CN112495466B - Rice burnishing device with screening function - Google Patents
Rice burnishing device with screening function Download PDFInfo
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- CN112495466B CN112495466B CN202011477520.3A CN202011477520A CN112495466B CN 112495466 B CN112495466 B CN 112495466B CN 202011477520 A CN202011477520 A CN 202011477520A CN 112495466 B CN112495466 B CN 112495466B
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- polishing
- hopper
- rice
- feeding bin
- box body
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 98
- 235000009566 rice Nutrition 0.000 title claims abstract description 98
- 238000012216 screening Methods 0.000 title claims abstract description 23
- 240000007594 Oryza sativa Species 0.000 title 1
- 238000005498 polishing Methods 0.000 claims abstract description 137
- 241000209094 Oryza Species 0.000 claims abstract description 97
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 239000013590 bulk material Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000005507 spraying Methods 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims description 50
- 239000000463 material Substances 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 15
- 238000007873 sieving Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 18
- 239000012535 impurity Substances 0.000 abstract description 9
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- 240000005979 Hordeum vulgare Species 0.000 description 1
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- 244000062793 Sorghum vulgare Species 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B3/00—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
- B02B3/02—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming by means of discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B1/00—Preparing grain for milling or like processes
- B02B1/04—Wet treatment, e.g. washing, wetting, softening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B7/00—Auxiliary devices
- B02B7/02—Feeding or discharging devices
-
- 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
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
Abstract
The invention relates to a rice polishing device with a screening function, which belongs to the technical field of grain processing equipment and comprises a box body, wherein a feeding bin is arranged on the upper side of the box body, and a conveying mechanism is arranged in the feeding bin; a polishing mechanism is arranged on the inner side of the box body and positioned on the lower side of the discharge end of the conveying mechanism, and a spraying mechanism for spraying water to the polishing mechanism is arranged in the box body; a bulk material hopper and a collecting hopper are sequentially arranged on the lower side of the polishing mechanism; the cross sectional area of one end of the bulk material hopper close to the polishing mechanism is smaller, the cross sectional area of one end of the bulk material hopper far away from the polishing mechanism is larger, and the bulk material hopper is uniformly provided with air nozzles; an air injection assembly for injecting air to the air injection port is arranged on the lower side of the bulk material hopper; an air exhaust assembly for exhausting air in the box body is arranged outside the box body; the lower side of the aggregate bin is provided with a discharge hole. Through adopting above-mentioned technical scheme, can get rid of inside tiny impurity and chaff that floats carrying out the polishing in-process to the rice, improve polishing effect.
Description
Technical Field
The invention belongs to the technical field of grain processing equipment, and particularly relates to a rice polishing device with a screening function.
Background
The rice contains about 75% of carbohydrate, 7% -8% of protein, 1.3% -1.8% of fat and rich B vitamins. The carbohydrate in the rice is mainly starch, the protein contained in the rice is mainly gluten, and the protein is secondly gluten and globulin, the biological value of the protein and the composition proportion of the amino acid are both higher than the cereal crops such as wheat, barley, millet, corn and the like, the digestibility is 66.8 to 83.1 percent, and the carbohydrate is also higher one of the cereal proteins.
The rice is prepared from rice through a series of processes, in the process of processing, the rice is prepared into a finished product through the procedures of cleaning, rice hulling, rice milling, finished product finishing and the like, in the process, broken rice and healthy rice are removed after multi-machine whitening, and then the rice is polished after water spraying and rice moistening. In this in-process can have some tiny impurity in the rice and can produce certain chaff among the polishing process, and burnishing machine among the prior art can not get rid of it, influences polishing effect to a certain extent, needs extra equipment to get rid of inside chaff simultaneously, and production efficiency is lower relatively.
Disclosure of Invention
In view of the problems in the prior art, the invention aims to provide a rice polishing device with a screening function, which can remove fine impurities and chaff in the rice during polishing, improve the polishing effect to a certain extent and reduce the processing procedures.
In order to achieve the above object, the present invention provides a technical solution as follows:
a rice polishing device with a screening function comprises a box body, wherein a feeding bin is arranged on the upper side of the box body, and a conveying mechanism for conveying rice in the feeding bin is arranged in the feeding bin; a polishing mechanism is arranged on the inner side of the box body and positioned on the lower side of the discharge end of the conveying mechanism, and a spraying mechanism for spraying water to the polishing mechanism is arranged in the box body; a bulk material hopper and a collecting hopper are sequentially arranged on the lower side of the polishing mechanism; the cross sectional area of one end of the bulk material hopper close to the polishing mechanism is smaller, the cross sectional area of one end of the bulk material hopper far away from the polishing mechanism is larger, and air nozzles are uniformly formed in the bulk material hopper; an air injection assembly for injecting air to the air injection port is arranged on the lower side of the bulk cargo hopper; an air exhaust assembly for exhausting air in the box body is arranged outside the box body; the diameter of one side of the collecting hopper close to the bulk material hopper is larger, the diameter of one side of the collecting hopper far away from the bulk material hopper is smaller, and the diameter of the collecting hopper is larger than that of the bulk material hopper; the discharge gate has been seted up to the collecting hopper downside, the discharge gate is connected with ejection of compact pipeline, ejection of compact pipeline extends to the box outside.
Preferably, the feeding bin comprises a cylindrical feeding bin which is horizontally arranged; a feed hopper is arranged on the upper side surface of the feeding bin and positioned at one end of the feeding bin; a feed opening is arranged on the lower side surface of the other end; a plurality of screening openings are uniformly formed in the lower side surface of the feeding bin, a filter screen is wrapped at the screening openings in the feeding bin, and the diameter of rice is larger than the diameter of pores of the filter screen; an ash collecting component is arranged on the feeding bin and positioned on the lower side of the screening opening.
Preferably, the conveying mechanism comprises a rotating shaft which is rotatably connected in the feeding bin, one end of the feeding bin is provided with a feeding motor, and an output shaft of the feeding motor is connected with one end of the rotating shaft; the other end of the rotating shaft is rotatably connected with the inner wall of the feeding bin; and an auger blade is arranged in the feeding bin and positioned on the rotating shaft.
Preferably, the ash collecting component comprises an ash collecting hopper arranged on the lower side of the feeding bin, an air outlet is formed in the ash collecting hopper, and the air outlet is connected with the air exhaust component.
Preferably, the polishing mechanism comprises a stirring shaft vertically arranged in the box body, and an upper polishing frame and a lower polishing disc which are positioned on the upper side of the bulk hopper; a driving motor for driving the stirring shaft to rotate is arranged on one side of the box body; the lower polishing disc is fixed on the box body, and the middle part of the lower polishing disc is provided with a first shaft hole for the stirring shaft to pass through; the vertical section of the lower polishing disk is W-shaped, and a concave polishing groove is formed on one side surface close to the upper polishing frame; discharge openings are formed at the bottom of the polishing groove at intervals; the upper polishing frame comprises a mounting sleeve connected with the stirring shaft and polishing plates, one end of each polishing plate is connected with the mounting sleeve, the other end of each polishing plate is located in the polishing groove, and a plurality of polishing plates are arranged at equal angles along the circumferential direction of the mounting sleeve; the cross section of the polishing plate is V-shaped.
Preferably, the stirring shaft is provided with a material blocking plate on the upper side of the upper polishing frame, the material blocking plate is in a conical shape, and the outer edge of the material blocking plate is positioned right above the polishing groove.
Preferably, the stirring shaft is provided with an elastic component, and the elastic component is elastically connected with the mounting sleeve; the elastic component controls the mounting sleeve to elastically stretch along the length direction of the stirring shaft.
Preferably, a threaded shaft section is arranged on the stirring shaft, and the diameter of the threaded shaft section is larger than that of the stirring shaft; the elastic assembly comprises an upper connecting sleeve, a lower connecting sleeve and a compression spring, wherein the upper connecting sleeve, the lower connecting sleeve and the compression spring are connected to the threaded shaft section; the upper connecting sleeve comprises a limiting pipe section and a sleeving pipe section, the outer diameter of the limiting pipe section is larger than that of the sleeving pipe section, the mounting sleeve is sleeved on the sleeving pipe section, a compression spring is sleeved on the sleeving pipe section, and two ends of the compression spring are respectively abutted against the end surfaces of the limiting pipe section and the mounting sleeve; the lower connecting sleeve is provided with a limiting column at one end close to the upper connecting sleeve, a limiting hole is formed in one end, close to the lower connecting sleeve, of the mounting sleeve, and one end of the limiting column is inserted into the limiting hole.
Preferably, the stirring shaft is a hollow shaft; the lower end of the stirring shaft is connected with an air supply device through a rotary joint; the air injection assembly comprises an air storage cylinder positioned on the stirring shaft, the air storage cylinder is communicated with the inner cavity of the stirring shaft, the air storage cylinder is positioned between the bulk material hopper and the aggregate hopper, a plurality of air outlet pipes are arranged on the air storage cylinder along the circumferential direction, one end of each air outlet pipe is communicated with the inside of the air storage cylinder, and the other end of each air outlet pipe inclines towards one side close to the bulk material hopper.
Preferably, the vertical section of the collecting hopper is W-shaped, a collecting groove is formed on one side surface close to the bulk material hopper, the bottom of the collecting groove is provided with the discharge hole, and the middle part of the collecting hopper is provided with a second shaft hole for the stirring shaft to pass through; the stirring shaft is connected with a scraping plate, the scraping plate is V-shaped and is abutted to the material collecting groove.
The invention provides a rice polishing device with a screening function, which can remove dust in rice to be polished through an auger blade and dust collecting assembly arranged at a feeding bin, has better effect after polishing, and can blow and separate rice bran floats on the inner side of the rice in the rice dispersing and rice collecting processes through a dispersing hopper and a collecting hopper arranged on the lower side of a polishing mechanism, thereby realizing the screening process of the rice and the bran floats. Simultaneously, through the last polishing frame that elasticity set up, polishing the in-process to the rice, carry out the elasticity extrusion to the rice, greatly avoided broken rice to produce.
Drawings
FIG. 1 is a schematic structural view of a rice polishing apparatus having a sieving function according to the present invention;
FIG. 2 is a schematic view of a protruded conveying mechanism in a rice polishing apparatus having a sieving function according to the present invention;
FIG. 3 is a schematic view of a protruded polishing mechanism of a rice polishing apparatus with a sieving function according to the present invention;
FIG. 4 is a schematic view of a protruded elastic member of a rice polishing apparatus having a sieving function according to the present invention;
FIG. 5 is a schematic view showing a protrusion hopper and a collection hopper in the rice polishing apparatus with a sieving function according to the present invention.
Reference numbers in the figures:
100. a box body; 110. a connecting port;
200. a feeding bin; 210. a feed hopper; 220. a feeding port; 230. a screening port; 240. filtering with a screen; 250. a discharging barrel;
300. a transfer mechanism; 310. a rotating shaft; 320. a feeding motor; 330. a screw blade;
400. a polishing mechanism; 410. a stirring shaft; 411. a threaded shaft section; 421. installing a sleeve; 421a, a limit hole; 422. polishing the plate; 430. a lower polishing disk; 431. a first shaft hole; 432. a polishing tank; 433. a discharge opening; 440. a drive motor; 450. a material blocking disc; 460. an elastic component; 461. an upper connecting sleeve; 461a, a limiting pipe section; 461b, a socket pipe section; 462. a lower connecting sleeve; 462a, a limiting column; 463. a compression spring;
500. a spraying mechanism; 510. a water pipe; 520. an atomizing spray head;
600. a dust collecting assembly; 610. a dust collecting hopper; 620. an air outlet;
700. an air exhaust assembly; 710. a bellows; 720. a suction fan; 730. a first suction duct; 740. a second air suction pipeline; 750. a filter plate;
800. a bulk hopper; 810. an air jet; 820. a gas injection assembly; 821. an air cylinder; 822. an air outlet pipe;
900. a collection hopper; 910. a discharge port; 920. a material collecting groove; 930. and a scraping plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The invention provides a rice polishing device with a screening function, which comprises a box body 100, wherein a feeding bin 200 is arranged at the upper side of the box body 100, and a conveying mechanism 300 for conveying rice in the feeding bin 200 is arranged in the feeding bin 200; a polishing mechanism 400 is provided inside the casing 100 below the discharge end of the conveyance mechanism 300, and a spray mechanism 500 for spraying water to the polishing mechanism 400 is provided inside the casing 100. When the rice polishing device is used for polishing rice, firstly, the feeding bin 200 conveys the rice to be polished into the box body 100, and the spraying mechanism 500 and the polishing mechanism 400 synchronously operate inside the box body 100 to polish the rice.
Wherein, the box 100 can be rectangular or cylindrical, and the feeding bin 200 is cylindrical. The feeding bin 200 is horizontally arranged, one end of the feeding bin is positioned at the upper end of the box body 100, and the other end of the feeding bin is positioned at one side of the box body 100, as shown in the figure, positioned at the left side of the box body 100; a feed hopper 210 is arranged on the upper side of the feeding bin 200 and positioned at one end of the feeding bin; and a feed opening 220 is arranged on the lower side surface of the other end. Wherein, one end of the feed hopper 210 is located at the end far away from the box 100, and the feed opening 220 is communicated with the inner side of the box 100.
The conveying mechanism 300 is arranged on the feeding bin 200 and used for conveying the rice in the feeding bin 200, specifically, the conveying mechanism 300 comprises a rotating shaft 310 which is rotatably connected in the feeding bin 200, a feeding motor 320 is arranged at one end of the feeding bin 200, and an output shaft of the feeding motor 320 is connected with one end of the rotating shaft 310; the other end of the rotating shaft 310 is rotatably connected with the inner wall of the feeding bin 200; an auger blade 330 is arranged in the feeding bin 200 and on the rotating shaft 310. When the rice bin is used, the feeding motor 320 drives the rotating shaft 310 to rotate, and the auger blade 330 is driven to rotate in the rotating process of the rotating shaft 310, so that the rice in the bin is pushed to move until the rice enters the bin 100 from the feed opening 220.
In the using process, in order to filter dust and small particle impurities in the rice, a plurality of screening openings 230 are uniformly formed in one side close to the feed hopper 210 and on the lower side surface of the feeding bin 200, a filter screen 240 wraps the screening openings 230 in the feeding bin 200, and the diameter of the rice is larger than the diameter of pores of the filter screen 240; an ash collecting assembly 600 is arranged on the feeding bin 200 and below the screening opening 230. The dust collecting assembly 600 is located at one side of the box 100. When the rice is polished, dust and small particle impurities in the rice pass through the filter screen 240 and are collected by the dust collection assembly 600.
Specifically, the dust collecting assembly 600 includes a dust collecting hopper 610 disposed at the lower side of the feeding bin 200, an air outlet 620 is disposed on the dust collecting hopper 610, an air exhaust assembly 700 is disposed at the outer side of the box 100, the air exhaust assembly 700 is communicated with the air outlet 620, and further, impurities in the dust collecting hopper 610 can be discharged.
A vertical discharging barrel 250 is arranged at the feed opening 220, a polishing mechanism 400 is arranged at the lower end of the discharging barrel 250, and a spraying mechanism 500 is arranged at the circumferential side of the discharging barrel 250.
The spraying mechanism 500 includes a water pipe 510 which is arc-shaped and horizontally arranged, an atomizing nozzle 520 is provided on the lower side surface of the water pipe 510, a plurality of atomizing nozzles 520 are provided at intervals along the length direction of the water pipe 510, and a water supply device for supplying water to the water pipe 510 is provided outside the case 100. The water supply device may be a water pump, or other water supply equipment. Meanwhile, a control valve for controlling the flow rate is arranged on the water pipe 510, so as to control the amount of the water mist sprayed by the atomizing nozzle 520, and ensure that the sprayed water mist amount is moderate.
The polishing mechanism 400 includes a stirring shaft 410 vertically disposed inside the box 100, an upper polishing frame and a lower polishing disk 430 on the upper side of the bulk hopper 800; a driving motor 440 for driving the rotation of the stirring shaft 410 is provided at one side of the case 100. Wherein, the lower polishing disc 430 is fixed on the box body 100, and the middle part is provided with a first shaft hole 431 for the stirring shaft 410 to pass through; the upper polishing frame is connected to the stirring shaft 410, and in the use process, the upper polishing frame is driven to rotate by the driving motor 440, and is matched with the lower polishing disc 430 in the rotation process to polish rice between the upper polishing frame and the lower polishing disc. The driving motor 440 may drive the stirring shaft 410 to rotate through belt transmission, gear transmission, chain transmission, or the like.
Specifically, the vertical cross section of the lower polishing plate 430 is W-shaped, a concave polishing trough 432 is formed on one side surface close to the upper polishing frame, and a plurality of discharge openings 433 are formed at intervals at the bottom of the polishing trough 432. The upper polishing frame comprises a mounting sleeve 421 connected with the stirring shaft 410 and a polishing plate 422 with one end connected to the mounting sleeve 421, the other end is positioned in the polishing groove 432, the polishing plate 422 is arranged at a plurality of equal angles along the circumferential direction of the mounting sleeve 421, and the cross section of the polishing plate 422 is V-shaped. When the rice polisher is used, the stirring shaft 410 rotates to drive the polishing plate 422 to rotate, and the rice in the polishing groove 432 is polished during the rotation of the polishing plate 422.
A material blocking disc 450 is arranged on the stirring shaft 410 and on the upper side of the upper polishing frame, the material blocking disc 450 is in a conical shape, and the outer edge of the material blocking disc 450 is positioned right above the polishing groove 432. Through the material stopping disc 450 who sets up, in the use, both can avoid treating that the polished rice falls into the primary shaft hole 431, simultaneously, can break up the rice of taking the place of polishing, make it evenly fall into polishing groove 432 in, and then better polishing.
Further, in order to polish the rice, a plurality of groups of lower polishing discs 430 and upper polishing frames can be arranged along the length direction of the stirring shaft 410, so that the polished rice is guaranteed to have a better polishing effect.
In carrying out the polishing process to the rice, in order to avoid appearing the broken rice, be provided with elastic component 460 on (mixing) shaft 410, elastic component 460 elastic connection installation sleeve 421, elastic component 460 control installation sleeve 421 is flexible along (mixing) shaft 410 length direction elasticity for go up the polishing frame and possess certain elasticity, and then avoid appearing the broken rice.
Specifically, a threaded shaft section 411 is arranged on the stirring shaft 410, and the diameter of the threaded shaft section 411 is larger than that of the stirring shaft 410; the resilient member 460 is attached to the threaded shaft segment 411.
The resilient assembly 460 includes an upper coupling sleeve 461, a lower coupling sleeve 462 and a compression spring 463 attached to the threaded shaft segment 411. Wherein, the upper connection sleeve 461 and the lower connection sleeve 462 are both screwed on the threaded shaft segment 411.
Go up adapter sleeve 461 and include spacing pipeline section 461a and socket joint pipe section 461b, spacing pipeline section 461a and socket joint pipe section 461b integrated into one piece, the external diameter of spacing pipeline section 461a is greater than socket joint pipe section 461b, and socket joint pipe section 461b is located the one end that is close to adapter sleeve 462 down, when the installation, installation sleeve 421 cup joints on socket joint pipe section 461b, and cup jointed compression spring 463 on socket joint pipe section 461b, the both ends of compression spring 463 abut the terminal surface of spacing pipeline section 461a and installation sleeve 421 respectively.
A limiting post 462a is disposed at one end of the lower connecting sleeve 462 close to the upper connecting sleeve 461, a limiting hole 421a is disposed at one end of the mounting sleeve 421 close to the lower connecting sleeve 462, and one end of the limiting post 462a is inserted into the limiting hole 421 a. Through the limiting column 462a and the limiting hole 421a, the mounting sleeve 421 can be limited, so that the mounting sleeve can rotate along with the stirring shaft 410 and can move along the direction of the stirring shaft 410.
In use, the amount of resilience of the mounting sleeve 421 against the compression spring 463 can be adjusted by rotating the distance between the upper and lower coupling sleeves 461, 462. Meanwhile, the distance between the upper polishing frame and the lower polishing disk 430 can be adjusted by matching the positions of the upper connecting sleeve 461 and the lower connecting sleeve 462 on the threaded shaft section 411, thereby avoiding broken rice during polishing.
After the rice is polished, the bran on the surface of the rice can be separated, and a dispersing hopper 800 and a collecting hopper 900 are sequentially provided below the polishing mechanism 400 so that the bran can be removed.
Wherein, the cross-sectional area of one end of the bulk material bucket 800 close to the polishing mechanism 400 is smaller, the cross-sectional area of one end far away from the polishing mechanism 400 is larger, and the bulk material bucket 800 is uniformly provided with air nozzles 810. An air injection module 820 for injecting air to the air injection port 810 is arranged at the lower side of the bulk cargo hopper 800; an exhaust unit 700 for exhausting air from the inside of the cabinet 100 is provided outside the cabinet 100. Wherein, bulk cargo fill 800 is connected with (mixing) shaft 410, and in (mixing) shaft 410 rotation in-process, bulk cargo fill 800 rotates in step. The collection hopper 900 is connected to the inner wall of the case 100.
The diameter of one side of the collecting hopper 900 close to the bulk hopper 800 is larger, the diameter of one side far away from the bulk hopper 800 is smaller, and the diameter of the collecting hopper 900 is larger than that of the bulk hopper 800; a discharge port 910 is formed at the lower side of the collecting hopper 900, and the discharge port 910 is connected with a discharge pipeline which extends to the outer side of the box 100.
Specifically, the vertical section of the collecting hopper 900 is W-shaped, a collecting groove 920 is formed on one side surface close to the bulk hopper 800, a discharge port 910 is formed at the bottom of the collecting groove 920, and a second shaft hole for the stirring shaft 410 to pass through is formed in the middle of the collecting hopper 900; the stirring shaft 410 is connected with a scraping plate 930, the scraping plate 930 is V-shaped, and the scraping plate 930 is abutted to the material collecting groove 920. During use, the scraper plate 930 can scrape the rice in the collection hopper 900 into the discharge port 910.
The stirring shaft 410 is a hollow shaft; the lower end of the stirring shaft 410 is connected with an air supply device through a rotary joint;
the air injection assembly 820 comprises an air storage cylinder 821 positioned on the stirring shaft 410, the air storage cylinder 821 is communicated with the inner cavity of the stirring shaft 410, the air storage cylinder 821 is positioned between the bulk material hopper 800 and the bulk material hopper 900, a plurality of air outlet pipes 822 are arranged on the air storage cylinder 821 in the circumferential direction, one end of each air outlet pipe 822 is communicated with the air storage cylinder 821, and the other end of each air outlet pipe inclines to one side close to the bulk material hopper 800. When the rice husk separator is used, the air supply device supplies air, the air outlet pipe 822 sprays the air to blow the dispersing hopper 800, and then the floating bran is separated from the rice.
Further, a connection port 110 is provided in the tank 100, the connection port 110 is connected to an air exhaust unit 700, and the air exhaust unit 700 sucks out the blown-up bran.
The air exhaust assembly 700 comprises an air box 710, one end of the air box 710 is connected with a suction fan 720, the other end of the air box 710 is provided with a first air suction pipeline 730 and a second air suction pipeline 740, the first air suction pipeline 730 is connected with an ash collecting hopper 610, and the second air suction pipeline 740 is connected with the inside of the box body 100. A filter plate 750 is provided in the bellows 710 to filter impurities. Wherein the bellows 710 may be opened, and at intervals the bellows 710 may be opened to clean the magazines from the inside.
When the rice polishing device described in the application is used for polishing rice, firstly, the rice to be polished is added from the feeding bin 200, the rice is conveyed and stirred in the feeding bin 200 through the auger blades 330, fine impurities in the rice are removed in the process, then the rice to be polished enters the box body 100 for polishing, in the polishing process, the rice is sprayed through the spraying mechanism 500, meanwhile, the polishing mechanism 400 continuously polishes the rice, and the polished rice is discharged out of the box body 100 after being subjected to impurity removal through the scattering hopper 800 and the collecting hopper 900, so that polishing is completed.
The invention provides a rice polishing device with a screening function, which can remove dust in rice to be polished through an auger blade 330 and a dust collecting component 600 arranged at a feeding bin 200, has better effect after polishing, and can blow and separate chaff at the inner side of the rice in the rice dispersing and rice collecting process through a dispersing hopper 800 and a collecting hopper 900 arranged at the lower side of a polishing mechanism 400, thereby realizing the rice screening process. Meanwhile, the upper polishing frame 420 is elastically arranged, so that the rice is elastically extruded in the rice polishing process, and broken rice is greatly avoided.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The embodiments and features of the embodiments of the invention may be combined with each other without conflict. In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A rice polishing device with a screening function is characterized by comprising a box body (100), wherein a feeding bin (200) is arranged on the upper side of the box body (100), and a conveying mechanism (300) for conveying rice in the feeding bin (200) is arranged in the feeding bin (200);
a polishing mechanism (400) is arranged on the inner side of the box body (100) and positioned on the lower side of the discharge end of the conveying mechanism (300), and a spraying mechanism (500) for spraying water to the polishing mechanism (400) is arranged in the box body (100);
a bulk material hopper (800) and a collecting hopper (900) are sequentially arranged on the lower side of the polishing mechanism (400); the cross sectional area of one end, close to the polishing mechanism (400), of the material dispersing hopper (800) is smaller, the cross sectional area of one end, far away from the polishing mechanism (400), of the material dispersing hopper is larger, and the material dispersing hopper (800) is uniformly provided with air vents (810);
an air injection module (820) for injecting air to the air injection port (810) is arranged below the bulk material hopper (800); an exhaust assembly (700) for exhausting air in the box body (100) is arranged outside the box body (100);
the diameter of one side, close to the bulk material hopper (800), of the aggregate hopper (900) is larger, the diameter of one side, far away from the bulk material hopper (800), of the aggregate hopper (900) is smaller, and the diameter of the aggregate hopper (900) is larger than that of the bulk material hopper (800);
a discharge port (910) is formed in the lower side of the collecting hopper (900), a discharge pipeline is connected to the discharge port (910), and the discharge pipeline extends to the outer side of the box body (100);
the polishing mechanism (400) comprises a stirring shaft (410) vertically arranged in the box body (100), and an upper polishing frame and a lower polishing disk (430) which are positioned on the upper side of the bulk bin (800); a driving motor (440) for driving the stirring shaft (410) to rotate is arranged on one side of the box body (100);
the lower polishing disc (430) is fixed on the box body (100), and the middle part of the lower polishing disc is provided with a first shaft hole (431) for the stirring shaft (410) to pass through; the vertical section of the lower polishing disc (430) is W-shaped, and an inwards concave polishing groove (432) is formed on one side surface close to the upper polishing frame; discharge openings (433) are formed in the bottom of the polishing trough (432) at intervals;
the upper polishing frame comprises a mounting sleeve (421) connected with the stirring shaft (410) and a polishing plate (422), one end of the polishing plate (422) is connected with the mounting sleeve (421), the other end of the polishing plate is positioned in the polishing groove (432), and the polishing plate (422) is arranged at a plurality of equal angles along the circumferential direction of the mounting sleeve (421).
2. The rice polishing device with the sieving function according to claim 1, wherein the feeding bin (200) comprises a cylindrical feeding bin (200), and the feeding bin (200) is horizontally arranged;
a feed hopper (210) is arranged on the upper side surface of the feeding bin (200) and positioned at one end of the feeding bin; a feed opening (220) is arranged on the lower side surface of the other end;
a plurality of screening openings (230) are uniformly formed in the lower side surface of the feeding bin (200), a filter screen (240) is wrapped at the screening openings (230) in the feeding bin (200), and the diameter of rice is larger than the diameter of pores of the filter screen (240);
an ash collecting component (600) is arranged on the feeding bin (200) and positioned at the lower side of the screening opening (230).
3. The rice polishing device with the sieving function according to claim 2, wherein the conveying mechanism (300) comprises a rotating shaft (310) rotatably connected in the feeding bin (200), one end of the feeding bin (200) is provided with a feeding motor (320), and an output shaft of the feeding motor (320) is connected with one end of the rotating shaft (310); the other end of the rotating shaft (310) is rotatably connected with the inner wall of the feeding bin (200);
and an auger blade (330) is arranged in the feeding bin (200) and positioned on the rotating shaft (310).
4. The rice polishing device with the sieving function as claimed in claim 2, wherein the ash collecting assembly (600) comprises an ash collecting hopper (610) arranged at the lower side of the feeding bin (200), an air outlet (620) is arranged on the ash collecting hopper (610), and the air outlet (620) is connected with the air exhaust assembly (700).
5. The rice polishing apparatus with a sieving function as claimed in claim 1, wherein the polishing plate (422) has a V-shaped cross-section.
6. The rice polishing device with the sieving function according to claim 5, wherein a material blocking plate (450) is arranged on the stirring shaft (410) and on the upper side of the upper polishing rack, the material blocking plate (450) is in a shape of a cone, and the outer edge of the material blocking plate (450) is positioned right above the polishing groove (432).
7. The rice polishing device with the sieving function as claimed in claim 5, wherein an elastic member (460) is provided on the stirring shaft (410), the elastic member (460) is elastically connected to the mounting sleeve (421);
the elastic component (460) controls the installation sleeve (421) to elastically stretch along the length direction of the stirring shaft (410).
8. The rice polishing device with the sieving function as claimed in claim 7, wherein a threaded shaft section (411) is provided on the stirring shaft (410), and the diameter of the threaded shaft section (411) is larger than that of the stirring shaft (410);
the resilient assembly (460) includes an upper connection sleeve (461), a lower connection sleeve (462), and a compression spring (463) connected to the threaded shaft section (411);
the upper connecting sleeve (461) comprises a limiting pipe section (461a) and a sleeving pipe section (461b), the outer diameter of the limiting pipe section (461a) is larger than that of the sleeving pipe section (461b), the mounting sleeve (421) is sleeved on the sleeving pipe section (461b), a compression spring (463) is sleeved on the sleeving pipe section (461b), and two ends of the compression spring (463) are respectively abutted against the end faces of the limiting pipe section (461a) and the mounting sleeve (421);
one end of the lower connecting sleeve (462), which is close to the upper connecting sleeve (461), is provided with a limiting column (462a), one end of the mounting sleeve (421), which is close to the lower connecting sleeve (462), is provided with a limiting hole (421a), and one end of the limiting column (462a) is inserted into the limiting hole (421 a).
9. The rice polishing device with the function of sieving as claimed in claim 5, wherein said stirring shaft (410) is a hollow shaft;
the lower end of the stirring shaft (410) is connected with an air supply device through a rotary joint;
the air injection assembly (820) comprises an air storage cylinder (821) located on the stirring shaft (410), the air storage cylinder (821) is communicated with the inner cavity of the stirring shaft (410), the air storage cylinder (821) is located between the bulk material hopper (800) and the aggregate hopper (900), a plurality of air outlet pipes (822) are arranged on the air storage cylinder (821) along the circumferential direction, one end of each air outlet pipe (822) is communicated with the interior of the air storage cylinder (821), and the other end of each air outlet pipe inclines to one side close to the bulk material hopper (800).
10. The rice polishing device with the screening function as claimed in claim 5, wherein the vertical section of the collecting hopper (900) is W-shaped, a collecting groove (920) is formed on one side surface close to the bulk hopper (800), the bottom of the collecting groove (920) is provided with the discharge hole (910), and the middle part of the collecting hopper (900) is provided with a second shaft hole for the stirring shaft (410) to pass through; the stirring shaft (410) is connected with a scraping plate (930), the scraping plate (930) is V-shaped, and the scraping plate (930) is abutted to the material collecting groove (920).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011477520.3A CN112495466B (en) | 2020-12-15 | 2020-12-15 | Rice burnishing device with screening function |
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| CN202011477520.3A CN112495466B (en) | 2020-12-15 | 2020-12-15 | Rice burnishing device with screening function |
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| CN112495466A CN112495466A (en) | 2021-03-16 |
| CN112495466B true CN112495466B (en) | 2022-06-14 |
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| GB626883A (en) * | 1946-10-15 | 1949-07-22 | W E Moulsdale & Co Ltd | Apparatus for removing the outer layers from hard-kernelled grains |
| CN201195117Y (en) * | 2008-04-18 | 2009-02-18 | 丁军 | Novel vertical wheat brush machine |
| RU2616792C1 (en) * | 2016-07-14 | 2017-04-18 | Илья Александрович Семин | Disintegrator-classifier of loose materials |
| CN106345558B (en) * | 2016-11-16 | 2018-07-31 | 余庆县大凉山米业有限责任公司 | Rice burnishing device |
| CN210187229U (en) * | 2019-05-30 | 2020-03-27 | 广东秋盛生态农业科技有限公司 | Rice grinding device with screening function |
| CN111686841A (en) * | 2020-07-15 | 2020-09-22 | 江西东坚农业发展有限公司 | Full-automatic rice polishing machine |
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Denomination of invention: A Rice Polishing Device with Screening Function Effective date of registration: 20231110 Granted publication date: 20220614 Pledgee: Tianchang Science and Technology Financing Guarantee Co.,Ltd. Pledgor: TIANCHANG TIANXIN GRAIN AND OIL TRADING CO.,LTD. Registration number: Y2023980065079 |