JPH11253827A - Rice milling equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the cost of rice milling equipment by eliminating the need for a changeover device (a changeover valve, etc.), for changeover and a bran transporting device (screw conveyor, etc.), as there is no need for changing over the recovering destination of bran to either of a tank for bran take-out and a vessel for recovery. SOLUTION: This rice milling equipment is provided with the recovering device 10 for recovering the bran A generated from a rice milling machine 7 within a machine chamber 3. The recovering device 10 comprises a fan 11 for delivering the bran A together with air B to a downstream side, a cyclone 13 which is connected to the downstream side of the fan 11 and separates the bran A and the air B, the tank 16 for bran take-out which is interposed in the middle of passages 14 and 15 for connecting the fan 11 and the cyclone 13 and the vessel 27 for recovery which recovers the bran A separated by the cyclone 13. In such a case, a bran take-out port 20 for discharging the bran A in the tank 16 for bran take-out is disposed within a bran take-out section 29 formed within the machine chamber 3. The bran take-out section 29 and the interior of a working chamber are communicated to allow the take-out of the bran A discharged from the bran take-out port 20 into the bran take-out section 29 into the working chamber from the bran take-out section 29.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice milling machine that automatically mills rice when a user inserts a coin, for example.

[0002]

2. Description of the Related Art Conventionally, as the above rice milling equipment, there is one disclosed in, for example, Japanese Patent Publication No. 8-202. That is, as shown in FIG. 4, the machine room 51 and the work room 52 are separated by a partition wall 53, and brown rice is put into a supply funnel 54 in the work room 52, and then a coin is put into the coin insertion slot 55. As a result, the brown rice is fried by the fryer 56 and falls from the hopper 57 into the grinder 58 to be crushed.

At this time, the generated bran is fed into the cyclone 60 through the bran guide cylinder 59 and falls into the bran transport device 61. Then, the bran is transported into the bran tank 62 by the bran transport device 61. When the amount of the bran in the bran tank 62 reaches a certain level, the bran transport device 61 is driven in reverse to transport the bran to the bran collection bag 63. Is done. When the amount of the bran in the bran tank 62 decreases below a certain level, the bran transport device 61 is driven forward to transport the bran into the bran tank 62. It should be noted that a screw conveyor is used as the bran transport device 61.

When a customer purchases bran, the user inserts a coin into the coin slot 55 and operates the bran so that the bran stored in the bran tank 62 passes through the bran discharge cylinder 64 and the bran discharge port. It is discharged from 65.

[0005]

However, in the above-mentioned conventional type, the bran collection destination is a bran tank 62 and a bran collection bag 63.
A bran conveying device 61 such as a screw conveyor or the like.
However, it is necessary to provide a switching device such as a valve in place of the above, so that the cost is increased, and the drive control of the bran transport device 61 and the switching device is complicated.

If the rice bran tank 62 is filled with rice bran beyond the limit, the rice bran may flow backward from the rice bran tank 62 to the grain grinder 58 side. A level detector is required to detect that a certain level has been reached, but this has resulted in a further increase in cost.

An object of the present invention is to reduce the cost of rice milling equipment.

[0008]

In order to solve the above-mentioned problems, a rice-milling machine according to the first aspect of the present invention is formed by partitioning a rice-milling machine room and a rice-milling work chamber. A rice milling machine provided with a rice milling machine for milling unmilled rice put in from the working room, a collecting device for collecting the bran generated from the rice milling machine is provided in the milling machine room, The recovery device is a blower that sucks together with air the bran generated from the rice mill and sends it to the downstream side, a cyclone connected to the downstream side of the blower to separate bran and air, and the blower A bran removal tank interposed in the passage connecting the cyclone,
A recovery container for recovering the bran separated by the cyclone, and a bran removal outlet for discharging the bran in the bran removal tank is provided in a bran removal section formed in the milling machine room; The rice bran extracting section is communicated with the rice polishing work chamber so that the bran discharged from the rice bran outlet into the rice bran extracting section can be taken out from the rice bran extracting section into the rice polishing work chamber.

[0009] According to this, at the time of rice polishing, the bran generated from the rice mill is sent to the downstream side together with the air by the blower and accumulated in the bran removal tank. At this time, the air that has flowed into the bran removal tank together with the bran flows through the bran removal tank, flows into the cyclone, and is exhausted from the cyclone to the outside.

[0010] Thereafter, when the amount of the bran in the bran removal tank reaches a certain level, the bran continuously flowing into the bran removal tank from the blowing device side passes through the bran removal tank together with the air to form a cyclone. Flow into the interior. Then, the bran and the air are separated in the cyclone, the bran is discharged from the cyclone and collected in a collection container, and the air is exhausted from the cyclone to the outside.

[0011] When the user who has entered the rice-milling work room brings back the bran, the user removes the bran discharged into the rice-branch extraction section from the rice-branch extraction port of the rice bran extraction tank through the rice-mill removal section. Just take it out.

The rice milling equipment according to the second aspect of the present invention is characterized in that a bag that receives the bran discharged from the rice bran outlet and that can be put in and out of the rice bran extracting section and the rice milling chamber is inserted into the rice bran extracting section. is there.

According to this, the bran discharged into the bran removal section from the bran removal outlet of the bran removal tank is collected in the bag.
Then, when the user brings back the bran, the user may take out the bag containing the bran from the bran removal section into the milling room.

[0014]

FIG. 1 is a block diagram showing an embodiment of the present invention.
This will be described with reference to FIG. As shown in FIGS. 1 and 2,
Reference numeral 1 denotes a coin-type rice milling machine that automatically performs rice milling operations by inserting coins. In the building 2 of the rice milling equipment 1, a rice milling machine room 3 and a rice milling work room 4 are formed by being partitioned by a partition wall 5.

A charging hopper 6 is provided in the rice polishing work chamber 4, and the brown rice fed into the charging hopper 6 is supplied by a supply device 9 to a rice polishing machine 7 installed in the rice polishing machine room 3. Is done. The rice mill 7 is provided with a white rice hopper 8 for discharging the milled rice from the rice mill 7 into the milling work chamber 4.

A recovery device 10 for recovering the bran A generated from the rice mill 7 during rice polishing is provided in the rice milling machine room 3. The configuration of the recovery device 10 will be described below. That is, the rice mill 7 has a fan 11 (an example of a blower) that sucks the bran A together with the air B and sends it to the downstream side.
Are connected via a tubular passage 12. A cyclone 13 for separating bran A and air B is provided downstream of the fan 11. A bran removal tank 16 is provided in the middle of tubular passages 14 and 15 connecting the fan 11 and the cyclone 13. Is interposed.

As shown in FIGS. 1 to 3, the bran removal tank 16 includes a rectangular tube portion 17, a funnel-shaped hopper portion 18 formed below the rectangular tube portion 17, and an upper lid portion. 19
And the tank 16 formed at the lower end of the hopper 18 and
And a bran take-out port 20 for discharging the bran A therein. An entrance opening 21 is formed in the upper part of the square tube portion 17, and an exit opening 22 is formed in the upper lid portion 19. In addition, the lower surface of the upper lid 19 has an entrance opening 2.
A direction changing plate 23 that changes the flow of the bran A and the air B flowing from 1 from a horizontal direction to a downward direction is hung down.

At the lower end of the hopper 18, an opening / closing member 30 for opening and closing the bran outlet 20 is swingably mounted. As shown in FIG. 3, the opening / closing tool 30 closes the bran outlet 20 at the hanging closed position S (solid line) and opens the bran outlet 20 at the laterally open position O (virtual line). The opening / closing member 30 is swung between a closed position S and an open position O by a driving device (not shown) such as a motor, and such opening / closing operation is performed as shown in FIG. The operation is performed by a bran removal operation button 31 provided in the inside.

One end of the passage 14 is connected to the discharge side of the fan 11, and the other end is connected to the inlet opening 21 of the bran extraction tank 16. One end of the passage 15 is connected to the outlet opening 22 of the bran extraction tank 16,
The other end is connected to the inlet 24 of the cyclone 13. A discharge port 25 for discharging bran A downward is formed at a lower end of the cyclone 13, and an exhaust port 26 for discharging air B upward is formed at an upper end of the cyclone 13. The outlet 25 is connected to a collecting container 27 for collecting the bran A separated in the cyclone 13.

In the milling machine room 3, the partition wall 5 is provided.
A rice bran extracting portion 29 is formed which communicates with the rice polishing work chamber 4 through the opening 28 formed in the rice bran. The bran extracting port 20 of the bran extracting tank 16 is inserted into the bran extracting section 29.

The partition wall 5 is provided with a door 32 capable of opening and closing the opening 28 from inside the rice polishing work chamber 4. In addition, a clip 34 for holding the bag 33 inserted into the rice bran extracting section 29 through the opening 28 from the inside of the rice polishing work chamber 4 is provided inside the rice bran extracting section 29.

The operation of the above configuration will be described below.
The user enters the work room 4 for polishing rice, inserts coins, and inserts brown rice brought into the input hopper 6.
As a result, the supply device 9 is operated to feed the brown rice into the hopper 6.
From the rice mill 7, and the rice milled by the rice mill 7 is discharged to the white rice hopper 8.

At the time of such milling, the bran A generated from the milling machine 7 is sucked into the fan 11 through the passage 12 and
The air is sent downstream along with the air B, passes through the passage 14, and flows into the bran removal tank 16 from the inlet opening 21. At this time, the flow of the bran A and the air B flowing from the inlet opening 21 is changed from the horizontal direction to the downward direction by the direction changing plate 23, and the bran A falls and accumulates in the bran removal tank 16. Further, the air B flows out of the outlet opening portion 22,
The gas flows into the cyclone 13 through the passage 15, and is exhausted from the exhaust port 26 to above the cyclone 13. Thus, the bran A is always stored in the bran removal tank 16.

Then, when the rice polishing is repeated and the amount of the bran A accumulated in the bran removal tank 16 reaches a certain recovery limit level L (a certain level), the passage 14 continues.
The bran A flowing into the bran removal tank 16 from the inside passes through the bran removal tank 16 together with the air B and passes through the passage 15.
And flows into the cyclone 13 from the passage 15. Then, the bran A and the air B are separated in the cyclone 13, the bran A is discharged from the discharge port 25 and collected in the collection container 27, and the air B is discharged from the discharge port 26 to above the cyclone 13. You.

When the user brings back the bran A, the door 32 is opened from the rice-milling chamber 4 and the bag 33 is inserted into the bran extracting section 29 through the opening 28, and the bag 33 is removed. It is sandwiched between clips 34 and fixed. Then, by closing the door 32 and turning on the bran removal operation button 31, the driving device (not shown) is driven to move the opening / closing member 30 from the closed position S to the open position as shown by the phantom line in FIG. O, the bran removal outlet 20 is opened, and the bran removal tank 1
The bran A in 6 is discharged from the bran outlet 20 and falls into the bag 33. After a certain time, the driving device (not shown) is driven to open and close the switch 30 as shown by the solid line in FIG.
Is swung from the open position O to the closed position S, the bran outlet 20 is closed, and the discharge of the bran A ends. This allows
The bran A is taken out from the bran take-out tank 16 by a fixed amount.

After that, the user opens the door 32 from inside the polishing room 4 and removes the bag 33 containing the bran A from the clip 34, and removes the bag 33 as shown by the phantom line in FIG. The rice is taken out from the bran extracting section 29 into the rice polishing work chamber 4. By removing the bran A in this manner, the bran removal tank 1
When the amount of bran A in 6 decreases, a certain recovery limit level L
Until it reaches a certain level, the bran A is stored in the bran removal tank 16.
And does not flow to the cyclone 13 side.

In the rice milling apparatus 1 having such a configuration,
Since it is not necessary to switch the recovery destination of the bran A to either the bran extraction tank 16 or the recovery container 27, a switching device (such as a switching valve) for switching and a bran transport device (such as a screw conveyor) are not required. obtain. Furthermore, since it is not necessary to detect that the amount of bran A in the bran removal tank 16 has reached a certain recovery limit level, a level detection device may not be necessary. Thus, the cost of the rice milling equipment 1 can be reduced.

In the above embodiment, the bran extraction section 29
Is formed in the rice milling machine room 3 and the bag 33 can be put in and taken out of the rice milling chamber 29 from the rice milling chamber 4, and thus a part of the bran A discharged from the rice bran outlet 20 of the extraction tank 16. Even if spilled out of the bag 33, the floor in the rice polishing work chamber 4 will not be stained with bran A. In addition, by closing the door 32, the bran A discharged from the bran outlet 20 does not scatter to the milling chamber 4.

In the above-described embodiment, the opening / closing member 30 is automatically swung by a driving device (not shown) to open and close. 30 may be opened and closed.

In the above embodiment, when the user brings back the bran A, the bran removal operation button 31 is turned on, so that the driving device is driven and the bran removal opening 20 is opened by the opening / closing tool 30. If the rice mill 7 and the fan 11 are operating, the bran A is blown out from the bran outlet 20 together with the air B with a strong momentum. In order to prevent such a squirt, the user is instructed not to turn on the bran extraction operation button 31 during operation by driving a cautionary note, or is opened while the switch 30 is closed during operation. Countermeasures such as setting the rice bran outlet 20 to be opened by the opening / closing tool 30 after the operation of the rice mill 7 and the fan 11 are stopped without operating may be implemented.

In the above embodiment, one cyclone 13 and one collection container 27 are provided, but a plurality of cyclones 13 and a collection container 27 may be provided.

[0032]

As described above, according to the first aspect of the present invention, it is not necessary to switch the bran collecting destination to either the bran extracting tank or the collecting vessel, and therefore, the switching device (switching valve) for switching. ) And a rice bran conveying device (such as a screw conveyor) may be unnecessary. Further, since there is no need to detect that the amount of bran in the bran removal tank has reached a certain recovery limit level, a level detecting device may be unnecessary. For this reason, the cost of the rice milling equipment can be reduced.

According to the second aspect of the present invention, the bran discharged into the bran extracting section from the bran extracting port of the bran extracting tank is collected in the bag. And when the user brings back the bran,
What is necessary is just to take out the bag body containing the bran from the bran removal section into the rice-milling room.

[Brief description of the drawings]

FIG. 1 is a front view of a rice-milling machine room of a rice-milling facility according to an embodiment of the present invention.

FIG. 2 is a partially cutaway plan view of the rice milling equipment.

FIG. 3 is a cross-sectional view of the rice milling facility as viewed from the side of a bran extraction section.

FIG. 4 is a plan view of a conventional rice polishing facility.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rice milling equipment 3 Milling machine room 4 Milling work room 7 Rice mill 10 Recovery device 11 Fan (blower) 13 Cyclone 14, 15 passage 16 Bran removal tank 20 Bran removal outlet 27 Recovery container 29 Bran removal unit 33 bags Body A bran B air

Continued on the front page (51) Int.Cl. ⁶ Identification code FI B04C 9/00 B04C 9/00

Claims (2)

[Claims] 1. A rice milling machine room and a rice milling work room are partitioned and formed, and a rice milling machine is provided in the rice milling machine room for milling unpolished rice introduced from the rice milling room. A rice milling equipment, wherein a collecting device for collecting the bran generated from the rice mill is provided in the rice milling machine room,
The recovery device is a blower that sucks together with air the bran generated from the rice mill and sends it to the downstream side, a cyclone connected to the downstream side of the blower to separate bran and air, and the blower A bran removal tank interposed in the middle of the passage connecting the cyclone, and a recovery container for recovering the bran separated by the cyclone, for discharging the bran in the bran removal tank An outlet is provided in a bran extraction section formed in the rice milling machine chamber, and communicates the rice bran extraction section with the rice milling work chamber to remove the bran discharged into the rice bran extraction section from the rice bran extraction port. Milling equipment characterized in that it can be taken out from the milling room. 2. A bag body, which receives the bran discharged from the bran outlet and inserts and removes the bran into and out of the bran extracting section and the rice-milling chamber. Rice milling equipment.