CN105772144A - Household type embryo-protection rice husking machine for rice - Google Patents
Household type embryo-protection rice husking machine for rice Download PDFInfo
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- CN105772144A CN105772144A CN201610347084.5A CN201610347084A CN105772144A CN 105772144 A CN105772144 A CN 105772144A CN 201610347084 A CN201610347084 A CN 201610347084A CN 105772144 A CN105772144 A CN 105772144A
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- 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
- B02B3/04—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming by means of rollers
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- 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
- B02B5/00—Grain treatment not otherwise provided for
- B02B5/02—Combined processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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Abstract
The invention discloses a household type embryo-protection rice husking machine for rice. The household type embryo-protection rice husking machine for the rice comprises a grain hopper, a power transmission system, a fine smashing system, a rice husking machine shell and an embryo rice screening system; the grain hopper, the power transmission system, the fine smashing system and the embryo rice screening system are all installed in the rice husking machine shell; the rice husking machine shell is provided with a feeding opening of the grain hopper; an outlet of the grain hopper is connected with the fine smashing system, and the fine smashing system is connected with the embryo rice screening system; and the power transmission system provides needed power for the fine smashing system. According to the household type embryo-protection rice husking machine for rice, rice finished products are bright and pure white, the embryo retaining rate is high, chaffs, rice skin bran, embryo rice and smashed rice can be automatically screened, and no chaffs, rice bran and smashed rice exists in the embryo rice; and in the rice husking process, the temperature is stable, and less energy is consumed.
Description
Technical field
The present invention relates to a kind of household type rice and protect embryo rice mill.
Background technology
Recent years, people's livelihood Industry Policy background is favourable, China's " 12 " planning outline proposes to set up the permanent mechanism increased consumer demand, using increasing consumer demand as the strategic emphasis expanded domestic demand, will further enhance consumption of resident ability the coming years, improve consumption of resident expection, promote consumption structure upgrading, the consumption potentiality of release urban and rural residents.The rice polisher industry of China has had been provided with comparatively perfect basic condition, good social economic environment, the wide market space, perfect industrial matching system, country always payes attention to the development in this field, relevant guiding is issued again and again with incentive policy, is filled with new policy power for industry development.
Along with China's growth in the living standard, the national requirement to material is changed into quality by quantity gradually.And Oryza glutinosa is Chinese most important grain resource, total output is sure to occupy the first in the world for years, and also there is the population of nearly more than 60% in China with rice for staple food, and the national nutritive value to rice also requires that more and more higher.Research shows, the nutrition of rice more than 80% is contained in plumule, thus edible rice with remained germ is significant to improving dietary level.And adopt the explained hereafter of national standard grade polished rice, even if rate of kernels with remained germ 30% is all difficult to accomplish.At present, China's rice with remained germ machine market overwhelming majority is occupied by Japan and Korea S's brand.In addition, special national conditions because of China, the labour force's proportion worked out of the hometown remains high always, and the problem that the rural laborer thus brought reduces and aging is serious also occurs therewith, and the processing problems such as rice just brings no small challenge to the stay-at-home old man in township and child.
Oryza glutinosa becomes edible rice to be needed through a series of processes such as shelling, pearlings.Although in recent years, the development of domestic rice processing equipment is very fast, but existing rice mill tends to maximize, high-power, bulky not only occupies floor space, and suitable processing capacity once does not also mate with actual requirement very much.Additionally, the mach degree of whiteness of large-scale rice and luminance range, more containing bran, broken rice rate is higher；Rice variations in temperature in the course of processing is relatively big, mouthfeel when having had a strong impact on edible；Additionally, the electric quantity consumption of large-scale rice machine is also very surprising, this today risen steadily for electric energy growing tension, electricity price, bring certain obstruction also to the use of domestic rice machine.Therefore development and Design goes out novel household type rice to protect the task of embryo rice mill very urgent.
Based on background above, it is necessary to develop that a kind of finished product grain of rice is bright, pure white, bran-containing quantity is few, broken rice rate is low, embryo rice mill protected by temperature stabilization in rice milling process, the household type rice that consumes energy few.
Summary of the invention
Being solved the technical problem that of the present invention is, for the deficiencies in the prior art, it is provided that embryo rice mill protected by a kind of household type rice, and the finished product grain of rice is bright, pure white, bran-containing quantity is few, broken rice rate is low, temperature stabilization in rice milling process, power consumption are few.
The technical scheme is that
Embryo rice mill protected by a kind of household type rice, including grain bucket, power drive system, smashes essence system, rice machine shell and milled rice with embryo screening system；
Described grain bucket, power drive system, smash essence system and milled rice with embryo screening system is mounted in meter machine shell；
Oryza glutinosa enters from storage bin hopper 9 to smash in essence system and carries out pearling；Rice husk exports from the rice husk outlet of the rice husk hopper 16 smashing essence system；Testa oryzae, milled rice with embryo and the mixture cracked rice enter milled rice with embryo screening system from smashing essence system, last Testa oryzae enters the Testa oryzae of milled rice with embryo screening system and collects in system 30, the outlet of cracking rice from milled rice with embryo screening system of cracking rice is flowed out, and milled rice with embryo exports from the milled rice with embryo of milled rice with embryo screening system and flows out；
Described essence system of smashing includes screen frame (unit) 15, combination mesh screen 29, two bearing blocks 14, self-aligning bearing 12, bearing cap 13, rice roller 25, rice husk hopper 16, discharging opening 20, rice baffle plate adjusting rod 24, spring 26, rice baffle plates 28；
Wherein screen frame (unit) 15 is fixed on meter machine shell, and combination mesh screen 29 is fixed on the inside of screen frame (unit) 15, and the top and the bottom of combination mesh screen 29 are combined with the top and the bottom of screen frame (unit) 15 respectively, form the die cavity of a hollow；Two bearing blocks 14 are separately mounted to the two ends of screen frame (unit) 15, be respectively provided with a self-aligning bearing 12 and fix self-aligning bearing 12 by bearing cap 13 in two bearing blocks 14；
Rice roller 25 is divided into [with keyway] dynamia transmission section from left to right, send paddy section, broken shell section, smashes essence section, discharging section, main shaft section and screwed fan section；
Two self-aligning bearings 12 are each passed through dynamia transmission section and the main shaft section of meter roller 25, fix meter roller 25 by the step on these two sections, make meter roller 25 to be rotated about axis, it is impossible to move left and right along axis；
Power drive system is connected with the dynamia transmission section of rice roller 25, by power transmission to rice roller 25；
Spring 26 one end and rice baffle plate 28 is fixed, rice baffle plate 28 and spring 26 from one end of rice roller 25 axially across, be installed on discharging section, baffle plate rice 28 just rice output outlet to screen frame (unit) 15；The bottom of the other end of spring 26 and a vertical bar is fixed [by being welded and fixed], and the top of vertical bar is fixed with a nut [by being welded and fixed]；Rice baffle plate adjusting rod 24 is installed by the installing hole level on rice machine shell, and the front end of rice baffle plate adjusting rod 24 is provided with screw thread, is connected with the nut screw connection on spring 26；Rice baffle plate adjusting rod 24 axial location is fixed；Rotating the position of rice baffle plate adjusting rod 24 adjusting nut, thus regulating the stroke of spring 26, controlling the gap between rice baffle plate 28 and screen frame (unit) 15；
Broken shell section be respectively arranged at the two ends with spherical transition fillet, the cross section of broken shell section is rounded square；
Fillet on combination mesh screen 29 and rice roller 25 broken shell section forms tapered broken shell die cavity；In broken shell die cavity, Oryza glutinosa is processed into rice husk and brown rice, wherein rice husk flows into rice husk hopper 16 from the grid combination mesh screen 29 and collects pack, brown rice continues to move to along rice roller 25 to be smash, by rice baffle plate 28, screen frame (unit) 15 and rice roller 25, the brown rice processing cavity that essence section is collectively forming, in brown rice processing cavity, brown rice is processed into Testa oryzae, milled rice with embryo and the mixture cracked rice；Discharging opening 20 is fixed on screen frame (unit) 15, is positioned at below spring 26；Testa oryzae, milled rice with embryo and the mixture cracked rice flow into milled rice with embryo screening system by discharging opening 20 after flowing out from the gap between screen frame (unit) 15 and rice baffle plate 28；Broken shell die cavity and brown rice processing cavity collectively constitute whitening chamber；
Described milled rice with embryo screening system includes blower fan 22, fan shroud 27, fan cover 21, sorting chamber 19, changeover portion 18, screen cloth 17, Testa oryzae collecting box 30；Wherein blower fan 22 is connected with the screwed fan section of rice roller 25 by screw thread, and fixes locked with nut 23, and blower fan 22 is positioned at fan shroud 27, and fan shroud 27 is fixed on screen frame (unit) 15, and fan cover 21 covers on the air intake vent place of fan shroud 27；The air inlet of sorting chamber 19 docks with the air outlet of fan shroud 27, the Testa oryzae of sorting chamber 19, milled rice with embryo are connected with discharging opening 20 with mixture inlet of cracking rice, milled rice with embryo and the exit of cracking rice of sorting chamber 19 are connected with one end of changeover portion 18, the exit of the Testa oryzae of sorting chamber 19 is connected with Testa oryzae collecting box 30, and sorting chamber 19 is fixed on meter machine shell；Screen cloth 17 is connected with the other end of changeover portion 18；Four blocks of steel plates staggered mutually it are welded with in sorting chamber 19；[guide plate is U-shaped to be welded with guide plate at Testa oryzae, milled rice with embryo and mixture inlet place of cracking rice, by 2mm steel plate bending molding, the time of mixture movement can be increased, and the difference because of mixture weight, in guide plate, the speed of motion is different, thus reaching the mixture that scatters, it is beneficial to the purpose of follow-up screening]；Four blocks of steel plates staggered mutually constitute the first and second two screening die cavities each other, enter the air quantity of the second die cavity more than the first die cavity [air inlet air inlet less than the second die cavity of the first die cavity can be passed through, it is achieved enter the air quantity of the second die cavity more than the air quantity entering the first die cavity]；First die cavity is for the Testa oryzae of separate small particles, and the second die cavity is used for separating oarse-grained Testa oryzae and the unsegregated little granule Testa oryzae of the first die cavity；When mixture can more disperse after the first die cavity, it is more beneficial for the screening of the second die cavity, because entering the air quantity of the second die cavity more than the first die cavity, advantageously in the screening of Testa oryzae；Mixture is divided into Testa oryzae and milled rice with embryo and two parts of cracking rice after sorting chamber 19, and wherein Testa oryzae enters Testa oryzae collecting box 30 after directly separating from sorting chamber；Milled rice with embryo and inflow screen cloth 17 after changeover portion 18 of cracking rice, changeover portion 18 and screen cloth 17 are all downward-sloping；Screen cloth (17) is made up of upper and lower two-layer, and upper strata is grid, cracks rice in order to filter；Top end is milled rice with embryo outlet, and lower floor is provided with outlet of cracking rice；Milled rice with embryo exports outflow pack from milled rice with embryo more than grid becomes milled rice with embryo finished product, cracks rice and enters lower floor by grid, flows out from the outlet of cracking rice of lower floor and packs.This kind of structure can be automatically separated rice husk, Testa oryzae very easily, crack rice, milled rice with embryo, and in finished product milled rice with embryo, bran-containing quantity and the amount of cracking rice are few, it is possible to directly use, it is not necessary to carry out secondary sieve screening.
Described combination mesh screen 29 is formed by two pieces of semi-cylindrical wire-mesh screen docking, and stagger between the axis of two pieces of semi-cylindrical wire-mesh screens 3mm, forms table top in the position that two pieces of semi-cylindrical wire-mesh screens intersect；The mesh width of wire-mesh screen is 1.5mm, and Gridding length is 15mm, and in the direction of the width at a distance of 1.5 between grid and grid, length direction staggers 6mm；Table top is formed, the row's of being formed cutter in the position that two pieces of semi-cylindrical wire-mesh screens intersect；The grid mutually staggered one by one, also corresponds to several rows of cutter, and this measure not only makes wire-mesh screen simple and beautiful structure, is unlikely to deform, it is often more important that greatly reduce broken rice rate.
Described rice roller 25 send paddy section side to be provided with double thread line, is beneficial to Oryza glutinosa and to the conveying of broken shell section and can increase between broken shell section Oryza glutinosa milling of extruding mutually.
Described rice roller (25) broken shell segment length is 133mm；Broken shell section head end and end are equipped with spherical transition fillet；Along the direction that Oryza glutinosa advances, the gap between the spherical transition fillet of broken shell section head end and combination mesh screen (29) is gradually decreased to 4.8mm from 6mm；Wherein, broken shell section head end is broken shell section and the one end sending paddy section to be connected, and broken shell section end is broken shell section and smash one end that essence section is connected；Broken shell section mid portion is axially in 1 degree tapering, and cross section is square fillet, the direction namely advanced along Oryza glutinosa, and broken shell section mid portion and the gap combined between mesh screen (29) are from large to small.nullOryza glutinosa steps into broken shell section by sending paddy section，Gap is gradually decreased to 4.8mm from 6mm，Oryza glutinosa is progressively extruded by loose shape in this motor process，Because of rice husk rough surface，And Testa oryzae is firmly attached on endosperm and is wrapped in plumule，It is less susceptible to come off，So Oryza glutinosa is under the grid effect that combination mesh screen 29 staggers mutually，Rice husk is first slowly extruded cracking to progressively coming off and discharging from the mesh of combination mesh screen 29，Stay and rub mutually between the brown rice of plumule and the endosperm being wrapped in by Testa oryzae，Discharge from the mesh of combination mesh screen 29 because in extrusion process, rice husk is continual，Gap between brown rice is increased，Frictional force reduces，Brown rice surface relative smooth，And in broken shell section end broken shell section with to smash one end of being connected of essence section be spherical transition fillet，Space increases suddenly，Between brown rice, extruding disappears，Even if phase mutual friction between brown rice，But plumule remains to intact being retained on endosperm.Oryza glutinosa is processed into rice husk and brown rice, and wherein rice husk flows into rice husk hopper 16 from the grid of combination mesh screen 29 and collects pack；Brown rice continues to move to the smashing in the brown rice processing cavity that essence section collectively constitutes of rice baffle plate 28 screen frame (unit) 15 and rice roller 25 along rice roller 25.
Described essence section of smashing is provided with three roads stud about axle center symmetry, and muscle height is 3～4mm.Before brown rice smashes essence section along the entrance of broken shell section, through the spherical transition fillet of broken shell section end, space increases, and between brown rice, extruding disappears and can rotate freely.When brown rice is stopped by rice baffle plate 28 after continuing to move forward into and smashing essence section, it is stud because smashing the muscle of essence section, with axially vertical, height is at 3～4mm, brown rice is driven by stud immediately after entering this die cavity and circumferentially rotates, the brown rice distribution in rule gradually, brown rice length direction is perpendicular to meter roller 25 axis, because brown rice structure is broad in the middle, two is little, make two leave gap or frictional force is only small, and plumule is just in the wherein one end at two, plumule and plumule, do not carry out mutual friction between plumule and endosperm or frictional force is only small, only albuminosus interlude rubs mutually, one layer of Testa oryzae that surface is wrapped in is come off from endosperm surface because rubbing mutually, final plumule remains on endosperm, form milled rice with embryo and Testa oryzae and flow into discharging opening 20 from the gap of rice baffle plate 28 and screen frame (unit) 15.And the size of frictional force is determined by the refreshing contracting amount of the spring 26 supporting rice baffle plate between brown rice, and the stroke of spring 26 is by keeping off rice bar adjusting rod 24 manual adjustments.
Described grain bucket includes storage bin hopper 9 and flow control valve 10；Flow control valve 10 is arranged at storage bin hopper 9 exit, in order to control the size of storage bin hopper 9 outlet, smashes the flow of Oryza glutinosa in essence system thus controlling to enter；Storage bin hopper 9 is connected with screen frame (unit) 15, and Oryza glutinosa enters to smash in essence system after entering storage bin hopper 9 after inflow-rate of water turbine adjustment valve 10 regulates flow and carries out pearling.
Described power drive system includes motor the 5, first skin driving wheel 4, V-type band the 3, second belt pulley 11, power cabinet 6, stop button 7 and starts button 8；Motor 5 is fixed in frame 1, and the first belt pulley 4 is connected with motor 5 axle by key；First belt pulley 4 and the second belt pulley 11 are in transmission connection by V-type band 3, and the power transmission exported by motor 5 is to the second belt pulley 11, and the second belt pulley 11 is connected with the dynamia transmission section of rice roller 25 by key, by power transmission to rice roller 25；The diameter of the first belt pulley 4 is more than the diameter of the second belt pulley 11；Motor 5, stop button 7 are connected with power cabinet 6 respectively through wire with starting button 8；With plug on power cabinet 6, for being connected with external power supply；Startup button 8 and stop button 7 are respectively used to control operation and the stopping of motor 6.
Described rice machine shell includes the shrouding 2 of frame 1 and each；
The bottom of frame 1 is provided with 4 fulcrums for fixing motor 5, and the centre of frame 1 is provided with 4 fulcrums for fixing screen frame (unit) 15；
Shrouding 2 is bolted on fixed frame 1, by the structure steganography of whole rice mill in rice machine shell；
The shrouding 2 at top leaves the charging aperture of storage bin hopper 9；The shrouding 2 of side leaves at screen cloth 17 place milled rice with embryo and outlet of cracking rice, leaves installing hole at gear rice bar adjusting rod 24 place, shrouding 2 above leaves the rice husk outlet of rice husk hopper 16, shrouding 2 below leaves the Testa oryzae outlet of sorting chamber 19；
Frame 1 bottom bay of rice mill is fixed with castor 31.
Being welded with 2 blocks of fixing plates on described sorting chamber 19, sorting chamber 19 is fixed by bolts on meter machine shell by fixing plate.
The using method of embryo rice mill protected by above-mentioned household type rice:
Switch on power, start rice mill；
Rice mill no-load running a period of time, monitor rice mill with or without allophone, if any allophone then first deenergization, check and whether have foreign body in rice mill and remove；Such as the sound without exception, then Oryza glutinosa being poured storage bin hopper 9 into, Oryza glutinosa enters through flow control valve 10 along the storage bin hopper 9 of taper and smashes essence system；
Motor 5 is transmitted power on meter roller 25 by V-type band 3, makes meter roller 25 rotate, send under the effect of paddy section at rice roller 25, and Oryza glutinosa advances axially forward, enters the broken shell die cavity being made up of the excessive fillet of sphere in combination mesh screen 29 and rice roller 25 broken shell section；Oryza glutinosa is processed into rice husk and brown rice by broken shell die cavity, and wherein rice husk flows into rice husk hopper 16 from the grid of combination mesh screen 29 and collects pack；Brown rice continues to move to smashing in the brown rice processing cavity that essence section, screen frame (unit) 15 and rice baffle plate 28 collectively constitute by rice roller 25 along rice roller 25；Brown rice forms Testa oryzae, milled rice with embryo and the mixture cracked rice by brown rice processing cavity, flows into discharging opening 20 from the gap of rice baffle plate 28 and screen frame (unit) 15；Milled rice with embryo screening system is flowed into by discharging opening 20；
After Testa oryzae, milled rice with embryo and the mixture cracked rice enter milled rice with embryo screening system, what initially enter is in sorting chamber 19, separation through guide plate, mixture enters the first die cavity, first short grained Testa oryzae is separated and enters Testa oryzae collecting box 30, and remaining mixture is down into the second die cavity；Because entering the air quantity of the second die cavity more than the first die cavity, remaining Testa oryzae is all blown to Testa oryzae and collects in system 30；Remaining for milled rice with embryo with crack rice two parts；Milled rice with embryo and inflow screen cloth 17 after changeover portion 18 of cracking rice, cracked rice to be filtered by screen cloth 17 grid and flow out from outlet of cracking rice and pack, and milled rice with embryo flows out pack more than grid becomes milled rice with embryo finished product.
Now observe the plumule retention ratio of screen cloth 17 milled rice with embryo and the retention amount of the simple grain grain of rice, rotate gear rice bar adjusting rod 24 at any time according to plumule retention ratio and retention amount and change the length of spring 26, gap when between the rice baffle plate 28 regulated and screen frame (unit) 15 is more big, the grain of rice flowed out by discharging opening 20 is more many, the semi-finished product staying whitening chamber are more few, semi-finished product intermolecular forces reduces, it is more difficult to come off between rice husk and brown rice, Testa oryzae and milled rice with embryo, plumule is not easy to come off, then the retention amount of plumule is just high, but brown rice goes out white rate and reduces；On the contrary, if the gap between rice baffle plate 28 and screen frame (unit) 15 is more little, the grain of rice flowed out by discharging opening 20 is more few, the semi-finished product staying whitening chamber are more many, and the active force between rice husk and brown rice, Testa oryzae and milled rice with embryo increases, and is easier to each other come off, simultaneously, plumule is also easier to depart from the grain of rice, then the retention amount of plumule is more low, but brown rice goes out white rate and increases.Utilize the diversity of rice husk and brown rice, Testa oryzae and milled rice with embryo intermolecular forces, regulate the length of spring 26 by rotating rice baffle plate adjusting rod 24, change the pressure in whitening chamber, adjust screen cloth 17 with this and discharge retention ratio and the retention amount of the grain of rice；After the plumule retention ratio of the grain of rice and retention amount reach required precision, produce in batches and pack.
When rice mill runs, the rotating speed regulating main shaft is 850r/min.
Beneficial effect:
Embryo rice mill protected by a kind of household type rice of the present invention, have that finished product grain of rice plumule retention ratio is high, the grain of rice is bright, pure white, bran-containing quantity is few, broken rice rate is low, in rice milling process temperature stabilization, power consumption less, the distinguishing feature such as can at will move, fully meet the use of single family.Its major function disposable can complete paddy husking, bran is removed in brown rice pearling, has significantly relaxed because of the social influence that rural laborer reduces and aging brings, has met being actually needed of users.
Embryo rice mill power protected by a kind of household type rice of the present invention only needs a small-power type motor to provide; this household type rice is protected embryo rice mill and is had the features such as power consumption little, noise is low, life-span length; meet reduction energy resource consumption, the sustainable development requirement of protection environment.
The household type rice of the present invention protects embryo rice mill structurally novel compact, small portable, stable drive；Small and exquisite fineness in shape；Reasonable in design, simple in construction, convenient in operation, can the start and stop of one-key operation machine.Adapt to the demand of the market quotation and user completely.
Sum it up, the household type rice of the present invention to protect embryo rice mill equipment novel, specialized and automaticity high, simple to operate, function is unique, save the energy, environmental protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention, and Fig. 1 (a) is sectional view, and Fig. 1 (b) is axonometric chart, and Fig. 1 (c) is side view；
Fig. 2 is the internal structure schematic diagram of the embodiment of the present invention；
Fig. 3 is sorting chamber schematic diagram, and Fig. 3 (a) is overall schematic diagram, and Fig. 3 (b) is mixture movement direction schematic diagram, and Fig. 3 (c) is mesh structure figure.
Fig. 4 is the rice roll structure schematic diagram of the embodiment of the present invention, and Fig. 4 (a) is rice roller overall structure schematic diagram；Fig. 4 (b) basically illustrates the broken shell section of meter roller, and wherein dash area is broken shell die cavity gap, and along Oryza glutinosa direction of advance, broken shell die cavity gap is gradually reduced；
Fig. 5 is the combinational network sieve structure schematic diagram of the embodiment of the present invention；
In figure, 1. frame, 2. shrouding, 3.V type band, 4. the first belt pulley, 5. motor, 6. power cabinet, 7. stop button, 8. start button, 9. storage bin hopper, 10. flow control valve, 11. second belt pulleys, 12. self-aligning bearings, 13. bearing caps, 14. bearing blocks, 15. screen frame (unit)s, 16. rice husk hoppers, 17. screen clothes, 18. changeover portions, 19. sorting chambers, 20. discharging openings, 21. fan cover, 22. blower fans, 23. nuts, 24. rice baffle plate adjusting rods, 25. meters of rollers, 26. springs, 27, fan shroud .28. rice baffle plate, 29. combination mesh screen, 30. Testa oryzae collecting boxs, 31. castors.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
As shown in Fig. 1～Fig. 5, the invention discloses a kind of household type rice and protect embryo rice mill,
Embryo rice mill protected by a kind of household type rice, including grain bucket, power drive system, smashes essence system, rice machine shell and milled rice with embryo screening system；
Described grain bucket, power drive system, smash essence system and milled rice with embryo screening system is mounted in meter machine shell；
Oryza glutinosa enters from storage bin hopper 9 to smash in essence system and carries out pearling；Rice husk exports from the rice husk outlet of the rice husk hopper 16 smashing essence system；Testa oryzae, milled rice with embryo and the mixture cracked rice enter milled rice with embryo screening system from smashing essence system, last Testa oryzae enters the Testa oryzae of milled rice with embryo screening system and collects in system 30, the outlet of cracking rice from milled rice with embryo screening system of cracking rice is flowed out, and milled rice with embryo exports from the milled rice with embryo of milled rice with embryo screening system and flows out；
Described grain bucket includes storage bin hopper 9 and flow control valve 10；Flow control valve 10 is arranged at storage bin hopper 9 exit, in order to control the size of storage bin hopper 9 outlet, smashes the flow of Oryza glutinosa in essence system thus controlling to enter；Storage bin hopper 9 is connected with screen frame (unit) 15, and Oryza glutinosa enters to smash in essence system after entering storage bin hopper 9 after inflow-rate of water turbine adjustment valve 10 regulates flow and carries out pearling.
Described power drive system includes motor the 5, first skin driving wheel 4, V-type band the 3, second belt pulley 11, power cabinet 6, stop button 7 and starts button 8；Motor 5 is fixed in frame 1, and the first belt pulley 4 is connected with motor 5 axle by key；First belt pulley 4 and the second belt pulley 11 are in transmission connection by V-type band 3, and the power transmission exported by motor 5 is to the second belt pulley 11, and the second belt pulley 11 is connected with the dynamia transmission section of rice roller 25 by key, by power transmission to rice roller 25；The diameter of the first belt pulley 4 is more than the diameter of the second belt pulley 11；Motor 5, stop button 7 are connected with power cabinet 6 respectively through wire with starting button 8；With plug on power cabinet 6, for being connected with external power supply；Startup button 8 and stop button 7 are respectively used to control operation and the stopping of motor 6.
Described rice machine shell includes the shrouding 2 of frame 1 and each；The bottom of frame 1 is provided with 4 fulcrums for fixing motor 5, and the centre of frame 1 is provided with 4 fulcrums for fixing screen frame (unit) 15；Shrouding 2 is bolted on fixed frame 1, by the structure steganography of whole rice mill in rice machine shell；The shrouding 2 at top leaves the charging aperture of storage bin hopper 9；The shrouding 2 of side leaves at screen cloth 17 place milled rice with embryo and outlet of cracking rice, leaves installing hole at gear rice bar adjusting rod 24 place, shrouding 2 above leaves the rice husk outlet of rice husk hopper 16, shrouding 2 below leaves the Testa oryzae outlet of sorting chamber 19；Frame 1 bottom bay of rice mill is fixed with castor 31.
Described essence system of smashing includes screen frame (unit) 15, combination mesh screen 29, two bearing blocks 14, self-aligning bearing 12, bearing cap 13, rice roller 25, rice husk hopper 16, discharging opening 20, rice baffle plate adjusting rod 24, spring 26, rice baffle plates 28；
Wherein screen frame (unit) 15 is fixed on meter machine shell, and combination mesh screen 29 is fixed on the inside of screen frame (unit) 15, and the top and the bottom of combination mesh screen 29 are combined with the top and the bottom of screen frame (unit) 15 respectively, form the die cavity of a hollow；Two bearing blocks 14 are separately mounted to the two ends of screen frame (unit) 15, be respectively provided with a self-aligning bearing 12 and fix self-aligning bearing 12 by bearing cap 13 in two bearing blocks 14；
Rice roller 25 is divided into [with keyway] dynamia transmission section from left to right, send paddy section, broken shell section, smashes essence section, discharging section, main shaft section and screwed fan section；
Two self-aligning bearings 12 are each passed through dynamia transmission section and the main shaft section of meter roller 25, fix meter roller 25 by the step on these two sections, make meter roller 25 to be rotated about axis, it is impossible to move left and right along axis；
Power drive system is connected with the dynamia transmission section of rice roller 25, by power transmission to rice roller 25；
Described combination mesh screen 29 is formed by two pieces of semi-cylindrical wire-mesh screen docking, and stagger between the axis of two pieces of semi-cylindrical wire-mesh screens 3mm, forms table top in the position that two pieces of semi-cylindrical wire-mesh screens intersect；The mesh width of wire-mesh screen is 1.5mm, and Gridding length is 15mm, and in the direction of the width at a distance of 1.5 between grid and grid, length direction staggers 6mm；Table top is formed, the row's of being formed cutter in the position that two pieces of semi-cylindrical wire-mesh screens intersect；The grid mutually staggered one by one, also corresponds to several rows of cutter, and this measure not only makes wire-mesh screen simple and beautiful structure, is unlikely to deform, it is often more important that greatly reduce broken rice rate.
Described rice roller 25 send paddy section side to be provided with double thread line, is beneficial to Oryza glutinosa and to the conveying of broken shell section and can increase between broken shell section Oryza glutinosa milling of extruding mutually.
Described rice roller (25) broken shell segment length is 133mm；Broken shell section head end and end are equipped with spherical transition fillet；Along the direction that Oryza glutinosa advances, the gap between the spherical transition fillet of broken shell section head end and combination mesh screen (29) is gradually decreased to 4.8mm from 6mm；Wherein, broken shell section head end is broken shell section and the one end sending paddy section to be connected, and broken shell section end is broken shell section and smash one end that essence section is connected；Broken shell section mid portion is axially in 1 degree tapering, and cross section is square fillet, the direction namely advanced along Oryza glutinosa, and broken shell section mid portion and the gap combined between mesh screen (29) are from large to small.nullOryza glutinosa steps into broken shell section by sending paddy section，Gap is gradually decreased to 4.8mm from 6mm，Oryza glutinosa is progressively extruded by loose shape in this motor process，Because of rice husk rough surface，And Testa oryzae is firmly attached on endosperm and is wrapped in plumule，It is less susceptible to come off，So Oryza glutinosa is under the grid effect that combination mesh screen 29 staggers mutually，Rice husk is first slowly extruded cracking to progressively coming off and discharging from the mesh of combination mesh screen 29，Stay and rub mutually between the brown rice of plumule and the endosperm being wrapped in by Testa oryzae，Discharge from the mesh of combination mesh screen 29 because in extrusion process, rice husk is continual，Gap between brown rice is increased，Frictional force reduces，Brown rice surface relative smooth，And in broken shell section end broken shell section with to smash one end of being connected of essence section be spherical transition fillet，Space increases suddenly，Between brown rice, extruding disappears，Even if phase mutual friction between brown rice，But plumule remains to intact being retained on endosperm.Oryza glutinosa is processed into rice husk and brown rice, and wherein rice husk flows into rice husk hopper 16 from the grid of combination mesh screen 29 and collects pack；Brown rice continues to move to the smashing in the brown rice processing cavity that essence section collectively constitutes of rice baffle plate 28 screen frame (unit) 15 and rice roller 25 along rice roller 25.
Described essence section of smashing is provided with three roads stud about axle center symmetry, and muscle height is 3～4mm.Before brown rice smashes essence section along the entrance of broken shell section, through the spherical transition fillet of broken shell section end, space increases, and between brown rice, extruding disappears and can rotate freely.When brown rice is stopped by rice baffle plate 28 after continuing to move forward into and smashing essence section, it is stud because smashing the muscle of essence section, with axially vertical, height is at 3～4mm, brown rice is driven by stud immediately after entering this die cavity and circumferentially rotates, the brown rice distribution in rule gradually, brown rice length direction is perpendicular to meter roller 25 axis, because brown rice structure is broad in the middle, two is little, make two leave gap or frictional force is only small, and plumule is just in the wherein one end at two, plumule and plumule, do not carry out mutual friction between plumule and endosperm or frictional force is only small, only albuminosus interlude rubs mutually, one layer of Testa oryzae that surface is wrapped in is come off from endosperm surface because rubbing mutually, final plumule remains on endosperm, form milled rice with embryo and Testa oryzae and flow into discharging opening 20 from the gap of rice baffle plate 28 and screen frame (unit) 15.And the size of frictional force is determined by the refreshing contracting amount of the spring 26 supporting rice baffle plate between brown rice, and the stroke of spring 26 is by keeping off rice bar adjusting rod 24 manual adjustments.
Spring 26 one end and rice baffle plate 28 is fixed, rice baffle plate 28 and spring 26 from one end of rice roller 25 axially across, be installed on discharging section, baffle plate rice 28 just rice output outlet to screen frame (unit) 15；The bottom of the other end of spring 26 and a vertical bar is fixed [by being welded and fixed], and the top of vertical bar is fixed with a nut [by being welded and fixed]；Rice baffle plate adjusting rod 24 is installed by the installing hole level on rice machine shell, and the front end of rice baffle plate adjusting rod 24 is provided with screw thread, is connected with the nut screw connection on spring 26；Rice baffle plate adjusting rod 24 axial location is fixed；Rotating the position of rice baffle plate adjusting rod 24 adjusting nut, thus regulating the stroke of spring 26, controlling the gap between rice baffle plate 28 and screen frame (unit) 15；
Broken shell section be respectively arranged at the two ends with spherical transition fillet, the cross section of broken shell section is rounded square；
Fillet on combination mesh screen 29 and rice roller 25 broken shell section forms tapered broken shell die cavity；In broken shell die cavity, Oryza glutinosa is processed into rice husk and brown rice, wherein rice husk flows into rice husk hopper 16 from the grid combination mesh screen 29 and collects pack, brown rice continues to move to along rice roller 25 to be smash, by rice baffle plate 28, screen frame (unit) 15 and rice roller 25, the brown rice processing cavity that essence section is collectively forming, in brown rice processing cavity, brown rice is processed into Testa oryzae, milled rice with embryo and the mixture cracked rice；Discharging opening 20 is fixed on screen frame (unit) 15, is positioned at below spring 26；Testa oryzae, milled rice with embryo and the mixture cracked rice flow into milled rice with embryo screening system by discharging opening 20 after flowing out from the gap between screen frame (unit) 15 and rice baffle plate 28；Broken shell die cavity and brown rice processing cavity collectively constitute whitening chamber；
Described milled rice with embryo screening system includes blower fan 22, fan shroud 27, fan cover 21, sorting chamber 19, changeover portion 18, screen cloth 17, Testa oryzae collecting box 30；Wherein blower fan 22 is connected with the screwed fan section of rice roller 25 by screw thread, and fixes locked with nut 23, and blower fan 22 is positioned at fan shroud 27, and fan shroud 27 is fixed on screen frame (unit) 15, and fan cover 21 covers on the air intake vent place of fan shroud 27；The air inlet of sorting chamber 19 docks with the air outlet of fan shroud 27, the Testa oryzae of sorting chamber 19, milled rice with embryo are connected with discharging opening 20 with mixture inlet of cracking rice, milled rice with embryo and the exit of cracking rice of sorting chamber 19 are connected with one end of changeover portion 18, the exit of the Testa oryzae of sorting chamber 19 is connected with Testa oryzae collecting box 30, being welded with 2 blocks of fixing plates on sorting chamber 19, sorting chamber 19 is fixed by bolts on meter machine shell by fixing plate；Screen cloth 17 is connected with the other end of changeover portion 18；Four blocks of steel plates staggered mutually it are welded with in sorting chamber 19；[guide plate is U-shaped to be welded with guide plate at Testa oryzae, milled rice with embryo and mixture inlet place of cracking rice, by 2mm steel plate bending molding, the time of mixture movement can be increased, and the difference because of mixture weight, in guide plate, the speed of motion is different, thus reaching the mixture that scatters, it is beneficial to the purpose of follow-up screening]；Four blocks of steel plates staggered mutually constitute the first and second two screening die cavities each other, enter the air quantity of the second die cavity more than the first die cavity [air inlet air inlet less than the second die cavity of the first die cavity can be passed through, it is achieved enter the air quantity of the second die cavity more than the air quantity entering the first die cavity]；First die cavity is for the Testa oryzae of separate small particles, and the second die cavity is used for separating oarse-grained Testa oryzae and the unsegregated little granule Testa oryzae of the first die cavity；When mixture can more disperse after the first die cavity, it is more beneficial for the screening of the second die cavity, because entering the air quantity of the second die cavity more than the first die cavity, advantageously in the screening of Testa oryzae；Mixture is divided into Testa oryzae and milled rice with embryo and two parts of cracking rice after sorting chamber 19, and wherein Testa oryzae enters Testa oryzae collecting box 30 after directly separating from sorting chamber；Milled rice with embryo and inflow screen cloth 17 after changeover portion 18 of cracking rice, changeover portion 18 and screen cloth 17 are all downward-sloping；Screen cloth (17) is made up of upper and lower two-layer, and upper strata is grid, cracks rice in order to filter；Top end is milled rice with embryo outlet, and lower floor is provided with outlet of cracking rice；Milled rice with embryo exports outflow pack from milled rice with embryo more than grid becomes milled rice with embryo finished product, cracks rice and enters lower floor by grid, flows out from the outlet of cracking rice of lower floor and packs.This kind of structure can be automatically separated rice husk, Testa oryzae very easily, crack rice, milled rice with embryo, and in finished product milled rice with embryo, bran-containing quantity and the amount of cracking rice are few, it is possible to directly use, it is not necessary to carry out secondary sieve screening.
The important technological parameters of embryo rice mill protected by the household type rice of the present invention:
1, brown rice treating capacity
Brown rice treating capacity: 25～30kg/h.This parameter is affected relatively big by operating environment temperature and brown rice hardness, and when when ambient temperature is relatively low, rice matter is harder, treating capacity reduces.
2, the speed of mainshaft
The speed of the speed of mainshaft is bigger on grain of rice movement velocity in whitening chamber and the impact of suffered whitening pressure.For pressure type rice machine, namely the speed of mainshaft smash essence roller rotating speed, and speed is too fast, then grain of rice movement velocity increases, and the grain of rice fluid density in whitening chamber reduces, and makes whitening pressure decline, and rubbing action weakens, pearling deleterious；If rotating speed is too low, the axial progradation that the grain of rice is subject in whitening chamber weakens, and grain of rice movement velocity reduces, and makes a meter machine work efficiency drop, and power consumption increases, and meanwhile, the grain of rice also can cause pearling inequality, precise decreasing because rolling performance is bad.Therefore, by substantial amounts of performance test, it is determined that the rotating speed of main shaft, its rotating speed is 850r/min.
3, broken shell section and smash essence section surface configuration
The shape of broken shell section and length be directly connected to the grain of rice in whitening chamber by stone roller effect number of times and whitening movement area number.With being relatively large in diameter, broken shell section husk rice that length is longer time, cracking rice of generation is less, and grain of rice temperature rise is relatively low, is conducive to improving the technological effect of rice machine.In order to ensure the processing performance of meter machine, the length of broken shell section should become certain ratio with diameter.Through performance test repeatedly, showing that suitable draw ratio is 4:1, and axially in the tapering of 1 degree, cross section is square fillet trimming and two with spherical transition fillet.Smashing essence section axial cross section and have 3 roads about the symmetrical stud in axle center, muscle height is 3～4mm, and the grain of rice is mainly played guiding by stud and the effect of Testa oryzae is gone in pearling.Smash essence section stud too high, pearling and rolling effect can be made excessively fierce and damage the grain of rice, affect husk rice effect.
4, whitening chamber gap
Whitening chamber gap refer to smash essence roller surface and whitening chamber outer wall namely combine the distance between mesh screen.Whitening chamber excesssive gap, can make the grain of rice stagnate in whitening chamber, make yield decline, and power consumption increases；Gap is too small, easily makes the grain of rice fracture, and produces to crack rice.After research and testing, taking tapered shape between whitening chamber, gap is for reduce to 4.8mm from 6mm, and husk rice effect is better.
5, other parameters
Shell sizes 345mm*260mm*365mm；
Running voltage: AC220V ± 10%50HZ；
Power: 300W；
Plumule retention ratio >=80%；
Plumule retention amount >=30%；
Broken rice rate: 7.5%；
Rate of bran content: 0.02%；
Finished product heats up :≤30 DEG C；
Brown rice goes out white rate: 91.6%；
Ton rice power consumption: 12.5kW/h.
The main feature of embryo rice mill protected by the household type rice of the present invention:
In sum, this rice polisher has the following characteristics that
● the rice processed is bright, pure white, bran trace；
● the temperature rise of polished rice is low ,≤30 DEG C；
● broken rice rate is low, and equal conditions is compared low by 25%；
● power consumption is few, and more energy-conservation than common rice mill 10%；
● maintenance is convenient: connecing bran bucket can separate with complete machine, it is simple to clean.Smash essence system can directly extract out carry out clearing up, C&M.
● simple to operate: to press operating button after being ready to and start husk rice, only need two buttons just can carry out practical operation
● noise is low；
● compact conformation, floor space are little；
● volume is little, light weight, it is simple to transport；
● adopting and built-in connect bran bucket collection bran, working environment cleans；
● combining mesh screen, smash consumable accessory employing special material and the special thermal treatment methods such as essence roller, service life extends.
Claims (9)
1. embryo rice mill protected by a household type rice, it is characterised in that: include grain bucket, power drive system, smash essence system, rice machine shell and milled rice with embryo screening system；
Described grain bucket, power drive system, smash essence system and milled rice with embryo screening system is mounted in meter machine shell；
Oryza glutinosa enters from storage bin hopper (9) to smash in essence system and carries out pearling；Rice husk exports from the rice husk outlet of the rice husk hopper (16) smashing essence system；Testa oryzae, milled rice with embryo and the mixture cracked rice enter milled rice with embryo screening system from smashing essence system, last Testa oryzae enters the Testa oryzae of milled rice with embryo screening system and collects in system (30), the outlet of cracking rice from milled rice with embryo screening system of cracking rice is flowed out, and milled rice with embryo exports from the milled rice with embryo of milled rice with embryo screening system and flows out；
Described essence system of smashing includes screen frame (unit) (15), combination mesh screen (29), two bearing blocks (14), self-aligning bearing (12), bearing cap (13), rice roller (25), rice husk hopper (16), discharging opening (20), rice baffle plate adjusting rod (24), spring (26) and rice baffle plate (28)；
Wherein screen frame (unit) (15) is fixed on meter machine shell, combination mesh screen (29) is fixed on the inside of screen frame (unit) (15), the top and the bottom of combination mesh screen (29) are combined with the top and the bottom of screen frame (unit) (15) respectively, form the die cavity of a hollow；Two bearing blocks (14) are separately mounted to the two ends of screen frame (unit) (15), are respectively provided with a self-aligning bearing (12) and by the fixing self-aligning bearing (12) of bearing cap (13) in two bearing blocks (14)；
Rice roller (25) is divided into dynamia transmission section from left to right, send paddy section, broken shell section, smashes essence section, discharging section, main shaft section and screwed fan section；
Two self-aligning bearings (12) are each passed through dynamia transmission section and the main shaft section of a meter roller (25), a meter roller (25) is fixed by the step on these two sections, a meter roller (25) is made to be rotated about axis, it is impossible to move left and right along axis；
Power drive system is connected with the dynamia transmission section of rice roller (25), by power transmission to rice roller (25)；
Spring (26) one end is fixed with rice baffle plate (28), rice baffle plate (28) and spring (26) from one end of rice roller (25) axially across, it is installed on the discharging section of a meter roller (25), baffle plate rice (28) just rice output outlet to screen frame (unit) (15)；The other end of spring (26) and the bottom of a vertical bar are fixed, and the top of vertical bar is fixed with a nut；Rice baffle plate adjusting rod (24) is installed by the installing hole level on rice machine shell, and the front end of rice baffle plate adjusting rod (24) is provided with screw thread, is connected with the nut screw connection on spring (26)；Rice baffle plate adjusting rod (24) axial location is fixed；Rotating the position of rice baffle plate adjusting rod (24) adjusting nut, thus regulating the stroke of spring (26), controlling the gap between rice baffle plate (28) and screen frame (unit) (15)；
Broken shell section be respectively arranged at the two ends with spherical transition fillet, the intermediate portion cross-section of broken shell section is rounded square；
Fillet composition broken shell die cavity in combination mesh screen (29) and rice roller (25) broken shell section；In broken shell die cavity, Oryza glutinosa is processed into rice husk and brown rice, wherein rice husk flows into rice husk hopper (16) from the grid combination mesh screen (29), and brown rice continues to move to along rice roller (25) to be smash, by rice baffle plate (28), screen frame (unit) (15) and rice roller (25), the brown rice processing cavity that smart section is collectively forming；In brown rice processing cavity, brown rice is processed into Testa oryzae, milled rice with embryo and the mixture cracked rice；Discharging opening (20) is fixed on screen frame (unit) (15), is positioned at spring (26) lower section；Testa oryzae, milled rice with embryo and the mixture cracked rice flow into milled rice with embryo screening system by discharging opening (20) after flowing out from the gap between screen frame (unit) (15) and rice baffle plate (28)；Broken shell die cavity and brown rice processing cavity collectively constitute whitening chamber；
Described milled rice with embryo screening system includes blower fan (22), fan shroud (27), sorting chamber (19), changeover portion (18), screen cloth (17) and Testa oryzae collecting box (30)；Wherein blower fan (22) is connected with rice roller (25) screwed fan section by screw thread, and it is fixing locked with nut (23), blower fan (22) is positioned at fan shroud (27), and fan shroud (27) is fixed on screen frame (unit) (15)；Sorting chamber (19) is fixed on meter machine shell；The air inlet of sorting chamber (19) docks with the air outlet of fan shroud (27)；The Testa oryzae of sorting chamber (19), milled rice with embryo are connected with discharging opening (20) with mixture inlet of cracking rice, the exit of the Testa oryzae of sorting chamber (19) is connected with Testa oryzae collecting box (30), and milled rice with embryo and the exit of cracking rice of sorting chamber (19) are connected with one end of changeover portion (18)；Screen cloth (17) is connected with the other end of changeover portion (18)；It is welded with guide plate at Testa oryzae, milled rice with embryo and mixture inlet place of cracking rice, is used for the mixture that scatters；It is provided with the first and second two screening die cavities in sorting chamber (19), enters the air quantity of the second die cavity more than the first die cavity；First die cavity is for the Testa oryzae of separate small particles, and the second die cavity is used for separating oarse-grained Testa oryzae and the unsegregated little granule Testa oryzae of the first die cavity；Mixture is divided into Testa oryzae and milled rice with embryo and two parts of cracking rice after sorting chamber (19), and wherein Testa oryzae enters Testa oryzae collecting box (30) after directly separating from sorting chamber；Milled rice with embryo and crack rice and flow into screen cloth (17) after changeover portion (18), changeover portion (18) and screen cloth (17) are all downward-sloping；Screen cloth (17) is made up of upper and lower two-layer, and upper strata is grid, cracks rice in order to filter；Top end is milled rice with embryo outlet, and lower floor is provided with outlet of cracking rice；Milled rice with embryo exports from milled rice with embryo more than grid and flows out, and cracks rice and enters lower floor by grid, flows out from the outlet of cracking rice of lower floor.
2. embryo rice mill protected by household type rice according to claim 1, it is characterized in that: described combination mesh screen (29) is formed by two pieces of semi-cylindrical wire-mesh screen docking, stagger between the axis of two pieces of semi-cylindrical wire-mesh screens 3mm, forms table top in the position that two pieces of semi-cylindrical wire-mesh screens intersect；The mesh width of wire-mesh screen is 1.5mm, and Gridding length is 15mm, and in the direction of the width at a distance of 1.5 between grid and grid, length direction staggers 6mm.
3. embryo rice mill protected by household type rice according to claim 2, it is characterised in that: described rice roller (25) send paddy section side to be provided with double thread line.
4. embryo rice mill protected by household type rice according to claim 3, it is characterised in that: described rice roller (25) broken shell segment length is 133mm；
Broken shell section head end and end are equipped with spherical transition fillet；Along the direction that Oryza glutinosa advances, the gap between the spherical transition fillet of broken shell section head end and combination mesh screen (29) is gradually decreased to 4.8mm from 6mm；Wherein, broken shell section head end is broken shell section and the one end sending paddy section to be connected, and broken shell section end is broken shell section and smash one end that essence section is connected；
Broken shell section mid portion is axially in 1 degree tapering, and cross section is square fillet, the direction namely advanced along Oryza glutinosa, and broken shell section mid portion and the gap combined between mesh screen (29) are from large to small.
5. embryo rice mill protected by household type rice according to claim 4, it is characterised in that: described in smash essence section and be provided with three roads about the symmetrical stud in axle center, muscle height is 3～4mm.
6. embryo rice mill protected by the household type rice according to any one of Claims 1 to 5, it is characterised in that: described grain bucket includes storage bin hopper (9) and flow control valve (10)；Flow control valve (10) is arranged at storage bin hopper (9) exit, in order to control the size that storage bin hopper (9) exports, smashes the flow of Oryza glutinosa in essence system thus controlling to enter；Storage bin hopper (9) is connected with screen frame (unit) (15), and Oryza glutinosa enters to enter to smash in essence system after storage bin hopper (9) regulates valve (10) adjustment flow by inflow-rate of water turbine and carries out pearling.
7. embryo rice mill protected by household type rice according to claim 6, it is characterised in that: described power drive system includes motor (5), the first skin driving wheel (4), V-type band (3), the second belt pulley (11), power cabinet (6), stop button (7) and starts button (8)；First belt pulley (4) is connected with motor (5) axle by key；First belt pulley (4) and the second belt pulley (11) are in transmission connection by V-type band (3), the power exported by motor (5) transmits to the second belt pulley (11), second belt pulley (11) is connected by the dynamia transmission section of key with rice roller (25), by power transmission to rice roller (25)；The diameter of the first belt pulley (4) is more than the diameter of the second belt pulley (11)；Motor (5), stop button (7) are connected with power cabinet (6) respectively through wire with starting button (8)；With plug on power cabinet (6), for being connected with external power supply；Startup button (8) and stop button (7) are respectively used to control operation and the stopping of motor (6).
8. embryo rice mill protected by household type rice according to claim 7, it is characterised in that: described rice machine shell includes the shrouding (2) of frame (1) and each；
The bottom of frame (1) is provided with 4 fulcrums for fixing motor (5), and the centre of frame (1) is provided with 4 fulcrums for fixing screen frame (unit) (15)；
Shrouding (2) is bolted on fixed frame (1), by the structure steganography of whole rice mill in rice machine shell；
The shrouding (2) at top leaves the charging aperture of storage bin hopper (9)；The shrouding (2) of side leaves at screen cloth (17) place milled rice with embryo and outlet of cracking rice, leaves installing hole at gear rice bar adjusting rod (24) place, shrouding (2) above leaves the rice husk outlet of rice husk hopper (16), shrouding (2) below leaves the Testa oryzae outlet of sorting chamber (19)；
Frame (1) bottom bay of rice mill is fixed with castor (31).
9. embryo rice mill protected by household type rice according to claim 8, it is characterised in that: being welded with 2 blocks of fixing plates on described sorting chamber (19), sorting chamber (19) is fixed by bolts on meter machine shell by fixing plate.
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