JPH0214784A - Detection device of grain - Google Patents

Abstract

PURPOSE:To reduce the cost of the title detector by providing a detector for quantity of grain which can be selectively changed over to both grain passages to the adjacent part of a plurality of grain passages wherein different kinds of grain sorted by a mixed rice sortor are allowed to flow and the grain passages are adjacently arranged. CONSTITUTION:A plurality of grain passages 20, 21 through which different kinds of grain sorted by a mixed rice sorter are allowed to flow are adjacently arranged. A detector 26 which is selectively changed over to both grain passages 20, 21 and can detect quantity of grain in the respective grain passages 20, 21 is provided to the adjacent part of the grain passages 20, 21. As a result, cost reduction of the detector 26 can be contrived.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a mixed rice sorting device, etc. that sorts mixed rice of paddy and brown rice using a rotating sorting cylinder having a large number of pot holes on the inner circumferential surface. The present invention relates to a grain detection device.

[Prior art]

There is a grain sorting device that sorts a mixed rice 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.

[The good luck point that the invention attempts to solve]

Inside this rotary sorting tube, a finishing rice gutter is installed horizontally in the longitudinal direction to receive the brown rice that has been pumped up through the pot hole of the rotary sorting tube.
While the mixed rice of paddy and brown rice flows from the supply side to the discharge side of the rotary sorting cylinder, brown rice with short grain length is pumped up high and falls into the finishing rice gutter above, while unfinished rice with long grain length is pumped up low. It is pumped up and falls into the rotating sorting tube again where it is sorted. The paddy after sorting is discharged from the discharge side end of the rotating sorting cylinder, and the brown rice that has fallen into the finishing rice trough is sent through this finishing rice trough to the sorting end side of the rotating sorting cylinder. It must be taken outside.

In such a device, the amount of brown rice taken out from the finished rice trough or the amount of unhulled rice taken out from the discharge side of the rotary sorting tube may be detected, but in such cases, usually, both are detected separately. Usually, the amount of each grain is detected using a detector.

The present invention aims to reduce the cost in such a case by detecting the amounts of both grains with one detector.

Means for Solving Interlayers] Technical means of the present invention for solving such technical problems include a plurality of grain passages 20 through which different types of grains sorted by a mixed rice sorting device flow; 21 are arranged close to each other, and both grain passages 20.
21 to alternatively switch to the husband and wife grain aisles 20 and 21.
The grain detection device is characterized in that it is provided with a detector 26 capable of detecting the amount of grains.

[Function and effect of the invention]

When different types of grains after being sorted by the mixed rice sorting device flow through a plurality of grain passages 20 and 21 adjacent to each other, a detector 2 installed in an adjacent portion of the grain passages 20 and 21 is used.
6 to one side of the grain passage 20,
The amount of grains in one grain passage 20 can be detected, and by switching the detector 26 to the side of the other adjacent grain passage 21, the amount of grains in the other grain passage 21 can be detected. The amount of grains in a plurality of grain passages 20 and 21 can be detected with one detector 26.
6, it is possible to reduce the cost.

〔Example〕

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

First, the configuration of the embodiment will be explained. Reference numeral 1 denotes a machine body configured as a rectangular box body, and a shedding section 2 is arranged at the upper front part of the machine body 1. The paddy hopper 3. It is composed of a pair of rolls 4, 4, etc. Reference numeral 5 denotes a sliding rice wind selection path arranged in an inclined manner from the middle part to the rear of the fuselage 1, and the construction is such that sorting air generated by a suction fan 6 at the rear flows through the sliding rice wind selection path 5. has been done. Reference numeral 7 denotes a fallen rice conveying impeller for conveying the fallen rice from the scraping section 2. The fallen rice thrown off by the fallen rice conveying impeller 7 passes through the fallen rice conveying path 8 and is transferred to the fallen rice conveying path 8. It is supplied to the sorting start end side of the Rakumae wind selection route 5.

Reference numeral 9 denotes a dropped rice receiving trough located below the starting end side of the dropped rice sorting path 5. The dropped rice that has fallen into the dropped rice receiving trough 9 is transferred to a mixed rice lifting machine 10 into a rotary sorting cylinder 11. supplied to the side.

Reference numeral 12 denotes a mixed rice sorting device disposed on the upper part of the machine body 1, and this mixed rice sorting device 12 is constructed as follows. 1
3 is a sorting case, and inside this sorting case 13 there is a feed side end, which is the sorting start end, so that the rotary sorting cylinder 11, which has a large number of pot holes on its inner peripheral surface, can rotate around the horizontal axis. (
The right side in FIG. 1) and the discharge side end (left!M in FIG. 1), which is the sorting end side, are rotatably supported by drive rollers 14, 14. A supply gutter 16 with a feed helix 15 and a finishing rice gutter 18 with a finished rice helix 17 are horizontally disposed inside the rotary sorting cylinder 11. In arranging the supply gutter 16 and the finished rice gutter 18 inside the rotary sorting tube 11,
As shown in FIG.
8 is arranged on the side that rotates from the top to the bottom of the rotary sorting cylinder 11.

The mixed rice drawn up through the pot hole of the rotary sorting cylinder 11 falls into a supply gutter 16, and is configured to be transferred to the terminal side of the supply [16] by the supply helix 15, and the feed gutter 16 is a mixed rice receiving gutter. It also has the function of

A pumping cylinder 19 is attached to the sorting end side of the rotary sorting cylinder 11. 20 is at the paddy return aisle.

The upper end of this paddy return passage 20 extends to a position below the pumping of the pumping cylinder 19 on the one-rotation sorting cylinder 11 side, and the paddy that has been pumped upward by the pumping cylinder 19 is transferred to the husking section 1.
It is intended to reduce

Finished rice I! The discharge side end of 18 passes through the finished rice flow lower cylinder 21 and the finished rice flow grain plate 22 to produce the amount of finished rice! 23, and the brown rice is passed through the finished rice flow lower cylinder 21 and the finished rice flow grain plate 22.
While falling from the finished rice to the finished rice receiving channel 23, the finished rice wind selection route 24
The air is sorted by the sorting air that flows through the suction fan 6. The brown rice that has flowed down into the finished rice receiving trough 23 is taken out of the machine by the finished rice lifting machine 25.

26 is a detector. This detector 26 is connected to a paddy return passage 2 that returns grains after being sorted by the rotary sorting cylinder 11 to the husking section 2.
0 and the finished rice flow tube 21 through which the brown rice flows down, and detects the amount of grains flowing down.

In this embodiment, the detector 26 is capable of electrically detecting the amount of grains by colliding grains, but is not limited to this embodiment. This detector 26 is supported by a support 27 that can be rotated toward the finishing rice flow down tube 21 side or the paddy return passage 20 side.
7 toward the finished rice flow down tube 21 side, the brown rice flowing down inside the finished rice flow down tube 21 collides with the detector 26, and the amount of brown rice is detected. The amount of grains, mainly consisting of paddy, flowing down in the return passage 20 is detected. The detection information of the detector 26 is configured to be sent to a comparison control unit (not shown) built in the CPU, and is configured to determine the amount of paddy supplied to the shedding unit 2, the number of revolutions of the rotary sorting cylinder 11, The degree of inclination of the sorting cylinder 11 in the axial direction is controlled in relation to the above. Note that by reciprocating the support body 27 at predetermined time intervals, the amount of grains in the finished rice flow lower tube 21 and the paddy return passage 20 may be detected alternately at predetermined time intervals.

Next, the operation of the embodiment will be explained. When carrying out hulling work, raw rice is supplied to the rice hopper 3, and each rotating part of the rice hulling machine is driven. Then, from the paddy hopper 3, the rice rolls 4, 4
The paddy supplied to the area is subjected to a percussion action, and is then dropped and supplied to the fallen rice conveying impeller 7 located below. 8, the rice is supplied to the sorting start side of the sliding rice sorting path 5. Next, the rice husks are wind sorted in a wind selection channel 5, and the rice husks are discharged out of the machine by a suction fan 6, and the mixed rice of brown rice and unhulled rice is passed through the wind selection channel 5 to fall into the rice receiving channel 9 below. The fallen rice that fell into the fallen rice catcher 9 is
The mixed rice is supplied to the starting end side of the supply gutter 16 on the rotary sorting cylinder 11 side by the grain frying machine 10, and then it is supplied! The feed helix 15 in the rotary sorting cylinder 11 is fed to the feed side end of the rotary sorting tube 11 .

Next, the mixed rice is pumped up through the pot hole of the rotary sorting cylinder 11 which is rotating clockwise in Fig. 2, and the brown rice with short grain length is pumped up high and falls into the finishing rice gutter 18, and one grain is also collected. Mixed rice consisting of long paddy and some brown rice is pumped up low and falls into the supply gutter 16 where it is sorted. Supply gutter 16
The unsorted mixed rice that has fallen is fed again into the rotary sorting cylinder 11 from the conveyance terminal end of the supply gutter 16 by the supply helix 15, and is re-sorted.

In addition, the brown rice that has fallen into the finishing rice gutter 18 is
7, the finished rice is conveyed to the lower tube 21 for finishing rice flow, passes through the finishing rice grain board 22, and falls into the finishing rice receiving trough 23.
The particles are sorted by the sorting air flowing through the suction fan 6,
The brown rice that has fallen into the finished rice receiving trough 23 is taken out of the machine by a finished rice lifting machine 25.

The grains, mainly consisting of paddy, sent to the discharge side end of the rotary sorting cylinder 11 enter the pumping cylinder 19, are pumped up by the pumping cylinder 19, and fall into the paddy return passage 20 above. It is returned to the shedding section 1, and is again subjected to the shedding action in the shedding section 1.

As described above, the hulling and sorting work is performed, and the brown rice sorted by the rotating sorting tube 11 is taken out of the machine through the finished rice flow down tube 21, and is also sent to the sorting end side of the rotating sorting tube 11. The sent grains after sorting are returned to the hulling section 2 via the paddy return passage 20. A detector 26 is provided adjacent to the finished rice flow down tube 21 and the paddy return passage 20, which are arranged close to each other. When switching to the flow down tube 21 (III), the amount of grains in one of the finished rice flow down tubes 21 can be detected, and by rotating the support 27 to switch to the adjacent paddy return passage 20 side, the grain amount can be detected. By switching the container 26, it is possible to detect the amount of grains in the other paddy return passage 20. Therefore, one detector 26 can detect the grain amount in a plurality of finished rice flow lower pipes 21 and the paddy return passage 20. The amount can be detected, and the cost of the detector 26 can be reduced.

In addition, in this embodiment, the structure applied to the finished rice flow lower tube 21 and the paddy return passage 2o, through which grains of different types sorted by the rotary sorting tube 11 pass, has been explained, but a swinging sorting plate or a mangoku type mixing It goes without saying that the present invention may be applied to a plurality of grain passages in a rice sorting device through which grains of different types pass closely together.

[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. Description of symbols Machine 2 Paddy hopper 4 Dropped rice wind sorting path 6 Dropped rice transport impeller 8 Dropped rice receiving trough 10 Rotary sorting tube 12 Sorting case 14 Supply helix 16 Finished rice helix 18 Pumping cylinder paddy return passage (grain Grain passageway) Finished rice flow down tube (grain passageway) Finished rice flow grain board 23 Separation section Peeling roll Suction fan Sliding rice conveyance path Mixed rice grain lifting machine Mixed rice sorting device Drive roller supply gutter Finished rice gutter Finished rice receiver Gutter finishing rice wind selection path detector finishing rice grain lifting machine support body

Claims (1)

[Scope of Claims] [1] A plurality of grain passages 20 and 21 are arranged close to each other through which grains of different types sorted by a mixed rice sorting device flow, and adjacent portions of these grain passages 20 and 21 are provided with both grain passages 20 and 21. Grain aisle 20, 2
1. A grain detecting device characterized in that a detector 26 is provided which can detect the amount of grains in each grain passage 20, 21 by selectively switching between the two directions.