JPS62144788A - Rotary selecting cylinder type rice huller - 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] This invention relates to a rotary sorting tube-type rice huller, which uses a rotary sorting tube with a large number of holes on its inner circumferential surface to separate paddy and brown rice. It can be applied to a huller that sorts mixed rice.

[Prior Art and Problems to be Solved by the Invention] There is a hulling machine in which a plurality of rotary sorting tubes are provided for one hulling section. However, with this conventional type, regardless of the amount of scraped rice at the scraping section, the scraped rice is dividedly supplied to multiple rotating sorting cylinders, so the amount of scraped rice is small. In this case, there was a problem in that the amount supplied to the rotary sorting tube was less than the appropriate amount, increasing the amount of paddy mixed into the brown rice, and reducing the sorting accuracy.

[Means to solve the problem]

The technical means of the present invention for solving such technical problems is to provide a hulling machine with one hulling section 1 for a plurality of rotary sorting cylinders 11 and 11 each having a large number of potholes on the inner peripheral surface. A switching valve 26 is provided in the mixed rice supply path 9a that supplies the scraped rice from the scraping section 1 to the plurality of rotary sorting tubes 11. 11
．． The structure of the rotary sorting tube-type huller is characterized in that the grained rice is selectively supplied to the rice huller 11.

[Function and effect of the invention]

A switching valve 2 provided in a mixed rice supply path 9a that supplies scraped rice from the scraping section 1 to the plurality of rotating sorting cylinders 11.11.
By adjusting the number 6, when the amount of scraped out in the scraping section 1 is small, it can be supplied only to the single rotating sorting cylinder 11, preventing unhulled rice from mixing with brown rice and sorting. Accuracy can be improved, and a single rotary sorting cylinder 1
If the amount of rice to be sorted exceeds the appropriate amount for one rotating sorting tube ]-1, the switching valve 26 is adjusted to supply the mixed rice to the other rotating sorting tubes 11 as well. This prevents the clogging of grains and enables efficient sorting work.

〔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 is a sloughed rice wind sorting path, in which the sloughed rice from the shedding section 1 is sorted by the sorting wind generated by the suction fan chamber 5 in front, and the rice husks are transferred to the suction fan chamber 5.
The mixed rice of brown rice and paddy is discharged from the machine through the dust exhaust pipe 6, and falls into the sliding rice receiving trough 7 below. The mixed rice is fed by the grain frying machine 8 and transported to the parlor 9.

Reference numeral 10 denotes a sorting case, and inside the sorting case 10 there are rotary sorting cylinders 11 and 11 each having a large number of potholes on its inner peripheral surface.
are arranged in pairs, upper and lower, and this rotary sorting cylinder 11.11
The supply side end (right side in Figure 2) and the discharge side end (left side in Figure 2) are rotatably supported by drive rollers 12 and 12 so that they can rotate around the horizontal axis in a substantially horizontal state. . In the rotary sorting cylinder 11.11 there is a feed @14. with a feed helix 13. Finishing rice troughs 16 each having a finishing rice helix 15 are suspended horizontally.

When disposing the supply gutter 14 and the finished rice gutter 16 inside the rotary sorting cylinder 11, the supply gutter 14 is placed in the direction from below to above the rotary sorting cylinder 11 which is rotating counterclockwise, as shown in FIG. The finishing rice gutter 16 is arranged on the side that rotates from above to the bottom of the rotary sorting tube 11, and the mixed rice scooped up by the pot hole of the rotary sorting tube 11 is divided into three parts. It is configured such that the rice falls into the feed gutter 4 and is transferred to the terminal end of the feed gutter 14 by the feed helix 13, and the feed gutter 14 also functions as a mixed rice receiving gutter.

The downstream opening of the mixed rice supply hopper 9 and the starting end of each supply gutter 14° 14 are connected by a mixed rice supply path 9a, and this mixed rice supply path 9a is provided with a switching valve 26. By adjusting the rotation of the switching valve 26, the upper rotating sorting tube 1
1, only to the lower rotary sorting tube 11, or to the upper and lower surface rotary sorting tubes 11.11. Note that the adjusting means for this switching valve 26 may be manual switching or automatic switching.

The discharge side ends of the finishing rice troughs 16, 16 are connected to the finishing rice flow lower cylinder 17.
The finished rice is air-selected while falling from the finishing rice flow lower tube 17 and the finishing rice flow grain board 18 to the finishing rice barley 619. The brown rice that has flowed down to the finished rice barley@19 is taken out of the machine via the finished rice lifting machine 20.

Upper portions of paddy return passages 22 are disposed opposite to each other on the discharge-side lateral side of the upper rotary sorting tube 11 and the discharge-side lateral side of the lower rotary sorting tube 11, so that the paddy is discharged from the upper rotary sorting tube 11. Pumping cylinder 2 at the discharge side end of the grain and lower rotary sorting cylinder 11
The grains pumped up in step 1 are returned to the hulling section 1 through a paddy return path 22.

Reference numeral 23.23 denotes a layer thickness detecting tool provided in the upper and lower rotary sorting tubes 11.11, respectively, and this layer thickness detecting tool 23 is located below the supply gutter 14 on the supply side of the rotary sorting tube 11, and It is pivotally supported by the sorting case 10 by a layer thickness detection shaft 24, is brought into contact with a fluidized bed 25 of grains to be sorted in the rotary sorting tube 11, and moves up and down as the amount of grains to be sorted increases or decreases. be. The upper layer thickness detection valve 23 is interlocked with a switching valve 26 via a switching valve interlocking member 27, and when the amount of grains to be sorted in the upper rotating sorting cylinder 11 increases, the switching valve 26 moves upward. The lower layer thickness detection valve 23 is connected to the paddy supply control valve 2 of the hulling section 1 via the paddy supply valve interlocking member 28.
9, and when the amount of grains to be sorted in the lower rotary sorting cylinder 11 increases, the paddy supply control valve 29 is adjusted to decrease the amount of grain supplied to the hulling section 1. It is configured such that the amount of grains to be sorted in the lower rotary sorting cylinder 11.11 is controlled to an appropriate amount.

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 supplied to the mixed rice supply hopper 9 by the mixed rice grain lifting machine 8, and passes through the mixed rice supply path 9a to the upper and lower rotating sorting cylinders 11.11. supply @1
4 and 14, and is supplied to the feed end of each rotary sorting cylinder 11.11 by the feed helix 13, 13 in the feed trough 14.14.

Next, the mixed rice is scooped up by the pot hole of the rotary sorting cylinder 11.11 which is rotating counterclockwise in Fig. 2, and the fine grained brown rice falls into the finishing rice gutter 16.16, and the paddy and some The unsorted mixed rice that has fallen into the supply gutter 14 falls into the feed gutter 4.14 and is sorted, and the unsorted mixed rice that has fallen into the feed gutter 14 is transferred to the feeding helical 13, 13 at the end of the conveyance of the feed gutter 14.14. The finished rice is supplied again into the respective rotary sorting tubes 11.11 and re-sorted, and the finished rice that falls into the finished rice gutter 16.16 is
The finished rice is conveyed to the finishing rice flow lower tube 17 by the finishing rice spirals 15, 15, is sorted by the sorting wind while falling to the finished rice receiving trough 19 via the finishing rice grain plate 18, and is sent out of the machine by the finished rice grain lifting machine 2o. It is something that is taken out.

The sorted paddy sent to the discharge side end of the upper rotary sorting tube 11 flows down to the paddy return path 22, and the sorted paddy sent to the discharge side end of the lower rotary sorting tube 11 flows down to the paddy return path 22. The paddy enters the adjacent pumping cylinder 21, is pumped up by the pumping cylinder 21, falls into the upper paddy return path 22, is returned to the husking section 1, and is subjected to the husking action in the husking section 1 again. It is.

Furthermore, when the amount of grains to be sorted in the upper rotating sorting tube 11 increases, the layer thickness detection valve 23 rotates upward and the switching valve 26 rotates counterclockwise. When the supply amount is adjusted to the decreasing side and the amount of grains to be sorted in the upper rotating sorting cylinder 11 decreases, the layer thickness detection valve 23 rotates downward and the switching valve 26 rotates clockwise. The sorting operation is carried out because the supply amount to the upper rotary sorting tube 11 is not adjusted to the increasing side. Further, when the amount of grains to be sorted in the lower rotary sorting cylinder 11 increases, the paddy supply regulating valve 29 rotates counterclockwise via the paddy supply valve seat moving member 28, and the paddy supply regulating valve 29 rotates in the counterclockwise direction. When the amount of paddy supplied is adjusted to the decreasing side and the amount of grains to be sorted in the lower rotary sorting tube 11 decreases, the paddy supply regulating valve 29 is moved clockwise via the paddy supply valve seat movement member 28. By rotating, the amount of paddy supplied to the hulling section 1 is adjusted to increase, and the sorting work is performed.

In addition, as shown in FIG.
A sliding amount detector 33 capable of detecting the opening/closing degree of the opening/closing portion 9 and detecting whether or not the sliding portion 1 is sliding out is connected to an amplifier 34.
is connected to the comparison control unit 35 via the 3600, and compares the signal of this sliding amount detector 33 with the reference value from the J, % j (+3 setting device 36), and sends a forward rotation drive signal to the switching valve drive motor 37. Alternatively, the switching valve 26 can be automatically controlled by outputting a reverse drive signal, so that when the amount of rice to be rubbed out is small, mixed rice is supplied to only one rotary sorting tube 11, and when the amount of rice to be rubbed out is large, mixed rice is supplied to multiple The mixed rice may be automatically supplied to the rotary sorting cylinder 11.11.

Next, the embodiment shown in FIGS. 4 to 6 will be described. The paddy return road 22 is connected to the soil powder return road 22a and the lower cut return road 22.
b, so that the paddy discharged from the upper rotary sorting tube 11 can be returned to the shredding section 1 via the soil dust return path 22a, and from the pumping tube 21 of the lower rotary sorting tube 11. A reduction amount detector is configured to be able to return the pumped paddy to the shredding section 1 via the lower paddy return path 22'l), and is capable of detecting the amount of return in the early paddy return path 22a and the lower paddy return path 22b, respectively. 30.30 is arranged, this reduction amount detector 30
．． By displaying the detection results of 30 on a display device (not shown) and displaying the amount of paddy returned, the operator can know the amount of returned paddy from the upper and lower rotary sorting cylinders 11 and 11.
Thereby, by adjusting the switching valve 26 and adjusting the supply amount to the rotary sorting fW11+1.1 below 1, it is possible to improve the sorting accuracy. Further, the detection result of the reduction amount detector 30.degree. 30 may be sent to a comparison control section (not shown), and the switching valve 2G or the paddy supply control valve 3o may be adjusted accordingly. Note that the paddy return path 22 may be made of a transparent material so that the state of return can be seen.

Next, to explain FIG. 7, the upper and lower rotary sorting tubes 1
1. Gears 31 and 31 made of synthetic resin, for example, are provided at the outer peripheral ends of the parts 1 and 11, and an intermediate gear 32 is arranged so as to mesh with both gears 31 and 31. The rotational force transmitted to the rotating sorting tube L1 of the gear 30. Intermediate gear 31. The power is transmitted to the upper rotary cylinder 11 via the gear 30, thereby simplifying the transmission mechanism.

Although the hulling and sorting work is carried out in a series of steps, the amount of scraping from the hulling section 1 increases, and the amount of grain removed from the hulling section 1 increases, and
1, by adjusting the switching valve 26, the removed rice is supplied to the other rotary sorting cylinder 11 to improve the sorting efficiency, and also to prevent grain clogging in one of the rotary sorting cylinders 11. It prevents this and makes it possible to carry out two sorting operations efficiently.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is a cutaway front view, FIG. 2 is a cutaway side view, and FIG. 3 is a block diagram. 4 to 6 show other embodiments, in which FIG. 4 is a cutaway side view, FIG. 5 is a front view, and FIG. 6 is a perspective view. FIG. 7 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 9a Mixed rice supply passage 10 Sorting case 11 Rotary sorting tube 1
2 Drive roller 13 Supply helix 14 Supply gutter 15 Finished rice helix 16 Finished rice gutter 17 Finished rice flow lower tube 18 Finished rice flow grain board 19 Finished rice receiving gutter 2
0 Finished rice lifting machine 21 Pumping cylinder 22 Paddy return path 22a Soil powder return path 22b Unfavorable return path 23
Layer thickness detection valve 24 Layer thickness detection shaft 25 Fluidized bed
26 Switching valve 27 Switching valve interlocking member 28 Paddy supply valve linking member 29
Paddy supply control valve 30 Reduction amount detector 31 Gear
32 Intermediate gear 33 Sliding amount detector 34 Amplifier 35 Comparison control section 36 Reference setter 37 Switching valve drive motor

Claims (1)

[Scope of Claims] [1] A huller is constituted by one shedding section 1 for a plurality of rotary sorting tubes 11, 11 each having a large number of holes on the inner circumferential surface, and A switching valve 26 is provided in the mixed rice supply path 9a that supplies the scraped rice from 1 to the plurality of rotary sorting tubes 11, 11, and
A rotary sorting cylinder-type hulling machine characterized by selectively supplying scraped rice to 1 and 11.