, a second screen 2 is arranged in the middle of the second screening frame 18, a limiting cover 20 is arranged above the second screening frame 18, an external thread is arranged on the outer wall of the fixing rod 16, and an internal thread matched with the external thread is arranged on the inner wall of the limiting cover 20, second discharge gate 21 has been seted up on second screening frame 18's right side, the inside of second discharge gate 21 also is provided with pivot 5, the outer wall of pivot 5 rotates and is connected with second baffle 22, the right side of first backup pad 8 is provided with first workbin 23 that connects, the right side of first workbin 23 that connects is provided with the second and connects workbin 24.
The rear ends of the first baffle 6 and the second baffle 22 are respectively provided with a first magnet 25, the inner walls of the rear sides of the first discharge hole 4 and the second discharge hole 21 are respectively provided with a second magnet 26, and the first magnet 25 and the second magnet 26 are mutually attracted; by providing the first magnet 25 and the second magnet 26 to fix the barrier to the screen frame, the first barrier 6 and the second barrier 22 can be prevented from being lifted from the first discharge port 4 and the second discharge port 21, respectively, when the first screen frame 3 and the second screen frame 18 are shaken from side to side.
A material guide chute 27 is arranged at the bottom of the first screening frame 3; by providing the guide chute 27 at the bottom of the first screen frame 3, the rice dropped on the second screen 2 can be guided to the first receiving box 23 through the guide chute 27.
The upper half part of the outer wall of the gear 14 is provided with teeth, and the lower half part of the outer wall of the gear 14 is provided with toothless teeth; open motor 13 reverse running, make motor 13 drive gear 14 anticlockwise rotation, drive rack 15 and first screen cloth 1 and slide right along slide bar 7, make first screening frame 3 extrude second spring 11 and compress, it stretches to drive first spring 10 right simultaneously, through setting up half tooth at the outer wall of gear 14, after gear 14 anticlockwise rotation is half, first screening frame 3 is under the elastic action of first spring 10 and second spring 11, slide along slide bar 7 left side and reset, it slides along slide bar 7 left and right to enable first screening frame 3, thereby realize the screening of first screen cloth 1 and second screen cloth 2 to the rice.
The front side wall and the rear side wall of the first material receiving box 23 and the second material receiving box 24 are both provided with handles 28; through set up handle 28 in first material receiving box 23 and the front and back both sides of second material receiving box 24, after the white rice screening is accomplished, can be convenient for remove first material receiving box 23 and second material receiving box 24 from the below of first screening frame 3 through handle 28.
The front side and the rear side of the top of the first screen mesh 1 are both provided with material guide blocks 29, and the material guide blocks 29 are arranged on one side close to the first discharge hole 4; through set up the guide block in one side that first screen cloth 1 is close to first discharge gate 4, can lead first discharge gate 4 with the rice on the first screen cloth 1, be convenient for shift out the rice on the first screen cloth 1.
The first screen mesh 1 is arranged in an inclined shape, and the height of the first screen mesh 1 is gradually reduced from one side far away from the first discharge hole 4 to one side close to the first discharge hole 4; by arranging the first screen mesh 1 to be inclined, the white rice on the first screen mesh 1 can be conveniently guided to be close to the first discharge hole 4, and the white rice on the first screen mesh 1 can be completely guided out of the first discharge hole 4 under the cooperation of the material guide block 29.
The working principle and the using process of the utility model are as follows: when the device is used, the rice to be screened is uniformly poured onto the second screen 2, the motor 13 is started to run reversely, the motor 13 drives the gear 14 to rotate anticlockwise, the rack 15 and the first screen 1 are driven to slide rightwards along the slide rod 7, the first screening frame 3 is driven to extrude the second spring 11 to compress, the first spring 10 is driven to stretch rightwards, a half of teeth are arranged on the outer wall of the gear 14, after the gear 14 rotates anticlockwise for a half, the first screening frame 3 slides leftwards and resets leftwards along the slide rod 7 under the elastic action of the first spring 10 and the second spring 11, the diameter of the mesh hole on the first screen 1 is set to be smaller than that of the mesh hole on the second screen 2, the first screening frame 3 drives the first screen 1 and the second screen 2 to move leftwards and rightwards while sliding leftwards along the slide rod 7, and large-particle impurities doped in the rice to be screened are blocked by the second screen 2, the rice with larger grain diameter falls on the first screen mesh 1 through the second screen mesh 2, then the rice with smaller grain diameter falls on the guide chute 27 through the first screen mesh 1, and slides into the first material receiving box 23 along the guide chute 27, after the screening is completed, the first baffle 6 swings upwards along the rotating shaft 5, the first discharge port 4 is opened, the rice with larger grain diameter screened on the first screen mesh 1 falls into the second material receiving box 24 through the first discharge port 4, then the full second material receiving box 24 is moved away, an empty second material receiving box 24 is replaced, the first baffle 6 is opened, large-grain impurities screened on the second screen mesh 2 are guided into the second material receiving box 24 below through the second discharge port 21, and the grading screening of the rice is realized.
Claims (8)
1. The utility model provides a rice grading and refining device which characterized in that: the screening device comprises a first screen and a second screen, wherein a first screening frame is arranged at the periphery of the first screen, a first discharge port is formed in the right side of the first screening frame, a rotating shaft is arranged in the first discharge port, a first baffle is rotatably connected to the outer wall of the rotating shaft, slide rods are arranged on the front side and the rear side of the first screening frame in a penetrating manner, a first supporting plate is arranged on the left side of each slide rod, the left end of each slide rod is fixedly connected with the right side wall of the first supporting plate, a second supporting plate is arranged on the right side of each slide rod, the right end of each slide rod is fixedly connected with the left side wall of the second supporting plate, the first screening frame is slidably connected with the slide rods, a first spring is arranged on the outer wall of each slide rod and positioned between the first supporting plate and the left side wall of the first screening frame, and a second spring is arranged on the outer wall of each slide rod and positioned between the second supporting plate and the right side wall of the first screening frame, the rear side of the first screening frame is provided with a third supporting plate, the top of the third supporting plate is provided with a motor, an output shaft of the motor is fixedly connected with a gear, the bottom of the rear side of the first screening frame is provided with a rack, the gear and the rack are mutually meshed, the top of the first screening frame is provided with a fixed rod, the middle part of the fixed rod is provided with a limit ring, the upper part of the limit ring is provided with a second screening frame, the middle part of the second screening frame is provided with a second screen, a limit cover is arranged above the second screening frame, the outer wall of the fixed rod is provided with an external thread, the inner wall of the limit cover is provided with an internal thread matched with the external thread, the right side of the second screening frame is provided with a second discharge hole, the inside of the second discharge hole is also provided with a rotating shaft, and the outer wall of the rotating shaft is rotatably connected with a second baffle plate, the right side of first backup pad is provided with the first workbin that connects, the first right side that connects the workbin is provided with the second and connects the workbin.
2. The rice grading and refining device as claimed in claim 1, wherein: the rear ends of the first baffle and the second baffle are provided with first magnets, the inner walls of the rear sides of the first discharge hole and the second discharge hole are provided with second magnets, and the first magnets and the second magnets attract each other.
3. The rice grading and refining device according to claim 1, wherein: and a material guide groove is formed in the bottom of the first screening frame.
4. The rice grading and refining device according to claim 1, wherein: the upper half part of the outer wall of the gear is provided with teeth, and the lower half part of the outer wall of the gear is provided with toothless teeth.
5. The rice grading and refining device according to claim 1, wherein: the front side wall and the rear side wall of the first material receiving box and the second material receiving box are respectively provided with a handle.
6. The rice grading and refining device as claimed in claim 1, wherein: the front side and the rear side of the top of the first screen are both provided with material guide blocks, and the material guide blocks are arranged on one side close to the first discharge hole.
7. The rice grading and refining device according to claim 1, wherein: the first screen cloth sets up to the slope form, the height of first screen cloth reduces to the one side that is close to first discharge gate from the one side of keeping away from first discharge gate gradually.
8. The rice grading and refining device as claimed in claim 1, wherein: and pull rings are arranged at the tops of the first baffle plate and the second baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123090357.8U CN216880385U (en) | 2021-12-10 | 2021-12-10 | Rice grading and selecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123090357.8U CN216880385U (en) | 2021-12-10 | 2021-12-10 | Rice grading and selecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216880385U true CN216880385U (en) | 2022-07-05 |
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ID=82205532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123090357.8U Active CN216880385U (en) | 2021-12-10 | 2021-12-10 | Rice grading and selecting device |
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| CN (1) | CN216880385U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114932071A (en) * | 2022-07-21 | 2022-08-23 | 大丰市申达机械制造有限公司 | Steel shot screening device of shot blasting machine |
| CN116078661A (en) * | 2023-02-10 | 2023-05-09 | 福建御研农业科技有限公司 | Fertilizer apparatus for producing with multistage screening function |
-
2021
- 2021-12-10 CN CN202123090357.8U patent/CN216880385U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114932071A (en) * | 2022-07-21 | 2022-08-23 | 大丰市申达机械制造有限公司 | Steel shot screening device of shot blasting machine |
| CN116078661A (en) * | 2023-02-10 | 2023-05-09 | 福建御研农业科技有限公司 | Fertilizer apparatus for producing with multistage screening function |
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