JPH0323231B2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a rice hulling wind sorting device.

(Prior Art) A conventionally known rice hulling device has a structure in which grain selection is carried out in one grain selection chamber as shown in FIG. 4.

That is, the hulling part b provided with the hulling rolls a and a.
The only wind sorting section c is installed below, and the wind sorting chamber d of the wind sorting section c is equipped with a blower e, a first opening f for dropping unhulled brown rice, and a second opening g for unripe grains. Juan h
This is a configuration with a

(Problems to be Solved by the Invention) Although it is possible to separate the rice cakes that have fallen into the second mouth g into the first part, the second part, and the lightweight foreign matter, the prior art can separate the grains that have fallen into the second mouth g into the grained rice cakes and the grained rice cakes. It was not possible to sort them into rice cakes.

(Means for Solving the Problem) The present invention is capable of sorting rice grains that have fallen into the second mouth into rice grains with grains and rice grains without grains. , a wind selection section 11 provided below the hulling section 1, a blower 12 provided at the starting end of the wind selection section 11, a first wind selection chamber 13 formed within the wind selection section 11, and a wind selection section A first article receiving gutter 14 provided at a position close to the blower 12 on the bottom of the air blower 11, a second article drop port 15 provided in front of it, and a second article storage tank 16 provided at the bottom of the second article drop port 15. A narrow drop opening 20 formed at the bottom of the second storage tank 16 and a cross-wind type wind selection chamber 21 formed below the narrow drop opening 20.
And, a two-pronged rice cake discharge channel 22 and a grain-filled rice cake extraction channel 23 are formed at the bottom of the cross-wind type wind selection chamber 21 and are bifurcated in the wind direction.
and the flow passages 22, 2 at the bottom of the cross-wind type wind selection chamber 21.
3, a return flow path to the head connected to the grain-filled grain take-out flow path 23, the cross-wind type wind selection chamber 21, and the first wind selection chamber 13. This is a rice hulling wind sorting device consisting of one suction dust remover 30.

(Embodiment) An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a hulling section at the head, and a paddy rice storage tank 2 is provided at the top, and a discharge gutter of an elevator (not shown) is connected to the tank 2. do.

The tank 2 is connected to the hulling section 1 via an inflow tube 3. 4 is an opening/closing shutter provided in the inflow pipe 3;
6 is a feed-in roll provided in the inflow cylinder 3; 7 and 8 are a pair of hulling rolls provided in the hulling section 1; 10 is a hulling roll 7 that makes a thin layer of hulled material.
This is an inverted vertical plate installed below 8 and 8.

A winnowing section 11 is provided below the hulling section 1. 12
1 is a blower provided at the starting end of the wind selection section 11, and 13 is a first wind selection chamber. A first object receiving gutter 14 is provided at a position near the blower 12 on the bottom of the first air sorting chamber 13, and a second object falling port 15 is provided in front of the first object receiving gutter 14. Reference numerals 38 and 39 are adjusting plates that separate the first and second items in an optimal separation state.

A second article storage tank 16 is formed at the lower part of the second article drop port 15, and inverted eight-shaped flow plates 17, 18, and 19 are provided alternately at the bottom of the second article storage tank 16, respectively. Reference numeral 20 denotes a narrow drop opening formed between the lower ends of the flow plates 18 and 19.

Below the narrow drop opening 20, there is a cross-wind type wind selection room 21.
The bottom of the cross-wind type wind selection chamber 21 has a two-pronged grain-free rice cake discharge passage 22 and a grain-filled rice cake extraction passage 23 that are bifurcated in the wind direction.
In the middle of the bottom of the cross-wind type wind selection chamber 21,
A rice bran separation adjustment plate 24 is provided.

The grain-filled grain extraction flow path 23 further branches into two, and is provided with a grain rice grain flow path 25 that is parallel to the rice grain-less grain discharge flow path 22, and a grain rice grain flow path 25 that allows rice grain removal, and a grain rice grain flow path 25 that allows rice grain removal. A rice cake removal valve 26 is provided. The hullerable rice channel 25 is connected to the return elevator to the head.

The bottom plate 27 of the rice cake discharge channel 22 is provided with a step with a low end, and an air suction port 28 is formed in the step. It is connected via the suction air path 29.

31 is a suction port provided on the side plate 32 of the cross-wind type wind selection chamber 21.

Therefore, a stirring device 33 is provided in the second material storage tank 16. That is, the base of the arm 35 is pivotally attached to the shaft cylinder 34 provided at the upper part of the second storage tank 16, the upper end of the rod 36 is pivoted to the tip of the arm 35, and the spiral body is attached to the lower end of the rod 36. 37 is provided so that the spiral body 37 faces the bottom opening of the second storage tank 16.

40 is a suction port of the blower 12.

Therefore, the sorting wind flowing in the wind sorting chamber 13 is strengthened when the rice grains and green rice fall into the first product receiving channel 14, and the first product receiving channel 14 is filled with mixed rice of brown rice and unhulled rice. Adjustments are made so that only the rice grains fall, and the wind power is weakened when the rice cake is discharged by the suction dust ejector 30.

Therefore, when the grain-filled rice grains fall into the grain-free rice grain discharge channel 22, the grain separation adjustment plate 24 is adjusted to adjust the sorting wind flowing in the second cross-wind type wind selection chamber 21 of the second product drop port 15. The wind force is weakened and adjusted so that the rice grains fall into the rice grain take-out channel 23. When grain-free rice grains fall into the rice grain take-out passage 23, the wind force is strengthened by adjusting the rice grain separation adjustment plate 24. Adjust so that it is sucked into the rice cake discharge channel 22.

(effect) Next, we will discuss the effect.

When the unhulled rice is lifted into the unhulled rice storage tank 2 by the loading elevator and the opening/closing shutter 4 is opened, the unhulled rice is gradually supplied to the hulling rolls 7 and 8 by the loading amount adjustment valve 5 and the loading roll 6, and the unhulled rice is Printed.

The hulled mixed rice is reflected by the reflection plate 9 and spread laterally, flows down on the flow plates 10, 10, and flows into the wind selection section 11.

In the first wind selection chamber 13 of the wind selection section 11, the sorting air flows from the blower 12 toward the suction air path 29, so adjust the adjustment plates 38 and 39 to separate the first and second items. Adjusting to the optimum separation condition, paddy rice and brown rice with a heavy specific gravity are dropped into the first material receiving channel 14, and rice grains and green rice with a light specific gravity are allowed to fall into the second material receiving channel 15 to remove light foreign substances such as rice husks and dust. is from the suction air path 29 to the suction dust remover 3
0 and discharged outside the machine.

The immature grains that have fallen into the second material drop port 15 are temporarily collected in the second material storage tank 16, and then flow down little by little over the eight-shaped flow plates 17, 18, and 19 through the narrow drop port 20. It falls into the crosswind type wind selection room 21.

Inside the cross-wind type wind selection chamber 21, a suction cross-wind is flowing from the suction port 31 toward the rice grain discharge channel 22 by the suction dust remover 30, so that among the fallen grains, grains without grains are light. Therefore, the grainless rice cake is sucked and removed to the rice grain discharge channel 22, and the rice grains containing green rice and grains are discharged to the rice grain discharge channel 2.
Fall into 3.

At this time, when the grain-filled grains fall into the grain-free grain discharge channel 22, the grain separation adjustment plate 24 is adjusted to weaken the wind force and adjust the grain-filled rice grains to fall into the grain-filled grain discharge channel 23.

Then, the grain-loaded rice grain extraction flow path 23 is further branched into two, and by adjusting the grain rice grain extraction valve 26 that can be hulled, the rice grain that can be hulled is taken out to the grain rice grain flow path 25 that can be hulled, and can be hulled. The rice grains are returned to the return elevator at the head via the rice cake flow path 25, and the rice is hulled.

(Effects) A conventionally known rice hulling device has a structure in which grain selection is carried out in one grain selection chamber as shown in FIG. 4. Publicly known before this application: Utility Model Publication No. 38-11975, Utility Model Publication No. 44-20915, Special Publication No. 44
The one described in the -10733 publication is also substantially the same.

That is, the hulling part b provided with the hulling rolls a and a.
The only wind sorting section c is installed below, and the wind sorting chamber d of the wind sorting section c is equipped with a blower e, a first opening f for dropping unhulled brown rice, and a second opening g for unripe grains. Juan h
This is a configuration with a

Although the above-mentioned conventional technology can separate the rice grains into the first grain, the second grain, and the light foreign matter, it is not possible to sort the rice grains that have fallen into the second mouth g into rice grains with grains and grains without rice grains. .

However, the present invention includes the hulling section 1 of the head, the wind selection section 11 provided below the hulling section 1, the blower 12 provided at the starting end of the wind selection section 11, and the wind selection section 11. The first air selection chamber 13 formed, the first object receiving gutter 14 provided at the bottom of the air selection section 11 near the blower 12, the second object falling port 15 provided in front of the first object receiving gutter 14, and the second object falling port. Second storage tank 16 installed at the bottom of 15
, a narrow drop opening 20 formed at the bottom of the second storage tank 16 , a cross-wind type wind selection chamber 21 formed below the narrow fall opening 20 , and a cross-wind type wind selection chamber 21 formed at the bottom of the cross-wind type wind selection chamber 21 in the wind direction. A two-pronged rice grain-free discharge channel 22, a grain-filled rice grain take-out channel 23, a rice grain separation adjustment plate 24 provided between the channels 22 and 23 at the bottom of the cross-wind type wind selection chamber 21, and a grain-filled rice grain-filled rice cake A return flow path to the head connected to the take-out flow path 23, a cross-wind type wind selection chamber 21, and a first wind selection chamber 1.
3, and one suction dust remover 30 that sucks the rice grains, so the rice grains that have fallen into the second grain drop port 15 are stored in the second grain storage tank 16 located below. After that, it falls little by little from the narrow drop opening 20 formed at the lower part of the second storage tank 16, and is placed in the cross wind type wind selection chamber 21 formed below the narrow fall opening 20. By adjusting the rice grain separation adjustment plate 24 provided at the middle of the bottom of the cross-wind type wind selection chamber 21, a two-pronged grain-free rice grain discharge channel 22 and a grain-filled rice grain extraction channel 23 formed at the bottom of the cross-wind type wind selection chamber 21 can be created.
The grain-filled rice cake separated and taken out into the grain-filled rice cake take-out channel 23 has the effect of being returned to the head.

[Brief explanation of drawings]

FIG. 1 is a vertical sectional side view of the main part, FIG. 2 is a vertical sectional side view of the entire body, FIG. 3 is a working state diagram, and FIG. 4 is a diagram of a known example. Explanation of symbols, 1... Hulling part, 2... Paddy rice storage tank, 3... Inflow tube, 4... Opening/closing shutter, 5...
...Feeding amount adjustment valve, 6... Feeding roll, 7... Husking roll, 8... Husking roll, 9... Reflection plate, 10
... Flowing board, 11 ... First wind selection section, 12 ... Air blower, 13 ... First wind selection room, 14 ... First thing receiving gutter,
15...Second item drop port, 16...Second item storage tank, 17, 18, 19...Inverted eight type flow plate, 20...
Narrow falling opening, 21...Cross wind type wind selection chamber, 22...Grande-free rice cake discharge flow path, 23...Rice-filled rice cake removal flow path, 24...
... Rice grain separation adjustment plate, 25 ... Rice grain flow path where rice grain can be removed, 26
... Rice grain removal valve capable of removing rice grains, 27 ... Bottom plate, 28 ...
Air intake port, 29... Suction chamber, 30... Suction dust remover, 31... Suction port, 32... Side plate, 33... Stirring device, 34... Shaft, 35... Arm, 36...
Rod, 37... Spiral body, 38, 39... Air volume adjustment plate, 40... Suction port.

Claims (1)

[Claims] 1. A hulling section 1 at the head, a wind selection section 11 provided below the hulling section 1, a blower 12 provided at the starting end of the wind selection section 11, and a first wind selection section 11 formed within the wind selection section 11. The air selection chamber 13, the first material receiving gutter 14 provided at the bottom of the wind selection section 11 near the blower 12, the second material drop port 15 provided in front of the channel, and the second material drop port 15 provided at the bottom of the second material drop port 15. a second product storage tank 16, a narrow drop opening 20 formed at the bottom of the second product storage tank 16, and a cross-wind type wind selection chamber 21 formed below the narrow drop opening 20.
And, a two-pronged rice cake discharge channel 22 and a grain-filled rice cake extraction channel 23 are formed at the bottom of the cross-wind type wind selection chamber 21 and are bifurcated in the wind direction.
and the flow passages 22, 2 at the bottom of the cross-wind type wind selection chamber 21.
3, a return flow path to the head connected to the grain-filled grain take-out flow path 23, the cross-wind type wind selection chamber 21, and the first wind selection chamber 13. A rice hulling wind sorting device consisting of one suction dust extractor 30.