JPH0517154Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an automatic air volume adjustment device in a rice huller wind sorter.

(Prior art) The conventionally known Japanese Utility Model Application Publication No. 58-10843 discloses a hulling section having a hulling roll, a circulation wind selection section provided below the hulling section, and a flow through the wind selection section. A rice hulling wind sorter having a first product outlet (numeral 4) and a third product outlet (number 12) formed sequentially for the sorting wind, and a suction windmill connected to the first product outlet. , a suction tube (code 5) for sucking upward is provided at the first article outlet, a wind force control valve (code 2) is installed in the circulation air path, and a dust detection tube (code 5) is provided in the suction tube (code 5). A structure is described in which a sensor (reference numeral 6) is provided and the wind force regulating valve is adjusted based on dust detection by the dust detection sensor. Note that the above-mentioned known example is not provided with a second article outlet.

In addition, in the conventionally known Utility Model Application Publication No. 55-91936,
A hulling section having a hulling roll, a circulating air sorting section provided below the hulling section, and a top pick-up port (reference 6) formed in sequence for the sorting air flowing inside the hulling section. and a second article outlet (reference number 8), a third article outlet (reference numeral 12), and a blower for forcefully transporting fallen objects from the second article outlet and the third article outlet. There is.

(Problem to be solved by the invention) The device described in the above-mentioned public gazette is a small-sized rice hulling device, and the amount of rice husk is small, so it can be used in a circulating air path as shown in the example diagram. However, it is difficult to separate rice husks using large commercial-use hulling equipment that handles a large amount of rice husks.

Further, in the known method, the amount of rice husks is detected at the first pick-up port, but since the first pick-up port and the third pick-up port are quite far apart, delicate adjustments cannot be made.

Ideally, the structure would be such that no rice husks come out from the second outlet where rice husks tend to come out, but a large amount of rice husks come out from the nearby third outlet.

(Purpose of the invention) The present invention is designed to discharge as much rice husk as possible from the third product outlet, to discharge rice grains from the second product outlet, and to prevent rice husks from being discharged from the second product outlet. This is what I did.

(Means for Solving the Problems) Therefore, the present invention comprises a hulling section 1 having hulling rolls 3 and 4, a wind selection section 5 provided at a position below the hulling section 1, and a wind selection section. A first article outlet 8, a second article outlet 9, and a third article outlet 10 are sequentially formed in response to the sorting air flowing horizontally in the interior of the 5, and the second article outlet 9 and the third article outlet are formed in sequence. 10, a vertical second grain sorting device 12 is provided below the second grain pick-up port 9, and the second grain grain sorting device 12 has a side A rice husk suction air passage 14 is provided to suck the rice husk to the side, a rice husk amount detection sensor 15 is provided in the rice husk suction air passage 14, and a suction windmill is connected to the third material outlet 10 and the rice husk suction air passage 14, The third pick-up port 10 is provided with an air volume control valve 17 that can adjust the amount of air flowing through the pick-up port 10, and when the sensor 15 detects that the amount of rice husks contained in the second pick is large, the air volume is adjusted. The control valve 17 is closed to increase the air volume at the third product outlet 10, and when the sensor 15 detects that the amount of rice husk contained in the second product is small, the air volume control valve 17 is opened to increase the air volume at the third product outlet 10. The sensor 15 and the air volume control valve 17 are connected in relation to each other so as to reduce the air volume of the rice huller.

(Embodiment) An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a hulling section, a paddy rice storage tank 2 is provided at the top, and a pair of hulling rolls 3 and 4 are mounted on shafts in the hulling section 1. A winnowing part 5 is provided below the hulling part 1. A blower 6 is installed in the wind selection room 7 of the wind selection section 5, and the wind selection room 7
There is a first item outlet 8 at the bottom of the interior near the blower 6.
A second article outlet 9 is provided in front of the first article outlet 8. Reference numeral 10 denotes a third material outlet for discharging rice husks 11 and lightweight foreign matter, and is connected to a suction dust remover (not shown). Reference numeral 12 denotes a second item sorting device 12 for sorting the second item 13 taken out from the second item outlet 9.

A rice husk suction air passage 14 for sucking and removing the rice husks 11 in the second item 13 is provided at the upper part of the second item wind sorting device 12, and the rice husk suction air passage 14 is connected to the third item taking out port 10.
Connect to. The rice husk 1 is in the rice husk suction air passage 14.
A sensor 15 for detecting 1 is provided. sensor 1
5 is connected to an air volume control valve 17 provided on a side plate 16 forming the third item outlet 10.

That is, the second product sorting device 12 is transferred from the second product outlet 9.
The rice husk 11 in the second material 13 that has entered the rice husk is sucked from the rice husk suction air passage 14, and when the sensor 15 detects the rice husk 11 and determines that the amount is above the set value, the sensor 15 rotates the air volume control valve 17. Adjustment port 24
is closed, and the suction air inside the wind selection chamber 7 is strengthened. On the contrary, the rice husk 11 in the second grain 13 that has entered the second grain sorter 12 is sucked into the rice husk suction air passage 14,
When the sensor 15 detects this and determines that the value is below the set value, the sensor 15 rotates the air volume control valve 17 to provide an adjustment port 24 to weaken the suction air in the air selection chamber 7.

In the figure, 18 is the first thing, 19 is the inclined plate, 20 is the return port, 21 is the outlet, 22 is the elevator, and 23 is the switching valve.

(effect) Next, we will discuss the effect.

When the work starts by shelling the unhulled rice into the unhulled rice storage tank 2 using the elevator, the unhulled rice is transferred to the hulling rolls 3 and 4.
The mixed rice that has been hulled is dispersed and flows into the wind sorting section 5. In the wind sorting chamber 7 of the wind sorting section 5, the sorting air flows horizontally from the blower 6 toward the third product outlet 10, so that the first product 18, which has a heavy specific gravity such as unhulled rice and brown rice, is removed from the first product. The second material 13 such as grains and green rice with light specific gravity falls into the outlet 8 and falls into the second material outlet 9, while the light foreign materials such as rice husks 11 and dust are sucked out from the third material outlet 10 by a suction dust extractor. It is sucked in and discharged outside the machine.

At this time, the second item 13 taken out from the second item outlet 9 is supplied to the vertical second item screening device 12 and falls, but the second item 13 is not placed in the upper part of the second item screening device 12. Since the rice husk suction air passage 14 is provided to suck and remove the rice husk 11 inside to the side, the rice husk 11 in the second piece 13 is sucked into the rice husk suction air passage 14. The rice husk 1 is placed in the rice husk suction air passage 14.
1 is provided, and the sensor 15 is connected to the air volume control valve 17. When the sensor 15 detects the amount of rice husk 11 exceeding the set value, the sensor 15 rotates the air volume control valve 17 to open the control port. 24, and the suction air in the wind selection chamber 7 is made stronger. Conversely,
When the sensor 15 determines that the amount of rice husk 11 that has entered the rice husk suction air passage 14 is less than the set value, the air volume control valve 17 is rotated to open the adjustment port 24 and the suction air in the wind selection chamber 7 is controlled. make it weaker

(Effects) The conventionally known Japanese Utility Model Application Publication No. 58-10843 discloses a hulling section having a hulling roll, a circulation wind selection section provided below the hulling section, and a sorting system that flows through the wind selection section. In a hulling wind sorter having a first product outlet and a third product outlet that are sequentially formed against the wind, and a suction windmill connected to the first product outlet, the first product outlet is provided with a suction tube that sucks upward, a wind force control valve is provided in the circulation air path, a dust detection sensor is provided in the suction tube, and the wind force control valve is adjusted by dust detection by the dust detection sensor. The structure is described. Note that the above-mentioned known example is not provided with a second article outlet.

In addition, in the conventionally known Utility Model Application Publication No. 55-91936,
A hulling section having a hulling roll, a circulating air sorting section provided below the hulling section, and a first product takeout port and a second product opening that are sequentially formed in response to the sorting air flowing in the wind selection section. A device is described that is provided with an outlet, a third object outlet, and a blower for forcefully transporting fallen objects from the second object outlet and the third object outlet.

However, since the method described in the above-mentioned publication uses a circulating air path to sort rice, it is a small-sized hulling device.
Although it can be applied to products with a small amount of rice husk, it cannot be applied to large commercial rice hulling equipment with a large amount of rice husk.

Furthermore, in the known method, the amount of rice husks is detected at the first material outlet, but since the first material outlet is further away from the third material outlet, delicate adjustments cannot be made.

However, the present invention includes a hulling section 1 having hulling rolls 3 and 4, a wind selection section 5 provided at a position below the hulling section 1, and a wind selection section 5 that is configured to handle the sorting wind flowing horizontally within the hull selection section 5. The first article outlet 8, the second article outlet 9 and the third article outlet 10 are formed in sequence, and a suction windmill is connected to the second article outlet 9 and the third article outlet 10. In the rice hulling wind sorting machine, a vertical second grain sorting device 12 is provided below the second grain pick-up port 9, and the second grain grain sorting device 12 is provided with a rice husk suction air passage 14 that sucks the rice husks laterally. A rice husk amount detecting sensor 15 is provided in the rice husk suction air passage 14, a suction windmill is connected to the third rice husk intake port 10 and the rice husk suction air passage 14, and a rice husk amount detection sensor 15 is provided in the rice husk suction air passage 14; Outlet 10
An air volume adjustment valve 17 is provided that can adjust the volume of air flowing inside the air volume adjustment valve 17.
When the sensor 15 detects that the amount of rice husk contained in the second grain is small, the air volume control valve 17 is opened to increase the air volume at the third grain outlet 10. Since the sensor 15 and the air volume control valve 17 are connected in a related manner so as to reduce the amount of rice husks in the second grain outlet 9, the automatic air volume adjustment device in the rice grain sorting machine has a simple structure. can be detected, and the air volume of the third pick-up port 10 located nearby can be adjusted, and ideally as much rice husk as possible is discharged from the third pick-up port 10, and only rice grains are discharged from the second pick-up port 9. It is possible to sort out what is discharged. Also, since it is not a circulating air path, it can be used for large-scale equipment with a lot of rice husks.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional side view of the main part, and FIG. 2 is a flowchart. Explanation of symbols, 1... Hulling section, 2... Paddy rice storage tank, 3... Hulling roll, 4... Hulling roll, 5
...Wind selection department, 6...Blower, 7...Wind selection room, 8...
...First product outlet, 9...Second product outlet, 10...
Third product outlet, 11...Rice husk, 12...Second product wind sorter, 13...Second product, 14...Rice husk suction air passage, 15...Sensor, 16...Side plate, 17...
Air volume control valve, 18... first thing, 19... inclined plate,
20...Return port, 21...Outlet port, 22...Elevator, 23...Switching valve, 24...Adjustment port.

Claims (1)

[Scope of utility model registration request] A hulling section 1 having hulling rolls 3 and 4, a wind selection section 5 provided at a position below the hulling section 1, and a wind selection section 5 which is formed in sequence in response to the sorting wind flowing laterally within the hull selection section 5. A rice grain sorting machine having a first product outlet 8, a second product outlet 9, a third product outlet 10, and a suction windmill connected to the second product outlet 9 and the third product outlet 10. , a vertical second grain sorting device 12 is provided at the lower part of the second grain pick-up port 9, a rice husk suction air passage 14 for sucking sideways is provided in the second grain sorting device 12, and the rice husk suction A sensor 15 for detecting the amount of rice husk is provided in the air passage 14, a suction windmill is connected to the third pick-up port 10 and the rice husk suction air pass 14, and the inside of the pick-up port 10 is connected to the third pick-up port 10. An air volume control valve 17 that can adjust the flow volume of the air is provided, and the sensor 1
When the sensor 5 detects that the amount of rice husks contained in the second material is large, the air volume control valve 17 is closed to increase the air volume of the third material outlet 10, and the sensor 15 detects the amount of rice husk contained in the second material. An automatic method in a rice huller wind sorter in which the sensor 15 and the air volume control valve 17 are connected in a related manner so that the air volume control valve 17 is opened to reduce the air volume at the third material outlet 10 when the air flow is detected to be low. Air volume adjustment device.