JP2000354774A - Rice grain storehouse - Google Patents

Abstract

PROBLEM TO BE SOLVED: To store desired rice grains and furthermore, to optionally feed the stored rice grains by a desired quantity so that the function of other treating devices such as an automatic rice cleaning device can be complemented. SOLUTION: A storehouse 10B is provided with tanks 64, 66, measuring shutters 78, 80, a receiving hopper 82, a load cell 84, a blower 92, and so on. The tanks 64, 66 can store unhulled rice or unpolished rice, and furthermore, after the desired rice grains of the stored unhulled rice or unpolished rice are measured by the load cell 84 and the measuring shutters 78, 80, they are fed to other treating devices (such as a coin type automatic rice cleaning device) through the blower 92 and a conveying pipe 94.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice grain storage for storing rice grains such as paddy rice and brown rice and supplying the stored rice grains to another processing apparatus.

[0002]

2. Description of the Related Art Among rice milling apparatuses, there is known an automatic rice milling apparatus that operates according to coins or prepaid cards and processes rice grains (paddy or brown rice) put into a supply hopper into white rice.

[0003] In such a conventional automatic rice milling machine, a huller and a rice mill are arranged inside the machine body, and the milling machine is connected to the huller through a destoner. On the other hand, a supply hopper into which rice grains are put is disposed on a front wall of the fuselage. The supply hopper is provided with a screw conveyor for transporting rice grains, and can transport the introduced rice grains into the machine body. Further, the supply hopper (screw conveyor) is connected to the elevator inside the body.
A switching valve is provided at the rice grain transport outlet of the elevator.
This switching valve is operated by selecting whether the rice grain to be processed is paddy or brown rice, and the rice grain transported by the elevator is used as a huller or destoner (that is, a rice mill).
Can be supplied to any of the above.

Further, a coin insertion portion and a card insertion portion are provided on a front wall of the body, so that coins can be inserted and a card can be inserted. When the driving switch is operated after inserting a coin or inserting a prepaid card, the automatic rice milling device operates according to the inserted coin or the inserted prepaid card.

When using this automatic rice milling machine, rice grains are put into a supply hopper, coins are inserted or a prepaid card is inserted, and then a grain selection button is selected to perform processing (supply). Select whether the rice grain (put into the hopper) is paddy or brown rice. Further, when the operation switch is operated, the input rice grains are conveyed into the body by the screw conveyor of the supply hopper and supplied to the elevator. In the lifting machine, the switching valve is switched according to the type of rice grain selected (paddy or brown rice). In the case of paddy, the rice is supplied to the rice hulling machine as it is and the rice is hulled. The rice is sent and processed by a rice mill to produce white rice and is taken out. On the other hand, when the rice grains to be processed (put into the supply hopper) are brown rice, the rice grains are not directly supplied from the elevating machine to the huller, but are directly supplied to the rice milling machine through the destoning machine, and are similarly polished and processed. It is taken out as.

[0006] As described above, the conventional automatic rice milling apparatus can automatically mill rice paddy or brown rice into white rice.

By the way, in such an automatic rice milling apparatus capable of automatically milling rice or brown rice to produce white rice, as described above, a user brings in rice grains (rice or brown rice) and puts the brought-in rice grains into a supply hopper. Although rice milling is being carried out, it is inconvenient for such users to bring in rice grains for rice milling in this way, and some users request that they purchase the desired white rice directly on the spot. . Also, some users do not want to obtain white rice with such an automatic rice milling machine, but want to purchase rice in a state of paddy or brown rice.

However, this type of conventional automatic rice milling apparatus does not have a structure in which paddy and brown rice are stored in advance, and thus cannot meet the different needs of individual users as described above.

[0009]

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above circumstances, and has been made in consideration of the above circumstances so that other processing apparatuses such as an automatic rice milling apparatus can respectively respond to different needs of individual users. It is an object of the present invention to provide a rice grain storage that can be applied to complement functions and store desired rice grains and can supply a desired amount of the stored rice grains arbitrarily.

[0010]

According to a first aspect of the present invention, there is provided a rice grain storage, comprising: a tank for storing rice grains therein; and a sticking hopper disposed beside the tank and into which rice grains are thrown in from outside. A lifting / lowering device which is provided in connection with the filling hopper and the tank, and which feeds and transports the rice grains in the filling hopper into the tank, and which is provided at an opening at the lower end of the tank; A metering shutter that supplies rice grains downward and a receiving hopper that is disposed immediately below the metering shutter and includes a screw conveyor for transporting rice grains and a load cell for detecting the amount of rice grains, and receiving the rice grains in the tank via the measuring shutter; The screw conveyor is independently erected as a building, and the screw conveyor is blown and transported to another processing device erected as a separate building. Are connected via a flop of rice grains stored in the tank, it is characterized in that the specified amount of those specified can be supplied to the other processor.

The rice grain storage according to the first aspect of the present invention is used, for example, in conjunction with an automatic rice milling apparatus that operates according to coins or prepaid cards and processes the inserted rice grains (rice or brown rice) into white rice.

Here, in the rice grain storage, the rice grains stuck in the sticking hopper are conveyed and supplied into the tank by an elevator, and are temporarily stored in the tank. When supplying rice grains to the automatic rice milling machine, the metering shutter of the tank storing the designated rice grains is opened, and the rice grains are dropped and supplied to the receiving hopper. In the receiving hopper, specified rice grains dropped and supplied are weighed by a load cell in a specified amount. When the specified amount is reached, the metering shutter is closed. Further, the rice grains in the receiving hopper are transported to by a screw conveyor,
It is sent to an automatic rice mill through a blower and a transport pipe.

Therefore, even if another processing device such as an automatic rice milling device does not have a structure for storing paddy and brown rice in advance (even if it does not have the function), such other processing device can be used. The function of the device can be complemented, and as a result, it can respond to the different needs of individual users.

As described above, in the rice grain storage according to the first aspect, the functions of such another processing apparatus are provided so that another processing apparatus such as an automatic rice milling apparatus can respond to different needs of individual users. To complement, desired rice grains can be stored and arbitrarily supplied to other processing equipment such as an automatic rice milling machine.

[0015]

FIG. 1 is an overall front view of an automatic rice mill 10 to which a storage 10B as a rice grain storage according to a first embodiment of the present invention is applied.

The automatic rice mill 10 includes a rice mill 10A and a storage 10B. Here, FIG. 2 shows a schematic overall configuration diagram of the rice processing unit 10A. The rice polishing unit 10A is divided into a machine room 12A and an operation room 12B with a front wall 13 of the machine body 12 as a boundary. The operation room 12B is provided with a supply hopper 14 into which rice grains (paddy M or brown rice G) are charged. A screw conveyor 15 for transporting rice grains is built in the bottom of the supply hopper 14, and the rice grains fed into the supply hopper 14 can be transported to the machine room 12 </ b> A of the machine body 12.

The terminal end of the screw conveyor 15 in the rice grain transport direction is connected to the elevator 1 disposed in the machine room 12A of the machine body 12.
6. The elevator 16 can lift and transport the rice grains supplied to the supply hopper 14 and supplied by the screw conveyor 15 to the upper portion of the machine body 12. A switching valve 44 is provided at a discharge port of the elevator 16.

A hulling machine 18 is disposed on the side of the elevator 16 inside the machine body 12 as a sliding part. Huller 18
Is of a roll type having a pair of rubber roll mechanisms, and is capable of removing rice grains (paddy M). The escape unit may be of another type, for example, an impact-type centrifugal escaper equipped with high-speed rotating blades.

A stone removing machine 20 is arranged beside the hulling machine 18 and corresponds to the discharge port 18A of the hulling machine 18. For this reason, the brown rice G after passing through the huller 18 is supplied to the destoner 20.

The huller 18 and the destoner 2
0 is an elevator 16 independently by an appropriate gutter or the like.
The switching valve 44 is operated to switch, whereby the rice grains are supplied directly from the elevator 16.

A rice mill 22 is disposed on the side (below in FIG. 2) of the elevator 16 in the machine room 12A.
Brown rice G that has passed through the destoner 20 is supplied. The rice mill 22 is of a vertical cylindrical friction type equipped with a whitening roll, and is capable of milling brown rice G. The rice mill 22 may be of another type, for example, a horizontal cylindrical type.

A rice bran collecting machine 24 is arranged on the side of the rice mill 22 to collect rice bran generated during rice polishing and to collect the rice bran.
5 can be integrated.

An accumulation tank 26 is disposed in the operation room 12B of the machine body 12 corresponding to the discharge port 22A of the rice mill 22 so that the white rice H after the rice polishing can be accumulated in the bag 27.

On the other hand, a storage 10B is provided beside the rice processing section 10A having the above configuration. Here, FIG.
FIG. 4 shows a schematic side view of the configuration of the storage 10B, and FIG. 4 shows a configuration of the storage 10B in a schematic plan view.

The storage 10B is provided with a pair of left and right tanks 64 and 66. Each tank 64,
Each of 66 is provided in a funnel shape, and can store rice grains (paddy M or brown rice G) inside. Also,
A flapper hopper 68 is arranged on the side of these tanks 64 and 66. Rice grains can be put into the stuffing hopper 68 from the outside and stuffed. An elevator 70 is provided upright on the side of the sticking hopper 68, and can lift and transport the rice grains in the sticking hopper 68.

An upper screw conveyor 72 is provided near the upper end of the elevator 70. The upper screw conveyor 72 extends to the upper ends of the tanks 64 and 66, and can further transport the rice grains lifted and transported by the elevator 70 to the upper portions of the tanks 64 and 66. Further, an outlet 74 is formed at the lower end of the upper screw conveyor 72, and an on-off valve 76 is provided at an intermediate lower portion. By operating the on-off valve 76, the rice grains conveyed by the upper screw conveyor 72 can be fed out to either the tank 64 or the tank 66. For example, if the open / close valve 76 is set to the “open” state, the rice grains conveyed by the upper screw conveyor 72 can be fed to one tank 64, and the open / close valve 76 is closed.
In this state, rice grains conveyed by the upper screw conveyor 72 can be fed to the other tank 66.

On the other hand, metering shutters 78 and 80 are provided at the lower end openings of the tanks 64 and 66, respectively, and the rice grains in the tanks 64 and 66 can be dropped and supplied downward by opening and closing. Metering shutter 78, 8
Receiving hoppers 82 are disposed directly below the respective 0s, and can receive rice grains dropped and supplied from the measuring shutters 78 and 80. At the bottom of the receiving hopper 82, a load cell 84 for measuring rice grains and a screw conveyor 86 for transporting rice grains are incorporated. This load cell 84 can detect the amount of rice grains received by the receiving hopper 82 (in other words, the opening and closing timing of the measuring shutters 78 and 80). In addition, the screw conveyor 86
Can transport the received rice grains to the ejector 88.

A blower 92 is connected to the ejector 88 via a pipe 90, so that the rice grains conveyed by the screw conveyor 86 can be sent out by high-pressure air sent from the blower 92. Further, a transport pipe 94 is connected to the ejector 88. The other end of the transport pipe 94 is connected to the supply hopper 14 of the rice milling section 10A described above. That is, the ejector 8
The rice grains sent out by 8 are fed into the supply hopper 14 of the milling unit 10A via the transport pipe 94.

The coin insertion slot 30 is provided with an insertion slot 34 opened in the operation panel 28, and can insert a predetermined coin (for example, a 100 yen coin). On the other hand, in the card insertion section 32, an insertion port 35 opened in the operation panel 28 is provided.
And a predetermined card (for example, a so-called closed-type prepaid card) can be inserted.

The operation panel 28 on the side of the coin insertion slot 30 is provided with various selection buttons set for each course, and two driving courses (to be described later in detail). A separate selection button is provided.

The A course as the first processing course is referred to as the "rice purchase / milling course", in which white rice H can be obtained on the spot, while the B course as the second processing course Is a "carry-in rice / milling course", which is a course for bringing in paddy M or brown rice G and processing them.

In the course A (rice purchase / milling course), a brand designation button 96 and a quantity designation button 98 are provided, and an operation start button 100 is further provided. In the B course (brought-in rice / polished rice course), a type selection button 102 and a whiteness selection button 104 are provided.

Each of the driving units and the selection buttons having the above-described configuration is connected to the control device 50. Here, FIG. 6 shows a schematic configuration of the control device 50. In the control device 50, the above-mentioned brand designation button 96,
The amount designation button 98, the operation start button 100, the type selection button 102, and the whiteness selection button 104 are connected, and the coin sensor 54, the card sensor 56, and the load cell 84 of the storage 10B are connected. On the other hand, in the output interface 58, the screw conveyor 15, the lifting machine 16, the hulling machine 18, the destoning machine 20, the respective drive motors of the milling machine 22, the switching valve 44,
The whiteness setting motors 60 of the rice mill 22 are connected respectively, and the respective drive motors of the elevator 70, the upper screw conveyor 72, the on-off valve 76, the metering shutters 78 and 80, the screw conveyor 86, and the blower 92 of the storage 10B are respectively connected. It is connected. Further, the CPU 62 controls the components in accordance with a control routine program stored in advance.

Here, FIG. 7 shows a process diagram of the rice polishing operation applied to the automatic rice polishing apparatus 10 according to the first embodiment. Referring to FIG. The operation of the embodiment will be described.

When using the automatic rice milling apparatus 10 having the above configuration, the user sets the A set in the automatic rice milling apparatus 10.
Select either the course (rice purchase / milling course) or the B course (bring rice / milling course).

Here, for example, when a user brings in rice grains (rice M or brown rice G) to perform rice polishing, the user selects the B course (rice brought in / polished rice course) and performs rice polishing based on the B course. Is performed.

That is, the paddy M or brown rice G brought in
Is supplied to the supply hopper 14 (step 200). further,
Insert a coin into the slot 34 of the coin slot 30 or
The card is inserted into the card insertion section 32 (Step 202).
Next, when the type selection button 102 is operated in step 204, the switching valve 44 is switched based on the operation of the type selection button 102, that is, based on whether the rice grain to be processed is the unhulled rice M or the brown rice G. Activated. Further, in step 206, the whiteness selection button 104
Is operated, the screw conveyor 15, the elevator 16,
The respective drive motors of the huller 18, the destoner 20, and the rice mill 22 and the whiteness setting motor 23 of the rice mill 22 are operated to start the operation (step 208).

When the operation is started, the paddy M or brown rice G put into the supply hopper 14 is conveyed to the inside of the machine body by the screw conveyor 15 of the supply hopper 14.
Further, for example, if the rice grains to be processed are the paddy M, the paddy M is transported to the elevator 16
The paddy M lifted and conveyed by 6 is sent from the switching valve 44 to the hulling machine 18, and is subjected to hulling processing (dehulling processing) by the hulling machine 18 to become brown rice G, and further to the destoning machine 2.
0. On the other hand, when the rice grain to be processed is brown rice G, the brown rice G is transported to the elevator 16, and the brown rice G lifted and transported by the elevator 16 is supplied to the destoner 20 directly from the switching valve 44. You.

Further, the brown rice G that has passed through the destoner 20
Is supplied to the rice mill 22. In the rice mill 22, after the supplied brown rice G is subjected to rice polishing, the white rice H after the rice polishing is discharged to the accumulation tank 26 and accumulated in the bag 27 (step 210).

On the other hand, if the user wants to obtain a desired white rice H on the spot (without bringing in unpolished rice M or brown rice G), he selects the A course (rice purchase / rice polishing course),
Rice polishing is performed based on the A course.

In this case, the brand designation button 96 is selected and operated (step 220), and the quantity designation button 98 is selected.
Is selected and operated (step 222). Further, a coin is inserted into the insertion slot 34 of the coin insertion unit 30 or a card is inserted into the card insertion unit 32 (Step 224). Then
When the operation start button 100 is operated in step 226, the designated brand of rice grains (paddy M or brown rice G) is supplied from the storage 10B provided in the rice milling section 10A to the rice milling section 10A.

That is, in step 228, either the measuring shutter 78 or the measuring shutter 80 of the tank 64 or the tank 66 corresponding to the designated brand is opened and supplied to the receiving hopper 82 by dropping. In the receiving hopper 82, the specified amount of the dropped rice grains of the specified brand is weighed by the load cell 84 (step 230). When the specified amount is reached, the metering shutter 78 or the metering shutter 80 is closed.

Further, in step 232, the receiving hopper 8
The rice grains in 2 are conveyed to an ejector 88 by a screw conveyor 86, and are sent through a conveying pipe 94 to the rice milling section 1.
It is sent to the supply hopper 14 of 0A.

Thereafter, in the step 234, the rice polishing operation is performed in the rice processing section 10A in the same manner as described above, and the white rice H after the rice polishing is taken out (step 236).

As described above, in the automatic rice polishing apparatus 10 to which the storage 10B as the rice storage according to the first embodiment is applied, the rice grain (rice M or brown rice G) brought by the user.
Not only rice can be polished to obtain white rice H,
It is possible to respond to different needs of individual users who want to obtain desired white rice H on the spot.

Next, a second embodiment of the present invention will be described. Note that components that are basically the same as those in the first embodiment described above are given the same reference numerals as in the first embodiment, and descriptions thereof are omitted.

[0047] Automatic rice mill 11 according to the second embodiment
At 0, the operation panel 112 is arranged. As shown in FIG. 8, the operation panel 112 is provided with various selection buttons set for each course, and three driving courses (described in detail later) are set, and the selection buttons are provided for each course. I have.

The C course as the third processing course is referred to as the “rice purchase / milling course”, in which white rice can be obtained on the spot, while the D course as the fourth processing course is The “rice purchase course” is a course for purchasing desired rice grains (paddy or brown rice). The E course as the fifth processing course is referred to as a "rice bringing / milling course", and is a course for bringing in paddy or brown rice and processing it.

In the C course (rice purchase / milling course), a brand designation button 96 and a quantity designation button 98 are provided, and an operation start button 100 is further provided. In the course D (rice purchase course), a brand designation button 114 and a quantity designation button 116 are provided. Further, in the E-course (rice bring-in / mill rice course), a type selection button 102 and a whiteness selection button 104 are provided.

The configuration of the other milling units 10A and the configuration of the storage 10B are the same as those of the first embodiment.

Here, FIG. 9 shows a process diagram of the rice polishing operation applied to the automatic rice polishing apparatus 10 according to the second embodiment, and the second embodiment will be described with reference to FIG. The operation of the embodiment will be described.

When using the automatic rice milling apparatus 110 having the above configuration, a user sets a C course (rice purchase / rice milling course), a D course (rice purchase course), or an E course (rice purchase course) set in the automatic rice mill 110. (Bringing in rice / Rice milling course).

Here, for example, when a user brings in rice grains (rice paddy M or brown rice G) and performs rice polishing, the user selects the E course (rice brought in / polished rice course), and selects this E course (rice brought / polished rice). Rice milling operation is carried out based on the course).
The rice-milling operation process in the E-course (brought-in rice-milling course) is the same as the B-course (brought-in rice-milling course) in the first embodiment.

When the user wants to purchase desired rice grains on the spot in the state of the unhulled rice M or the brown rice G, the user selects the D course (rice purchase course) and selects the D course (rice purchase course). The operation is performed based on.

In this case, the brand designation button 114 is selected and operated (step 240), and the quantity designation button 1 is selected.
16 is selected and operated (step 242). Further, a coin is inserted into the insertion slot 34 of the coin insertion unit 30, or a card is inserted into the card insertion unit 32 (Step 244). As a result, the designated grain of rice (paddy M or brown rice G) is supplied to the milling unit 10A from the storage 10B attached to the milling unit 10A.

That is, in step 246, either the measuring shutter 78 or the measuring shutter 80 of the tank 64 or the tank 66 corresponding to the designated brand is opened and supplied to the receiving hopper 82 by dropping. In the receiving hopper 82, the specified amount of the rice grains dropped and supplied is measured by the load cell 84 in a specified amount (step 248). When the specified amount is reached, the metering shutter 78 or the metering shutter 80 is closed.

Further, in step 250, receiving hopper 8
The rice grains in 2 are conveyed to an ejector 88 by a screw conveyor 86, and are sent through a conveying pipe 94 to the rice milling section 1.
It is fed into the supply hopper 14 of 0A, and the specified one of the rice grains (rice M or brown rice G) is taken out in that state. The method of removing the rice grains in this case is not shown, but is configured to be directly received in a bag in the supply hopper 14. Note that the rice grains may be directly conveyed to the accumulation tank 26 and received by the bag 27.

On the other hand, if the user wants to obtain desired white rice H on the spot (without bringing in unpolished rice M or brown rice G), he selects the C course (rice purchase / rice milling course),
Rice polishing is performed based on the C course. In addition,
The rice-milling operation process in the C-course (rice purchase / milling course) is the same as the A-course (rice purchase / milling course) in the first embodiment described above, and the specified white rice H after milling is taken out. It is.

As described above, in the automatic rice milling apparatus 110 and the rice milling operation method according to the second embodiment, the rice grains (rice M or brown rice G) brought in by the user are milled to produce white rice H.
Not only can be obtained, but also different needs of individual users who want to obtain desired rice grains (white rice H or unhulled rice M or brown rice G) on the spot.

In each of the above embodiments,
Although a pair of tanks 64 and a tank 66 are provided in the storage 10B and the paddy M or the brown rice G can be stored therein, the tanks 64 and 66 may be configured to store different brands of paddy M, respectively. , Tanks 64 and 66 may store brown rice G of different brands, respectively. Further, the invention is not limited to the configuration in which the pair of tanks 64 and 66 are provided, and three or more tanks may be provided to store a plurality of types of the unhulled rice M or brown rice G. Alternatively, a single tank may be used. It is good also as a structure provided. In these cases, the brand designation button 96, the type selection button 102, the brand designation button 114, and the like may be appropriately changed and set according to the rice grains stored in the tank.

In each of the above embodiments,
Automatic rice milling device 10 is used to store rice 10B as a rice grain storage.
An example in which the present invention is applied to the (rice milling unit 10A) has been described. However, the storage 10B serving as the rice grain storage is not limited to being applied to the automatic rice mill 10 (milling unit 10A), but may be applied to other processing devices. Alternatively, the rice grains (rice paddy M) stored in each of the tanks 64 and 66 operated by itself can be used.
Alternatively, brown rice G) may be measured in desired amounts and shipped, sold, or supplied as it is.

[0062]

As described above, the rice grain storage according to the present invention has the function of such another processing apparatus so that another processing apparatus such as an automatic rice milling apparatus can respectively respond to different needs of individual users. Can be applied to complement,
There is an excellent effect that desired rice grains can be stored and the stored rice grains can be arbitrarily supplied in a desired amount.

[Brief description of the drawings]

FIG. 1 is a front view showing an entire configuration of an automatic rice polishing apparatus according to a first embodiment of the present invention.

FIG. 2 is a schematic overall configuration diagram of a rice polishing section of the automatic rice polishing apparatus according to the first embodiment of the present invention.

FIG. 3 is a schematic side view showing a configuration of a storage of the automatic rice polishing apparatus according to the first embodiment of the present invention.

FIG. 4 is a schematic plan view showing a configuration of a storage of the automatic rice polishing apparatus according to the first embodiment of the present invention.

FIG. 5 is a front view showing a configuration of an operation panel of the automatic rice polishing apparatus according to the first embodiment of the present invention.

FIG. 6 is a configuration diagram of a control device of the automatic rice polishing apparatus according to the first embodiment of the present invention.

FIG. 7 is a process chart of a rice polishing operation applied to the automatic rice polishing apparatus according to the first embodiment of the present invention.

FIG. 8 is a front view showing a configuration of an operation panel of an automatic rice polishing apparatus according to a second embodiment of the present invention.

FIG. 9 is a process diagram of a rice polishing operation applied to an automatic rice polishing apparatus according to a second embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 10 automatic rice milling device 10A rice milling unit 10B storage (rice grain storage) 64 tank 66 tank 68 sticking hopper 70 elevating machine 72 upper screw conveyor 78 measuring shutter 80 measuring shutter 82 receiving hopper 84 load cell 86 screw conveyor 88 ejector 92 blower 94 transport pipe M G Brown rice H White rice

Claims (1)

[Claims] 1. A tank for storing rice grains therein, a stuffing hopper disposed on a side of the tank, into which rice grains are thrown in from outside, and the hopper is connected to the tank. An elevator that conveys the rice grains in the sticking hopper into the tank; a metering shutter that is provided at a lower end opening of the tank and that opens and closes to supply the rice grains in the tank in a downward direction; It is arranged directly below, and incorporates a screw conveyor for rice grain transport and a load cell for rice grain quantity detection,
And a receiving hopper for receiving the rice grains in the tank via a measuring shutter.The hopper is independently erected as a building, and the screw conveyor is blown and transferred to another processing device erected as a separate building. A rice grain storage, wherein the rice grains stored in the tank can be supplied to the other processing device by a designated amount.