JPH10192722A - Unhulled rice winnowing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the size of an unhulled rice winnowing section obliquely installed in a unhulled rice winnowing case by opening unhulled rice supply port in the upper part of this unhulled rice winnowing section, providing the lower side of an unhulled rice winnowing path with an unhulled rice receiving trough and paddy receiving trough and providing the lower sides within the right and left widths of the unhulled rice winnowing path with an unhulled rice path and a paddy path. SOLUTION: The unhulled rice winnowing path 4 is diagonally installed into the unhulled rice winnowing case 3 of the unhulled rice winnowing section B of husking sepn. facilities. The unhulled rice supply port 5 is opened in the upper part of the unhulled rice winnowing path 4. A chaff wind path 6 is connected to the terminal part of the unhulled rice supply port 5. A chaff receiving trough 8 is arranged below the terminal part of the chaff wind path 6. The chaff is discharged from a chaff discharge path 11 via a chaff delivery valve 9. A air of right and left fans 12 are arranged to face the terminal part of the chaff wind path 6. A circulating sepn. wind path comprises the unhulled rice winnowing path 4, the chaff wind path 6, the fans 12 and the circulating path 13. On the other hand, the unhulled rice receiving trough 15 is arranged below the terminal side of the unhulled rice winnowing path 4. The unhulled rice is supplied to the unhulled rice path 16 from the falling port thereof.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in an apparatus for selecting rice from crushed rice.

[0002]

2. Description of the Related Art For example, Japanese Patent Application Laid-Open No.
No. 112554.

[0003]

In the above-mentioned prior art, the polished rice is selected by a polished rice wind path, and the polished rice and pity selected by a polished rice trough or a pity trough are selected. With a transfer spiral, it is transported from one side end to the other side end, taken out to a grain passage outside the width of the crushed rice wind selection path, and the grain is transferred to an appropriate place via the grain passage is there.

[0004] Therefore, there is a problem that the grain passage inevitably protrudes outside the machine width of the crushed rice wind selection path, and the crushed rice wind selection section becomes large. Therefore, the present invention is intended to solve such a drawback and to reduce the size of the crushed rice wind selection unit and improve the wind selection performance.

[0005]

The present invention has taken the following technical measures in order to solve the drawbacks of the prior art. According to the present invention, a rice crushed rice selection path 4 is obliquely provided in a rice crushed rice selection case 3, and the supply of the rice crushed by the rice crushing unit A is provided above the rice crushed rice selection path 4. Rice feed port 5 for the rice is opened, and below the rice-grinding flow path 4, the rice trough 15 and the pity trough 18
The sliding rice receiving gutter 15 and the pity receiving gutter 18 are provided with a sliding rice transporting spiral 14 and a pity transporting spiral 17 for transporting inward from both left and right sides, respectively. A crushed rice wind selection device is provided below which is provided with a crushed rice passage 16 and a pity passage 19 which receive these transferred grains and take it out below.

[0006]

[Effect] The rice crushed rice supplied to the rice crushed rice selection path 4 is selected by the sorting wind, light rice husks are blown to the end side and discharged out of the machine, and relatively light pity is pity. The dropped rice of the heavy paddy and brown rice is dropped and sorted by the gutter 18 and is dropped and sorted by the grit rice receiving gutter 15. The sliding rice and pity selected by the pity receiving trough 18 and the sliding rice receiving trough 15 are transferred from the left and right outside to the inside by the pity transfer spiral 17 and the sliding rice transport spiral 14, and the sliding rice wind path 4. Flows into the pity passage 19 and the sliding rice passage 16 which are located below the central part of the vehicle, and is sent to the next step.

[0007]

As described above, according to the present invention, the polished rice and pity dropped and sorted to the rubbed rice trough 15 and the pity trough 18 are left and right by the polished rice transport spiral 14 and the pity transport spiral 17. By being transferred from the outside to the inside, the grain transfer amount on both the left and right sides is equalized, and dust generated by jumping up during the transfer process is removed by wind sorting by the sorting wind, and it is sorted into clean sliding rice, pity, Further, the pity passage 19 and the sliding rice passage 16 can be accommodated within the body width of the sliding rice wind selection path 4, so that the body width can be narrowed and the body can be downsized.

[0008]

Embodiments of the present invention shown in the drawings will be described below. First, an overall configuration of a hulling sorting facility will be described with reference to FIG. The rice hulling sorting facility is a rice hulling unit A that performs hulling, a rice hulling rice selection unit B that wind-selects rice hulled from the rice hulling unit A, and a mixing after wind selection in the rice hulling rice selection unit B. An oscillating sorting section C for separating and sorting rice into paddy and brown rice, a grain sorting section D for sorting the brown rice selected by the oscillating sorting section C, and a graining machine and a grain conveying machine between these devices. It is constituted by a grain passage and the like.

The hulling unit A includes a hulling hopper 1 and a pair of hulling rollers.
It is composed of a hulling room 2 etc. in which Next, the sliding rice style selection section B is configured as follows. A rice-striped rice selection path 4 is slopingly provided in the rice-striped rice selection case 3. The supply port 5 is opened. A rice hull air passage 6 is connected to the terminal end of the smashed rice supply port 5 so as to be bent downward, and a rice hull trough 8 provided with a rice hull transfer spiral 7 is provided below the terminal end of the rice husk air passage 6. The rice hulls arranged and transferred to the terminal side by the rice husk transfer spiral 7 are fed downward by the rice hull feeding valve 9, and discharged outside the machine through the rice husk discharge passage 11.

[0010] A pair of left and right blowers 12, 12 are arranged opposite to the end of the rice husk air passage 6, and the blowers 12, 12 are arranged.
Is communicated with the end of the rice husk air passage 6, and the blower 12,
Twelve blowers are communicated with the start end of the circulation air passage 13, and the end end of the circulation air passage 13 is communicated with the start end of the crushed rice wind selection passage 4. Thus, the sifted rice air path 4, the rice hull path 6, the blower 12, and the circulation air path 13 constitute a circulation selection air path.

Note that a sirocco fan may be used instead of the pair of left and right blowers. In addition, a rectifying plate (not shown) for rectifying the sorted air may be arranged on the blowing side of the blowers 12 and 12. The current plate is made of, for example, punching metal,
A portion near the blower of the blowers 12, 12 is a small hole,
Larger holes are formed in the peripheral area. In this way, the wind force in the width direction of the sorting wind is equalized, and the sorting accuracy can be improved.

Below the starting end side of the crushed rice wind selection path 4, a crushed rice transfer gutter 15 provided with a crushed rice transfer spiral 14 is disposed. , And supplies the polished rice from the dropping port at the end of the transfer to the polished rice passage 16 located at the center on the left and right sides of the polished rice receiving gutter 15. The configuration is such that the crushed rice is supplied from the end to the swinging sorting section C below. In addition, a pity receiving gutter 18 is arranged at the terminal side of the sliding rice receiving gutter 15 in the sliding rice breeze path 4, and a pity receiving spiral 18 is provided in the pity receiving gutter 18, and the transport direction is set to the left and right outer sides. The pity is supplied to the pity passage 19 provided below the pity receiving gutter 18 in the middle part in the left-right direction.

The trailing end of the rubbed rice passage 16 is a mixed rice fryer 2
0, and the crushed rice supplied to the mixed rice fryer 20 is fried and supplied to the rocking sorting section C, and is separated and sorted into paddy and brown rice by the rocking sorting device 23, The selected brown rice is fried by the brown rice fryer 21 and supplied to the grain sorting section D. In the grain sorting section D, for example, grains are sorted by a grain sorter rotating around a horizontal axis.

Next, the operation of the above configuration will be described.
When each part of the device is driven to rotate and the paddy is supplied to the hopper of the paddy-fryer 22, the paddy is fried and supplied to the paddy hopper 1,
The crushed rice is crushed by a pair of crushing rolls, and the crushed rice is supplied from the crushing room 2 through the crushed rice supply port 5 to the crushed rice wind selection path 4. The crushed rice supplied to the crushed rice wind selection path 4 is selected by the circulating sorting wind, and the light rice husks are blown off to the terminal side and dropped and sorted into the rice hull receiving trough 8 through the rice husk air path 6. Further, the rice husk is transferred to the terminal side by the rice husk transfer spiral 7, and then fed out by the rice hull feeding valve 9, and discharged to the outside through the rice husk discharge passage 11.

The relatively light pity is dropped and sorted by the pity receiving trough 18, transferred to the center from the left and right outer sides by the pity transfer spiral 17, and taken out of the machine through the pity passage 19. In addition, the crushed rice of the heavy paddy / brown rice is dropped and sorted into the crushed rice receiving trough 15, transferred to the center from the left and right outer sides by the crushed rice transfer spiral 14, and flows into the crushed rice passage 16. in this way,
The rice that has been dropped and sorted into the sliding rice trough 15 and the pity trough 18
Pity is transported from the left and right outside to the inside by the sliding rice transport spiral 14 and the pity transport spiral 17 to equalize the amount of grain transported on both the left and right sides, and the dust generated by jumping up during the transport process is also equalized. The rice is removed by the sorting wind and is sorted into clean rice and pity, thereby improving the accuracy of sorting rice and pity. Further, the sliding rice passage 16 and the pity passage 19 can be accommodated within the width of the sliding rice-style selection case 3 and can be reduced in size. Since the support members can be shared, the support configuration can be simplified.

The rice that has flowed down from the rice passage 16 is fried by a mixed rice fryer 20 and supplied to an oscillating sorting device 23 of an oscillating sorting section C where it is separated and sorted into paddy and brown rice. . The separated and sorted brown rice is fried by the brown rice fryer 21 and the grain sorting unit D
The rice is supplied to the mill, where it is sorted, and the refined brown rice from which small rice has been removed is taken out of the machine.

[Brief description of the drawings]

FIG. 1 is an overall side view.

FIG. 2 is an overall plan view.

FIG. 3 is a side sectional view of a main part.

FIG. 4 is a cutaway plan view of a main part.

[Explanation of symbols]

1 ... paddy hopper, 2 ... paddy room, 3 ... paddy rice style selection case, 4
… Sliding rice wind path, 5… Sliding rice supply port, 6… Rice husk path, 7
... Rice husk transfer spiral, 8 ... Rice husk gutter, 9 ... Rice hull discharge valve, 11 ... Rice husk discharge passage, 12 ... Blower, 13 ... Circulation air path, 14 ... Sliding rice transfer spiral, 15 ... Sliding rice gutter, 16
... Sliding rice passage, 17 ... Pity transfer spiral, 18 ... Pity reception gutter, 1
9 ... Pity passage, 20 ... Mixed rice fryer, 21 ... Brown rice fryer,
22: paddy fryer, 23: rocking sorter

Claims (1)

[Claims] 1. A rice sloping rice style selection path 4 is slopingly provided in a rice sloping rice style selection case 3, and a rice smashed rice is crushed by a rice hulling part A above the rice sloping rice style selection path 4. The supply port 5 for the supply of polished rice for supply is opened, and the riped rice receiving gutter 15 and the pity receiving gutter 18 are provided below the crushed rice flow path 4, and the rubbed rice receiving gutter 15 and the pity receiving gutter 18 are provided. In addition, the rice transport spiral 14 and the pity transport spiral 1 are transported inward from both sides.
7 is located below the left and right width of the smashed rice wind selection path 4 to receive the transported grains and take it out below.
6. A sliding rice-style selection device comprising a pity passage 19.