CN109772498A - Hulling machine - Google Patents

Hulling machine Download PDF

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Publication number
CN109772498A
CN109772498A CN201910095363.0A CN201910095363A CN109772498A CN 109772498 A CN109772498 A CN 109772498A CN 201910095363 A CN201910095363 A CN 201910095363A CN 109772498 A CN109772498 A CN 109772498A
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China
Prior art keywords
screening case
case
rice
tube
screening
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CN201910095363.0A
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Chinese (zh)
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CN109772498B (en
Inventor
雷济东
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Chongqing Chengyang Agricultural Development Co Ltd
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Chongqing Chengyang Agricultural Development Co Ltd
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Abstract

The present invention relates to rice to sieve filtration art, more particularly to a kind of hulling machine, including control box, control box is used to release polished rice, it cracks rice and rice shell, including the first screening case and the second screening case, first screening case offsets with the second screening case and the Sidewall Height to offset is concordant, discharge nozzle is equipped between first screening case and control box, first screening case is located at the lower section of control box, the top of first screening case is equipped with sieve pore, the exhaust fan that first screening case side is equipped with Venturi tube and is connected to Venturi tube, U-tube is communicated between first screening case and the second screening case, the trunnion of Venturi tube is communicated with the connecting tube being connected to U-tube, U-tube is connected to the second screening case and connectivity part is equipped with filter screen, the diffuser of Venturi tube is communicated with filter residue case, gas outlet is provided on filter residue case.The polished rice that is used to generate hulling machine using this programme is cracked rice, the progress substep screening of rice shell, is avoided that be mingled in polished rice and be cracked rice.

Description

Hulling machine
Technical field
The present invention relates to rice to sieve filtration art, and in particular to a kind of hulling machine.
Background technique
After being collected to paddy, the separation of rice husk rice is generally carried out using hulling machine, common hulling machine is general Top for rubber roller shelling type hulling machine, including control box, control box is equipped with feed inlet, and rice is poured into control box from feed inlet Inside, control box is interior to be equipped with main rotating roller and secondary rotating roller, and the revolving speed of main rotating roller is greater than the revolving speed of pair rotating roller, band is peeled off Rice be poured into control box, rice passes through the gap between main rotating roller and secondary rotating roller, main rotating roller and secondary rotating roller Between phase mutual friction, to peel off to the rice poured into.Rice after peeling off is discharged by control box.
But above scheme still have several drawbacks place: due to the material being discharged from control box include polished rice, crack rice with And rice shell, polished rice, crack rice and be mingled with rice shell together with, be unfavorable for operator and carry out categorised collection.
Summary of the invention
The invention is intended to provide it is a kind of can to polished rice, crack rice, rice shell carry out substep screening hulling machine.
To achieve the above object, the invention provides the following technical scheme:
Hulling machine, it is characterised in that: including being arranged in the first screening case below control box and the second screening case, described the One screening case offsets with the second screening case, and the Sidewall Height to offset is concordant, is equipped between the first screening case and control box Discharge nozzle and discharge nozzle are located at the surface of the first screening case, and the first screening case is located at the lower section of control box, the first screening The top of case is equipped with sieve pore, and the exhaust fan that first screening case side is equipped with Venturi tube and is connected to Venturi tube is described U-tube is communicated between first screening case and the second screening case, and the trunnion of the Venturi tube is communicated with the be connected to U-tube One tracheae, the U-tube is connected to the second screening case and connectivity part is equipped with filter screen, and the diffuser of the Venturi tube is communicated with Filter residue case is provided with gas outlet on the filter residue case.
The principle of the present invention and the utility model has the advantages that
(1) polished rice that is generated by the work of rice shell seperator is cracked rice and rice shell is deposited in the top of the first screening case, in gravity Under the action of, screening separation is carried out to polished rice by sieve pore, and is cracked rice and rice shell then passes through sieve pore and falls to the first screening case In, it is slid into the second screening case so that polished rice and part rice shell be allowed then to pass through the first screening box top, realizes polished rice and crack rice Separation.
(2) rice shell in the second screening case is adsorbed by exhaust fan, so that quality is lighter than the rice shell of polished rice by exhausting Machine siphons away, and the draft of exhaust fan is acted on by U-tube to the first screening case, to the rice of lighter weight in the first screening case Shell is adsorbed.
(3) the rice shell meeting Partial Blocking U-tube and the filter screen of the second screening case junction in U-tube are sucked, so that taking out Blower weakens the suction of the first screening case, and is entered in Venturi tube by the gas that exhaust fan outlet air end is discharged, and leads to The negative pressure for crossing Venturi tube generation adsorbs the rice shell being deposited on filter screen, and then realizes the effect that filter screen is not blocked Fruit.
Further, the top of the first screening case and the bottom of the second screening case are inclined inclined-plane.
The utility model has the advantages that being slided on the first screening box top and the second screening bottom portion under the action of rice self gravity Dynamic, instant rice is transferred in the second screening case from the first screening box top, to facilitate screening and the exhaust fan pair of sieve pore The rice shell that quality in the second screening case is lighter than polished rice is adsorbed.
Further, the Venturi tube diffuser is communicated with third tracheae, and the third is intratracheally equipped with impeller, the U Type pipe and the second screening case connectivity part are equipped with scraping blade, and the scraping blade, which is located at right above impeller and is connected between scraping blade and impeller, to be turned Axis, shaft are rotatably assorted with U-tube, third tracheae.
The utility model has the advantages that driving shaft rotation by impeller, scraping blade rotation is driven by shaft, thus to U-tube and the The filter screen of two sieve plate connectivity parts carries out scraper, and then allows filter screen not to be blocked and clog, and allows the wind of exhaust fan to take out effect more preferable.
Further, the gas outlet of the filter residue case and the bottom of the first screening case are communicated with exhaust pipe, and connectivity part is equipped with Ultrafiltration membrane.
The utility model has the advantages that the gas being discharged by exhaust pipe stirs the material in the first screening case, to allow first Rice shell side is just sucked out under the action of exhaust fan wind is taken out in screening case.
Further, it is welded with U-shaped board at the top of the first screening case, the opening of the U-shaped board sieves case towards second.
The utility model has the advantages that being poured on the rice of the first screening box top from feed pipe, by the enclosing of U-shaped board, will not trickle down Outside first screening case.
Detailed description of the invention
Fig. 1 is longitudinal partial sectional view of the present embodiment.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes:
Discharge nozzle 1, first sieves case 2, sieve pore 201, second sieves case 202, U-tube 3, the first tracheae 301, the second tracheae 302, exhaust fan 4, third tracheae 401, Venturi tube 5, entrance 501, trunnion 502, diffuser 503, filter residue case 6, sieve plate 601, exhaust pipe 7, impeller 8, shaft 801, scraping blade 802.
Embodiment:
Hulling machine is equipped with feed inlet, sets in control box including rack and the control box being fixed on the rack at the top of control box There are main rotating roller and secondary rotating roller, the motor that can drive main rotating roller and secondary rotating roller rotation is connected on control box side wall, it is main The revolving speed of rotating roller is greater than the revolving speed of secondary rotating roller, is available for the gap that rice passes through between main rotating roller and secondary rotating roller, As shown in Figure 1, the lower section of control box is equipped with the first screening case 2 and the second screening case 202 positioned at 2 left side of the first screening case, the One screening case 2 and the second screening case 202 are each attached in rack, the second screening case 202 top opening and the second screening case 202 Right wall and the left wall of the first screening case 2 offset, and the bottom of the second screening case 202 is in the inclined ramp of left low and right high, the second screening The left wall of case 202 is communicated with vomit pipe.
The discharge nozzle 1 being connected to control box is equipped with above first screening case 2, the top of the first screening case 2 is left low and right high Inclined ramp, first screening case 2 left end with second sieve case 202 right end flush.The top of first screening case 2 is welded with U-shaped board (is not drawn into) in figure, and the opening of U-shaped board sieves case 202 towards second.The upper surface of first screening case 2 is provided with sieve pore 201, the sieve pore 201 in the present embodiment is in ellipticity, major semiaxis length (i.e. longer half axial length of length in ellipse of sieve pore 201 Degree) be less than the polished rice length of standard and be greater than the length cracked rice, sieve pore 201 be used to by polished rice with crack rice, rice shell separates.
The right wall top of first screening case 2 is communicated with drainage conduit, and drainage conduit is communicated with U-tube 3, and U-tube 3 includes horizontal segment With the left vertical section and right vertical section for being located at horizontal segment two sides.The top of left vertical section is connected to the bottom of the second screening case 202, And connectivity part is equipped with filter screen.The left side of U-tube 3 is equipped with the Venturi tube 5 being fixed on the rack, the left side outer wall of left vertical section On be provided with opening, opening is located at below filter screen, and being open in the present embodiment the spacing between filter screen is 3cm.
Venturi tube 5 includes the entrance 501, trunnion 502 and diffuser 503 set gradually from top to bottom, the first tracheae 301 are connected to the trunnion 502 of Venturi tube 5, and the top of Venturi tube 5 is equipped with the exhaust fan 4 being fixed on the rack, exhaust fan 4 Air outlet be connected to the entrance 501 of Venturi tube 5.The trunnion 502 of Venturi tube is communicated with the first tracheae towards opening 301, and there are the spacing of 2cm between the right end and opening of the first tracheae 301 in the present embodiment.
Exhaust fan 4 also is located at the top of the second screening case 202, and the suction opening of exhaust fan 4 is communicated with the second tracheae 302, the The pumping end of two tracheaes 302 extends into the inside of the second screening case 202, and pumping end is equipped with and is filtered screening to polished rice Fine screen net.
The lower section of Venturi tube 5 is equipped with filter residue case 6, and third gas is communicated between filter residue case 6 and the diffuser of Venturi tube 5 Pipe 401 is equipped with the sieve plate 601 for filtering rice shell in filter residue case 6.6 right wall of filter residue case is communicated with exhaust pipe 7, and exhaust pipe 7 In the lower section of sieve plate 601, exhaust pipe 7 is connected to the first screening 2 bottom of case, and connectivity part is equipped with ultrafiltration membrane.
Third is intratracheally equipped with impeller 8, scraping blade 802 is equipped in the left vertical section of U-tube 3, scraping blade 802 is horizontally disposed and scrapes Piece 802 offsets with filter screen, is connected with shaft 801 between impeller 8 and scraping blade 802, shaft 801 respectively with third tracheae 401, U The left vertical section of type pipe 3 is rotatablely connected, and junction is equipped with sealing ring.
Specific implementation process is as follows:
By discharge nozzle 1 will by hulling machine husk separation polished rice, cracking rice is emitted into the upper of the first screening case 2 with rice shell At surface, since the length of polished rice is greater than the length of sieve pore 201, so will be cracked rice by sieve pore 201 is less than sieve with partial-length The rice shell of 201 length of hole is sized in the first screening case 2, and polished rice and part in the first screening box top Jing Guo filtration residue Rice shell can be transferred in the second screening case 202 under the action of inclined first screening, 2 top of case.
Start exhaust fan 4, acted on the draft that exhaust fan 4 generates in the second screening case 202 by the second tracheae 302, Screening is filtered to the polished rice and rice shell that are transferred in the second screening case 202, the rice shell of lighter weight is taken away, by quality compared with The polished rice of weight stays in inside the second screening case 202.
When exhaust fan 4 is to wind pumping is carried out inside the second screening case 202, the draft of generation can be acted on by U-tube 3 to the In one screening case 2, the rice shell in the first screening case 2 is adsorbed.
The gas being discharged by exhaust fan 4, through 401 row of third tracheae into filter residue case 6, while gas is in third tracheae When 401 flowing, the impeller 8 that will drive in third tracheae 401 is rotated, and is rotated by impeller 8 and is driven scraper rotation, due to exhaust fan 4 adsorb the first screening case 2 by U-tube 3, and rice shell can be entered to by U-tube 3 and the second screening 202 connectivity part of case In second screening case 202.The rotation of scraper is driven by impeller 8, so that the connection of the bottom of the second screening case 202 and U-tube 3 The filter screen at place is not clogging by rice shell.
It is flowed by third tracheae 401 into Venturi tube 5 by the high pressure gas of 4 gas outlet of exhaust fan discharge, due to text 502 cross-sectional area of trunnion of venturi 5 be less than entrance 501 cross-sectional area, so high pressure gas by trunnion 502 when It waits, the flow velocity of air-flow is speeded, so that the negative-pressure adsorption power that will form negative pressure at trunnion 502, and generate passes through the first tracheae 301 The rice shell that scraping blade 802 scrapes is adsorbed, to make meter shell again stifled to the second screening case 202 and 3 connectivity part of U-tube Plug.
It is entered in filter residue case 6 by the gas that third tracheae 401 is discharged, the rice shell being mingled in gas by sieve plate 601 It is filtered, so that gas, which is discharged, from exhaust pipe 7 does not contain rice shell impurity.
The gas being passed through in exhaust pipe 7 is finally discharged in the first screening case 2, is blown the material in the first screening case 2 Dynamic overturning.
The above are merely the preferred embodiment of the present invention, it is noted that for those skilled in the art, not Under the premise of being detached from present inventive concept, several modifications and improvements can also be made, these also should be considered as protection model of the invention It encloses, these all will not influence the effect and patent practicability that the present invention is implemented.The present invention omit describe technology, shape, Construction portion is well-known technique.

Claims (5)

1. hulling machine, it is characterised in that: including be arranged in below control box first screening case and second screening case, described first Screening case offsets with the second screening case, and the Sidewall Height to offset is concordant, is equipped between the first screening case and control box Expects pipe, and discharge nozzle is located at the surface of the first screening case, the first screening case is located at the lower section of control box, the first screening case Top be equipped with sieve pore, first screening case side is equipped with Venturi tube and the exhaust fan that is connected to Venturi tube, described the It is communicated with U-tube between one screening case and the second screening case, the trunnion of the Venturi tube is communicated with first be connected to U-tube Tracheae, the U-tube is connected to the second screening case and connectivity part is equipped with filter screen, and the diffuser of the Venturi tube is communicated with filter Slag case is provided with gas outlet on the filter residue case.
2. hulling machine as described in claim 1, it is characterised in that: the bottom at the top of the first screening case and the second screening case Portion is inclined inclined-plane.
3. hulling machine as claimed in claim 2, it is characterised in that: the Venturi tube diffuser is communicated with third tracheae, institute State third and be intratracheally equipped with impeller, the U-tube and the second screening case connectivity part are equipped with scraping blade, the scraping blade be located at impeller just on Shaft is connected between side and scraping blade and impeller, shaft is rotatably assorted with U-tube, third tracheae.
4. hulling machine as claimed in claim 3, it is characterised in that: the bottom of the gas outlet of the filter residue case and the first screening case It is communicated with exhaust pipe, and connectivity part is equipped with ultrafiltration membrane.
5. hulling machine as claimed in claim 4, it is characterised in that: it is welded with U-shaped board at the top of the first screening case, it is described The opening of U-shaped board sieves case towards second.
CN201910095363.0A 2019-01-31 2019-01-31 Rice huller Active CN109772498B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910095363.0A CN109772498B (en) 2019-01-31 2019-01-31 Rice huller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910095363.0A CN109772498B (en) 2019-01-31 2019-01-31 Rice huller

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CN109772498A true CN109772498A (en) 2019-05-21
CN109772498B CN109772498B (en) 2020-08-25

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6185180A (en) * 1984-10-01 1986-04-30 Toshiji Ichihara Hulling of beans including peanuts
CN201147697Y (en) * 2008-01-18 2008-11-12 张振祥 Combined rice mill
CN201552137U (en) * 2009-11-28 2010-08-18 湖南郴州粮油机械有限公司 Rice huller winnowing device
CN204193992U (en) * 2014-11-10 2015-03-11 云南红河酷爱哈尼梯田产业发展有限公司 A kind of hulling machine had from dedusting function
CN107597239A (en) * 2017-08-31 2018-01-19 贵州省湄潭县富通米业有限公司 A kind of method of rice processing
CN107694659A (en) * 2017-10-10 2018-02-16 广西贵港市恒桥米业有限公司 A kind of rice milling machine with separation of rice bran from rice
CN207856979U (en) * 2017-12-27 2018-09-14 安陆市永丰粮油机械制造有限公司 It is a kind of can high efficiency filter rice mill

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6185180A (en) * 1984-10-01 1986-04-30 Toshiji Ichihara Hulling of beans including peanuts
CN201147697Y (en) * 2008-01-18 2008-11-12 张振祥 Combined rice mill
CN201552137U (en) * 2009-11-28 2010-08-18 湖南郴州粮油机械有限公司 Rice huller winnowing device
CN204193992U (en) * 2014-11-10 2015-03-11 云南红河酷爱哈尼梯田产业发展有限公司 A kind of hulling machine had from dedusting function
CN107597239A (en) * 2017-08-31 2018-01-19 贵州省湄潭县富通米业有限公司 A kind of method of rice processing
CN107694659A (en) * 2017-10-10 2018-02-16 广西贵港市恒桥米业有限公司 A kind of rice milling machine with separation of rice bran from rice
CN207856979U (en) * 2017-12-27 2018-09-14 安陆市永丰粮油机械制造有限公司 It is a kind of can high efficiency filter rice mill

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