JPS62110790A - Reducing shelf for 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] This invention relates to a reduction rack for a grain sorting machine, which sorts a mixed rice of paddy and brown rice using a rotating sorting tube that has a large number of pot holes on its inner circumferential surface. Can be implemented on grain sorting machines.

[Prior art]

There is a grain sorting machine that sorts mixed rice, including paddy and brown rice, using a rotating sorting tube with many pot holes on its inner circumference. Inside this rotary sorting cylinder, a finishing rice gutter is installed horizontally, and at a position below the finishing rice gutter in the rotating sorting cylinder, grains scooped up by the rotating sorting cylinder do not reach the upper finishing rice gutter. Some machines are equipped with a return shelf that receives grains and guides them down from the front side of the rotating sorting cylinder to the rear side of the rotation side.

[Problems to be solved by the invention] However, since this reduction shelf is configured in a fixed state, it exhibits the desired desired function when the grain size is normal or large, but when the grain shape is When the size of the rice is small, there is a problem that the small size of unhulled rice gets stuck in the pot hole of the rotary sorting tube and is collected in the finished rice trough, reducing the sorting accuracy.

[Means to solve the problem]

Therefore, the present invention aims to eliminate such drawbacks, and the technical means of the present invention for solving such technical problems is a rotary sorting system in which a large number of pot holes are formed on the inner circumferential surface. A finishing rice gutter 16 is horizontally suspended in the cylinder 11, and is arranged at a position below the rice pipe 16 in the rotary sorting cylinder LI,
Among the grains scooped up by the rotary sorting tube 1, one of the grains that does not reach the finished rice laboratory 16 is received and guided down from the rotation front side of the rotation sorting tube 11 to the rotation back side of the rotation sorting tube 11. Adjust the rear part of the reduction shelf 27 in the direction of the grain.
＋(This is the structure of the reduction shelf of the grain sorting machine which is constructed in the following manner.

[Function and effect of the invention]

If the grains to be sorted are normal or large, the reduction shelf 27
The rear end is moved to the rear side of the rotation of the rotary sorting tube 11, and the grains flowing down on the reduction shelf 27 are guided down to the rotation rear of the fluidized bed 25 in the rotary sorting tube 11, and a relatively large amount of brown rice is removed. This increases the chances of mixed grains fitting into the pot hole, thereby increasing the recovery efficiency of brown rice.

When the grains to be sorted are small, the rear end of the return shelf 27 is moved to the front side of the rotation of the rotary sorting tube]1, and the grains flowing down on the return shelf 27 are removed into the rotary sorter tube 11. fluidized bed 25
The small grains of unhulled rice are guided down to the - side part of the rotary sorting tube 1.
It prevents small grains of unhulled rice from getting stuck in the pot hole in No. 1, prevents small grains of unhulled rice from being scooped out into the finished rice, and prevents unhulled rice from getting mixed into brown rice, improving sorting accuracy. − It is possible to achieve the following.

〔Example〕

The embodiments of the invention shown in the drawings will now be described.

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.

10 is a sorting case, and inside the sorting case Jo; 3- is a rotary sorting cylinder 1 having a large number of pot holes on its inner circumferential surface;
The supply side end (second
The right side in the figure) and the IIl+ outlet end (the left side in Figure 2) are rotatably supported by drive rollers 12 and 12.

This rotary sorting cylinder 11. Inside there is a supply gutter with a supply helix 13 +4. A finishing rice gutter 16 with a finishing rice helix 15 is suspended horizontally.

The supply gutter 14 and the feeder 1-rice gutter 16 are connected to the rotary sorting cylinder 1.
1, as shown in FIG.
Rotating sorting 1j is arranged on the side that rotates from above to below.
The mixed rice scooped up by the 11 pot holes is fed to the supply gutter 1.
4, and is configured to be transferred by a supply helix 13 to the terminal end of a supply gutter 14, and the feed gutter 14 also functions as a mixed rice receiving gutter. The discharge side end of the finished rice 1!16 is communicated with the finished rice receiving trough 19 via the finished rice flow lower cylinder 17 and the finished rice flow grain plate 18, and the finished rice 1! While falling from the finishing rice flow grain plate 18 to the finishing rice barley 4i 19, it is wind-selected and flows to the finishing rice receiving trough 19; the shattered brown rice is taken out of the machine via the finishing rice grain lifting machine 20. It is.

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 the paddy is pumped upward by the pumping cylinder 21. It has a function of returning to the removing section 1.

Reference numeral 23 denotes a layer thickness detector, and the layer thickness detector 23 is located below the supply gutter 14 on the supply side of the rotary sorting cylinder 11, and is pivotally supported on the sorting case 10 by a layer thickness detecting shaft 24. , is brought into contact with the rear side of rotation of the fluidized bed 25 of the grains to be sorted in the rotary sorting tube 11, and is moved up and down as the amount of grains to be sorted increases or decreases. Reference numeral 26 denotes a paddy supply control valve of the phushulling section 1, and the paddy supply control valve 26 and the layer thickness detection shaft 24 are connected via an interlocking member (not shown) composed of a Ron door arm or the like. Linked together.

27 is a reduction shelf, and this reduction shelf 27 is connected to the rotary sorting cylinder 11.
Among the grains scooped up by the rotary sorting cylinder 11, grains that do not reach the mixed rice gutter 14, That is, the grains containing a relatively large amount of brown rice are received and guided down from the rotation front side of the rotary sorting tube 11 to the rotation rear side, and the grains to be sorted formed by the rotation of the rotary sorting tube 11 are separated. Fluidized bed 2
The flow is reduced to the rear of the rotational force surface than the rear part of the rotational direction of No. 5, and a relatively large amount of brown rice is produced. It'; Increasing the chance of the grains to fit into the pot hole and finishing the brown rice” Jomaiken 1
A feature that increases collection efficiency to 6! It is something to do. This reduction shelf 27 is arranged from the middle part of the rotary sorting cylinder 11 to the discharge side, but it is also possible to arrange the reduction shelf 27 only in the discharge side part of the rotary sorting cylinder 11. good.

This reduction shelf 27 has 11 fixed raw reduction shelves 27a, and adjustment n6. It is composed of a good luck source shelf 27b, which is placed on the left side. In addition, the reduction shelf 2
7a may be configured to be vertically adjustable with respect to the sorting case 11 along the grain flow direction.

In addition, grain shape detectors capable of detecting the grain size of grains are installed at appropriate positions on the grain conveyance path of the huller, and the detection results of the grain shape detectors are transmitted to a built-in microcomputer. The grains are sent to the control unit, which compares and calculates with the reference value of the control unit, moves and adjusts the good luck source shelf 27b of the return shelf 27 in the vertical direction via the drive unit, and when the grains are small, the return shelf 27
Alternatively, if the grains are large, the reduction shelf 27 may be automatically adjusted to be lengthened.

Next, the return shelf 27 shown in FIG. 4 will be explained.

This reduction shelf 27 is composed of a two-part plate body part 27c and a sorting plate part 27d that can leak out small particles such as garbage, rice, broken rice, etc. Garbage and small rice from among the grains flowing down.

The small grains of the broken rice straw are sorted and dropped into the upper part of the fluidized bed 25 in the rotary sorting tube 11, and the small grains fall into the rotary sorting tube 11.
At the same time, from the lower end of the sorting plate part 27d of the reduction shelf 27, only the brown rice and paddy after sorting are sent to the rear side of the rotation of the fluidized bed 25. The purpose is to increase the recovery efficiency of brown rice by reducing the fall and promoting the insertion of grains with a relatively large amount of brown rice into the pot hole.

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. At 13, it is supplied to the supply side end of the rotary sorting tube 11.

Next, the mixed rice is scooped up by the pot hole of the rotary sorting cylinder 11 rotating in the direction H1 in FIG. 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 tube 11 from the conveyance end of the feed @ 14 by the feed helix 13 and is re-sorted. be done.

In addition, the finished rice that has fallen into the finishing rice laboratory 16 is conveyed to the finishing rice flow lower pipe 17 by the finishing rice helix 15, and is sorted while falling through the finishing rice grain plate 18 to the finishing rice receiving trough 19. The rice is sorted by the 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 22, is pumped up by the pumping cylinder 22, falls into the upper paddy return gutter 22, is returned to the phus husking section 1, and is again subjected to the phus action in the phushuping section 1.

The hulling and sorting work is performed as described above, but if the grains to be sorted are normal or large, the rear end of the return shelf 27 is adjusted by moving the good luck source shelf 27b downward. is positioned at the rotation rear side of the rotary sorting tube 11, and the grains flowing down on the reduction shelf 27 are guided down to the rotation rear side of the fluidized bed 25 in the rotary sorting tube 11, and the grains mixed with a relatively large amount of brown rice are This increases the chances of brown rice entering the pot hole and improves the recovery efficiency of brown rice.

In addition, when the grains to be sorted are small grains, the good fortune source shelf 27b is moved upward and the rear end of the reducing machine 27 is positioned at the front side of rotation of the rotary sorting cylinder 11, so that the reducing machine 27 The grains flowing down are guided down onto the fluidized bed 25 in the rotary sorting tube [1,
It is possible to prevent small grains of unhulled rice from fitting into the pot hole of the rotary sorting cylinder 11, prevent small grains of unhulled rice from being scooped into the finishing rice gutter 16, and improve the sorting accuracy. .

[Brief explanation of drawings]

The drawings show an embodiment of the invention; FIG. 1 is a cutaway rear view, FIG. 2 is a cutaway side view, and FIG. 3 is a side view.
FIG. 4 is a perspective view. Explanation of symbols

Claims (1)

[Scope of Claims] [1] Finished rice gutter 16 is horizontally suspended in a rotating sorting cylinder 11 having a large number of pot holes on the inner circumferential surface, and the finishing rice gutter 16 is positioned below within the rotating sorting cylinder 11. The rotary sorting cylinder 1
The rear part of the return shelf 27 receives the grains that have not reached the upper finishing rice gutter 16 of the grains scooped up by the rotary sorting cylinder 11 and guides them down from the front side of the rotation to the rear side of the rotation of the rotary sorting cylinder 11. A return shelf for a grain sorter configured to be adjustable in the direction of grain flow.