JP4025816B2 - Agitation rice mill - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an improvement of a stirring type rice mill equipped with a koji discharging mechanism. In the present invention, the rice milling machine includes not only a so-called rice milling machine that polishes brown rice, but also a rice milling machine or a non-washing machine that further polishes the polished rice.
[0002]
[Prior art]
For example, as shown in FIGS. 5 and 6, the stirring-type rice mill includes a milled rice vessel 51 in which a large number of small holes 60 a are formed over a partial range of the side wall (a range indicated by an arrow r in FIG. 6), And a rice milling means 52 for stirring and milling rice, and an outer container 53 having a suction opening 69 communicating with the rice cake storage chamber 55 and the rice cake suction device 56, and a lid 54 for closing the upper portion of the outer container 53. Yes. In the rice mill container 51, the rice is stirred by the rice milling means 52, and the rice bran is separated from the rice. At this time, the small hole 60a of the rice milling container 51 has a rice milling action of removing rice bran from the rice by the peripheral edge portion, and also has a function of discharging the rice bran through the small hole 60a to the outside of the rice milling container 51. Further, during the milled rice, since the koji suction device 56 sucks air, the air that has passed through the air inlet 68 and the air chamber 67 flows from the air inlet 66 toward the suction opening 69. For this reason, the soot discharged from the small hole 60 a is carried by this air and accumulated in the filter 74 in the soot storage chamber 55.
[0003]
[Problems to be solved by the invention]
However, when the straw discharged from the large number of small holes 60a is reduced in suction performance due to the filling of the straw storage chamber 55, it sticks to the outer surface of the rice milling container 51 and the inner surface of the outer container 53 along with it. Eventually, there is a problem that soot accumulates between the milled rice vessel 51 and the outer vessel 53 and becomes clogged and cannot be discharged. In such a case, the rice bran 51 is removed and cleaned to remove the wrinkles, but regular maintenance is required, which is troublesome and cumbersome. There is also a method for recovering the cocoons by providing a device for mechanically scraping the stuck cocoons, but the entire apparatus of the rice milling machine becomes large and complicated, and the cost becomes expensive. In order to collect the soot discharged from a large number of small holes 60a over a partial range of the side wall only by wind power, the soot suction device 56 having a large suction force is required. It becomes expensive, and the noise is also large.
[0004]
An object of the present invention is to solve the above-mentioned problems and to provide an agitation-type rice mill that can efficiently recover rice bran.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the stirring rice milling machine of the present invention is:
A rice mill container in which a rice cake discharge part having one or more holes for discharging rice cake without discharging rice on the outside is formed in a part of the side wall and / or the bottom wall;
A rice milling means for stirring the rice in the rice milling vessel;
Lid means for closing the top of the rice milling vessel;
An outer container surrounding the periphery of the rice milling container,
In the outer container, there is formed a bag receiving part that surrounds the bag discharging part with a gap between the bag discharging part and has a suction opening that communicates with the bag storage chamber and the bag suction device from the gap. A stirring rice milling machine,
The soot receiving portion is provided with the suction opening in the bottom wall of the soot receiving portion, and an air inlet opening in a range including the vicinity of the upper end of the soot receiving portion is provided in the vicinity of the suction opening. And
Air entering from the air inlet is configured to flow in a short distance toward the suction opening through the gap between the soot discharge portion and the soot receiving portion.
The said air inflow port illustrates the aspect provided so that it might extend up and down in the side wall of the said soot receiving part.
The said air inflow port illustrates the aspect provided in the position higher than the hole of the said soot discharge part.
In addition, the stirring-type rice mill of the present invention includes a dehulling portion configured to regulate movement of rice without discharging rice cake on the outside, and one or more of discharging rice cake without discharging rice outside Surrounding the periphery of the rice bran discharge unit with a gap between the rice milling vessel provided with the rice bran discharge unit provided with a hole, the rice milling means for stirring the rice in the rice milling container, and the rice bran discharge unit A stirring type rice mill comprising a rice cake receiving part having a suction opening communicating with the rice cake storage chamber and the rice cake suction device from the gap, and a lid means for closing the upper part of the rice milling container, An air inlet and the soot discharge portion are disposed in the vicinity of the suction opening so that air entering from the air inlet flows through the gap between the soot discharge portion and the soot receiving portion toward the suction opening. It is configured.
[0006]
Although it does not specifically limit as said air inflow port, The following aspect is illustrated.
(1) The aspect which is 1 or 2 or more holes, a groove | channel, a notch, etc. which were formed in the said collar receiving part.
(2) The aspect which is the clearance gap formed between the said rice bran receiving part and the said rice polishing container or / and the said cover means.
[0007]
In particular, the air inlet is preferably formed in the vicinity of the upper end portion of the soot receiving portion so as to be higher than the soot discharge portion. This is because it becomes difficult for the pieces of rice that have passed through the straw discharge portion to jump out of the air inlet. In addition, if the air inflow path from the air inlet to the rice cake receiving part is bent or the opening of the air inlet is narrowed by forming, for example, a porous shape or a comb shape, the popping out of the rice pieces is more reliably performed. Can be prevented.
[0008]
Although it does not specifically limit as said lid | cover means, The lid | cover which closes the upper part of the said rice milling container and the rice mill storage hopper arrange | positioned so that the upper part of this rice milling container may be closed are illustrated.
[0009]
According to this configuration, the rice removal part, which is a part having a rice milling action, and the rice cake discharge part, which is a part having a rice cake discharging action, are separated, so that the rice cake is collected only around the rice cake discharging part. This will enable efficient collection of soot. For this reason, for example, the problem of sticking or accumulation of soot on the outer container in the conventional example can be localized around the soot discharge part, and maintenance work such as equipment failure due to clogging or periodic cleaning is saved. It can be greatly reduced. And since the air inflow port and the soot discharge part are disposed in the vicinity of the suction opening of the soot receiving part, the soot discharged from the soot discharge part can be efficiently recovered without being scattered. Can do. In addition, since the distance from the air inlet to the suction opening is short, a small and light weight suction device can be employed.
[0010]
The lid means or / and the rice milling container are provided with a second air inlet that allows air to flow toward the suction opening through the rice milling container inner side, the rice bran discharge part, and the rice bran receiving part. Is illustrated.
[0011]
Although it does not specifically limit as said 2nd air inflow port of said lid | cover means and said rice milling container, The 1 or 2 or more hole provided in said lid | cover means and said rice milling container, the peripheral part of said lid | cover means, and said rice polishing Examples of one or more grooves or notches formed in the opening edge of the container are illustrated. Further, a gap as a second air inlet can be provided between the lid means and the rice milling container. The second air inlet needs to be configured so that the rice in the rice mill container is not discharged during the rice milling.
[0012]
According to this configuration, air is directed from the second air inlet provided in the lid means and / or the rice milling container to the suction opening through the inside of the rice milling container, the rice bran discharge part, and the rice bran receiving part. In addition to the centrifugal force generated by the stirring by the rice milling means, the rice cake produced in the rice milling container due to the air flow can be smoothly discharged from the rice cake discharge section.
[0013]
The said removal part illustrates the aspect provided with many recessed parts or / and convex parts formed in the inner surface of the said rice milling container. Although it does not specifically limit as this recessed part or / and a convex part, The following aspect is illustrated.
(A) The said recessed part was formed with the wall part in which the through-hole was formed, and the obstruction | occlusion member which block | closes this through-hole on the said rice polishing container outer side.
(B) The said recessed part or convex part is the aspect formed in the inner surface of the said side wall by press molding.
[0014]
Moreover, the said removal part illustrates the aspect by which surface processing which improves a friction coefficient was performed.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
1 to 4 show a stirring-type rice mill according to a first embodiment that embodies the present invention. This stirring-type rice milling machine closes the rice milling container 1 for storing rice, the rice milling means 2 for rotating and stirring the rice, the outer container 3 surrounding the rice milling container 1, and the upper part of the outer container 3 A lid 4, a straw storage chamber 5 and a straw suction device 6 disposed at the lower part of the outer container 3, a motor 7 for rotationally driving the rice milling means 2, and a rice container 8 are provided. Is housed inside.
[0016]
The rice milling container 1 includes a rice outlet 11 formed on a part of the side wall, a rice bran discharge part 30 formed on a part of the side wall and the bottom wall substantially opposite to the rice outlet 11, and a rice outlet 11. And the removal part 10 formed in parts (range shown by the arrow a in FIG. 2) other than the soot discharge part 30 is provided. In this example, the rice bran discharge part 30 is provided on a part of the side wall substantially opposite to the rice outlet 11, but this is an example, and both positions can be arbitrarily set, for example, formed in the vicinity of the rice outlet 11. You can also
[0017]
The rice removal unit 10 of the rice milling container 1 is configured not to discharge rice bran to the outside of the rice milling container 1 but to exert a rice milling action by regulating rice movement. Although it does not specifically limit as this removal part 10, The aspect provided with many recessed parts or / and convex parts in the inner surface of the rice milling container 1 side wall is illustrated, and the following aspect is specifically illustrated.
(A) The aspect provided with the porous wall part 35 formed in the penetrated porous, and the obstruction | occlusion member 36 which block | closes the hole 35a of the porous wall part 35 by the rice milling container 1 outer side. FIG. 4A is a cross-sectional view of the hole 35a.
(B) The aspect provided with many recessed parts 37 formed by press molding in the inner surface of the side wall of the polished rice container 1. FIG. 4B is a cross-sectional view of the recess 37.
(C) A mode in which a large number of convex portions 38 are formed on the inner surface of the side wall of the polished rice container 1 by press molding. FIG. 4C is a cross-sectional view of the convex portion 38.
(D) A mode in which a large number of concave portions 37 and convex portions 38 are formed on the inner surface of the side wall of the polished rice container 1 by press molding. FIG. 4D is a cross-sectional view of the concave portion 37 and the convex portion 38.
[0018]
In addition to the concave portion or / and the convex portion, surface processing for improving the coefficient of friction can be performed on the inner surface of the side wall of the polished rice container 1.
[0019]
The rice bran discharging unit 30 of the rice milling container 1 includes a plurality of long holes 30a in the side wall of the rice milling container 1 for discharging rice cake without discharging rice to the outside of the rice milling container 1, and the rice milling container 1 in the vicinity of the long hole 30a. The hole 30b is provided in the peripheral part of the bottom wall. The long holes 30a of this example are formed to have a width that allows the rice bran to pass through and most of the rice does not pass through, and is arranged in two rows in the side wall height direction of the rice milling container 1 and in six rows in the side wall circumferential direction. Further, since the rice is always stirred on the seat 12 described later, the rice is not discharged from the hole 30b.
[0020]
The rice milling means 2 comprises a disc-shaped seat 12, a rotary bearing 13 formed upward in the center thereof, and a cylindrical stirring member 15 connected to the rotary bearing 13 via a connecting portion 14 in the radial direction. The rotating shaft of the motor 7 is fitted to the bearing 13. The outer diameter of the seat 12 is set to be slightly smaller than the inner diameter of the rice milling container 1 (there is a minute gap that does not allow the rice to be bitten), and the rice is always stirred on the seat 12. The lower end of the rice outlet 11 of the rice milling container 1 is set slightly below the upper surface of the seat 12. In addition, the surface of the cylindrical stirring member 15 is made into a fine brush shape, and has the effect | action which grinds the surface of rice.
[0021]
The outer container 3 is configured so that the outer peripheral surface of the milled rice container 1 other than the rice bran discharge unit 30 is closely attached and surrounds the rice bran discharge unit 30 with a gap therebetween. A surrounding bowl receiving portion 31 is formed. The opening edge 31 a of the rice bran receiving portion 31 is in close contact with the outer surface of the rice milling container 1. An air inflow port 18 that extends vertically is provided on the side wall of the eaves receiving portion 31. Further, a suction opening 19 is formed in the bottom wall of the soot receiving portion 31 so as to communicate with the soot storage chamber 5 and the soot suction device 6 from the gap. Thus, the air inlet 18 and the soot discharge part 30 are disposed in the vicinity of the suction opening 19 of the soot receiving part 31, and the air that has entered from the air inlet 18 is between the soot discharge part 30 and the soot receiving part 31. The gap is configured to flow toward the suction opening 19.
[0022]
A discharge opening 20 is formed at a location corresponding to the rice outlet 11 of the outer container 3, and a discharge door 21 that can be opened and closed is installed in the discharge opening 20. The rice outlet 11 is sealed when the rice is not discharged. Yes. When the discharge path 22 opened on the rice container 8 is formed so as to cover the discharge opening 20 and the discharge door 21 is opened, the rice outlet 11 of the rice milling container 1 is connected to the rice container via the discharge opening 20 and the discharge path 22. 8 is led.
[0023]
Note that the side wall of the outer container 3 does not necessarily have to be in close contact with the milled rice container 1 between the discharge opening 20 of the outer container 3 and the rice bran discharge part 30 (the range in which the removal part 10 is provided).
[0024]
The lid 4 is formed with a through hole 4a as a second air inlet configured not to discharge rice. The number of through-holes 4a is not particularly limited, and may be 1 or 2 as appropriate.
[0025]
A bag-like filter 24 used for a vacuum cleaner is arranged in the bag storage chamber 5. When the rice bran suction device 6 is actuated (a driving force may be taken from the motor 7), air is passed through the through-hole 4a of the lid 4 from the inside of the rice milling container 1, the rice bran discharge unit 30, and the rice bran receiving unit 31 by the suction force. Then, the air flows toward the suction opening 19 and air flows from the air inlet 18 to the suction opening 19 side. The air flows out of the outer container 3 from the suction opening 19 and is discharged through the bag storage chamber 5 and the bag suction device 6.
[0026]
Next, an example of operation of this stirring type rice mill will be described. First, when commercially available rice is put in the rice milling container 1, the rice milling means 2 is rotated by the motor 7 and the rice bran suction device 6 is operated at the same time, the rice is stirred by the rice milling means 2 in the rice milling container 1. By this stirring, the rice is rubbed against the surface of the cylindrical stirring member 15 of the rice milling means 2 or the rice removal unit 10 mainly between the rice milling means 2 and the rice removal unit 10 of the rice milling container 1, or the rices collide with each other. The rice cake is separated from the rice by rubbing. In addition to the centrifugal force generated by agitation by the rice milling means 2, this rice bran is the wind force of air flowing from the through hole 4 a of the lid 4 toward the suction opening 19 through the inside of the rice milling container 1, the rice bran discharge unit 30, and the rice bran receiving unit 31. As a result, it is discharged to the soot receiving part 31 through the soot discharging part 30. This is in the vicinity of the suction opening 19, and the soot is carried by the air flowing in from the air inlet 18 of the soot receiving portion 31 and collected in the filter 24 in the soot storage chamber 5 from the suction opening 19. When the scheduled rice milling time is reached, the discharge door 21 that has closed the rice outlet 11 is opened. As a result, the rice in the rice milling container 1 passes through the rice outlet 11 and the discharge opening 20 by centrifugal force of stirring, and falls into the rice container 8 through the discharge path 22. When the milling is finished, the rice container 8 is pulled out from the case 9 sideways, the white rice in it is transferred to another container, and then returned to the original state.
[0027]
According to the stirring-type rice milling machine configured as described above, the rice removal unit 10 that is a part that performs the rice milling action is separated from the rice bran discharge part 30 that is the part that performs the rice cake discharging action. It is sufficient to collect the soot only around the portion 30, so that the soot can be efficiently collected. For this reason, the problem of sticking and accumulation of soot on the outer container 3 and the like can be localized around the soot discharge unit 30, and the maintenance work such as equipment failure due to clogging and periodic cleaning is greatly reduced. Can be reduced.
[0028]
And since the air inlet 18 and the soot discharge part 30 are arrange | positioned in the vicinity of the suction opening 19 of the soot receiving part 31, the soot discharged | emitted from the soot discharge part 30 is collect | recovered efficiently, without scattering. be able to. In addition, since the distance from the air inlet 18 to the suction opening 19 is short, the small and light soot suction device 6 can be employed.
[0029]
Further, the lid 4 includes a through hole 4a as a second air inflow port configured not to discharge rice, so that the air passes from the through hole 4a to the inside of the rice milling container 1, the koji discharge unit 30, and Flowing toward the suction opening 19 through the rice bran receiving part 31, and in addition to the centrifugal force generated by the stirring by the rice milling means 2, the rice cake generated in the rice milling container 1 by the air flow is smoothly discharged from the rice bran discharge part 30 Can do.
[0030]
Next, FIG.7 and FIG.8 has shown the stirring type rice mill based on 2nd embodiment of this invention. In this embodiment, instead of the air inlet 18 on the side wall of the rice bran receiving portion 31 in the first embodiment, an air inlet 81 is provided at a position higher than the long hole 30a for rice bran discharge of the milled rice container 1, This is mainly different from the first embodiment. Accordingly, parts common to the first embodiment are denoted by the same reference numerals, and redundant description is omitted (the same applies to the following embodiments).
[0031]
Specifically, in the present embodiment, an overhanging portion 82 that expands the space in the upper end portion in a stepwise manner to the side is provided at the upper end portion of the collar receiving portion 31, and the overhanging portion 82 of the lid 4 is provided on the overhanging portion 82. By providing the notch 83 at the corresponding site, a step-like gap is formed between the upper end of the rice bran receiving portion 31 and the rice milling container 1 and the lid 4, and this is used as the air inlet 81.
[0032]
According to the stirring-type rice mill of this embodiment configured in this way, in addition to the effects of the first embodiment, the air inlet 81 is provided at a position higher than the long hole 30a for discharging rice bran in the rice milling container 1. Therefore, there is an effect that it is difficult for the piece of rice that has passed through the long hole 30 a to jump out of the air inlet 81. In addition, since the air inflow path from the air inlet 81 to the straw receiving portion 31 is bent stepwise, it is possible to more reliably prevent the rice pieces from popping out.
[0033]
Next, FIG. 9 shows an agitation rice mill according to the third embodiment of the present invention. This embodiment is mainly different from the second embodiment in that the aspect of the air inlet 86 is different.
[0034]
Specifically, in the present embodiment, the inner surface 31b of the rice bran receiving portion 31 is inclined so as to move away from the outer peripheral surface of the rice milling container 1 toward the upper side so that the space in the rice bran receiving portion 31 expands laterally toward the upper side. And providing a notch 83 similar to that of the second embodiment at a portion corresponding to the rice bran receiving portion 31 of the lid 4, thereby providing a gap between the upper end portion of the rice bran receiving portion 31 and the rice milling container 1 and the lid 4. This is used as the air inlet 86.
[0035]
According to the stirring-type rice milling machine of this embodiment configured in this way, in addition to the effects of the first embodiment, in the same manner as in the second embodiment, at a position higher than the long hole 30a for discharging rice bran in the rice milling container 1. The effect by providing the air inlet 86 is obtained. Moreover, since the inner surface 31b of the rice bran receiving portion 31 is inclined so as to be farther away from the outer peripheral surface of the rice milling container 1, the distance from the long hole 30a to the inner surface 31b can be made longer than in the second embodiment. There is an effect that the wrinkles that have passed through the long hole 30a are less likely to adhere to the inner surface 31b.
[0036]
Next, FIGS. 10 to 12 show an agitation rice mill according to the fourth embodiment of the present invention. This embodiment is mainly different from the second embodiment in that the aspect of the air inlet 91 is different.
[0037]
Specifically, in this embodiment, as shown in FIGS. 10 and 11, the opening edge portion 31 a on the upper end side of the rice bran receiving portion 31 in the first embodiment is omitted, and the flange shape of the rice milling container 1 just above that is the flange shape. By forming notches 92 and 93 in the part 1 a and the peripheral edge of the lid 4, a gap is formed almost directly above the space in the collar receiving part 31, and this is used as the air inlet 91. Instead of the notches 92 in the flange-shaped part 1a (which may be the periphery of the lid 4) of the rice milling container 1, for example, by making a plurality of thin notches 94 (comb-like notches) as shown in FIG. The air inlet 91 may be narrowed.
[0038]
Even with the stirring-type rice mill of this embodiment configured as described above, in addition to the effect of the first embodiment, air is placed at a position higher than the long hole 30a for discharging the rice bran in the rice milling container 1 as in the second embodiment. The effect by providing the inflow port 91 is acquired. Further, for example, if the air inlet 91 is configured to be narrow as shown in FIG. 12, it is possible to more reliably prevent the rice pieces from popping out.
[0039]
In addition, this invention is not limited to the said embodiment, For example, it can also be suitably changed and embodied as follows, for example in the range which does not deviate from the meaning of invention.
(1) A rice mill container 1 that does not include the rice outlet 11 and a stirring-type rice mill for the rice mill container 1 are used.
(2) Change the size, shape, or number of the holes 35a, the concave portions 37, or the convex portions 38 of the removal portion 10 as appropriate.
(3) Instead of providing a large number of concave portions or / and convex portions having a rice milling action on the inner surface of the side wall of the milled rice vessel 1 as the dehulling portion 10, the inner surface is subjected to surface processing for improving the friction coefficient.
[0040]
(4) Changing the size, shape, or number of the long holes 30a and the holes 30b of the soot discharging part 30 as appropriate.
(5) Do not provide any one of the long hole 30a or the hole 30b of the bag discharging unit 30.
(6) The size, arrangement position, or number of air inlets 18 and suction openings 19 should be changed as appropriate.
[0041]
(7) As a second air inlet of the lid 4, a groove, a notch or the like is formed in the peripheral edge of the lid 4. Further, instead of the second air inlet of the lid 4 or together with the air inlet, a second air inlet (hole, groove, notch, etc.) is formed in the polished rice vessel 1. Moreover, it replaces with these 2nd air inlets, or provides the clearance gap as a 2nd air inlet between the lid | cover 4 and the rice milling container 1 with this air inlet.
[0042]
【The invention's effect】
As described above in detail, according to the stirring-type rice mill according to the present invention, there is an excellent effect that straw can be efficiently recovered.
[Brief description of the drawings]
FIG. 1 is a conceptual diagram of a cross section of an agitation rice mill according to a first embodiment of the present invention.
FIG. 2 is a conceptual diagram of a main part of a horizontal section of the rice mill.
FIG. 3 is a perspective view showing a rice milling container of the rice milling machine.
FIG. 4 is a cross-sectional view of a removal portion of the rice milling container.
FIG. 5 is a conceptual view of a cross section of a conventional stirring-type rice mill.
FIG. 6 is a conceptual diagram of a main part of a horizontal section of the rice milling machine.
FIG. 7 is a conceptual cross-sectional view of an agitating rice mill according to a second embodiment of the present invention.
FIG. 8 is a plan view of the rice milling machine.
FIG. 9 is a conceptual cross-sectional view of an agitating rice mill according to a third embodiment of the present invention.
FIG. 10 is a conceptual cross-sectional view of an agitation rice mill according to a fourth embodiment of the present invention.
FIG. 11 is a plan view of the rice milling machine.
FIG. 12 is an enlarged plan view showing a modified example of the rice milling machine.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Rice milling container 2 Rice milling means 3 Outer container 4 Lid 4a Through-hole 5 as 2nd air inlet 糠 Storage chamber 6 糠 Suction device 8 Rice container 10 Removal part 11 Rice extraction outlet 15 Cylindrical stirring member 18 Air inlet 19 Suction opening 30 糠 discharge portion 30a long hole 30b hole 31 糠 receiving portion 35 perforated wall portion 35a hole 36 closing member 37 concave portion 38 convex portion 81 air inlet 86 air inlet 91 air inlet

Claims (4)

A rice mill container in which a rice cake discharge part having one or more holes for discharging rice cake without discharging rice on the outside is formed in a part of the side wall and / or the bottom wall ;
A rice milling means for stirring the rice in the rice milling vessel ;
Lid means for closing the top of the rice milling vessel ;
An outer container surrounding the periphery of the rice milling container,
In the outer container, there is formed a bag receiving portion that surrounds the bag discharge portion with a gap between the bag discharge portion and has a suction opening that communicates with the bag storage chamber and the bag suction device from the gap. A stirring rice milling machine,
The soot receiving portion is provided with the suction opening in the bottom wall of the soot receiving portion, and an air inlet opening in a range including the vicinity of the upper end of the soot receiving portion is provided in the vicinity of the suction opening. And
A stirrer-type rice mill configured to allow air entered from the air inlet to flow through the gap between the straw discharge part and the straw receiving part toward the suction opening at a short distance . The stirring type rice mill according to claim 1, wherein the air inflow port is provided so as to extend vertically on a side wall of the rice bran receiving portion. The stirring type rice mill according to claim 1, wherein the air inflow port is provided at a position higher than a hole of the straw discharger. The lid means or / and the rice milling container are provided with a second air inlet that allows air to flow toward the suction opening via the inside of the rice milling container, the rice bran discharge part, and the rice bran receiving part. Item 4. A stirrer-type rice mill according to any one of items 1 to 3.

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