JPS61129084A - Cereal grain selector - Google Patents

Abstract

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

Description

[Detailed description of the invention] [Industrial application field] and σ) &! ! Open page mrtiryr
This relates to a grain sorting device that sorts mixed rice of paddy and brown rice using a rotating sorting tube that has a rotary sorting tube.

[The problem to be solved by the prior art and the invention] A rotary sorting tube with a large number of potholes on its inner circumferential surface is used to separate paddy and rice.
In a grain sorting device for sorting mixed brown rice, the grains are picked up by the rotation of a rotary sorting tube and are received in an upper grain gutter and sorted into brown rice and paddy. On the discharge side of the rotary sorting tube, grains that have been picked up by the rotary sorting tube and do not reach the upper grain gutter are guided down from the front side of the rotation to the rear side of the rotation of the rotary sorting tube. There is a rebate shelf provided.

When sorting grains with this rotary grain sorting device, when selecting grains with a high shedding rate in the hulling section,
The grains flow downward on the reduction shelf and are guided to the rear of the flow stack of grains to be sorted in the rotary sorting tube, and the brown rice, which is contained in a large amount in the grains, is inserted into the pot hole of the rotary sorting tube. Therefore, it is necessary to increase the sorting efficiency, and when sorting grains with a low shedding rate in the hulling section, grains with a large amount of paddy tend to stagnate in the rotary sorting tube, and the rotary sorting tube It is necessary to quickly move the grains inside to the discharge side, and it is advantageous not to reduce the grains with a reducing machine because the flow of grains to the discharge side of the rotary sorting cylinder will be faster and prevent grain clogging. becomes.

Therefore, the present invention attempts to solve the above-mentioned problems by adjusting the reducing machine in accordance with the shedding rate of the scraped rice in the threshing section.

[Means to solve the problem]

The technical configuration of the present invention for solving this technical problem is a rotary sorting machine having a large number of pot holes on the inner peripheral surface.
Grain troughs 14 and 16 for receiving the grains sorted by the rotary sorting tube 11 are arranged in the rotary sorting tube 11. A reducing machine 27 that guides grains that have not reached the grain gutter 14, 16 from the rotational front side of the rotary sorting cylinder 11 to the rotational rear side of the rotary sorting tube 11 is arranged so that the size of the reduced grain size can be adjusted freely. , When the shedding rate detection sensor 32 detects the shedding status of the scraped rice in the shedding section 1, the reducing machine 27 is set to the reduction side when a low hulling rate is detected, and when a high hulling rate is detected, the reducing machine 27' fc The structure is such that the related adjustment is made to increase the amount of particle killing by reduction.

[Action/effect of the invention]

When selecting grains with a high rate of pleasure, increase the amount of grain reduction in the reducing machine 27, and remove grains containing a large amount of brown rice from the front side of the rotary sorting cylinder 110 revolutions. The grains are guided down to the rear side of the rotation and returned to the rear of the flow stack of the rotary sorting tube 11 1, so that grains with a large amount of brown rice can fit well into the pot holes of the rotary sorting tube 11, knotted, and returned to the reducing machine 27. reduce the number of reduced grains in the rotary sorting cylinder 11 to speed up the flow of grains to the discharge side in the rotary sorting cylinder 11, thereby preventing grain clogging in the rotary sorting cylinder 11,
This allows for smooth grain sorting work.

〔Example〕

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

First, to explain the structure of the embodiment, (1) is a phushulling section, and this phushutting section (11 is composed of a paddy tank, 2+, a pair of phushulling rolls, 3 nagiyu, etc.), 4 - In the sloughed rice wind sorting path, the sloughed rice from the shedding section 1 is sorted by the sorting wind generated by the suction fan chamber 5 in the front.

The rice husks are discharged from the suction fan chamber 5 through the dust exhaust pipe 6, and the mixed rice of brown rice and paddy falls into the sliding rice receiving trough 7 below. The mixed rice is transported by the mixed rice lifting machine 8 to the starting end of a supply gutter 14 which also serves as a mixed rice receiving gutter.

Reference numeral 10 denotes a sorting case, and inside the sorting case 10, there is a supply side end (on the right side in FIG. 1) so that a rotary sorter 811, which has a large number of pot holes on its inner peripheral surface, can rotate in a substantially horizontal state. and the discharge side end (left side in Figure 1) to drive roller 1.
．． 2.12 is rotatably supported. A supply gutter 14 having a supply helix 13 and a finishing rice gutter αQ having a finishing rice helix 15 are horizontally disposed inside the rotary sorting cylinder 11.

Regarding K, in which the supply gutter 14 and the finished rice gutter 16 are disposed inside the rotary sorting tube 11, the supply gutter 14 is placed on the side rotating from the bottom to the top of the rotary sorting tube 11, as shown in FIG. The finishing rice gutter αQ is placed on the rotating side of the rotary sorting tube 11 from the top to the one side, and the mixed rice scooped up by the pot hole of the rotary sorting tube 11 falls into the supply gutter 14 and is supplied by the supply helix 13. The rice is transferred to the terminal end of the gutter 14, and the feed gutter 14 also functions as a mixed rice receiving gutter. The discharge side end of the finishing rice trough 16 is connected to the finishing rice receiving trough 19 via the finishing rice flow lower cylinder 17 and the finishing rice grain plate 18, and the finished rice is transferred to the finishing rice flow lower cylinder 17 and the finishing rice grain plate. Board 18
The brown rice that is screened while falling from the grain to the finished rice receiving trough 19 and flows down to the finished rice receiving trough 19 is taken out of the machine via the finished rice lifting machine 20. A paddy lifting cylinder 21 is connected to the discharge side end of the rotary sorting cylinder 11. Reference numeral 22 denotes a paddy return gutter, which extends to a position below the pumping of the paddy lifting cylinder 21 on the rotary sorting cylinder 11 side, and is pumped upward by the paddy lifting cylinder 21. It has the function of returning the harvested paddy to the shredding section 1.

Reference numeral 23 denotes a layer thickness detection sensor, and the layer thickness detection sensor 25 is disposed below the supply gutter 14 on the supply side of the rotary sorting cylinder 11. This layer thickness detection sensor 23 is fixed to a layer thickness detection shaft 24 which is pivotally supported by the sorting case 10, and moves up and down as the number of grains to be sorted increases or decreases in the rotary sorting cylinder 11. The end of the husking section 1 side of the husking section 24 is interlocked with the paddy supply control valve 26 of the husking section 1 through an interlocking member 25, and the layer thickness detection sensor 26 detects an increase in the amount of grains to be sorted. When rotated upward, the paddy supply control valve 26 is configured to be rotated toward the closing side.

Reference numeral 27 denotes a reduction shelf, which is disposed below the supply gutter 14 on the discharge side of the rotary sorting tube 11, and is used to collect grains scooped upward by the four-rotation sorting tube 11.
The grains with a large amount of brown rice that do not fall into the finishing rice gutter 16 and the supply gutter 14 are guided down from the front side of the rotation of the rotary sorting cylinder 110 to the rear side of the rotation, and are placed in the driftwood layer of the grains to be sorted in the rotary sorting WU 11. The grains with a lot of brown rice are returned to the rear side of the rotation and are transferred to the rotary sorting cylinder 1.
It has the function of increasing the sorting efficiency by inserting into the pot hole No. 1. The lower end of the reduction shelf 27 is pivotally supported by a support rod 28 extending downward from the supply gutter 14, so that the upper side of the reduction shelf 27 can be moved toward or away from the rotary sorting tube 11. configured to be adjustable. 29
is a solenoid, and when the solenoid 29 is energized, it operates against the spring 50 and rotates and adjusts the reduction shelf 27 from the position indicated by the dotted line in FIG. 5 to the state where it is retracted above the imaginary line. be. Reference numeral 32 denotes a shedding rate sensor disposed on the scraped rice flow 1 plate 31 of the scraping section 1, which detects the shedding rate of the scraped rice that has been slipped off by the scraping rolls 5.3. The detection result of the pleasure rate detection sensor 52 is sent to the comparator 33 and set by the setter 3.
4, and when the skipping rate becomes lower than the predetermined skipping rate of the setting device 34, the signal output from the comparator 33 is sent to the 1 solenoid 29 via the drive circuit 35, and the solenoid 29 is activated. When the 1 solenoid 29 is activated, the reduction shelf 27 which is close to the rotary sorting tube 11 is retracted and rotated to the side away from the rotary sorting tube 11. Grains to be sorted with a large amount of γL rice are sent to the discharge side within the rotary sorting tube 11 while forming a flowing layer without falling onto the reduction shelf 27, and are sent to the discharge side of the rotary sorting tube 11 relatively quickly. It is possible to prevent clogging of grains in the rotary sorting cylinder 11.

In addition, the shedding rate of the scraped rice that has been scraped off in the shedding section 1 is determined by the setting device 3.
40, the signal from the comparator 35 is not output and the solenoid 29 does not operate, so the reduction shelf 27 is rotated by the spring 30 to protrude toward the side approaching the rotating sorting tube 11. There is one person moving. In this state, the grains to be sorted, which contain a lot of brown rice with a high dehulling rate, flow down on the reduction shelf 27 and are guided from the front side of the rotating sorting cylinder 11 to the rear side of the rotation 1.
The brown rice in the grains to be sorted is sent to the rear side of the rotation of the flow stack, and the brown rice in the grains to be sorted fits into the pot holes of the rotary sorting cylinder 11, increasing the sorting efficiency. It is possible to reduce the discharge of brown rice and to reduce the double-grinding phenomenon of brown rice.

Next, the operation of the embodiment will be explained. Paddy is supplied to the paddy tank 2 of the hulling section 1, and each rotating part of the hulling machine is driven.

Then, the paddy supplied from the paddy tank 2 to the husking section 1 is subjected to the husking action, and the husked rice is sorted by the hushu rice wind selection path 4 below.
The rice husks are discharged from the dust exhaust pipe 6 to the outside of the machine. 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. At 16, it is supplied to the supply side end of the rotary sorting tube 11.

Next, the mixed rice rotates clockwise as shown in Fig. 2 and is immediately picked up through the pot hole of the rotary sorting tube 11, and the fine brown rice falls into the finishing rice gutter 16, where it is mixed with paddy and some of the brown rice. The rice falls into the supply gutter 14 and is sorted, and the unsorted mixed rice that has fallen into the feed gutter 14 is fed again into the rotary sorting cylinder 11 from the conveyance end of the feed gutter 14 by the feed helix 13 and is re-sorted. be done. In addition, the finished rice that has fallen into the finishing rice gutter 16 is conveyed to the finishing rice flow lower pipe 17 by the finishing rice helix 15, and is sorted by a sorting wind while falling through the finishing rice grain plate 18 to the finishing rice receiving pipe 19. The finished rice is then taken out of the machine by the finished rice frying machine 20.

The paddy sent to the discharge side end of the rotary sorting cylinder 11 enters the adjacent paddy lifting cylinder 21, and the paddy lifting cylinder 21 groans.
m, drops into the upper paddy return gutter 22, is returned to the paddy tank 2 of the phusher section 1, and is subjected to the phus action again in the phusher section 1.

As described above, when the hulling sorting action is performed and the shedding rate of the hulled rice is high, the return shelf 27 is rotated to the side closer to the rotary sorting cylinder 11, and the grains to be sorted with a large amount of brown rice are・The general grains are guided to the rear of the flow stack by placing a streamer on the rear side of the rotation of the rotary sorting cylinder 11, promoting the insertion of the grains to be sorted into the pot holes, and improving the sorting efficiency. . In addition, when the pulp removal rate is low, the return amount 27 is adjusted to a state where it is retracted to the center side of the rotary sorting cylinder 11, and the downstream return amount in the return amount 27 is reduced to 1, and the grains to be sorted are discharged from the This speeds up the flow and prevents the phenomenon of grain clogging.

[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, FIG. 5 is a front view, and FIG. 4 is a circuit diagram. Explanation of symbols 1 Dehulling rate 2 Paddy tank 5 Dehulling roll 10 Sorting case 11 Rotating sorting tube 12 Drive roller 13 Supply helix 14 Supply gutter 15 Finished rice helix 16
Finishing rice gutter 17 Finishing rice helix 18 Finishing rice flow grain plate 19 Finishing rice catcher 20 Finishing rice grain lifting machine 21
Paddy lifting cylinder 22 Paddy return gutter 27 Reduction amount
28 Support rod 29 Solenoid 30
Spring 31 Dropped rice flow plate 62 Pulp removal rate sensor 56 Comparator 54 Setting device 35 Drive circuit

Claims (1)

[Claims] [I] Grain troughs 14 and 16 for receiving grains sorted by the rotary sorting tube 11 are arranged in the rotary sorting tube 11, which has a large number of potholes on its inner peripheral surface. The grains scooped up by the rotary sorting cylinder 11 that do not reach the grain troughs 14 and 16 are placed below the grain troughs 14 and 16 in the rotary sorting cylinder 11 before the rotation of the rotary sorting cylinder 11. A reduction shelf 27 that guides from the side to the rear side of the rotation is arranged to freely adjust the size of the amount of reduced grains, and a hutting rate detection sensor 32 that detects the husking status of the dropped rice in the husking section 1 is installed. This grain sorting device is characterized in that the reduction shelf 27 is adjusted to the side where the amount of reduced grains is decreased when a pulping rate is detected, and the reduction shelf 27 is adjusted to the side where the amount of reduced grains is increased when a high pulping rate is detected.