JPH06254419A - Bran disposal device of rice polishing equipment - Google Patents

Abstract

PURPOSE:To provide a bran disposal device which is capable of discharging the total quantity of polished rice from a rice polishing chamber, if bran generated from rice polishing machines is recovered using a single suction device. CONSTITUTION:A release value 18a is provided in a suction line near the bran discharge aperture of rice polishing equipment 12a, then a release valve 18b in a suction line near the bran discharge aperture of rice polishing equipment 12b, and the operation of the release value 18a is controlled using a control part 24a, and the operation of the release valve 18b is controlled using a control part 24b. If the rice polishing equipment 12a reaches a stage where rice polishing operation nears its end during the operation of both rice polishing equipment 12a and rice polishing equipment 12b, the control part 24a releases only the release valve 18a and by so doing, allows the total quantity of polished rice to be discharged from the rice polishing chamber of rice polishing equipment due to the discontinuation of suction force at the stage of rice polishing operation nearing its end.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bran treatment device for rice milling equipment.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication No. 4-145955 discloses a vertical rice milling machine as shown in FIG. The polishing chamber 1 is composed of a polishing roll 2 and a polishing net 3 surrounding the roll. When the drive shaft 4 is rotationally driven, the Hakusei roll 2 and the feed roll 5 are rotationally driven, and the hopper 6 for introducing brown rice
The brown rice A cut out by the screw 7 is pushed into the polishing chamber 1 by the feed roll 5. The opening of the polishing chamber 1 is regulated by a polished rice outlet forming member 8 and an opening regulating member 9 supported so as to be able to move up and down. The opening degree regulation member 9 adjusts the biasing force of the compression spring 10 according to the lapping accuracy and is pulled upward. When the internal pressure of the polishing chamber 1 becomes higher than the specified pressure due to the pushing by the feed roll 5, the opening regulating member 9 is lowered against the urging force of the compression spring 10 and the opening of the outlet of the polishing chamber 1 is increased, so that the whitening is performed. The internal pressure of the chamber 1 is controlled to a specified value, and the brown rice in the polishing chamber 1 adjusted to the specified internal pressure is stirred by the polishing roll 2 and refined. Rice bran B generated during polishing in polishing room 1
Is discharged from the bran outlet 11a by passing through the polishing net 3 along with the air flow flowing from the polishing chamber 1 through the polishing net 3, and the polished white rice C is regulated with the white rice outlet forming member 8 and the opening degree regulation. It is paid out from between the members 9.

[0003]

In the conventional vertical type rice milling machine 16 as described above, when it is detected that the rotational load of the drive shaft 4 has decreased beyond the specified range, the fed brown rice to the polishing chamber 1 is changed. Judging that it is at the end of milled rice, the urging force of the compression spring 10 is automatically increased to decrease the opening of the outlet of the polishing chamber 1 and increase the internal pressure of the polishing chamber 1 to the maximum tightening position. The degree regulating member 9 is moved and operated in this state for a prescribed time, and then the degree of opening regulating member 9 is lowered to discharge all the rice remaining in the brewing chamber 1 It is possible to process rice even in the final stage of rice polishing when the brown rice fed into the chamber 1 is gone. Also,
Since untreated rice does not remain in the rice polishing machine, even when grains of different varieties are treated one after another, it is possible to obtain the characteristic that grains of different varieties processed last time are not mixed.

As shown in FIG. 6, a plurality of rice milling equipment using a vertical rice milling machine having such a structure is installed, and a single suction is applied to the bran outlet 11b of each rice milling equipment 12a, 12b. A configuration in which the bran is collected by connecting to the bran tank 14 via the device 13 is conceivable, but in this case, the following problem occurs. In addition, 17 is the bran exit 11a of the rice polishing machine and the rice polishing equipment 12
It is an internal fan provided between the bran outlets 11b of a and 12b.

Specifically, no problem occurs during the operation of each of the rice-polishing facilities 12a and 12b until the final stage of rice-polishing, and the bran B collected from each of the bran outlets 11b through the suction device 13 is Collected in bran tank 14.

However, a problem occurs when any one of the rice-polishing facilities reaches the final stage of rice-polishing. If the rice milling equipment 12a reaches the final stage of rice milling, in the rice milling equipment 12a, as described above, the opening regulating member 9 is moved to the maximum tightening position and continuously operated for a prescribed time, and then the opening regulation is performed. The member 9 is lowered to discharge all the rice remaining in the whitening chamber 1, but the suction force of the suction device 13 acts on the whitening chamber 1 of the rice polishing facility 12a via the milling net 3 of the rice polishing facility 12a. Therefore, even if the opening regulation member 9 of the rice polishing equipment 12a is lowered to discharge all the rice remaining in the polishing chamber 1, the white rice C is sucked and adsorbed by the milled net 3 of the rice polishing equipment 12a to be discharged. Can not do it.

[0007] It is an object of the present invention to provide a bran treatment device capable of discharging the whole amount of white rice in a rice milling room even when the bran of a plurality of rice milling facilities is collected by a single suction device. .

[0008]

The bran treatment device according to claim 1 is a device for collecting bran by connecting the bran outlets of a plurality of rice milling equipment to a bran tank through a single suction device. A suction valve near the bran outlet of each rice polishing equipment is equipped with an open valve that connects to the atmosphere, and a control unit that opens and closes the open valve that is installed in its own suction line in conjunction with the operation of the rice polishing equipment. It is characterized by being provided.

According to a second aspect of the present invention, there is provided a bran treatment device in which the bran outlets of a plurality of rice milling equipments are connected to a bran tank through a single suction device to collect the bran. An opening / closing device for changing the opening degree of the suction port is provided, and a control unit for opening / closing the opening device provided in the suction line of the device is provided in association with the operation of the rice polishing equipment.

According to a third aspect of the present invention, the bran treatment device is configured to connect the bran outlets of a plurality of rice milling equipment to a bran tank via a single suction device to collect the bran. A suction valve near the outlet is equipped with an open valve that connects to the atmosphere,
An opening / closing device for varying the opening degree of the air suction port of each rice polishing equipment is provided, and a control unit for opening / closing the opening valve and the opening device in synchronization with the operation of the rice polishing equipment is provided.

[0011]

According to the structure of claim 1, the control unit opens only the opening valve provided in the suction line near the bran outlet of the rice milling equipment in the final stage of rice milling and inserts it into the bran suction lines of other rice milling machines. By closing the open valve installed and collecting the bran, the suction force does not act on the milling room of the rice milling equipment at the end of rice milling, and the entire amount of white rice can be discharged.

According to the second aspect of the present invention, the control unit increases only the opening degree of the opening device provided at the air suction port of the rice milling equipment at the end of rice polishing and is provided at the air suction ports of other rice milling equipment. By recovering the bran without changing the opening of the opening device, the suction force does not act on the polishing chamber of the rice polishing equipment at the end of rice polishing, and the entire amount of white rice can be discharged.

According to the third aspect of the present invention, the control unit opens only the opening valve provided in the suction line near the bran outlet of the rice milling equipment in the final stage of rice milling, and inserts it into the bran suction lines of other rice milling machines. The open valve installed was closed, and along with this, the opening degree of the opening device provided at the air intake of the rice polishing equipment at the end of rice polishing was increased, and it was provided at the air intake of other rice polishing equipment. By recovering the bran with the opening of the opening device kept unchanged, the suction force does not act on the whitening room of the rice polishing equipment at the end of rice polishing, and the whole amount of white rice can be discharged.

[0014]

Embodiments of the present invention will be described below with reference to FIGS. It should be noted that components having the same functions as those of the conventional example shown in FIGS.

1 and 2 show a first embodiment. The bran outlet 11b of each rice milling equipment 12a, 12b and the bran suction line 15 of the suction device 13 are connected to each other as a suction line near the bran outlet 11b. In this embodiment, the open valves 18a, 18 are provided immediately after the bran outlet 11b.
b is provided.

Specifically, the open valves 18a and 18b are constructed as shown in FIG. The pipe line 19 whose base end is connected to the suction line and whose tip is open to the atmosphere, and the solid line position which is pivotally supported by the shaft 20 and closes the tip opening 21 of the pipe 19 and the tip opening 21 are opened. A valve body that can rotate freely with respect to the virtual line position
22 and an electromagnetic plunger 23 that drives the valve body 22.

The control units 24a and 24b are the respective rice milling facilities 12
The open valves 18a and 18b are configured to open and close in conjunction with the operation of a and 12b. Specifically, the control unit 24a that opens and closes the open valve 18a is configured as follows.

During the rice polishing of the rice polishing equipment 12a, the open valve 18a is closed, and the bran B generated in the rice polishing equipment 12a is continuously sucked through the suction device 13 by the suction force of the suction line 15 to the bran tank 14
Have been collected. When the rice-polishing facility 12a is in the final stage of rice-polishing, the opening control member 9 is moved to the maximum tightening position, and the operation is continued for the specified time, and then the opening control member 9 is lowered. The portion 24a energizes the electromagnetic plunger 23 of the opening valve 18a to open the valve body 22. When the opening valve 18a is opened in this manner, the suction force of the suction line 15 does not act on the polishing net 3 of the rice polishing equipment 12a, and the opening control member 9 is lowered so that the polishing chamber 1 of the rice polishing equipment 12a operates. All white rice can be discharged.

The controller 24b for opening and closing the open valve 18b is also a controller.
The structure is similar to that of 24a, and the rice-manufacturing equipment managed by itself is configured to open the opening valve 18b when the opening control member 9 is lowered at the final stage of rice polishing.

Therefore, at the end of rice polishing, the whole amount of white rice in the whitening room can be moved out. In the rice polishing equipment which carries out the whitening treatment at the last stage of rice polishing, the bran B is continuously fed through the suction device 13. Collected in the bran tank 14.

In the above-mentioned first embodiment, each rice polishing equipment 12
Immediately after the bran outlet 11b of a and 12b, the opening valves 18a and 18
Although b is provided, the same effect can be expected even if the configuration is as in the second embodiment described below.

In the second embodiment shown in FIGS. 3 and 4, the air suction port 25 for sucking the external air C into the polishing chamber 1 of the rice polishing machine 16 has a half opening state shown in FIG. An opening / closing device 26a, which can be changed to the fully open state shown, is attached. Specifically, the opening / closing plate 27a is driven by the electromagnetic plunger as seen in the first embodiment.

The opening / closing plate 27 is in a half-open state during rice polishing in the rice polishing equipment 12a, and the air flow sucked from the air suction port 25, passing through the polishing chamber 1 and flowing to the bran outlet 11a is in a fully opened state. It flows at a faster flow rate than that, and efficiently separates and removes the bran B generated in the polishing chamber 1. When the rice-polishing facility 12a is in the final stage of rice-polishing, the opening control member 9 is moved to the maximum tightening position, and is operated in this state for a specified time, and then the opening control member 9 is lowered, Control unit 24
a energizes the electromagnetic plunger of the opening / closing device 26a to fully open the opening / closing plate 27a of the opening / closing device 26a. When the opening / closing plate 27a is fully opened in this way, the flow velocity of the air flow that is sucked in from the air suction port 25 and passes through the polishing chamber 1 becomes slow, and the internal pressure of the polishing chamber 1 approaches the atmospheric pressure, and the opening degree By lowering the regulating member 9, the whole amount of white rice in the whitening room 1 of the rice polishing equipment 12a can be discharged.

The control unit 24b for operating the opening / closing device 26b of the rice polishing equipment 12b is also constructed in the same manner as the control unit 24a, and when the rice polishing equipment under its control lowers the opening regulating member 9 at the final stage of rice polishing. The opening / closing plate 27b of the opening / closing device 26b of the rice polishing equipment
It is configured to fully open, and at the end of the milling process, all of the white rice in the milling room can be moved out. B can be continuously collected in the bran tank 14.

In the first and second embodiments described above, the opening valves 18 are respectively provided immediately after the bran outlets 11b of the rice milling facilities 12a and 12b.
Although either a or 18b is provided or the opening degree of the air suction port 25 of the rice mill 16 is changed by the opening / closing devices 26a and 26b, the bran outlet 11b is opened to the atmosphere and the air of the rice mill 16 is opened. Control unit to make the opening of the suction port 25 larger than before
Similar effects can be expected even if the system is configured to operate with 24a and 24b.

In each of the above embodiments, the rice polishing equipment 12a, 12b
The rice bran outlet 11b was opened / closed by the open valves 18a, 18b. The bran outlet 11a was opened near the bran outlet of the rice milling equipment.
It can also be configured to open and close with.

[0027]

According to the first aspect of the present invention, an opening valve connected to the atmosphere is provided in the suction line near the bran outlet of each rice polishing equipment, and the opening valve is inserted in its own suction line in conjunction with the operation of the rice polishing equipment. Since a control unit for opening and closing the open valve is provided,
Only the open valve provided in the suction line near the bran outlet of the rice milling equipment at the end of rice milling is opened, and the open valves installed in the bran suction lines of other rice mills are closed to collect the bran. As a result, the suction force does not act on the whitening room of the rice polishing equipment at the end of rice polishing, and the entire amount of white rice can be discharged.

According to a second aspect of the present invention, the opening device is provided with an opening / closing device for varying the opening degree of the air suction port of each rice polishing equipment, and the opening device is provided in its own suction line in conjunction with the operation of the rice polishing equipment. Since a control unit for opening and closing the rice is installed, only the opening of the opening device provided at the air intake of the rice polishing equipment at the end of rice polishing is increased, and the opening devices provided at the air intake of other rice polishing equipment are opened. By recovering the bran without changing the temperature, the suction force does not act on the whitening room of the rice polishing equipment at the end of rice polishing, and the entire amount of white rice can be discharged.

According to the structure of claim 3, only the opening valve provided in the suction line in the vicinity of the bran outlet of the rice milling equipment in the final stage of rice milling is opened, and it is inserted in the bran suction line of other rice milling machines. The open valve is closed, and at the same time, the opening degree of the opening device provided at the air intake of the rice polishing equipment at the end of rice polishing is increased, and the opening devices provided at the air intake of other rice polishing equipment are closed. By recovering the bran with the opening kept the same, the suction force does not act on the whitening room of the rice polishing equipment at the end of rice polishing, and the entire amount of white rice can be discharged.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a first embodiment of a bran treatment device of the present invention.

FIG. 2 is a front view and a side view of the opening valve of the embodiment.

FIG. 3 is a configuration diagram of a half-opened state of a switchgear according to a second embodiment.

FIG. 4 is a configuration diagram of a switchgear according to a second embodiment in a fully open state.

FIG. 5 is a block diagram of a conventional rice milling facility.

FIG. 6 is a configuration diagram of a bran treatment device for explaining a problem to be solved by the invention.

[Explanation of symbols]

 1 Polishing room 3 Waxing net 9 Opening regulating members 11a, 11b Bran outlet 12a, 12b Rice milling equipment 13 Suction device 14 Bran tank 15 Suction line 16 Rice mill 18 Opening valve 24a, 24b Control part 25 Air suction port 26a, 26b Opening / closing device

Claims (3)

[Claims] 1. A method for collecting bran by connecting the bran outlets of a plurality of rice milling equipments to a bran tank through a single suction device, wherein air is introduced into a suction line near the bran outlets of each rice milling equipment. A bran treatment device for rice milling equipment, which is provided with an opening valve connected to the rice milling machine, and which is provided with a control unit that opens and closes the opening valve that is interposed in the suction line of the rice milling machine in conjunction with the operation of the rice milling equipment. 2. A method for collecting bran by connecting the bran outlets of a plurality of rice milling equipment to a bran tank via a single suction device, and varying the opening of the air suction port of each rice milling equipment. A bran treatment device for rice milling equipment, which is provided with an opening / closing device and is provided with a control unit for opening and closing the opening device which is interposed in its own suction line in synchronization with the operation of the rice milling equipment. 3. A method for collecting bran by connecting the bran outlets of a plurality of rice milling equipments to a bran tank via a single suction device, wherein atmospheric air is provided in a suction line near the bran outlets of each rice milling equipment. An opening valve connected to the rice polishing equipment is provided, and an opening / closing device for varying the opening degree of the air suction port of each rice polishing equipment is provided, and the opening valve and a control unit for opening and closing the opening device are provided in conjunction with the operation of the rice polishing equipment. Equipment bran treatment equipment.