JPS6397276A - Cereal grain feeder for cereal grain selector - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a grain sorting device for sorting mixed rice of paddy and brown rice using a rotating sorting cylinder having a large number of pot holes on its inner circumferential surface. It is something.

[Prior art]

There is a grain sorting device that separates a mixture of paddy and brown rice by rotating a rotary sorting tube, which has a large number of pot holes on its inner circumferential surface, around a horizontal axis. A finishing gutter for receiving finished rice is installed horizontally, and a feed gutter for transporting the grains to be sorted from the discharge side of the rotary sorting cylinder to the supply side is installed horizontally within this rotary sorting cylinder. Some have a main supply port in the middle and an intermediate supply port in the middle.

[Problem that the invention seeks to solve]

In this conventional device, the feed gutter that conveys the grains to be sorted from the discharge side of the rotary sorting tube to the supply side is provided with a main supply port and an intermediate supply port, so that the grains are covered with the rotary sorting tube. The layer thickness of sorted grains is equalized from the supply side to the discharge side, which is convenient for grain sorting, but in this conventional device, the supply from the intermediate supply port is formed by the rotation of the rotary sorting tube. The grains to be sorted were fed to the lower end of the fluidized bed.

This fluidized bed of grains to be sorted has a high mixing ratio of unhulled rice at the lower end, a high ratio of brown rice at the upper part excluding the lower end, and this part with a high mixing ratio of unhulled rice is covered from the intermediate supply port. When sorted grains are supplied, the flow of the part of the fluidized bed with a high proportion of unhulled rice from the supply side to the discharge side is obstructed, and the discharge of unhulled rice from the discharge end is delayed, reducing sorting efficiency. There was a problem with that.

Therefore, the present invention solves the drawbacks of the conventional device by arranging the intermediate supply port of the feed gutter which conveys the grains to be sorted from the discharge side of the rotary sorting tube to the supply side at a specific position, thereby reducing the ratio of unhulled rice. The purpose is to improve the sorting efficiency by smoothing the flow of high-quality grains to the discharge side.

[Means to solve the problem]

The technical means of the present invention for solving such technical problems is to provide a finishing rice gutter 16 for receiving brown rice in a rotary sorting cylinder 11 which has a large number of pot holes in its inner peripheral surface and rotates around a horizontal axis. In this rotary sorting tube 11, there is a mechanism for conveying the grains to be sorted from the discharge side of the rotary sorting tube 11 to the supply side, and supplying the grains to be sorted from the conveyance end to the supply side of the rotary sorting tube 11. A feed gutter 14 is installed horizontally, and the middle part of the feed gutter 14 is used to drop and feed the grains to be sorted to the upper side of the fluidized bed of the grains to be sorted in the rotary sorting tube 11 except for the lower end. The grain feeding device of the grain sorting device is characterized in that an intermediate feeding port 14b is provided.

[Function and effect of the invention]

The mixed rice in the rotary sorting tube 11 is drawn up by the pot hole of the rotary sorting tube 11 and undergoes a sorting action, and sequentially flows from the supply end to the discharge end of the rotary sorting tube 11. The middle part of the feed gutter 14 that conveys the grains to be sorted from the discharge side of the tube 11 to the supply side transports the grains to be sorted to the upper side of the fluidized bed of the grains to be sorted in the rotary sorting cylinder 11 except for the lower end. Intermediate feed port capable of dropping feed 14. b, so that newly supplied grains to be sorted do not fall to the lower end of the fluidized bed of grains to be sorted, where the ratio of unhulled rice is relatively high. The flow to the side is not disturbed by newly supplied grains to be sorted, and the flow to the discharge side is faster = 3-, which reduces the chances of the rotary sorting cylinder 11 fitting into the pot hole. As a result, the chances of brown rice fitting into the pot hole are increased, and the sorting efficiency can be improved.

〔Example〕

Embodiments of the invention shown in the drawings will be described below.

First, the structure of the embodiment will be described. Reference numeral 1 denotes a husking section, and this husking section 1 is connected to a paddy tank 2. A pair of depu rolls 3
, 3, etc. Reference numeral 4 denotes a sloughed rice wind sorting path, in which the sloughed rice from the husking section 1 is sorted by the sorting air generated by the suction fan chamber 5 in front, and the rice husks are passed from the suction fan chamber 5 through the dust exhaust pipe 6. Discharged from the machine, the mixed rice of brown rice and paddy falls into the sliding rice receiving gutter 7 below, and the mixed rice that has fallen into the sliding rice receiving gutter 7 is also transferred to the mixed rice receiving gutter in the mixed rice grain lifting machine 8. It is configured to be transported to the starting end of the supply gutter 14 which also serves as the feeder.

Reference numeral 10 denotes a sorting case, and inside the sorting case 10 there is provided a supply side end (as shown in FIG. The right side) and the discharge side end (left side in FIG. 3) are rotatably supported by drive rollers 12.12. Inside this rotary sorting cylinder 11, there is a supply 'JfI114 with a supply helix 13.
A finishing rice gutter 16 with a finishing rice helix 15 is suspended horizontally.

This supply 4ii14 and finished rice @16 are transferred to the rotary sorting cylinder 1.
1, as shown in FIG. The mixed rice scooped up by the pot hole of the rotary sorting cylinder 11 falls into the supply gutter 14,
The rice is transferred to the terminal end of the supply gutter 14 by the supply helix 13, and the feed gutter 14 also functions as a mixed rice receiving gutter. The discharge side end of the finishing rice gutter 16 is connected to the finishing rice barley 1119 via the finishing rice flow lower tube 17 and the finishing rice stream grain board 18, and the finished rice is passed through the finishing rice flow lower tube 17 and the finishing rice grain plate 18. The brown rice that is wind-selected while falling from 18 to the finished rice receiving gutter 19 and flows down to the finished rice barley @ 19 is sent to the finished rice lifting machine 2.
0 to the outside of the machine.

A pumping cylinder 21 is connected to the discharge side end of the rotary sorting cylinder 11. Reference numeral 22 denotes a paddy return gutter, and the upper end of the paddy return gutter 22 extends to a position below the pumping of the pumping cylinder 21 on the rotary sorting cylinder 11 side, and collects the paddy that has been pumped upward by the pumping cylinder 21. , has a function of returning to the de-peeling section 1.

Next, to explain the supply port of the supply gutter 14, at the terminal end of the supply gutter 14, that is, at the supply side end of the rotary sorting tube 11,
A main supply port 14a is provided, and the main supply port 14a opens downward so that the newly supplied grains to be sorted fall to the lower end of the fluidized bed formed by the rotation of the rotary sorting tube 11. The structure is such that the grains fit smoothly into the pot hole. Reference numeral 14b denotes an intermediate supply port opened in the middle part of the supply gutter 14, through which grains fall into the upper part of the fluidized bed formed by the rotation of the rotary sorting tube 11, excluding the lower end. It opens horizontally and diagonally downward. Note that 23 is a motor that adjusts the size of the intermediate supply port 14b.

Further, 24 is a plate-shaped layer thickness detector disposed so as to span from the main supply port 14a to the intermediate supply port 14b of the supply gutter 14,
This layer thickness detection device contacts the upper surface of the fluidized bed of grains to be sorted in the rotary sorting tube 11 and moves up and down depending on the increase or decrease in the amount of grains to be sorted, and detects the amount of grains to be sorted. 24 is a layer thickness detection shaft 25 which is pivotally supported on the sorting case 10 so as to be able to move up and down, and the end of the layer thickness detection shaft 25 on the side of the shedding section 1 is connected to an interlocking member (made of an arm, a rond, etc.). (not shown) is interlocked and connected to the paddy supply control valve 26 of the phusher section 1,
When the layer thickness detector 24 detects an increase in the number of grains to be sorted, the paddy supply control valve 26 is controlled to the decrease side, and
When the layer thickness detector 24 detects a decrease in the number of grains to be sorted, the paddy supply control valve 26 is controlled to increase the number of grains to be sorted. Note that 27 is a reducing species provided on the discharge side of the intermediate supply port 14b.

Next, the operation of the embodiment will be explained. When carrying out the hulling operation, the rice grains are supplied to the rice tank 2, and each rotating part of the hulling machine is driven. Then, the paddy supplied from the paddy tank 2 to the phusher section 1 is subjected to the dehulling action, the scraped rice is sorted in the lower scraped rice wind sorting path 4, and the rice husks are discharged from the dust exhaust pipe 6 to the outside of the machine. Ru.

The mixed rice of brown rice and paddy falls into the sliding rice receiving trough 7, is lifted up and supplied to the starting end side of the supply trough 14 on the rotary sorting cylinder 11 side by the mixed rice lifting machine 8, and is fed to the supply helix in the supply trough 14. It is supplied to the middle part and the supply side end part of the rotary sorting tube 11 from the intermediate supply port 14b and the main supply port 14a of No. 13.

Next, the mixed rice is scooped up by the pot hole of the rotary sorting cylinder 11 which is rotating clockwise in FIG. , the unsorted mixed rice that has fallen into the supply gutter 14 is sorted, and the unsorted mixed rice that has fallen into the feed gutter 14 is fed into the rotary sorting cylinder 11 again from the intermediate supply port 14b and the main supply port 14a of the supply gutter 14 by the supply helix 13. and re-screened.

Further, the finished rice that has fallen into the finishing rice gutter 16 is conveyed to the finishing rice flow lower cylinder 17 by the finishing rice helix 15, and is transferred to the finishing rice flow grain plate 18.
While falling into the finished rice receiving trough 19, the rice is sorted by a sorting wind and taken out of the machine by the finished rice lifting machine 20.

The sorted paddy sent to the discharge side end of the rotary sorting cylinder 11 is
The paddy enters the pumping cylinder 21, is pumped up by the pumping cylinder 21, falls into the upper paddy-reducing gutter 22, is returned to the husking section 1, and is again subjected to the husking action in the husking section 1.

The hulling and sorting work is carried out as described above, and the mixed rice in the rotating sorting tube 11 is pumped up through the pot hole of the rotating sorting tube 11 and subjected to sorting action, and is sequentially transferred to the supply side of the rotating sorting tube 11. The grains to be sorted flow from the end to the discharge side end, and the grains to be sorted are transferred to the middle part of the feed gutter 14 that conveys the grains from the discharge side to the supply side of the rotary sorting tube 11. Since an intermediate supply port 14b is provided that can drop and supply the fluidized bed to the upper side excluding the lower end of the fluidized bed,
Since the newly supplied grains to be sorted do not fall into the lower end of the fluidized bed of the grains to be sorted, where the ratio of unhulled rice is relatively high, the flow of grains with a high ratio of unhulled rice to the discharge side is renewed. It is not disturbed by the supplied grains to be sorted, and the flow to the discharge side becomes faster, reducing the chance of grains with a high proportion of unhulled rice getting stuck in the pot hole, and grains with a high proportion of brown rice. The chance of the brown rice getting stuck in the pot hole increases, and the pumping rate of brown rice increases.
This makes it possible to improve sorting efficiency.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is a cutaway side view, FIG. 2 is a cutaway rear view, and FIG. 3 is a cutaway side view. Explanation of symbols 1 Slipping section 2 Paddy tank 3 Scraping roll 4 Slipped rice wind sorting path 5 Suction fan room 6 Dust exhaust tube 7 Slipped rice catcher 8 Mixed rice lifting machine 10 Sorting case 11 Rotating sorting tube 12 Drive roller 1
3 Supply helix 14 Supply gutter 14a Main supply port 14b Intermediate supply port 15 Finished rice helix 16
Finishing rice gutter 16a Finishing rice regulating valve 17 Finishing rice flow lower tube 18 Finishing rice flow grain plate 19 Finishing wooden receiver @
20 Finished rice lifting machine 23 Motor 24 Layer thickness detector 25 Layer thickness detection shaft 26 Paddy supply control valve 2
7 Reduced species

Claims (1)

[Scope of Claims] [1] Finished rice trough 16 for receiving brown rice in a rotary sorting cylinder 11 which has a large number of pot holes in its inner peripheral surface and rotates around a horizontal axis.
is provided in the rotary sorting tube 11 for conveying the grains to be sorted from the discharge side of the rotary sorting tube 11 to the supply side, and supplying the grains to be sorted from the conveyance terminal end to the supply side of the rotary sorting tube 11. A feed gutter 14 that can be separated is installed horizontally, and the middle part of the feed gutter 14 supplies the grains to be sorted falling to the upper side of the fluidized bed of the grains to be sorted in the rotary sorting tube 11 except for the lower end. A grain supply device for a grain sorting device, characterized in that an intermediate supply port 14b is provided.