JPH07265799A - Grain selecting device - Google Patents

Abstract

PURPOSE:To eliminate the unevenness of wind and in selection, and improve a selection effect of grains by arranging a punched porous plate between a windmill and a selecting net and blasting wind after accumulation, and dispersing the grains evenly. CONSTITUTION:When a motor 15 is driven, a windmill shaft 6 and a driving shaft 8 are revolved through a belt 17, and the windmill 3 is rotated to blow up the wind and a shaking frame 12 is shaken. Waste rice grains, therefore, are elevated in a feed device 31, flowed down on a selecting plate of a fed gutter 32 and fed out from a feed opening 33 onto a selecting net 18. The waste rice grains are blown, floated up and down to the shaking-down side of the selecting net 18 and discharged from the discharge side 20. On the other hand, unpolished rice grains are moved to the shaking-up side and discharged. In that case, a punched porous plate 43 is placed between the windmill 3 and the selecting net 18. The wind is accumulated by the device and then started to blow to disperse the grains evenly. Thus the unevenness of wind and in selection can be eliminated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain sorting device.

[0002]

2. Description of the Related Art Conventionally, a wind tunnel having a wind turbine provided in a fixed case for blowing wind upward, a swing frame provided at an upper portion of the wind tunnel, and the wind stretched on the swing frame are provided above. And a swinging mechanism that swings the sorting net back and forth in a slanting vertical direction. The sorting net feeds one side in the front-back direction. There is known a grain sorting device having a substantially rectangular shape with the other side being the discharge side, the one side in the left-right direction being the swinging side, and the other side being the swinging side.

[0003]

The above-mentioned known sorting apparatus can be used for sorting various kinds of grains, but the wind blowing through the sorting net has spots, and only a certain portion blows strongly and the other portion has a refreshing wind. There is a phenomenon that it does not blow out. When the wind becomes spotty, the sorting becomes spotty.

[0004]

Therefore, according to the present invention, the wind tunnel 2 having the wind turbine 3 provided in the fixed case 1 for blowing the wind upward, and the swing frame 12 provided at the upper portion of the wind tunnel 2 are provided. And a sorting net 18 stretched over the swing frame 12 through which the wind blows upward.
And a supply device 31 for supplying grain onto the sorting net 18,
The sorting net 18 includes a swinging mechanism that swings the sorting net 18 back and forth obliquely in the vertical direction. The sorting net 18 has one side in the front-back direction and the other side in the supply side 19 and one side in the left-right direction. In the grain sorting apparatus in which the rocking side 21 has a substantially quadrangular shape with the other side being the rocking side 22, and the supply side 19 is higher than the discharge side 20 and the rocking side 21 is higher than the rocking side 22 and tilted in both front, back, left and right directions, The wind tunnel 2 between the wind turbine 3 and the sorting net 18
Alternatively, one of the swing frames 12 is a grain sorting device in which a punched perforated plate 43 that makes the wind of the wind turbine 3 uniform is attached. Further, the present invention is, in the grain sorting device, a grain sorting device in which the sorting net 18 has an adjustable tilt angle. Further, in the grain sorting apparatus of the present invention, the sorting net 18 includes an upper net 23 made of a woven net and a punched perforated plate 25 in which numerous air holes 24 are punched.
This is a grain sorting device having a configuration in which two sheets of the above are polymerized.

[0005]

An embodiment of the present invention will be described with reference to the drawings.
Reference numeral 1 denotes a peripheral fixed case. A wind tunnel 2 that blows upward is fixedly provided at a lower position in the fixed case 1, and a wind turbine 3 is axially mounted in the wind tunnel 2. Reference numeral 4 is a suction port, 5 is an outlet, 6 is a wind turbine shaft that is substantially horizontal in the front-rear direction, and 7 is a passive pulley attached to the end of the wind turbine shaft 6. At the upper part of the wind tunnel 2, a wind turbine shaft 6
A drive shaft 8 parallel to the drive shaft 8 is provided, eccentric wheels 9 and 9 are attached to the front and rear sides of the drive shaft 8, and the bases of rods 10 and 10 are mounted on the eccentric wheels 9 and 9, respectively. Reference numeral 11 is a passive pulley fixed to the end of the drive shaft 8.

A wind tunnel / rocking frame 12 is attached to the upper part of the wind tunnel 2, and shafts 13 and 13 provided on the lower part of the rocking frame 12 are
The tips of the rods 10 and 10 are axially attached. The swing frame 1
At a position above the two shafts 13 and 13, the tilt swing support rod 1 is provided.
The lower portions of 4 and 14 are pivotally attached, and the upper ends of the tilting swing support rods 14 and 14 are pivotally attached to the fixed case 1 side. 15 is a motor, 16
Is a drive pulley, and a belt 17 is wound around the drive pulley 16 and the passive pulley 11 and the passive pulley 7.

Therefore, when the motor 15 is energized, the wind turbine 3 rotates, and the wind tunnel and swing frame 12 swings about 350 to 400 times per minute with a swing of about 11 mm, for example.

A sorting net 18 is stretched above the wind tunnel and swing frame 12. The sorting net 18 has a substantially square shape as shown in FIG. 4, one side in the front-rear direction is a supply side 19, the other side is a discharge side 20, one side on the left and right sides is an upper side 21, and the other side is a lower side 22. Discharge side 2
The supply side 19 side is slightly higher than 0, the swing side 21 is higher than the swing side 22, and they are inclined in both directions.

The sorting net 18 of the embodiment has a double-layered structure of an upper net 23 made of a woven net as shown in FIG. 3 and a punched perforated plate 25 in which numerous air holes 24 are formed. The wind blows through the punched perforated plate 25 and the upper net 23. As the upper net 23, for example, 16 mesh (a net having 16 eyes per inch) is used.

The air blown through the sorting net 18 slightly lifts the scrap rice b supplied onto the sorting net 18 by the wind to produce brown rice a.
Since it is heavy, it is possible to sort the scrap rice b by blowing it so that it does not float so much. That is, since the scrap rice b is light and floats slightly, it does not come into contact with the sorting net 18 that swings in the direction of the arrow W below that much, and therefore does not receive the swinging force in the W direction. It is guided by the gradient and flows to the swaying side 22 side, and moves to the discharge side 20 side. Since the brown rice a is heavy, it is not affected by the wind, is strongly shaken in the direction of the arrow W, is swung up by the sorting net 18, and moves to the discharge side 20 side.

On the discharge side 20 of the sorting net 18, partition plates 26 and 27 which are adjustable in the left-right direction are provided at intervals in the left-right direction.
The rocking side 21 of the partition plate 26 is formed as a brown rice outlet 28, the space between the partition plate 26 and the partition plate 27 is formed as an intermediate rice outlet 29, and the rocking side 22 of the partition plate 27 is formed as a scrap rice outlet 30. To do.
A supply device 31 such as an elevator is provided on the side of the rocking side 21 of the fixed case 1, and a vertical wire / supply gutter 32 is provided below the upper discharge gutter of the supply device 31.

A vertical wire is a device for separating scrap rice by pouring a metal wire in the vertical direction with a gap of about 1.70 mm or 1.75 mm, and pouring rice on it to separate scrap rice. Is a piano wire stretched with a front and rear spacing so that the spacing can be adjusted freely, but the less expensive one is a thin iron plate with a slit punched out, and these are collectively called vertical lines by those skilled in the art. . The scrap rice is once sorted by a vertical line, but in the present application, a vertical line having a slit width smaller than that is supplied to the feeding device 31.
Installed in the lower part of the discharge gutter.

Since the supply gutter 32 is formed to be long in the left-right direction and is integrally fixed to the upper part of the swing frame 12, it swings together with the swing frame 12 so that it is swingable. The leading end of the supply gutter 32 opens toward the supply side 19 and the supply port 3
3 is formed, and the position of the supply port 33 is on the rocking side 22 as shown in FIG.

Barrier plates 34 are arranged on the upper surface of the screening net 18 at predetermined intervals in the front-rear direction. Dam plate 34
The purpose is to disperse the scrap rice widely in the left and right direction so that the grain does not flow as much as possible, and as an example, it is like a rail of fittings, L-shaped steel, or strip steel. To use. The barrier plate 34 is provided in the direction from the swaying side 21 to the swaying side 22, that is, in the left-right direction, and is attached by wire binding, fixed by a small screw, or fixed by spot welding. Further, the sorting net 18 of FIG. 2 is an embodiment in which the tilt can be adjusted, the swing frame 12 is divided into upper and lower parts to form the swing frame 12a, and a screw is provided between the swing frame 12 and the swing frame 12a. Install 35. 36 is a stakeout port. The supply gutter 32 is composed of the scrap rice sorting plate 37 and the lower net 3
8 and the waste rice flow plate 39 have a triple structure, and the clogging removal ball 40 is housed between the waste rice sorting plate 37 and the lower net 38, and is made to collide with a partition rod 41 having a triangular cross section to be activated. Waste rice flow board 39
The waste rice that has flowed through is taken out to the takeout gutter 42.

However, the air blown through the sorting net 18 cannot be evenly sorted unless all the portions are blown uniformly. However, there occurs a phenomenon in which the wind blows strongly at one part and the wind does not come at all in the other part. In order to solve this point, in the present application, the punched perforated plate 43 is stretched over the wind tunnel 2 in the embodiment of FIG. 1, and the punched perforated plate 43 is stretched over the swing frame 12 in the embodiment of FIG.

[0016]

[Operation] Next, the operation will be described. The brown rice that has been hulled by the hulling device is subjected to removal of the waste rice by the rotary waste rice sorting device, and is distributed to the market as finished rice. However, since about 20% of brown rice is contained in the removed brown rice, a mechanism for selecting brown rice from the brown rice is required. INDUSTRIAL APPLICABILITY The present invention can be used for various sorts, but is also used in such cases. The operation will be described. When the switch is turned on, the motor 15 is energized to rotate the passive pulley 7 and the passive pulley 11 via the belt 17 to rotate the wind turbine shaft 6 and the drive shaft 8 and fix them to the wind turbine shaft 6. Eccentric wheel 9 provided on drive shaft 8
The rocking frame 12 is rocked by the rod 10 and the rod 10. Since the swing frame 12 is attached to the fixed case 1 by the tilt swing support rods 14, 14, the swing frame 12 tilts and swings in the W direction.

In this state, when scrap rice is supplied from the inlet 36, it is fried by the supply device 31 and flows down on the scrap rice sorting plate 37 in the supply gutter 32, and the extremely small scrap rice is separated. It also passes through the lower net 38, flows over the scrap rice flow plate 38 therebelow, and is taken out to the takeout gutter 42. The brown rice a and the scrap rice b flow down on the scrap rice sorting plate 37 and are supplied from the supply port 33 to the swinging side 22 of FIG.

The waste rice b of the sorting net 18 receives the wind and the sorting net 1
It slightly floated from No. 8, and brown rice a did not float so much even if it was exposed to wind because it was heavy. The slightly boiled waste rice b does not come into contact with the upper net 23 that swings in the direction of the arrow W below that much, and therefore is not subjected to the swinging force of the sorting net 18, and therefore the swinging side 22 side due to the gradient and the wind. Flow to the discharge side 20 due to the gradient and wind. The flow to the swaying side 22 at this time is adjusted by finely adjusting the gradient by the adjusting screw 35.

On the other hand, since the brown rice a is heavy and does not float so much even if it receives a wind, it is strongly shaken in the direction of the arrow W of the sorting net 18 to be swung up to the upside 21 and moved to the discharge side 20. To do. The movement to the discharge side 20 is delayed because the flow is blocked by the weir plate 34 arranged at a predetermined interval on the upper surface of the sorting net 18, so that it is widely dispersed in the left-right direction and is sorted for a long time. To be done.

Since the discharge side 20 of the sorting net 18 is provided with left and right adjustable partition plates 26 and 27 at intervals in the left and right direction, the brown rice can be adjusted by adjusting the positions of the partition plates 26 and 27. Is taken out to the brown rice outlet 28, the intermediate rice is taken out to the intermediate rice outlet 29, and the scrap rice is taken out to the scrap rice outlet 30. The intermediate rice taken out to the intermediate rice outlet 29 is returned to the supply device 31 and circulated.

During the above-mentioned sorting work, the wind of the windmill 3 supplied to the sorting net 18 is likely to be partly uneven, and the wind is blown only at a specific portion and is not blown at other portions at all. , It may cause poor sorting, but the present application
Since the punched perforated plate 43 is provided between the wind turbine 3 and the sorting net 18, the punched perforated plate 43 causes the wind to be pressure-stored and then blown out, so that the winds are evenly dispersed, so that the selection spots cannot be formed.

[0022]

According to the present invention, the wind tunnel 2 having the wind turbine 3 provided in the fixed case 1 for blowing the wind upward, the swing frame 12 provided on the upper part of the wind tunnel 2, and the swing frame. From the sorting net 18 stretched over the wind blown upwards 12, the feeding device 31 that feeds the grain onto the sorting net 18, and the swinging mechanism that reciprocally swings the sorting net 18 vertically and horizontally. In the sorting net 18, one side in the front-rear direction is on the supply side 19, the other side is on the discharge side 20, one side in the left-right direction is on the upper side 21, and the other side is on the lower side 22.
In the grain sorting apparatus in which the supply side 19 is higher than the discharge side 20 and the rocking side 21 is higher than the rocking side 22 in both the front, back, left, and right directions, between the windmill 3 and the sorting net 18, On either the wind tunnel 2 or the swing frame 12, a punched perforated plate 4 for making the wind of the wind turbine 3 uniform.
Since it is a grain sorting device with 3 attached, the wind of the windmill 3 can be made uniform by the simplest method. Further, according to the present invention, in the grain sorting apparatus, since the sorting net 18 is a grain sorting apparatus having an adjustable tilt angle, the tilt can be adjusted to an optimum gradient according to the type of grain. Further, according to the present invention, in the grain sorting device, the sorting net 18 has a structure in which an upper net 23 made of a woven net and a punched perforated plate 25 in which a number of air holes 24 are punched are polymerized. Since it is a grain sorter, it is suitable for sorting scrap rice.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view.

FIG. 2 is a vertical sectional front view.

FIG. 3 is a sectional view showing the operating state of the screening net.

FIG. 4 is a bird's-eye view of the working state of the sorting network.

[Explanation of symbols]

1 ... Fixed case, 2 ... Wind tunnel, 3 ... Windmill, 4 ... Suction port, 5
... Blowout port, 6 ... Wind wheel shaft, 7 ... Passive pulley for wind turbine shaft, 8
... Drive shaft, 9 ... Eccentric wheel, 10 ... Rod, 11 ... Passive pulley of drive shaft, 12, 12a ... Wind tunnel and swing frame, 13 ...
Shaft, 14 ... Inclined swing support bar, 15 ... Motor, 16 ... Drive pulley, 17 ... Belt, 18 ... Sorting net, 19 ... Supply side, 20 ... Discharge side, 21 ... Swing up side, 22 ... Swing down side, 23
... Upper net, 24 ... Air holes, 25 ... Punched perforated plate, 26, 27 ...
Partition plate, 28 ... Brown rice outlet, 29 ... Middle rice outlet, 30
… Scrap rice outlet, 31… Supply device, 32… Supply gutter, 33…
Supply port, 34 ... Dam plate, 35 ... Adjusting screw, 36 ... Overhang port,
37 ... waste rice sorting plate, 38 ... lower net, 39 ... waste rice flow plate, 40
... Clogging removal balls, 41 ... Partition bars, 42 ... Ejection gutters, 4
3 ... punched perforated plate, a ... brown rice, b ... scrap rice.

Front page continued (72) Inventor Toshiaki Kobayashi Yamamoto Manufacturing Co., Ltd. 404 Oonomori, Tendo City, Yamagata Prefecture (72) Motoyuki Suzuki Motoyuki Mori 404 No.Oromori, Tendo City, Yamagata Prefecture Yamamoto Manufacturing Co., Ltd.

Claims (3)

[Claims] 1. A wind tunnel 2 having a wind turbine 3 provided in a fixed case 1 for blowing wind upward, a swing frame 12 provided at an upper part of the wind tunnel 2, and a tension frame stretched on the swing frame 12. The sorting net 18 that blows the wind upwards, a supply device 31 that feeds grain onto the sorting net 18, and a swing mechanism that reciprocally swings the sorting net 18 in the left-right oblique up and down directions. The net 18
The one side in the front-rear direction is the supply side 19, the other side is the discharge side 20, the one side in the left-right direction is the swing-up side 21 and the other side is the swing-down side 22, and the supply side 19 is higher than the discharge side 20. Swinging 2
1 is a grain sorting apparatus that is higher than the swaying side 22 and is inclined in both the front-rear and left-right directions. In the grain winder 2 or the swing frame 12 between the windmill 3 and the sorting net 18, the windmill A grain sorter equipped with a punched perforated plate 43 to make the wind of 3 uniform. 2. The grain sorting apparatus according to claim 1, wherein the sorting net 18 has an adjustable tilt angle. 3. The selection network 18 according to claim 1,
A grain selection device having a configuration in which two sheets of an upper net 23 made of a woven net and a punched perforated plate 25 in which numerous air holes 24 are punched are polymerized.