JP2501956B2 - Huller - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hulling machine for sorting mixed rice of unhulled rice and brown rice with a rotary sorting tube having a large number of pot holes formed on the inner peripheral surface thereof.

[0002]

2. Description of the Related Art In Japanese Utility Model Laid-Open No. 57-12279, a hulling device and a rotary sorting cylinder having a large number of pot holes formed on the inner peripheral surface thereof are arranged side by side in the front and rear. The discharge side of the is located on the side of the hulling device, and the grains that have flowed to the remaining discharge side end sorted by the rotary sorting cylinder are integrally scooped at the discharge side end of the rotary sorting cylinder. There is a configuration in which the blades are scooped up and returned to the grain hulling device to streamline the grain reduction from the rotary sorting cylinder to the grain hulling device.

[0003]

This conventional device is intended to rationalize the reduction of grains from the rotary sorting cylinder to the hulling device. The transport direction is the direction away from the hulling device,
Moreover, only the gutters for returning the grains are provided on the side of the hulling device below the scooping blades, and the grain receiving gutters are provided under the rotating scooping part and the returning gutters on the upper part of the scooping blades. However, even if the grain scooped up by the scooping blades spills on the way, there is no problem that the sorting accuracy falls into the lower grain receiving trough. However, like the invention of the present application, the hulling device A and the rotary selection cylinder 10 having the discharge side located on the hulling device A side and having a large number of pot holes 10a, 10a, ... Are arranged side by side in front and back, and in the rotary selection cylinder 10 is provided an open-open brown rice receiving trough 11 for receiving the brown rice scooped up by the pot holes 10a, 10a, ... Between the supply side and the discharge side. Along with this, the brown rice receiving trough 11 is provided with a carrier 28 that conveys the received brown rice to the hulling device A side and takes it out of the rotary sorting cylinder 10, and the grain is provided on the discharge side in the rotary sorting cylinder 10. , Which are capable of scooping up, are integrally attached, that is, on the inner peripheral side of the scooping blades 16, 16, ...
In the type of paddy hull sorting machine having the above-mentioned arrangement, the following other problems which do not exist in the above-mentioned prior art occur. That is, as in the prior art of the second cited example, the distance between the side wall on the scooping side and the inner peripheral end of the scooping blade on the rotary selection cylinder side in the receiving trough that receives the grains picked up by the scooping blade, and , If the distance between the side wall on the non-scooping side and the inner peripheral edge of the scooping blade on the rotary selection cylinder side is configured to be approximately the same, the scooping blades 16, 16, ... Once the grains that have been scooped jump over the guide gutter B and spill onto the open top type brown rice gutter 11 and the rotary sorting cylinder 10, the accuracy of sorting the brown rice in the brown rice gutter 11 decreases, There is a problem that the scooping efficiency becomes poor. Therefore, the present invention is intended to solve such a problem.

[0004]

The present invention has taken the following technical means in order to solve the problems of the prior art. That is, according to the present invention, the hulling device A and the discharge side are located on the hulling device A side, and a large number of pot holes 10a, 10a are formed on the inner peripheral surface.
A rotary selection cylinder 10 having a, ... Is arranged side by side in the front and rear, and inside the rotary selection cylinder 10 is scooped up by the pot holes 10a, 10a, ... Between the supply side and the discharge side. An upward-opening type brown rice gutter 11 for receiving brown rice is provided, and the brown rice received in the brown rice gutter 11 is used for the hulling device A.
A conveying body 28 for carrying out to the outside of the rotary sorting cylinder 10 is provided, and wings 16 capable of scooping grains are integrally mounted on the discharge side in the rotary sorting cylinder 10 and the end side is The starting end side of the guide gutter B communicating with the hulling device A is located on the inner peripheral side of the blades 16, 16, ... And above the end part of the carrier 28 in a side view orthogonal to the front-rear direction. The guide gutter B has a large gap 32 between the upper end of the side wall on the scooping side and the inner peripheral end of the blade 16 on the rotary selection cylinder 10 side, and also on the non-scooping side of the guide gutter B. An interval between the upper end of the side wall and the inner peripheral end of the blade 16 on the rotary selection tube 10 side is configured to be a small interval portion 33 smaller than the large interval portion 32. It is configured.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the drawings. Numerals 1 and 1 are a pair of removing rolls constituting the hulling device A, which are arranged below the supply funnel 2 and below which a sorting air passage 3 is laid down and a sliding rice gutter 4 is provided. There is. 5 is a first sorting device, which has a large number of jar holes 6a,
6a, ... and a horizontally-separated rotary sorting cylinder 6, and a mixed rice gutter 7 provided in the rotary sorting cylinder 6 with an open upper side.
So that the fried cylinder 8a of the fried drum 8 provided at one end of the scraped rice receiving gutter 4 supplies the scraped rice to the supply side end of the rotary selection cylinder 6. It is configured.

Reference numeral 9 denotes a second sorting device, which has a large number of jar holes 10a, 10a, ... on its inner surface and which is horizontally laid below the rotary sorting cylinder 6 and the rotary sorting cylinder 10. It is composed of a brown rice receiving trough 11 whose upper part is opened inside, and is configured so that the mixed rice is supplied from the discharge tube 12 of the mixed rice receiving trough 7 into the rotary selection tube 10. Then, in the brown rice receiving trough 11, a transfer body 28 (in this embodiment, rotatably provided auger) for transferring the brown rice received by the brown rice receiving trough 11 toward the rice hulling apparatus A side.
Is provided. Then, the carrier 28 and the brown rice gutter 1
The end portion of 1 is the sorting air passage 3 through the brown rice drop passage 24.
It is configured to communicate with a brown rice discharge gutter 25 provided below. Two
9 is a brown rice discharging spiral provided in the brown rice discharging gutter 25, 26
Is a brown rice discharging cylinder for discharging the brown rice conveyed by the brown rice discharging spiral 29.

On the discharge side of the rotary sorting cylinder 6, there is a receiving port 13 for receiving unhulled rice, so that the unhulled rice thus received is supplied to the depuffing rolls 1, 1 through a supply path 14. The pumping cylinder 15 having a larger diameter than that of the pumping cylinder 15 is formed at the discharge end of the rotary selection cylinder 10.
Wings 16, 16, ... Are provided on the inner surface of, and a guide gutter B is provided inside the pumping cylinder 15. The guide gutter B has the mixed rice receiving port 17 formed on the upper end side, and the end side is located above the end part of the carrier 28 in a side view of the machine body to scoop up the scooped grains. It is configured so that it can be guided to the removing rolls 1 and 1. And
The mixed rice receiving port 17 is connected to a first flow path 18 directed to the top of the removing rolls 1 and 1 and a second flow path 19 directed to the slide-down rice receiving trough 4, and the mixed rice is supplied to the branch portion. A switching valve 20 is provided which allows the first flow path 18 and the second flow path 19 to flow.

Next, the relationship between the guide trough B and the rotary selection tube 10 will be described. The rotation selection tube 10 rotates counterclockwise, which is the direction of the arrow in FIG. The interval between the upper end of the side wall and the inner peripheral end of the blade 16 on the side of the rotary selection cylinder 10 is configured to be the large interval portion 32 so that a relatively large amount of the scooped grain flows into the guide trough B, Further, the interval between the upper end of the side wall of the guide gutter B on the opposite side on the non-scooping side and the inner peripheral end of the blade 16 on the side of the rotary selection cylinder 10 is smaller than the large interval 32. 33
In this configuration, the grains scooped up by the guide gutter B are well received and are unlikely to fall.

In the figure, reference numeral 21 denotes a dust slag trash, 22 denotes a second gutter, 23 denotes a second conveying spiral, and 30 is provided in a sliding rice gutter 4. This is a slide-down rice spiral that conveys the grains flowing from the path 19 to the fried drum 8 side. Further, 31 is a pothole 6a, 6a, ...
It is a mixed rice spiral which is scooped up by and is conveyed to the discharge tube 12 side of the mixed rice received by the mixed rice receiving gutter 7.

In the huller constructed as described above, the hulled rice fed into the feeding funnel 2 drops and about 80% of the hulls are peeled off by the rotation of the depulling rolls 1 and 1 to move downward. It flows down to the sorting wind passage 3, and in this sorting wind passage 3, paddy grains are sucked up by the sewage deer Kara 21 and become the scraped rice to reach the slide-down rice receiving trough 4 and be fried in the slide-down rice spiral 30. It is sent to the inside of the grain barrel 8 and is supplied to the end portion on the supply side of the rotary sorting cylinder 6 of the first sorting device 5 through the fried grain barrel 8a.

Then, when the rotary selection cylinder 6 rotates counterclockwise in FIG. 2, the paddy rice and brown rice that have entered the pot holes 6a, 6a, ... Are pumped up, and the brown rice is mainly mixed with some paddy rice to receive the mixed rice. The brown rice rate of the grains dropped into the gutter 7 from above and received in the mixed rice receiving trough 7 is close to 95% with the brown rice rate increasing from about 80%. In this way, the unpolished brown rice, which is almost entirely unhulled rice,
It falls from the discharge side end of the rotary sorting cylinder 6, is received by the receiving port 13, is supplied to the removing rolls 1 and 1 via the supply path 14, and is removed together with the paddy rice from the supply funnel 2.

The mixed rice, which is received by the mixed rice receiving gutter 7 and has an increased brown rice ratio, is mixed with the mixed rice spiral 31 and the discharge pipe 1 is provided.
2 to the rotary sorting cylinder 10 of the second sorting device 9
Is supplied to the end of the supply side. Then, by the counterclockwise rotation of the rotary selection tube 10, small grains of brown rice are pumped up in the pot holes 10a, 10a, ... And dropped into the brown rice trough 11.
The mixed rice from which a large amount of brown rice has been extracted in this way and whose brown rice ratio has decreased flows into the pumping cylinder 15 from the discharge side of the rotary sorting cylinder 10 and similarly rotates in the counterclockwise direction.
6, 16 ..., Dropped into the mixed rice receiving port 17, and during continuous operation, the switching valve 20 causes the second flow path 19 to flow.
Flowed through the inside, facing the scraped rice receiving gutter 4, removing rolls 1, 1
It joins with the scraped rice dropped from, is supplied to the 1st sorting apparatus 5, and repeats the said process process.

At the end of the work, the supply funnel 2
When the paddy rice is no longer supplied to the removing rolls 1 and 1, the mixed rice is supplied to the removing rolls 1 and 1 through the first flow path 18 by the switching valve 20. Then, the paddy rice discharged from the rotary sorting cylinder 6 and the mixed rice discharged from the rotary sorting cylinder 10 come to be removed by the removing rolls 1 and 1, and the mixed rice is fed to the first sorting device 5 and the second sorting device. There is no need to circulate only between the sorting device 9 and the scraped rice receiving gutter 4, and the removing rolls 1, 1
Will be passed through, and the removal action can be accelerated. Further, the brown rice received by the brown rice receiving gutter 11 is conveyed by the conveying body 28 toward the hulling device A side, and then, from the conveyance end through the brown rice dropping path 24, the slide rice receiving gutter 4
Is guided to a brown rice discharge gutter 25 disposed in the vicinity of.
In addition, during continuous operation, the mixed rice discharged from the second sorting device 9 is merged with the scraped rice by the automatic or manual operation of the switching valve 20, and the brown rice in the mixed rice is passed through the dep rolls 1 and 1. Without any shaving, and at the end of the work, supply the mixed rice to the dep rolls 1 and 1 to finish the processing quickly,
In addition, it has the feature of reducing residual rice.

[0014]

EFFECT OF THE INVENTION Grains picked up by the blades 16, 16, ... On the side of the rotary selection cylinder 10 are picked up by the relatively large amount from the large interval portion 32 to the guide gutter B and at the same time scooped by the guide gutter B. The spillage of the obtained grains from the small gap portion 33 is reduced, and the efficiency of scooping the grains from the blades 16, 16, of the rotary selection cylinder 10 to the guide trough B can be improved, and
The spillage of paddy grains into the brown rice receiving trough 11 during scooping is reduced, and the accuracy of selecting brown rice can be improved.

[Brief description of drawings]

[Figure 1] Whole cut side view

FIG. 2 is a partially cutaway front view of FIG.

FIG. 3 is a cutaway front view of a part thereof.

[Explanation of symbols]

 A Rice hulling device B Guide gutter 1 Depulling roll 2 Supply funnel 3 Sorting air passage 4 Sliding rice receiving gutter 5 First sorting device 6 Rotating sorting cylinder 6a Jar hole 7 Mixed rice receiving gutter 8 Lifting barrel 8a Lifting barrel 9 Second sorting device 10 Rotating sorting cylinder 10a Vase hole 11 Brown rice gutter 12 Discharge cylinder 13 Receiving port 14 Supply path 15 Pumping cylinder 16 Wing 17 Mixed rice receiving opening 18 First flow path 19 Second flow path 20 Switching valve 21 Discharge Dust Karako 22 No. 2 Gutter 23 No. 2 Conveyor spiral 24 Brown rice drop path 25 Brown rice discharge gutter 26 Brown rice discharge cylinder 28 Conveyor 29 Brown rice discharge spiral 30 Sludge rice spiral 31 Mixed rice spiral 32 Large interval part 33 Small interval part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliographic references Sho 57-12234 (JP, U)

Claims (1)

(57) [Claims] 1. A huller device A and a rotary selection cylinder 10 whose discharge side is located on the huller device A side and which has a large number of pot holes 10a, 10a, ... In parallel with this, the upper open type brown rice gutter 11 for receiving the brown rice scooped up by the pot holes 10a, 10a, ... Is provided in the rotary selection cylinder 10 from the supply side to the discharge side. The brown rice receiving trough 11 is provided with a carrier 28 that conveys the received brown rice to the hulling device A side and takes it out of the rotary sorting cylinder 10, and scoops grains on the discharge side in the rotary sorting cylinder 10. The blades 16, 16 that can be attached are integrally attached, and the end side of the guide trough B communicating with the hulling device A is attached to the blades 16, 1.
Provided on the inner peripheral side of 6, ... and above the end portion of the carrier 28 in a side view orthogonal to the front-rear direction, and the upper end of the side wall of the guide gutter B on the scooping side and the rotary selection tube. The distance between the blade 16 on the 10 side and the inner peripheral end of the blade 16 is set to the large gap portion 32, and the upper end of the side wall of the guide gutter B on the non-scooping side and the inner peripheral end of the blade 16 on the rotary selection cylinder 10 side. A hulling machine characterized in that the intervals are arranged in small intervals 33 smaller than the large intervals 32.