JPH03270736A - Huller - Google Patents

Abstract

PURPOSE:To efficiently scoop up grain by setting the intervals between the upper end parts of the side walls on a scooping-up side of a guide trough and the inner peripheral surface of a rotary sorting cylinder to large interval parts and setting the intervals on a non-scooping-up side to small interval parts. CONSTITUTION:The rice mixture enhanced in its unpolished rice ratio received by a rice mixture receiving trough 7 is guided to a discharge cylinder 12 by a rice mixture spiral 31 and supplied to the end part on a supply side of the rotary sorting cylinder 10 of the second sorter 9. Whereupon, only unpolished rice is scooped up by pot holes 10a, 10a... to fall in an unpolished rice receiving trough 11 and the rice mixture reduced in its unpolished rice ratio flows in a scooping-up cylinder 15 to be scooped up by blades 16, 16... and falls in a rice mixture receiving port 17 to meet with the hulled rice falling from dehulling rolls 1, 1 to be supplied to a sorter 5. The grain scooped up by the blades 16, 16... on the side of the rotary sorting cylinder 10 is largely scooped up to a guide trough B from large interval parts 32 and the falling thereof from small interval parts 33 is reduced and sorting accuracy is enhanced.

Description

[Detailed description of the invention]

[0001]

[Industrial application field]

The present invention relates to a hulling machine for sorting mixed rice of unhulled rice and brown rice using a rotating sorting cylinder having a large number of pot holes on its inner peripheral surface. [0002]

[Conventional technology]

The one disclosed in Japanese Utility Model Application Publication No. 57-12279 has a hulling device,
Rotary sorting tubes each having a large number of pot holes on the inner circumferential surface are installed in parallel in the front and back, and the discharge side of the rotary sorting tubes is located on the side of the hulling device to remove the remaining waste sorted by the rotary sorting tubes. The grain flowing to the side end is scooped up by a scooping blade that is integrally provided at the discharge side end of the rotary sorting tube and returned to the hulling device, and from the rotary sorting tube to the hulling device. There is a method that aims to streamline the grain reduction. [0003]

[Problem to be solved by the invention]

This conventional device takes into account the following issues in the receiving gutter that receives the grains scooped up by the scooping blades: the distance between the sidewall on the lifting side and the inner peripheral end of the scooping blade on the rotary sorting cylinder side, and the sidewall on the non-scooping side. and the inner peripheral end of the scooping blade on the rotary sorting cylinder side are configured to have substantially the same interval. Therefore, although the grains scooped up by the scooping blades pass through the gap between the scooping-side side wall of the receiving gutter and the inner peripheral end of the scooping blades on the rotary sorting cylinder side, a relatively large amount of grains can be scooped up. -The scooped grains jump over the receiving gutter and return to the rotating sorting tube from the gap between the non-scooping side wall of the opposite receiving gutter and the inner peripheral end of the scooping blade on the rotating sorting tube side. There were problems in that it fell and the scooping efficiency was insufficient. Therefore, the present invention attempts to eliminate such drawbacks. [0004]

[Means to solve the problem]

The present invention has taken the following technical measures to solve the problems of the prior art. That is, this invention comprises a hulling device A, and a hulling device A on the discharge side.
Located on the side, there are many pot holes 10a, 10a on the inner peripheral surface.
, . . , are arranged in parallel in the front and rear, and inside the rotary sorting tube 10, the wastes scooped up by the pot holes 10aloa, . . . from the supply side to the discharge side. A brown rice receiving trough 11 is provided to receive the brown rice, and a conveyor 28 is provided in the brown rice receiving trough 11 to transport the received brown rice to the hulling device A side, and a conveyor 28 is provided in the discharge side of the rotary sorting cylinder 10. The blades 16, 16, . On the inner circumferential side of...
In addition, it is located above the terminal end of the carrier 28 in a side view orthogonal to the front-rear direction, and includes the upper end of the side wall of the guide gutter B on the scooping side and the inner peripheral end of the blade 16 on the rotary sorting cylinder 10 side. and the upper end of the side wall on the non-scooping side of the guide gutter B and the rotary sorting cylinder 1.
The structure of the huller is characterized in that the spacing between the inner circumferential end of the blade 16 on the zero side and the inner circumferential end of the blade 16 is reduced to a small spacing section 33 that is smaller than the large spacing section 32.

【Example】

Hereinafter, one embodiment of the present invention will be specifically described based on the drawings. Reference numerals 1 and 1 denote a pair of dehulling rolls constituting the hulling device A, which are disposed below the supply funnel 2, and below which a husking air receiving trough 4 is provided across the sorting air passage 3. There is. 5 is a first sorting device, which has a large number of pot holes 6a, 6a, . . . on its inner surface.
A rotary sorting tube 6 that is horizontally suspended, and a mixed rice receiving gutter 7 provided with an open upper part inside the rotating sorting tube 6, one side end of the dropped rice receiving gutter 4. The grain lifting cylinder 8a of the grain lifting cylinder 8 provided in the section is configured to supply the fallen rice to the supply side end of the rotary sorting cylinder 6. [0006] Reference numeral 9 denotes a second sorting device, which has a large number of pot holes 10a, 10 on its inner surface.
a, . . . and consists of a rotary sorting tube 10 horizontally suspended below the rotary sorting tube 6, and a brown rice receiving trough 11 whose upper part is open inside the rotary sorting tube 10,
The mixed rice is transferred from the discharge tube 12 of the mixed rice receiving trough 7 to the rotating sorting tube 10.
It is configured to be supplied within the In this brown rice receiving trough 11, there is a conveying body 28 (in this embodiment, a rotatably provided auger) that conveys the brown rice received by the brown rice receiving trough 11 toward the hulling device A side. It is set up. The conveyor 28 and the end of the brown rice receiving gutter 11 communicate with a brown rice discharge gutter 25 provided below the sorting air path 3 via a brown rice falling path 24. 29 is a brown rice discharge helix provided inside the brown rice discharge gutter 25, and 26 is a brown rice discharge barrel for discharging the brown rice conveyed by the brown rice discharge helix 29. [0007] Further, on the discharge side of the rotary sorting tube 6, there is a socket 1 for receiving unhulled rice.
3, and the unhulled rice received by this is supplied to the dehulling rolls 1, 1 through a supply path 14, and a pump with a larger diameter than this is provided at the discharge end of the rotary sorting cylinder 10. Cylinder 1
5 is constructed, and on the inner surface of the pumping cylinder 15,
Wings 16, 16. ... is provided, and this pumping cylinder 15
A guide gutter B is provided inside. The guide trough B has a mixed rice receiving port 17 formed on its upper end side, and its terminal end is positioned above the terminal end of the carrier 28 when viewed from the side of the machine, so that the scooped grains can be transferred to the Depu roll 1
, 1 side. The mixed rice receiving port 17 has a first flow path 1 directed toward the top of the deflating roll 11.
8 and a second flow path 19 heading toward the dropped rice receiving trough 4 are connected, and at the branching part, mixed rice is flowed into the first flow path 18 and the second flow path 19 is connected to
A switching valve 20 is provided to allow the flow to flow into the flow path 19. [0008] Next, the relationship between the guide gutter B and the rotary sorting cylinder 10 will be explained. is configured in the large interval part 32 so that a relatively large amount of scooped grains flows into the guide gutter B, and the upper end of the side wall on the non-scooping side of the guide gutter B on the opposite side and the rotary sorting tube The interval between the inner circumferential end of the blade 16 on the 10 side and the small interval part 33 is smaller than the above-mentioned large interval part 32, so that the grains scooped up into the guide gutter B are well received. It is designed to be stopped and difficult to fall. [0009] In the figure, 21 is a dust evacuation sink, 22 is a No. 2 receiving gutter, 23 is a No. 2 conveying spiral, and 30 is provided in the fallen rice receiving gutter 4, and is used to collect the fallen rice and the second stream. This is a sliding rice helix that conveys the grains flowing from the path 19 to the grain lifting drum 8 side. Also, 31
is a mixed rice spiral that conveys the mixed rice scooped up by the pot holes 6a, 6a, . [0010] In the hulling machine configured as described above, the unhulled rice supplied into the supply funnel 2 falls and is crushed by about 80 degrees by rotation of the hulling rolls 1, 1.
Approximately % of the rice husks are peeled off and flowed down into the sorting air passage 3,
In this sorting air passage 3, the rice husks are sucked into the dust removal winnower 21, become washed-out rice, and reach the washed-off rice receiving trough 4.
0 into the grain lifting cylinder 8, and is supplied to the supply side end of the rotary sorting cylinder 6 of the first sorting device 5 through the grain lifting cylinder 8a. [0011] Then, when the rotary sorting cylinder 6 rotates counterclockwise in FIG. 2, the unhulled rice and brown rice that have entered the pot holes 6a, 6a... are drawn up, and the brown rice is mainly mixed with some unhulled rice. The brown rice ratio of the grains that fall into the receiving gutter 7 from above and are received in the mixed rice receiving gutter 7 increases from about 80% previously to nearly 95%. The unhulled rice that has been removed in this way falls from the discharge side end of the rotary sorting tube 6, is received by the receiving port 13, and passes through the supply path 14 to the dehulling rolls 1, 1. The rice is then husked together with the unhulled rice from the feed funnel 2. [0012] Further, the mixed rice whose brown rice ratio has been improved by stopping the receiving in the mixed rice receiving trough 7 is guided to the discharge tube 12 by the mixed rice helix 31,
From this, it is supplied to the supply side end of the rotary sorting tube 10 of the second sorting device 9. Then, due to the rotation of the rotary sorting tube 10, the pot holes 10a, 10a, . The mixed rice flows into the pumping cylinder 15 from the discharge side of the rotary sorting cylinder 10 and passes through the blades 16.
,16. ... is pumped up and falls into the mixed rice receiving port 17, and during continuous operation, the switching valve 20 switches the rice to the second flow path 1.
9, facing the rice receiving gutter 4, and removing the rice roll 1,
It joins with the fallen rice that has fallen from the first sorting device 5, and is supplied to the first sorting device 5, where the processing process is repeated. [0013] At the end of the work, when the unhulled rice is no longer being supplied from the supply funnel 2 to the dehulling rolls 1, 1, the switching valve 2 is turned off.
At 0, the mixed rice is passed through the first channel 18 and passed through the deflating rolls 1.
Supply to 1. Then, the unhulled rice discharged from the rotary sorting tube 6 and the mixed rice discharged from the rotary sorting tube 10 are dehulled by the dehulling rolls 1, 1, and the mixed rice is transferred to the first sorting device 5. The rice is no longer circulated only between the second sorting device 9 and the dropped rice receiving trough 4, but instead passes through the phu rolls 1, 1, thereby speeding up the phuting action. Further, the brown rice received in the brown rice receiving trough 11 is transported by the transporting body 28 toward the hulling device A side, and then from the end of the transport via the brown rice falling path 24 to the vicinity of the dropped rice receiving trough 4. You will be guided to the brown rice discharge gutter 25 provided. In addition, during continuous operation, the mixed rice discharged from the second sorting device 9 is mixed with the scraped rice by automatic or manual operation of the switching valve 20, and the brown rice of the mixed rice is passed through the scraping rolls 1, 1. The process is carried out without any separation, and at the end of the work, the mixed rice is fed to the rolls 1, 1 which are taken off, so that the process is completed quickly, and in addition, the amount of rice remaining is reduced. [0014]

【Effect of the invention】

The grains flowing to the discharge side of the rotary sorting tube 10 are removed by blades 16, 16 that are integrally attached to the discharge side of the rotary sorting tube 10.
．． When scooping rice into the guide gutter B on the side of the hulling device A, the distance between the upper end of the side wall on the scooping side of the guide gutter B and the inner peripheral side end of the blade 16 on the rotary sorting cylinder 10 side is determined. In addition, the gap between the upper end of the side wall of the guide gutter B on the non-scooping side and the inner circumferential end of the blade 16 on the rotary sorting cylinder 10 side is formed as the small interval part 33. , blades 16, 16 on the rotary sorting tube 10 side. A relatively large amount of the grains scooped up by ... are scooped up into the guide gutter B from the large interval section 32, and less of the grains scooped up into the guide gutter B fall from the small interval section 33. Therefore, the rotating sorting cylinder 10
Wings 16, 16. It is possible to improve the efficiency of scooping up grains from ... to the guide gutter B, and to reduce the amount of grains falling during scooping into the brown rice receiving gutter 11, thereby improving the accuracy of sorting brown rice. .

[Brief explanation of drawings]

[Figure 1] Overall cutaway side view

[Figure 2] Cutaway front view of part of it

[Figure 3] Cutaway front view of part of it

[Explanation of symbols]

A. Husking device B Guide gutter １　Deppu roll 2 Supply funnel 3 Sorting air path 4 Dropped rice catcher 5 First sorting device 6 Rotating sorting tube 6a pot hole 7 Mixed rice catcher 8 Grain barrel 8a Fried grain cylinder Second sorting device O-rotating sorting tube Oa pot hole 1 Brown rice catcher 2 Discharge tube 3 Socket 4 Supply route 5 Pumping cylinder 6 wings 7 Mixed rice receiver 8 First flow path 9 Second flow path O switching valve 1. Dust removal kink 22nd gutter No. 32 transport helix 4 Brown rice fall road 5 Brown rice discharge gutter 6 Brown rice discharge barrel 8 Transport body 9 Brown rice discharge screw O sliding rice spiral 1 Mixed rice spiral 2 Large gap part 3 Small interval part

[Document person]

drawing

[Figure 1]

[Figure 2]

[Figure 3]

Claims (1)

[Claims] Claim 1: A rice hulling device A, a discharge side located on the hulling device A side, and a large number of pot holes 10a, 10a, . . . on the inner peripheral surface.
The rotary sorting tube 10 configured with
Inside this rotary sorting tube 10, a brown rice receiving gutter 11 is provided for receiving the brown rice scooped up by the pot holes 10a10a, . . . from the supply side to the discharge side.
A conveying body 28 is installed inside to convey the received brown rice to the hulling device A side, and blades 16, 16, . The starting end side of the guide gutter B, which is integrally attached and whose terminal end side communicates with the hulling device A, is on the inner peripheral side of the blades 16, 16, . . .
In a side view perpendicular to the front-rear direction, the carrier 28
The gap between the upper end of the side wall on the scooping side of this guide gutter B and the inner circumferential end of the blade 16 on the side of the rotary sorting cylinder 10 is set to the large interval part 32, and the guide gutter In B, the distance between the upper end of the side wall on the non-scooping side and the inner peripheral end of the blade 16 on the rotary sorting cylinder 10 side is formed into a small interval part 33 smaller than the large interval part 32. Characteristic rice hulling machine.