JP2007029906A - Rice cleaning apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To take out rice bran of a uniform quality in an automatic rice cleaning apparatus. <P>SOLUTION: In the automatic rice cleaning apparatus provided with a rice cleaning machine (10) cleaning raw uncleaned rice, a changing over means (16) changing over polished rice taken out from the rice cleaning machine (10) to a machine-outside-taking-out-side or the storage side of a charge tank (18) and polishing rice after returning the stored polishing rice in the charge tank (18) to the rice cleaning machine (10), since rice bran generated at the time of polishing unpolished rice and rice bran generated at the time of polishing cleaned rice are separately taken out to rice bran housing means (55a, 55b), thereby rice bran generated at the time of polishing unpolished rice and rice bran generated at the time of polishing cleaned rice being taken out to different containers, the quality of rice bran is unified. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a rice milling facility with a rice polishing function capable of rice polishing and rice polishing.

Patent Document 1 describes a rice milling facility with a rice polishing function capable of rice polishing and rice polishing.
Japanese Patent Laid-Open No. 2005-21752

The automatic rice milling apparatus according to the prior art has a configuration in which the rice bran generated in the rice milling work taken out from the rice milling machine and the rice bran produced in the rice milling work are collected together in a single container. Therefore, it is taken out in a state where a normal rice bran for rice milling and a rice bran mixed with rice flour for rice polishing are mixed. Accordingly, rice bran mixed with rice flour has a problem that the quality is lowered for pickles and fertilizers. In view of this, the present invention intends to eliminate such problems by separately taking out the normal rice bran for rice milling and the rice bran mixed with rice flour for rice polishing.

  The invention of claim 1 is a rice milling facility having equipment capable of performing a rice milling process for milling raw brown rice and a rice milling process for polishing rice milled in the rice milling process. The rice milling facility is characterized in that the rice bran and the rice bran generated during the polishing process are accommodated in different rice bran accommodation means (T) (R).

  According to the above configuration, in the rice milling facility, the brown rice is first polished in the milling process, and then the polished rice that has been polished in the milling process is polished in the polishing process and taken out of the machine. At this time, the rice bran generated during the rice milling process is taken out into one rice bran containing means (T), and the rice bran produced during the rice polishing process is taken out into the other rice bran containing means (R).

  According to the invention of claim 2, the operation room (1) and the machine room (2) are provided in the rice milling facility so that the rice bran storage means T for storing the rice bran generated during the rice milling process can take out the rice bran from the operation room (1). The rice milling facility according to claim 1, wherein the rice milling facility is configured as follows.

According to this configuration, in addition to the operation of the first aspect of the invention, the user takes out the cocoon generated during the rice milling process from the cocoon storage means (T) from the operation room (1).
The invention of claim 3 comprises a rice milling machine (10) for whitening the raw brown rice, and the milled rice taken out by the rice milling process in the rice milling machine (10) is removed from the outboard side and the charge tank (18). A switching means (16) for switching to the storage side is provided, and the automatic milling apparatus is configured to perform the polishing process by returning the stored milled rice in the charge tank (18) to the rice mill (10), and is generated during the milling process. A rice bran fan (53) for transferring the rice bran and the rice bran generated during the polishing process is provided, and the rice bran generated during the rice milling process is transferred to the rice bran containing means (T) in a subsequent process of the rice bran fan (53). The rice milling facility according to claim 1, characterized in that the rice bran generated during the polishing process is switched by the rice bran switching means (54) so as to be transferred to the rice bran accommodation means (R).

  According to the said structure, in addition to the said effect | action of invention of Claim 1, when brown rice is refined by the rice milling process by the rice milling machine (10), it is temporarily stored by the charge tank 18, and then the rice milling machine (10 The milled rice stored in (1) is supplied again, undergoes a polishing process and is taken out of the machine. At this time, the rice bran generated during the rice milling process is transferred to the rice bran accommodating means (R) by the rice bran fan (53), and when the rice milling process is completed, the rice bran switching means (54) is switched, so It is transferred to (T).

According to the first aspect of the present invention, since the rice bran generated during the rice milling process and the rice bran produced during the rice polishing process are taken out into different rice bran accommodation means (R) (T), the quality of the rice bran can be made uniform.
In the invention of claim 2, in addition to the effect of the invention of claim 1, the user in the operation room (1) can take out the rice cake generated during the rice milling process from the rice bran containing means (55a), Convenience can be improved.

In addition to the above-mentioned effect of the invention of claim 1, the invention of claim 3 can carry out the rice milling process and the rice polishing process by the rice milling machine (10), and a single rice bran fan (53) Since the soot generated during the process and the soot generated during the polishing process can be accommodated in different soot storage means (R) (T), the apparatus can be simplified.

An embodiment of the present invention will be described with reference to the drawings.
First, the overall structure of the rice milling facility will be described with reference to FIGS. 1 is a plan view of an automatic rice milling apparatus, FIG. 2 is a side view thereof, FIG. 3 is a process diagram thereof, and FIG. 4 is a front view of an operation panel.

  In the rice milling facility, the operation room 1 side and the machine room 2 side are partitioned by a partition wall 3 in the building H, and on the machine room 2 side, there are a feeding hopper 4, a lifting machine 5 for a stone removing machine, a stone removing machine 6, and a foreign substance removing device. 7, a rice milling machine elevator 8, a rice milling tank 9, a rice milling machine 10, a white rice tank 11, etc. are arranged. The operation room 1 is provided with an operation panel 14 that can be operated from the operation room 1 side.

  A rotary valve 12 as a grain feeding means is provided at the lower part of the charging hopper 4 so as to feed the raw brown rice of the charging hopper 4. The feed-out side of the rotary valve 12 is connected to the lower hopper 8a of the lifting machine 5 for the stone remover, and the upper discharge port of the lifting machine 5 for the stone remover faces the inlet of the stone removing machine 6 and is loaded into the stone removing machine 6. It is the structure which sorts and removes the foreign material with comparatively high specific gravity, such as the stone contained in the raw material brown rice.

  The foreign matter removing device 7 swings a sorting frame that is appropriately tilted by stretching a sieve screen, and separates and sorts foreign matter having a low specific gravity, such as sawdust contained in the input grain, from the lower side of the slope. The discharge port of the stone remover 6 faces the input side of the foreign matter removing device 7 and the discharge port of the foreign matter remover 7 faces the lower hopper of the lifting machine 8 for the rice milling machine. The upper discharge port of the rice mill lifting machine 8 communicates with the rice milling tank 9 and supplies grains such as brown rice supplied to the rice milling tank 9 to the lower rice milling machine 10.

  The rice milling machine 10 has a conventionally known configuration and is configured to peel and remove surface cocoons such as brown rice that are sequentially supplied by rotating a cerealing spiral and a milling roll that are integrally configured in the milling cylinder. A compression plate (not shown) is provided at the outlet of the rice mill 10 so that the whitening pressure can be adjusted and adjusted, and the whitening degree can be changed and set in several stages.

  A guide chute 15 is connected to the discharge port of the rice mill 10 so that the polished rice discharged from the rice mill 10 is guided to the white rice tank 11. An opening / closing valve 16 is provided at the bottom of the middle portion of the guide chute 15 so that when the opening / closing valve 16 is erected, the falling white rice is blocked and discharged downward from the bottom opening (not shown). The circulation guide chute 17 faces the bottom opening (not shown), and the lower end side of the circulation guide chute 17 faces the charge tank 18.

  A rotary valve 19 is disposed below the charge tank 18, the rotary valve 19 is rotated by a valve motor 21, and white rice is fed to the lower part of the rice mill lifting machine 8, and cerealed by the rice mill lifting machine 8 to the rice mill 10. It is configured to supply a reduced amount. With such a configuration, the milled rice once passed through the milling machine 10 waits until the first milling process of the received brown rice is completed by the charge tank 18, and the lifting machine 8 for the milling machine 8 again from the charge tank 18. Returning to circulate, the rice cake attached to the surface of the white rice during the whitening operation of the rice mill 10 can be separated and removed. In addition, a rice polishing apparatus (not shown) may be arranged in a subsequent process of the rice milling machine 10 so that the polished rice of the rice milling machine 10 is polished.

  The partition wall 3 is provided with an operation panel 14 so that it can be operated from the operation chamber 1. As shown in FIG. 4, a coin insertion slot 32, a bill insertion slot 33, a rice polishing switch 34 for selecting a “ken rice (non-washed rice) course”, and a “rice milling” that is not subjected to rice polishing processing are provided on the operation panel 14. A whiteness selection switch (upper white) 35, a whiteness selection switch (standard) 36, a whiteness selection switch (8 minutes) 37, etc. are provided for selecting a “course”. The operation panel 14 includes a control unit 38 built in the microphone computer for controlling the drive output of various drive motors.

  As shown in FIG. 5, on the input side of the control unit 38 built in the microcomputer, a coin sensor 39, bill detecting means 40, whiteness selection switch (upper white) 35, whiteness selection switch (standard) 36, white A degree selection switch (8 minutes) 37, a polished rice switch 34, and a whiteness sensor 50 are connected, and setting information of various switches and detection information of sensors are inputted.

  Further, on the output side of the control unit 38, a rotary valve drive motor 41, a lifting machine driving motor 42 for a stone cutter, a lifting machine driving motor 43 for a rice milling machine, a stone cutter driving motor 44, a rice mill driving motor 45, a foreign matter removing device. The drive motor 46, the charge tank rotary valve drive motor 21, the on-off valve switching solenoid 47, etc. are connected to each other, and various drive commands are output.

Rice milling operation control is executed as follows.
In automatic rice milling, a rice milling time corresponding to the supply amount of brown rice is determined in advance by a timer, and the rice milling operation is sequentially executed over a set time corresponding to the amount of coins (or bills) inserted. If it is a milling course that only mills brown rice, a coin corresponding to the amount of brown rice input is inserted into the coin insertion slot 32, brown rice is inserted into the insertion hopper 4, whiteness selection switch (upper white) 35, whiteness selection When one of the switch (standard) 36 and the whiteness selection switch (8 minutes) 37 is selected, the rice milling operation is started.

  Then, the raw brown rice is fed out from the feeding hopper 4 by the rotary valve 12 and supplied to the stone removing machine 6 through the lifting machine 5 for the stone remover. The stone removing machine 6 separates and sorts foreign substances such as stone from the brown rice. Next, the sorted brown rice is supplied to the foreign matter removing device 7 and the swarf is supplemented and separated on a rough mesh surface. The sorted brown rice is supplied to the rice mill 10 via the rice mill lift 8 and the rice mill tank 9 and adjusted to the set whiteness. A whitening process, that is, a rice milling process, is performed by the resistance action of the compression plate (not shown), and is taken out to the whitening tank 11 through the on-off valve 16.

  In the case of the rice milling process and the polished rice (non-washed rice) process, the raw rice brown rice is put into the charging hopper 4 and the rice polishing switch 34 is pressed to start the polishing process, and the rotary valve drive motor 41, stone removal The machine elevator drive motor 42, the stone remover 6, the rice mill 10 and the like are driven to rotate. At this time, the compression plate (not shown) of the rice mill 10 is automatically set to the upper white setting state.

  The raw brown rice is fed from the feeding hopper 4 by the rotary valve 12 and supplied to the stone removing machine 6 through the lifting machine 5 for the stone remover. The stone removing machine 6 separates and sorts foreign substances such as stone from the brown rice. Next, the sorted brown rice is supplemented and separated with light swarf by the foreign substance removing device 7, and the sorted brown rice is supplied to the rice mill 10 through the rice mill lift 8 and the rice mill tank 9, and is a compression plate (shown in the figure). The whitening process is performed by the resistance action (not shown) and is temporarily stored in the charge tank 18 via the on-off valve 16. When the whitening work in the receiving brown rice mill 10 is completed, the on-off valve 16 is switched to the whitening tank 11 side by the on-off valve switching solenoid 47 and the stored white rice in the charge tank 18 is taken out by the charge tank rotary valve drive motor 21. Then, it is supplied again to the rice milling machine 10 through the rice milling machine elevator 8, and the rice milling process, that is, the rice polishing process is performed by the rice milling machine 10 to remove surface wrinkles and the like, and it is taken out to the whitening tank 11.

  Next, the rice polishing process in the case where brown rice exceeding the storage limit amount of the charge tank 18 is thrown into the throwing hopper 4 will be described. For example, when the storage amount of the charge tank 18 is set to expire in 3 unit prices with 100 yen as a unit price, for example, when the brown rice for 5 unit prices is thrown in, this is the rice milling and polishing rice processing method.

  First, when the grind switch 34 is pressed, various drive motors are activated and various devices are driven, and the raw brown rice is fed out from the feeding hopper 4 by the rotary valve 12 to remove the lifting machine 5 for the stone remover, the stone remover 6, and foreign matter removal. It is sent to the rice mill 10 through the apparatus 7, the rice mill lifting machine 8, and the rice mill tank 9 to be polished, and the polished white rice is temporarily stored in the charge tank 18 through the on-off valve 16. Next, the drive of the rotary valve 12, the stone remover elevator 5, the stone remover 6, the foreign matter removing device 7 and the rice mill elevator 8 is stopped, and the white rice temporarily stored in the charge tank 18 is continuously driven thereafter. Is supplied again to the rice milling machine 10, polished, and taken out to the milling tank 11.

  Thereafter, the drive of the rotary valve 12, the stone lifter 5, the stone remover 6, the foreign substance removing device 7 and the rice mill lift 8 is resumed, and the remaining raw brown rice is supplied to the rice mill 10 and polished. White rice is temporarily stored in the charge tank 18 via the on-off valve 16. When the rice milling operation for the remaining two unit prices is completed in the rice mill 10, the milled rice stored in the charge tank 18 is supplied again to the rice mill 10, polished, and taken out to the milling tank 11 through the opening / closing valve 16. .

  In the case of polishing (non-washed rice) processing, the processing amount of one time is regulated by the amount stored in the charge tank 18, but by performing the processing as described above, continuous processing of the rice milling machine 10 becomes possible. There is no need for so-called initial circulating rice milling, and the overall operation time can be shortened.

  Moreover, you may process as follows in carrying out a polishing rice (washless rice) process. That is, not only the polished rice that circulates the milled rice twice in the milling machine 10, but also the polished rice that is circulated three times (or more) can be selected. When the rice is polished and the polishing switch 34 is pressed twice, the structure is such that the rice is circulated three times. Further, during the third circulation, the milling pressure of the rice mill 10 is reduced so that the milling and white rice cooling are mainly performed. According to the said structure, at the time of the 3rd cyclic | annular grinding, cooling and the removal of a koji are aimed at, and the fall of the taste by a cereal temperature rise can be avoided.

  Moreover, you may comprise as follows. In an automatic rice milling apparatus with a polishing rice (non-washing rice) function equipped with a charge tank 18, flow path switching means (not shown) is provided in the subsequent process of the rice milling machine 10, and the whitening tank 11 and the charge tank 18 on the polishing process side are provided. The flow path switching means (not shown) can be operated from the operation chamber 1 side. Then, after the whiteness selection switches 35, 36, and 37 are pressed to select the rice milling operation and start the rice milling operation, when the flow path switching means 64 is switched to the charge tank 18 side of the rice polishing (washless rice) side, The process to which the rice process is added is started, and the convenience for the user can be improved.

Next, a configuration for taking out rice cake from the rice mill 10 will be described.
The rice bran peeled off from the brown rice by the milling operation or the rice polishing operation of the rice mill 10 is dropped and discharged from the rice mill 10 into the rice bran box 52. The taken out soot is dropped from the cyclone 55a on the operation chamber 1 side by the soot fan 53 via the soot switching device 54 and the soot conveying path 80 and stored in the soot taking out chamber T, or the soot switching device 54 and It is configured that the operator can select whether to be sent to the cyclone 55b on the machine room 2 side via the culm transport path 81 and stored in the culm storage container 58a for the rice milling process of the culm storage container R. Note that a door 82 that opens and closes is provided on the side of the operation chamber 1 of the bag storage container R so that an operator can take out the bag from the operation chamber side.

  When the milling switch 34 is operated and the milling machine 10 performs the milling process and the milling (non-washed rice) process, the paddle switching device 54 accommodates the paddy on the machine room 1 side according to a control command from the control unit 38. It is switched to the container R side, and the soot is taken out from the cyclone 55b. In addition, when switching the rice bran switching device 54, it may be configured to switch when the rice milling work of the rice milling machine 10 is completed.

When the whiteness selection switches 35, 36, and 37 are operated and only the rice milling work is performed by the rice milling machine 10, according to a control command from the control unit 38, the rice bran switching device 5 is operated.
4 is switched to the cyclone 55a side on the operation chamber 1 side so that the soot is taken out to the soot take-out chamber T of the operation chamber 1.

If a single koji take-out container is provided on the operation chamber 1 side, koji mixed with rice flour is taken out from the koji that is taken out during the polishing (non-washed rice) process. Since rice flour cannot be used for pickles or fertilizers, when the user takes home rice bran, measures should be taken to stop the extraction of rice flour so that rice flour generated in the milled rice (washless rice) process does not mix. Is required.

  By adopting the above-described configuration, only the rice during the milling process is taken out into the rice taking-out chamber T on the operation room 1 side, and the rice flour generated during the polishing (non-washed rice) process is prevented from being mixed. Can be made uniform and enhanced.

The configuration of the bag storage container on the machine room 2 side will be described in detail.
The rice cake dropped from the rice milling machine 10 to the rice cake box 52 is sent to the cyclone 55a by the rice cake fan 53, and a rice cake switching valve 56 is provided at the lower outlet of the cyclone 55a. 58a and the rice bran container 58b for the rice polishing process are configured so that the rice cake can be taken out separately.

When the whiteness selection switches 35, 36, and 37 are operated, the rice cake switching valve 56 is switched to the rice milling process vessel container 58a side in accordance with a control command from the control unit 38, and the normal rice cake is taken out into the rice bag 58a. At the time of the operation of the rice polishing switch 34, the bag switching valve 56 is switched to the 58b side by a control command from the control unit 38 and is taken out.

According to the above configuration, the single cyclone 55 can be used to take out the normal rice cake and rice flour mixed rice cake separately, can make the rice cake uniform and improve the quality, and can be made into a single cyclone to save space. And cost reduction can be aimed at.
In addition, after the rice bran generated in the first rice milling process is accommodated in the rice milling container 58a for the rice polishing process when the rice polishing switch is operated, the rice bran switching valve 56 is switched to remove the rice bran generated in the subsequent rice polishing process. It is good also as the process accommodated in the process container storage container 58b.

Next, the cooling configuration of the charge tank 18 will be described with reference to FIGS.
The lower end side of the circulation guide chute 17 is connected to the upper part of the charge tank 18, and a net (not shown) is stretched on the upper part of the charge tank 18 so that outside air can flow in, and the suction of the cooling fan 61 The portion 61a is communicated with one side of the lower flow side plate of the charge tank 18, the exhaust air portion 61b of the cooling fan 61 is communicated with the upper portion of the charge tank 18, and the cooling air is circulated while taking outside air into the charge tank 18. It is composed.

Then, when the stored white rice in the charge tank 18 is discharged by driving the rotary valve 19 for circulation, the rotary valve 19 corresponds to the white rice storage amount for one unit price (100 yen) or three unit prices (300 yen). And the stored white rice is supplied from the charge tank 18 to the rice mill 10, whereas the driving time of the cooling fan 61 is earlier than the end time of the rotary valve 19, for example, It is configured to stop when about half of the drive time of the rotary valve 19 has elapsed.

For example, as shown in FIG. 9 (A), when the cooling fan 61 is stopped immediately before the rotary valve 19 is driven, the cooling fan 61 is turned on when the white rice in the charge tank 18 is substantially discharged. As a result, the white rice that has been gradually flowing down the lower inclined side surface of the charge tank 18 may be stagnated by the suction air of the cooling fan 61 and a so-called bridge phenomenon may occur. However, FIG. 9 (B) or (C)
As shown in FIG. 5, such a problem can be solved by stopping the cooling fan 61 earlier than the time when the rotary valve 19 is driven.

Moreover, you may comprise as shown next. That is, a white rice sensor 63 is provided in the charge tank 18 in the vicinity of the suction portion 61a of the cooling fan 61. When the white rice sensor 63 detects the absence of white rice, the cooling fan 61 is stopped.
Thus, the bridging phenomenon of white rice can be avoided as in the above embodiment.

  Further, as shown in FIG. 11, in the automatic rice milling apparatus with a polished rice (non-washed rice) function equipped with a charge tank 18, a white rice hopper 62 dedicated to white rice is provided in the operation chamber 1, and the polished white rice is used as a white rice hopper. It may be configured so that it can be fed to 62 and polished. That is, a white rice hopper 62 dedicated to white rice charging is provided in the vicinity of the charge tank 18 in the machine room 2. The white rice hopper 62 has a capacity of, for example, 30 kg, which is the same as the capacity of the charge tank 18, and the white rice hopper 62 is provided with a door 62a that can be opened and closed. Supply.

  Then, when the milling fee is inserted from the coin insertion slot 32 and the milling switch 34 is pressed, the rice milling machine elevator 8, the rice milling machine 10, and the rotary rotary valve 19 necessary for the rice milling operation are driven. Then, the bottom of the white rice hopper 62 is opened, and the white rice is sent to the rice mill 10 through the charge tank 18 and polished, and when the rice polishing operation is completed, it is taken out into the whitening tank 11. According to the said structure, the polished rice can be polished only in a short time, and a user's convenience can be improved.

Next, the configuration of the operation panel 14 will be described.
The operation panel 14 is provided with a polished rice lamp 66 and a polished rice lamp 67 on the upper side, and provided with a raising adjustment switch 68 and a lowering adjustment switch 69 on the lower side. And the selection display part 71 is arrange | positioned in the lowest stage. In this selection display portion 71, the left side is a polished rice (non-washed rice) course display portion 71a so that the degree of polishing gradually decreases from the left side to the right side, and the right rice milling course display portion 71b increases from the left side to the right side. White, standard, 8 minutes, and 5 minutes of rice classification are displayed. Then, the display is made by the blinking display 72 corresponding to the selected operation content along these display categories, and the blinking display 72 is a polished rice (non-washed rice) course and a polished rice course at the initial stage of the operation. When the raising adjustment switch 68 is pressed, the selection operation is performed so that the degree of polishing increases sequentially.
In addition, when the lowering adjustment switch 69 is pressed, the milled rice is selected so that the degree of milling decreases sequentially.
The blinking display 72 is moved to these polished rice selection and polished rice selection portions, and the selection operation contents are displayed while blinking.

By setting it as the said structure, a more precise whitening degree can be set.
Further, in the automatic rice milling apparatus, a terminal 73 (shown in FIG. 4) that can be connected to a user's mobile phone may be provided on the operation room 1 side. Then, the user's mobile phone is connected to terminal 7
When connected to 3, the execution process of the rice polishing process and the rice polishing process is displayed on the screen of the mobile phone.
In addition, the whiteness display of the rice milling process, the polishing temperature and the remaining operation time are displayed. If comprised in this way, the user can grasp | ascertain the information of a processing process and can perform a rice milling or rice polishing operation | work in peace.

When the user's mobile phone is connected to the terminal 73, the operation time and parts replacement time of various devices such as the rice milling machine 10 in the automatic rice milling device are displayed on the screen of the mobile phone. In addition, it may be configured to display the unit price and the number of times of using the research rice, the display of the failure location of various devices, the input state of the sensors, and the like. By comprising in this way, required information can be acquired, aiming at cost reduction, without providing a display screen in the operation panel 14 of an automatic rice milling apparatus, and improvement of maintainability can be aimed at.

A plan view of a rice milling facility. A side view of a rice milling facility. Process diagram of rice milling facility. The front view of an operation panel. Control block diagram. Blinking display The figure which shows the bag storage container R by the side of a machine room The figure which shows a part of the rice milling facility seen from the front Time chart.

Explanation of symbols

1 Operation room 2 Machine room 3 Partition wall 10 Rice mill 18 Charge tank 53 糠 Fan 54 糠 Switching device 55a Cyclone 55b Cyclone R 糠 Accommodating means (cyclone, bag)
T bag storage means (bag)

Claims (3)

In a rice milling facility having facilities capable of performing a rice milling process for whitening raw brown rice and a rice polishing process for polishing rice milled in the rice milling process, the rice bran generated during the rice milling process and the rice polishing process A rice milling facility characterized in that the rice cake generated at times is stored in different rice cake storage means (T) (R). An operation room (1) and a machine room (2) are provided in the rice milling facility, and the rice bran storage means (T) for containing the rice bran generated during the rice milling process is configured so that the rice bran can be taken out from the operation room (1). The rice milling facility according to claim 1, which is characterized by the following. A switching means comprising a rice mill (10) for whitening raw brown rice, and switching the milled rice taken out by the rice milling process in the rice mill (10) to the outside take-out side and the storage side of the charge tank (18) (16), comprising an automatic rice milling apparatus that performs the rice polishing process by returning the stored polished rice in the charge tank (18) to the rice mill (10), and the rice bran generated during the rice milling process and the rice polishing process A rice bran fan (53) for transferring the rice bran generated at the time is provided, and in the subsequent process of the rice bran fan (53), the rice bran produced during the rice milling process is transferred to the rice bran containing means (T) and generated during the rice polishing process. The rice milling facility according to claim 1, characterized in that the rice bran switching means (54) is adapted to transfer the rice bran to the rice bran accommodation means (R).

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