阅读说明：本技术 一种米粉加工中的筛选除杂工艺 (Screening and impurity removing process in rice flour processing ) 是由 梁龙盛 于 2020-07-02 设计创作，主要内容包括：本发明公开了一种米粉加工中的筛选除杂工艺,该筛选除杂工艺包括如下步骤；步骤一：初滤,将待筛选除杂的米粉放在初滤机构的内部进行筛选；步骤二：分散,将初滤后的米粉进行分散,米粉在分散机构的内部分散后落入到框架箱的内部；步骤三：精滤,米粉从分散机构进入到框架箱的内部时,经过第二过滤网板的过滤,杂质得到去除。抽取吸附过程中,大于磁性网板网孔的颗粒被滤出落在装载箱的内部,不会进入到抽取管的内部。其他材质的颗粒重量较大,难以被风力吸入抽取管的内部,进而使得其他材质的颗粒能残留在装载箱的内部,不会进入到中部框的内部。初步过滤,将米粉内部掺杂的铁质颗粒以及其他材质的颗粒和大于磁性网板网孔的颗粒筛除。(The invention discloses a screening and impurity removing process in rice flour processing, which comprises the following steps; the method comprises the following steps: primary filtering, namely placing the rice flour to be screened and decontaminated in a primary filtering mechanism for screening; step two: dispersing, namely dispersing the rice flour subjected to primary filtration, and allowing the rice flour to fall into the frame box after being dispersed in the dispersing mechanism; step three: and (4) fine filtration, wherein when the rice flour enters the frame box from the dispersing mechanism, impurities are removed through filtration of the second filter screen plate. In the process of extraction and adsorption, particles larger than meshes of the magnetic screen plate are filtered out and fall into the loading box, and cannot enter the extraction pipe. The granule weight of other materials is great, is difficult to by the inside of wind-force suction extraction pipe, and then makes the granule of other materials can remain in the inside of loading case, can not enter into the inside of middle part frame. And (4) primary filtering, namely screening out iron particles and particles made of other materials doped in the rice flour and particles larger than meshes of the magnetic screen plate.)

1. A screening impurity removal process in rice flour processing is characterized by comprising the following steps;

the method comprises the following steps: primary filtering, namely placing the rice flour to be filtered and subjected to impurity removal in a primary filtering mechanism (7) for screening, and screening out iron particles and other metal particles doped in the rice flour and particles larger than meshes of the magnetic screen plate (27);

step two: dispersing, namely dispersing the rice flour subjected to primary filtration, and allowing the rice flour to fall into the frame box (1) after being dispersed in the dispersing mechanism (3);

step three: fine filtering, wherein when the rice flour enters the frame box (1) from the dispersing mechanism (3), impurities are removed through filtering of a second filter screen plate (40);

the primary filtering mechanism (7) comprises a loading box (16), one side of the loading box (16) is connected with a feed hopper (17), one end of the loading box (16) is provided with a detachable sealing plate (24), one end of the sealing plate (24) facing the loading box (16) is rotatably provided with a second rotating rod (28), and the outside of the second rotating rod (28) is connected with a plurality of magnetic screen plates (27); a plurality of loading cylinders (22) are mounted above the interior of the loading box (16), the upper ends of the loading cylinders (22) are connected with an extraction pipe (15), the other end of the extraction pipe (15) is connected with an air inlet of a fan (14), and an air outlet of the fan (14) is connected with a collecting pipe (13) through a pipeline;

a detachable first filter screen plate (29) is installed at the bottom end of the interior of the loading barrel (22), and a shoveling mechanism is installed in the middle of the first filter screen plate (29);

the filter is characterized in that the primary filter mechanism (7) is detachably mounted on the upper portion of the frame box (1), a dispersion mechanism (3) is further mounted between the top of the frame box (1) and the primary filter mechanism (7), the dispersion mechanism (3) comprises a middle frame (5), one end of a collecting pipe (13) is in through connection with the middle frame (5) through a connecting hose (12), a plurality of rotating shafts (8) are rotatably mounted in the middle frame (5), the middle frame (5) can rotate on the upper portion of the frame box (1), a second filter screen plate (40) which is obliquely arranged is mounted at the top of the frame box (1) under the middle frame (5), the inside of the middle frame (5) is in through connection with the inside of the frame box (1) through the second filter screen plate (40), and rubber plates are connected between the periphery of the bottom of the middle frame (5) and the top of the frame box (1);

the bottom both sides of loading case (16) all are connected with a plurality of bracing piece (11), and the bottom of a plurality of bracing piece (11) all is connected with positioning mechanism's top, and the top both sides of frame case (1) all are provided with sliding tray (4) along length direction, and positioning mechanism passes through sliding tray (4) and installs with frame case (1).

2. The screening and impurity removing process in rice flour processing according to claim 1, wherein the positioning mechanism comprises end plates (2), pressing plates (18) are connected to the upper sides of the opposite sides of the end plates (2) on the two sides, convex plates (20) are connected to the lower sides of the opposite sides of the end plates, and the bottoms of the supporting rods (11) are connected with the pressing plates (18) through first electric telescopic columns (19).

3. The screening and impurity removing process in rice flour processing as claimed in claim 2, wherein the convex plate (20) is slidably mounted inside the sliding groove (4), a second electric telescopic column (21) is vertically mounted at the upper end inside the sliding groove (4), the bottom of the second electric telescopic column (21) is connected with a push plate, and the push plate is abutted against the top of the convex plate (20).

4. The screening edulcoration technology in ground rice processing of claim 1, characterized in that, detachable apron (6) are installed to the one end of middle part frame (5), the both ends of pivot (8) all rotate the installation with the inner wall of middle part frame (5), and the external connection of pivot (8) has the acanthus leaf (10) of the crooked setting of a plurality of, and middle part frame (5) are rotated through first dwang (9) and are installed between two risers, the bottom of riser and the top fixed connection of frame case (1).

5. The screening and impurity removing process in rice flour processing according to claim 1, wherein a sealing gasket (26) is connected to the outer edge of the sealing plate (24), the periphery of the sealing plate (24) is fixedly connected with the loading box (16) through a plurality of fastening bolts (23), one end of a second rotating rod (28) penetrates through the sealing plate (24) to be connected with the output end of a motor (25), and the motor (25) is fixedly installed on the sealing plate (24).

6. The screening and impurity-removing process in rice flour processing according to claim 1, wherein the shoveling mechanism comprises a third rotating rod (30), a bearing sleeve (35) is sleeved at the middle end of the outer part of the third rotating rod (30), and the outer ring of the bearing sleeve (35) is fixedly connected with the middle part of the first filter screen plate (29); and the both ends outside of third dwang (30) all is connected with a plurality of connecting plate (31), both ends connecting plate (31) all are connected with scraper blade (33) towards one side of first filter screen board (29), be connected with a plurality of third electric telescopic column (34) between scraper blade (33) and connecting plate (31), and scraper blade (33) and first filter screen board (29) contact, the periphery of first filter screen board (29) is connected with round outer shell cover (32), outer shell cover (32) and loading section of thick bamboo (22) threaded connection.

7. The screening and impurity removing process in rice flour processing according to claim 1, wherein a sliding plate (36) which is obliquely arranged below the second filter screen plate (40) is arranged in the frame box (1), a discharge outlet (37) is formed in one end of the bottom of the frame box (1), a blocking plate (39) is connected to one end of the second filter screen plate (40) on the upper portion of the frame box (1), a storage tank is arranged between the blocking plate (39) and the second filter screen plate (40), and a slag discharge pipe (38) is connected to one end of the storage tank.

Technical Field

The invention relates to an impurity removal process, in particular to a screening impurity removal process in rice flour processing, and belongs to the field of rice flour processing application.

Background

The rice flour is a powdery material prepared by grinding rice serving as a raw material. In order to ensure the quality of rice flour, the rice flour is usually subjected to impurity removal by a screening and impurity removal process.

However, the screening and impurity removing process in the existing rice flour processing still has certain defects. The prior screening and impurity removing process in the rice flour processing has the defects of incomplete impurity removal and low impurity removing efficiency. Meanwhile, instruments used for impurity removal are not convenient and rapid enough, cannot be adjusted according to actual needs, and are large in limitation.

Disclosure of Invention

The invention aims to provide a screening and impurity-removing process in rice flour processing, which can solve the problems that the impurity in rice flour is not thoroughly removed and the impurity-removing efficiency is low in the existing screening and impurity-removing process in rice flour processing. Meanwhile, instruments used for impurity removal are not convenient and fast enough, and cannot be adjusted according to actual needs, so that the technical problem of large limitation is solved.

The purpose of the invention can be realized by the following technical scheme:

a screening impurity removing process in rice flour processing comprises the following steps;

the method comprises the following steps: primary filtering, namely placing the rice flour to be filtered and subjected to impurity removal in a primary filtering mechanism for screening, and screening out iron particles and other metal particles doped in the rice flour and particles larger than meshes of the magnetic screen;

step two: dispersing, namely dispersing the rice flour subjected to primary filtration, and allowing the rice flour to fall into the frame box after being dispersed in the dispersing mechanism;

step three: and (4) fine filtration, wherein when the rice flour enters the frame box from the dispersing mechanism, impurities are removed through filtration of the second filter screen plate.

The primary filtering mechanism comprises a loading box, one side of the loading box is connected with a feed hopper, one end of the loading box is provided with a detachable sealing plate, one end of the sealing plate, facing the loading box, is rotatably provided with a second rotating rod, and the outside of the second rotating rod is connected with a plurality of magnetic screen plates; a plurality of loading barrels are installed above the inside of the loading box, the upper end of each loading barrel is connected with an extraction pipe, the other end of each extraction pipe is connected with an air inlet of a fan, and an air outlet of each fan is connected with a collecting pipe through a pipeline.

The first filter screen plate of detachable is installed to the inside bottom of loading a section of thick bamboo, and the mid-mounting of first filter screen plate has the shovel to move the mechanism.

Just strain the upper portion that mechanism detachable installed at the frame case, and still install dispersion mechanism between the top of frame case and the first mechanism of straining, dispersion mechanism includes the middle part frame, coupling hose and middle part frame through connection are passed through to the one end of collecting pipe, a plurality of pivot is installed in the inside rotation of middle part frame, and the middle part frame can rotate on the upper portion of frame case, the second that the slope set up is installed under the frame of middle part in the top of frame case filters the otter board, and the inside through connection of second filtration otter board and frame case is passed through to the inside of middle part frame, all be connected with the rubber slab around the bottom of middle part frame and between the top of frame case.

The bottom both sides of loading the case all are connected with a plurality of bracing piece, and the bottom of a plurality of bracing piece all is connected with positioning mechanism's top, and the top both sides of frame case all are provided with the sliding tray along length direction, and positioning mechanism passes through the sliding tray and installs with the frame case.

Preferably, positioning mechanism includes the tip board, and the opposite one side top of the tip board of both sides all is connected with the clamp plate, and the below all is connected with the flange, and the bottom of bracing piece is connected with the clamp plate through first electronic flexible post.

Preferably, the flange slidable mounting is in the inside of sliding tray, and the vertical electronic flexible post of second of installing in the inside upper end of sliding tray, the bottom of the electronic flexible post of second is connected with the push pedal, and the top butt of push pedal and flange.

Preferably, the detachable apron is installed to the one end of middle part frame, and the both ends of pivot all rotate the installation with the inner wall of middle part frame, and the external connection of pivot has the acanthus leaf that the bending of a plurality of set up, and the middle part frame is rotated through first rotation pole and is installed between two risers, the bottom of riser and the top fixed connection of frame case.

Preferably, the outside edge of closing plate is connected with sealed the pad, and all through a plurality of fastening bolt and loading case fixed connection around the closing plate, and the one end of second dwang runs through the output that the closing plate is connected with the motor, and motor and closing plate fixed mounting.

Preferably, the shoveling mechanism comprises a third rotating rod, a bearing sleeve is sleeved at the middle end of the outer part of the third rotating rod, and the outer ring of the bearing sleeve is fixedly connected with the middle part of the first filter screen plate; and the both ends outside of third dwang all is connected with a plurality of connecting plate, and the both ends connecting plate all is connected with the scraper blade towards one side of first filter screen board, is connected with the electronic flexible post of a plurality of third between scraper blade and the connecting plate, and the scraper blade contacts with first filter screen board, and the periphery of first filter screen board is connected with round jacket, jacket and loading barrel threaded connection.

Preferably, the slide plate frame box that the slope set up is installed to the below of second filter screen plate in the inside of frame case one end is provided with the bin outlet, and the upper portion of frame case is connected with the barrier plate in the one end of second filter screen plate, is provided with the hold up tank between barrier plate and the second filter screen plate, and the one end of hold up tank is connected with the scum pipe.

The invention has the beneficial effects that:

1. through setting up multichannel screening process for the impurity of the inside of ground rice can be by abundant getting rid of, and ground rice's quality is better. And when the impurities are removed, the cost is low, and the operation is simple. Through setting up the preliminary filtration mechanism for the ground rice that the edulcoration was treated in the work can be put into the inside of loading the case from the feeder hopper and is filtered. The second dwang rotates, and then drives outside a plurality of magnetism otter board and rotate, and second dwang and a plurality of magnetism otter board mix the stirring to the rice flour that loads incasement portion for rice flour can obtain abundant mixture in inside. During the stirring process, iron particle impurities doped in the rice flour are adsorbed outside the magnetic screen plate. During the rice flour mixing and stirring process, the fan starts to operate, the fan extracts the stirred rice flour into the collecting pipe through the extracting pipe, and then the rice flour is conveyed into the middle frame from the collecting pipe. In the process of extraction and adsorption, particles larger than meshes of the magnetic screen plate are filtered out and fall into the loading box, and cannot enter the extraction pipe. The granule weight of other materials is great, is difficult to by the inside of wind-force suction extraction pipe, and then makes the granule of other materials can remain in the inside of loading case, can not enter into the inside of middle part frame. And (4) primary filtering, namely screening out iron particles and particles made of other materials doped in the rice flour and particles larger than meshes of the magnetic screen plate. The screening efficiency is high, and the screening cost is low.

2. Through installing shovel moving mechanism on first filter screen board for the fan operation in-process can drive the third dwang and rotate, and then drives outside a plurality of connecting plate and rotate, and the scraper blade rotates along with the connecting plate, and the scraper blade strikes off first filter screen board outside adnexed impurity, avoids the impurity to lead to the fact the jam to first filter screen board, makes first filter screen board can keep higher filtration efficiency, need not the manual work in the use and clears up.

3. Through setting up the closing plate that can dismantle for in the work if load the inside of case or when the magnetism otter board needs the clearance, dismantle the closing plate from the one end that loads the case, can take out second dwang and magnetism otter board, and then make things convenient for the magnetism otter board and load the inside cleanness of case. The cleaning is convenient and fast, and the cleaning can be more sufficient.

4. Through setting up dispersion mechanism for when the ground rice disperses in the inside of middle part frame, first rotation pole drives the left and right sides circulation of middle part frame between two risers and rocks, makes the effect that the middle part frame can play and rock, is favorable to the dispersion of inside ground rice. And a plurality of rotating shafts rotate to drive a plurality of outer leaf plates to incite the internal rice flour. The rice flour which is incited up passes through the second filter screen plate and falls into the interior of the frame box. When the rice flour is dispersed, certain particles with larger sizes are filtered by the second filter screen plate and slide to the inside of the storage tank along with the second filter screen plate, and finally, the particles remained in the storage tank are discharged from the slag discharge pipe. Not only the dispersing effect is good, but also the subsequent cleaning is convenient and fast. The rice flour falls into the frame box, slides to the discharge opening along the sliding plate, and is discharged from the discharge opening.

5. Through setting up positioning mechanism for can dismantle the change with straining the mechanism from the upper portion of frame case earlier according to actual needs in the use. The electronic flexible post of second contracts, can push the end plate and remove along the sliding tray. During the installation, the flange is installed in the inside of sliding tray, and the clamp plate is pressed at the upper portion edge of frame case, will just strain the mechanism and promote behind required position, and the electronic flexible post of second extends downwards, drives push pedal and flange butt, carries on spacingly to the flange, and then makes whole just strain mechanism position stability. And the height of the loading box can be adjusted according to the sizes of the loading box and the middle frame in use. When the height of loading the case adjusted, first electronic flexible post stretches out and draws back, can drive and load the case and move in vertical direction, adjusts simply swiftly, can adapt to different work demands.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the internal structure of the inner frame of the present invention.

FIG. 3 is a schematic view of a rotating shaft structure according to the present invention.

FIG. 4 is a schematic structural diagram of the primary filter mechanism of the present invention.

FIG. 5 is an enlarged view of a portion A of FIG. 4 according to the present invention.

FIG. 6 is a schematic view of the inner structure of the sliding groove of the present invention.

Fig. 7 is a schematic view of the internal structure of the loading compartment of the present invention.

Fig. 8 is a schematic view of the structure of the loading cylinder of the present invention.

Fig. 9 is a schematic structural view of the shoveling mechanism of the present invention.

Fig. 10 is a schematic view of the internal structure of the frame box of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, a screening and impurity removing process in rice flour processing includes the following steps;

the method comprises the following steps: primary filtering, namely placing the rice flour to be filtered and subjected to impurity removal in a primary filtering mechanism 7 for filtering, and screening out iron particles and other metal particles doped in the rice flour and particles larger than the meshes of the magnetic screen plate 27;

step two: dispersing, namely dispersing the rice flour subjected to primary filtration, and allowing the rice flour to fall into the frame box 1 after being dispersed in the dispersing mechanism 3;

step three: and (3) fine filtering, wherein when the rice flour enters the frame box 1 from the dispersing mechanism 3, impurities are removed through filtering of the second filter screen plate 40.

The primary filtering mechanism 7 comprises a loading box 16, one side of the loading box 16 is connected with a feed hopper 17, one end of the loading box 16 is provided with a detachable sealing plate 24, one end of the sealing plate 24 facing the loading box 16 is rotatably provided with a second rotating rod 28, and the outside of the second rotating rod 28 is connected with a plurality of magnetic screen plates 27; a plurality of loading barrels 22 are mounted above the inside of the loading box 16, the upper ends of the loading barrels 22 are connected with an extraction pipe 15, the other end of the extraction pipe 15 is connected with an air inlet of the fan 14, and an air outlet of the fan 14 is connected with the collecting pipe 13 through a pipeline.

The bottom end in the loading barrel 22 is provided with a detachable first filter screen plate 29, and the middle part of the first filter screen plate 29 is provided with a shoveling mechanism.

Just strain 7 detachable of mechanism and install the upper portion at frame case 1, and still install dispersion mechanism 3 between frame case 1's top and the first mechanism 7 of straining, dispersion mechanism 3 includes middle part frame 5, connecting hose 12 and middle part frame 5 through connection are passed through to collecting pipe 13's one end, a plurality of pivot 8 is installed in the inside rotation of middle part frame 5, and middle part frame 5 can rotate on frame case 1's upper portion, the second filter plate 40 that the slope set up is installed under middle part frame 5 at frame case 1's top, and the inside through connection of second filter plate 40 and frame case 1 is passed through to middle part frame 5's inside, all be connected with the rubber slab around the bottom of middle part frame 5 and between frame case 1's the top.

The bottom both sides of loading case 16 all are connected with a plurality of bracing piece 11, and the bottom of a plurality of bracing piece 11 all is connected with positioning mechanism's top, and the top both sides of frame case 1 all are provided with sliding tray 4 along length direction, and positioning mechanism passes through sliding tray 4 and frame case 1 installation.

As a technical optimization scheme of the invention, the positioning mechanism comprises end plates 2, a pressing plate 18 is connected to the upper side of one opposite side of each of the end plates 2 at two sides, a convex plate 20 is connected to the lower side of each of the end plates, the bottom of the supporting rod 11 is connected with the pressing plate 18 through a first electric telescopic column 19, and when the height of the loading box 16 is adjusted, the first electric telescopic column 19 is telescopic, so that the loading box 16 can be driven to move in the vertical direction, the adjustment is simple and rapid, and different working requirements can be met.

As a technical optimization scheme of the invention, the convex plate 20 is slidably mounted inside the sliding groove 4, the second electric telescopic column 21 is vertically mounted at the upper end inside the sliding groove 4, the bottom of the second electric telescopic column 21 is connected with a push plate, the push plate is abutted against the top of the convex plate 20, the convex plate 20 is mounted inside the sliding groove 4, the press plate 18 is pressed on the upper edge of the frame box 1, the primary filter mechanism 7 is pushed to a required position, the second electric telescopic column 21 extends downwards to drive the push plate to be abutted against the convex plate 20, and the convex plate 20 is limited, so that the position of the whole primary filter mechanism 7 is stable.

As a technical optimization scheme of the invention, one end of a middle frame 5 is provided with a detachable cover plate 6, two ends of a rotating shaft 8 are rotatably installed with the inner wall of the middle frame 5, the outer part of the rotating shaft 8 is connected with a plurality of leaf plates 10 which are arranged in a bent mode, the middle frame 5 is rotatably installed between two vertical plates through a first rotating rod 9, the bottoms of the vertical plates are fixedly connected with the top of a frame box 1, and the rotating shaft 8 rotates to drive the outer leaf plates 10 to incite rice flour inside, so that the rice flour is favorably dispersed.

As a technical optimization scheme of the invention, the outer edge of the sealing plate 24 is connected with a sealing gasket 26, the periphery of the sealing plate 24 is fixedly connected with the loading box 16 through a plurality of fastening bolts 23, one end of the second rotating rod 28 penetrates through the sealing plate 24 to be connected with the output end of the motor 25, the motor 25 and the sealing plate 24 are fixedly installed, the sealing plate 24 can be freely installed and disassembled, and the loading box 16 and the magnetic screen plate 27 can be conveniently cleaned.

As a technical optimization scheme of the invention, the shoveling mechanism comprises a third rotating rod 30, a bearing sleeve 35 is sleeved at the middle end of the outer part of the third rotating rod 30, and the outer ring of the bearing sleeve 35 is fixedly connected with the middle part of the first filter screen plate 29; and the both ends outside of third dwang 30 all is connected with a plurality of connecting plate 31, and one side that both ends connecting plate 31 faced first filter screen board 29 all is connected with scraper blade 33, is connected with a plurality of third electronic flexible post 34 between scraper blade 33 and the connecting plate 31, and scraper blade 33 and first filter screen board 29 contact, and the periphery of first filter screen board 29 is connected with round outer shell 32, outer shell 32 and the threaded connection of loading section of thick bamboo 22. The third rotating rod 30 drives the scraper 33 to rotate, and the scraper 33 can clean the first filter screen plate 29. The outer housing 32 facilitates the installation and removal of the first filter screen panel 29 from the interior of the loading cartridge 22. The third electric telescopic column 34 can adjust the distance between the scraper 33 and the connecting plate 31, and avoid the reduction of cleaning capacity after the scraper 33 is worn, so that the position of the scraper 33 can be freely adjusted, and the replacement frequency of the scraper 33 is reduced.

As a technical optimization scheme of the invention, a sliding plate 36 which is obliquely arranged below a second filter screen plate 40 is arranged in the frame box 1, one end of the bottom of the frame box 1 is provided with a discharge port 37, one end of the second filter screen plate 40 is connected with a barrier plate 39 on the upper part of the frame box 1, a storage tank is arranged between the barrier plate 39 and the second filter screen plate 40, and one end of the storage tank is connected with a slag discharge pipe 38.

When the rice flour screening machine is used, rice flour to be screened and decontaminated is placed into the loading box 16 from the feed hopper 17 for screening. During the screening, motor 25 drives second dwang 28 and rotates, and then drives outside a plurality of magnetism otter board 27 and rotates, and second dwang 28 and a plurality of magnetism otter board 27 mix the stirring to the rice flour that loads the inside of case 16 for the rice flour can obtain abundant mixture in inside. During the stirring process, iron particle impurities doped in the rice flour are adsorbed outside the magnetic screen plate 27. During the rice flour mixing and stirring process, the fan 14 is started to operate, the fan 14 pumps the stirred rice flour into the collecting pipe 13 through the suction pipe 15, and then the rice flour is conveyed into the middle frame 5 from the collecting pipe 13. During the extraction and adsorption process, the particles larger than the meshes of the magnetic screen plate 27 are filtered and fall into the loading box 16 without entering the interior of the extraction pipe 15. The particles made of other materials have a heavy weight and are hard to be sucked into the suction pipe 15 by wind, so that the particles made of other materials can remain in the loading box 16 and cannot enter the middle frame 5. And (4) primary filtering, namely screening iron particles and particles made of other materials doped in the rice flour and particles larger than the meshes of the magnetic screen plate 27. The screening efficiency is high, and the screening cost is low.

Fan 14 operation in-process drives third dwang 30 and rotates, and then drives outside a plurality of connecting plate 31 and rotate, and scraper blade 33 rotates along with connecting plate 31, and scraper blade 33 scrapes first filter screen plate 29 outside adnexed impurity, avoids impurity to cause the jam to first filter screen plate 29 for first filter screen plate 29 can keep higher filtration efficiency, need not artifically clear up in the use.

If the interior of the loading box 16 or the magnetic screen plate 27 needs to be cleaned, the sealing plate 24 is detached from one end of the loading box 16, and the second rotating rod 28 and the magnetic screen plate 27 are taken out, so that the cleaning of the interior of the magnetic screen plate 27 and the loading box 16 is facilitated. The cleaning is convenient and fast, and the cleaning can be more sufficient.

The rice flour after primary filtration enters the inner part of the middle frame 5 from the collecting pipe 13 through the connecting hose 12. When the ground rice disperses in the inside of middle part frame 5, first rotation pole 9 drives middle part frame 5 and control the circulation and rock between two risers for middle part frame 5 can play the effect of rocking, is favorable to the dispersion of inside ground rice. And a plurality of rotating shafts 8 rotate to drive a plurality of outer leaf plates 10 to incite the rice flour inside. The rice flour which is incited falls through from the second filter screen plate 40 to the inside of the frame case 1. When the rice flour is dispersed, some larger particles are filtered by the second filter screen plate 40 and slide down to the inside of the storage tank along with the second filter screen plate 40, and finally, the particles remained in the storage tank are discharged from the slag discharge pipe 38. Not only the dispersing effect is good, but also the subsequent cleaning is convenient and fast.

The rice noodles fall into the frame box 1, slide along the slide plate 36 to the discharge opening 37, and are discharged from the discharge opening 37.

The primary filter mechanism 7 can be detached from the upper part of the frame box 1 for replacement according to actual requirements in use. The second electric telescopic column 21 contracts to push the end plate 2 to move along the sliding groove 4. During the installation, the flange 20 is installed in the inside of sliding tray 4, and clamp plate 18 presses at the upper portion edge of frame case 1, will just strain mechanism 7 and promote behind required position, and the electronic flexible post 21 of second extends downwards, drives push pedal and flange 20 butt, carries on spacingly to flange 20, and then makes whole just strain mechanism 7 stable in position. And the height of the loading compartment 16 can be adjusted according to the size of the loading compartment 16 and the middle frame 5 in use. When loading the height of case 16 and adjusting, first electronic flexible post 19 stretches out and draws back, can drive and load case 16 and move in vertical direction, adjusts simple swiftly, can adapt to different work demands.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.