JPS6372385A - 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 machine 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. There is a horizontal finishing rice gutter that receives brown rice.

[Problems to be Solved by the Invention] In this conventional device, the brown rice that has been pumped up high through the pot hole of the rotating sorting cylinder is received by the finishing rice gutter, and the unhulled rice that has been pumped low is sent back into the rotating sorting cylinder. The mixed rice is sorted into brown rice and unhulled rice, and the unsorted rice is discharged from the discharge side of the rotating sorting tube and returned to the shedding section.
When brown rice is mixed into the unhulled rice discharged from the rotary sorting tube and the brown rice is subjected to the husking action again at the husking section, there is a problem in that the skin of the brown rice is rubbed and the brown rice is damaged.

Therefore, in this invention, a specially configured sending-back protrusion is provided at the discharge side end of the rotary sorting tube, and the brown rice sent to the discharge side of the rotary sorting tube is returned to the supply side of the rotary sorting tube.
By providing another opportunity for sorting, it is possible to reduce the amount of unpolished rice being discharged from the discharge side end of the rotary sorting tube, thereby improving the sorting accuracy.

[Means to solve the problem]

The technical means of the present invention for solving such technical problems is to horizontally move the finished rice gutter 16 to receive the brown rice in the rotary sorting cylinder 11, which has a large number of pot holes formed on the inner peripheral surface and rotates around a horizontal axis. At the discharge side end of the rotary sorting tube 11, there are feed-back protrusions 24, 24. ···of,
The grain sorting device is configured such that a plurality of grains are arranged in a tilted state with respect to the axis of the rotary sorting tube 11, and the unsorted rice discharged from the discharge side of the rotary sorting tube 11 can be returned to the husking section 1. This is due to the configuration of the device.

[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 is subjected to sorting action, and flows sequentially from the supply side end to the discharge side end of the rotary sorting tube 11. The grains sent to the discharge side end of 11 are
The sending-back protrusion 24.24. is provided adjacent to the discharge side end of the rotary sorting tube 11. ...and flowing! The grains in the lower part of the jJ layer are sent back to the supply side of the rotary sorting tube 11, and are given the opportunity to be sorted again in the pot holes on the discharge side of the rotary sorting tube 11, and are again sorted by the pot holes in the single rotation sorting tube 11. This increases the chance of the rice being pumped up and falling into the finishing rice gutter 16 above for sorting, reducing the proportion of unpolished rice discharged from the discharge side end of the rotary sorting tube 11, and improving the sorting accuracy. .

〔Example〕

An embodiment of the invention shown in one drawing will be described below.

First, the structure of the embodiment will be described. Reference numeral 1 denotes a shedding section, and this shedding 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 1o denotes a sorting case, and inside the sorting case 10 there is a supply side end (as shown in FIG. The right side) and the discharge side end (left side in FIG. 2) are rotatably supported by drive rollers 12.12. A supply gutter 14 with a feed helix 13 and a finishing rice gutter 16 with a finished rice helix 15 are horizontally disposed inside the rotary sorting cylinder 11.

In arranging the supply gutter 14 and the finished rice gutter 16 inside the rotary sorting tube 11, the supply gutter 14 is placed on the scooping side of the rotary sorting tube 11 rotating from the bottom to the top, as shown in FIG. In addition, a finishing rice gutter 16 is arranged on the side of the rotary sorting cylinder 11 that rotates from above to below, so that the mixed rice scooped up by the pot hole of the rotary sorting cylinder 11 falls into the supply gutter 14 and is supplied by the supply helix 13. 4i! The supply 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 flow lower cylinder 1.
7. The finished rice is connected to the finished rice receiving trough 19 via the finished rice flow grain plate 18, and the finished rice is wind-selected while falling from the finished rice flow lower tube 17 and the finished rice flow grain plate 18 to the finished rice receiving trough 19. Been,
The brown rice that has flowed down to the finished rice receiving trough 19 is taken out of the machine via the finished rice lifting machine 20.

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 one-rotation sorting cylinder 11 side, and collects the paddy that has been pumped upward by the pumping cylinder 21. , has the function of returning to the removing part 1.

23 is a reduction shelf, and this reduction shelf 23 is connected to the rotary sorting cylinder 11.
The finished rice trough 16 is arranged at an angle below the feed trough 14 in the inner part, and the finished rice trough 16. The grains that do not reach the mixed rice gutter 14, that is, the grains that are mixed with a relatively large amount of brown rice, are received and guided down from the rotation front side of the rotating sorting tube 11 to the rotation rear side, and are passed through the rotating sorting tube 1.
The fluidized bed of grains to be sorted formed by the rotation of step 1 is caused to flow backward in the rotational direction than the rearward portion of the fluidized bed in the rotational direction, and the grains mixed with a relatively large amount of brown rice have an opportunity to fit into the pot hole. This function has the function of increasing the efficiency of collecting brown rice into the finishing rice gutter 16. This reduced species 23 is transferred to the rotary sorting tube 1
It is arranged from the middle part of 1 to the discharge side,
This reduced species 23 may be arranged only in the discharge side portion of the rotary sorting cylinder 11.

Next, the sending-back protrusions 24, 24 . ... will be explained. These sending back protrusions 24, 24. ... is constructed to have a constant width along the axial direction at the discharge side end of the rotary sorting cylinder 11, and the sending-back protrusion 24 is formed on the discharge side end of the rotary sorting cylinder 11. The height of the fluidized bed is lower than the height of the fluidized bed of grains, and the rotary sorting tube 11 is arranged adjacent to the rotary sorting tube 11 in an inclined state with respect to the axis of the rotating sorting tube 11.
The fluidized bed of grains to be sorted that has been sent to the discharge side end of the sending back ridges 24, 24. When it flows into the part..., the sending-back protrusion 24 rotates together with the 9-turn sorting cylinder 11.
, 24. ...and this send-back protrusion 2
4 and sent back to the supply side of the 5-rotation sorting tube 11, and is given another chance of sorting at the discharge side of the rotary sorting tube 11.

Next, the operation of the embodiment will be explained. When carrying out hulling work, the rice grains are supplied to the paddy tank 2.

Drives each rotating part of the huller. Then, the paddy supplied from the paddy tank 2 to the paddy section 1 is subjected to the paddy action.

The fallen rice is sorted in the lower fallen rice wind sorting path 4, and the rice husks are discharged from the dust pipe 6 to the outside of the machine. The mixed rice of brown rice and paddy falls into the sliding rice receiving trough 7, and is lifted and supplied to the starting end side of the supply trough 14 on the rotary sorting cylinder 11 side via the mixed rice hopper 9 in the mixed rice lifting machine 8. The feed helix 13 in the feed gutter 14 supplies the feed to the feed 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 which is rotating clockwise in FIG. The unsorted mixed rice that has fallen into the supply gutter 14 is fed into the rotary sorting cylinder 11 from the conveyance end of the feed gutter 14 by the feed helix 13 and is re-sorted. Ru.

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 return gutter 22, is returned to the husking section 1, and is again subjected to the paddy action in the husking section 1.

The hulling and sorting work is performed 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 a sorting action, and is sequentially transferred to the supply side of the rotating sorting tube 11. The grains flow from the end to the discharge side end, and the grains at the bottom of the fluidized bed sent to the discharge side end of the rotary sorting tube 11 are placed adjacent to the discharge side end of the rotary sorting tube 11. The sending back protrusions 24, 24. ..., the rotating sending-back protrusions 24, 24. ...
The rice is sent back to the supply side of the rotary sorting tube 11, given a chance to be sorted again at the discharge side of the rotary sorting tube 11, and then pumped up again through the pot hole of the rotary sorting tube 11 and sorted and dropped into the finishing rice gutter 16 above. The number of opportunities to
The rate of brown rice being discharged from the discharge side end of the machine is reduced, and the sorting accuracy can be improved.

[Brief explanation of the drawing]

The drawings show an embodiment of the invention, and FIG. 1 is a cutaway side view, FIG. 2 is a cutaway rear view, FIG. 3 is a cutaway rear view, and FIG. 4 is a cutaway side view. . Explanation of symbols 1 Peeling part 2 Paddy tank 3 Peeling roll 4 Slipped rice wind sorting path 5 Suction fan room 6 Dust exhaust tube 7 Slipped rice and wheat u 8 Mixed rice lifting machine 10 Sorting case 11 Rotating sorting tube 12 Drive roller
13 Supply helix 14 Supply gutter 15 Rice and rice helix 16 Finishing rice gutter 16a Finished rice adjustment valve 17 Finished rice flow lower cylinder 18 Finished rice flow grain plate 19 Finished rice receiving gutter 20 Finished rice grain lifting machine 24 Sending back protrusion

Claims (1)

[Scope of Claims] [1] Finished rice trough 16 for receiving brown rice inside the rotary sorting cylinder 11 which has a large number of pot holes formed on its inner peripheral surface and rotates around a horizontal axis.
The rotary sorting tube 11 is horizontally suspended, and at the discharge side end of the rotary sorting tube 11, there are sending back protrusions 24, 24, which are lower than the height of the fluidized bed of grains to be sorted, which are formed at the discharge side end of the rotary sorting tube 11. . . . are configured in large numbers in a tilted state with respect to the axis of the rotary sorting tube 11, so that the polished rice after sorting discharged from the discharge side of the rotary sorting tube 11 can be returned to the shredding section 1. A grain sorting device made by