JPH05185038A - Rocking device in rocking sorting device - Google Patents

Abstract

PURPOSE:To efficiently perform separation of unpolished rice and paddy by freely adjusting a rocking oblique angle in the rocking downside in the case of rocking a rocking sorting plate obliquely and vertically in the lateral direction by a rocking arm in a rocking sorting device equipped with the rocking sorting plate with unevennesses for sorting formed thereon. CONSTITUTION:A rice husking and sorting machine has an unwinnowed rice air-sorting part for air-sorting unwinnowed rice supplied from a rice husking part. Unwinnowed rice after air sorting is sorted into paddy and unpolished rice by a rocking sorting device. The rocking sorting device is equipped with a rocking sorting plate 21 with unevennesses for sorting formed thereon. The rocking sorting plate 21 is freely rocked via rocking arms 22a, 22b by rotation of a crankshaft 23. One side in the longitudinal direction is regulated to a high feed side 21a and the other side is regulated to a low discharge side 21b. Further, the high side in the lateral direction is regulated to the rocking upside 21c and the low side is regulated to the rocking downside 21d. In this case, the rocking arms 22b, 22b in the rocking downside 21d are regulated to a sharply oblique state in comparison with the rocking arms 22a, 22a in the rocking upside 22c. Further, the oblique angle thereof is freely adjustably set. The separation efficiency of unpolished rice and paddy is enhanced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oscillating device of an oscillating selection device for selecting mixed grains of rice, brown rice and the like.

[0002]

2. Description of the Related Art An oscillating sorting plate has irregularities for sorting on the plate surface, and is inclined vertically from the high supply side on one side to the low discharge side on the other side to obtain paddy, brown rice, etc. In the process of flowing the mixed particles from the supply side to the discharge side, the horizontal and vertical rocking sides and the rocking side are reciprocally moved up and down, while the horizontal direction is high and the specific gravity is high. There is an oscillating sorting device that sorts unpolished rice by arranging low-density paddy with a low specific gravity in the lateral direction and by distributing unsorted mixed grains in the middle of these.

Further, in swinging the swing sorting plate which is tilted both vertically and horizontally by the swing arm, the swing angle of the swing sorting plate, which is the sorting direction, is kept at a predetermined angle. Japanese Utility Model Publication No. 60-36399 discloses an attempt to adjust the inclination angle of the rocking arm on the rocking side to properly adjust the degree of collision of brown rice with the side wall on the rocking side.

[0004]

The above-mentioned conventional device cannot cope with the change in the moisture content of the grains to be sorted, and the swinging angle of the swinging sorting plate on the lateral swing side is gentle. Since it changes into a steep slope, there is a problem in that the upper layer of paddy does not easily move to the swaying side during a steep slope, and the sorting efficiency cannot be improved. Therefore, according to the present invention, the swing angle on the rocking side in the lateral direction, which is the sorting direction of the rocking sorting plate, is maintained at a predetermined angle, while the swing tilt angle on the rocking side is adjusted to change the swing angle. Improve the vertical separation of brown rice and paddy of mixed rice with high paddy ratio on the shaking side, and move the brown rice preferentially to the shaking side by the unevenness of the rocking sorting plate, It is intended to improve the separation between the brown rice submerged in the lower layer and the paddy floating on the brown rice.

[0005]

The present invention takes the following technical means in order to solve the problems of the prior art. That is, according to the present invention, the rocking sorting plate 21 on which unevenness for sorting is formed is a supply side 21a having a high vertical side and a discharge side having a low opposite side, and is orthogonal to the vertical direction. The upper side 21b, which is higher in the horizontal direction,
In the swing sorting device in which both the vertical direction and the horizontal direction are inclined with the lower side on the opposite side as the swinging side 21d, the swing sorting plate 21 is swing arms 22a, 22a, 22b, 22.
When swinging up and down in the horizontal direction at b, the swinging side 21d
The tilt angles of the swinging arms 22b, 22b of the
The rocking device of the rocking sorting device is characterized in that it is steeper than the rocking arms 22a, 22a of c and its tilt angle is adjustable.

[0006]

Embodiments of the invention shown in the drawings will be described below. First, the configuration of the embodiment will be described. This hulling / sorting machine is used after hulling in hulling part 1 for hulling, sloping rice wind selecting part 2 for wind-selecting spilled rice from hulling part 1, and sloping rice wind selecting part 2. It is composed of a rocking / sorting device 3 for sorting the scraped rice into paddy / brown rice and a fried grain conveying section 4. Then, the hulling part 1 is located in the lower front part of the machine body, the sliding rice wind selecting part 2 is located in the upper part of the rear part of the machine body, the swing selecting device 3 is in the lower part of the rear part of the machine body, and the fried grain conveying part is located on one side of the hulling part 1. The mixed rice fried machine 5 of No. 4 is replaced by the paddy fried machine 6 of the fried food transport section 4.
The brown rice fried machine 7 of the fried food conveying unit 4 is arranged on each side of the swing sorting device 3 and on the rearmost part of the machine body.

The hulling section 1 includes a hull hopper 8, a hulling roll 9,
9 is composed of a hulling chamber 10 and the like which is internally provided, and the hulled rice that has been hulled by the hulling section 1 is sent laterally by a hulled rice spiral 11 to produce mixed rice fried grains. It is configured to flow into the lower part of the machine 5. The slide-down rice wind selection unit 2 includes a slide-down rice wind selection box body 12, a slide-down rice hopper 14 and a slide-down rice hopper 14 supported in the slide-down rice wind selection box body 12 so as to be vertically movable. Slanted rice wind selection path 15, slanted rice receiving gutter 16, sliding down rice gutter 17, suction fan 19, dust collecting tube 20, sliding down rice flow path 20, etc. It is composed of.

Next, the swing selecting device 3 will be described.
The oscillating sorting plate 21 is formed with unevenness for sorting, and the supply side 2 is higher on one side in the vertical direction (direction orthogonal to the paper surface of FIG. 1).
1a, the other side opposite to it is a low discharge side 21b, and one side in the horizontal direction that is orthogonal to the vertical direction connecting the supply side 21a and the discharge side 21b is swayed to the upper side 21c, and the lower side to the other side is shaken. As the side 21d, the swing selection plate 21 is configured to be inclined on both the vertical and horizontal surfaces.

The body of the rocking / sorting device 3 includes the lower ends of the rocking arms 22a, 22a on the rocking side and the rocking arm 2 on the rocking side.
2b and 22b are pivotally supported, and swinging upper swing arms 22a and 2b
The upper end of 2a is set on the upper side of the rocking sorting plates 21, 21, ... Side, and the upper end of the lower swinging arms 22b, 22b is set on the upper side of the swinging selection plates 21, 21 ,. On the swaying side of the side frame,
The upper and lower swing arms 22 are connected to each other via pins.
a and 22a, one end of the rod 23 is connected, the other end of the rod 23 supports the crankshaft 24, and the crankshaft 24 is rotated by a drive source such as a motor.
2a, 22b, 22b swing back and forth, swing sorting plate 21,
21 ... Reciprocally swing up and down in the lateral direction. Further, the lower end shaft supporting portions of the swing arms 22b, 22b on the swing side 21d of the swing sorting plate 21 are adjustably fixed to the arc-shaped adjustment elongated holes 26 of the frame 25. The swing arm 22b of the swing selecting plate 21 has a configuration in which the same tilt angle as the swing arm 22a on the upper side of the swing selecting plate 21 can be adjusted to a steep tilt angle, and the horizontal tilt angle of the swing selecting plate 21 is set to a predetermined angle. The tilt angle of the rocking arm 22b on the rocking side can be adjusted to a steep angle while being held.

A part of the swing selecting plate 21 on the supply side 21a in the vertical direction and on the side of the swinging side 21d in the horizontal direction is hulled by the grain hulling part 1 and the falling rice wind selecting part 2 is used. The mixed rice after being wind-selected is supplied through a distribution gutter 26 and a distribution case 27. Then, the mixed rice fed to the rocking sorting plates 21, 21, ... Has a large specific gravity, a large specific gravity, a large friction coefficient, and the like. The non-separated non-separated rice and non-separated mixed rice are non-uniformly distributed in the middle part thereof. A brown rice partition plate 28 is provided on the discharge side of the rocking sorting plate 21.
By arranging the paddy partition plate 29, the brown rice is taken out to the brown rice take-out gutter 30, mixed rice is taken to the mixed rice take-out gutter 31, and paddy is taken out to the paddy take-out gutter 32, respectively. The brown rice thus extracted flows into the lower part of the brown rice fried machine 7 through the brown rice flow path 33 to be fried, taken out of the machine from the upper part of the brown rice fried machine 7, and taken out from the paddy. The paddy taken out to the gutter 32 is fried and reduced to the paddy hull part 1 through the paddy flow path 34 and the paddy grain elevator 6 to be padded again, and the mixed rice taken out to the mixed rice take-out gutter 31. Rice is mixed rice channel 35, mixed rice spiral 3
It flows into the mixed rice fried machine 5 through 6 and is fried, and is oscillated and sorted through the sliding rice hopper 14, the sliding rice wind selection path 15, the sliding rice flow path 20, the distribution gutter 23, and the distribution case 24. It is the structure which is supplied to the apparatus 3 and is re-sorted. Next, with reference to FIG. 5, an apparatus for attaching the hulling roll 9 to the hulling shaft 37 will be described. The mounting plate 3 is attached to the hulling shaft 37.
8 is fixed, the flange 39 of the hulling roll 9 is provided with a mounting hole 41 through which the bolt 40 can be inserted, and a locking long hole 42 connected to the mounting hole 41. The bolt 40 has a collar at the base end thereof. A rotary handle 44, which constitutes 40a and is pivotally supported by a pin 43, is provided. Since it is comprised in this way, when attaching the hulling roll 9 to the hulling shaft 37, the flange 39 of the hulling roll 9 is set to the mounting plate 38 of the hulling shaft 37, and the mounting hole of the flange 39 is attached. 41 and the screw hole 45 of the mounting plate 38 are aligned, the rotary handle 44 of the bolt 40 is aligned with the longitudinal direction of the bolt 40, and the rotary handle 44 is operated to rotate the bolt 40 and screw it into the screw hole 45. ,
When the screwing is completed, turn the rotary handle 44 to the bolt 40
The bolt 40 is rotated in a direction orthogonal to the above and fitted into the locking elongated hole 42 to prevent the bolt 40 from rotating. Therefore, when the hulling roll 9 is mounted, the hulling roll 9 can be mounted without using a tool and in a state in which the hulling roll 9 is locked.

Next, FIG. 6 will be described. Hulling shaft 37
At the end portion of the support hole 4 of the flange 39 on the side of the hulling roll 9
The small diameter portion 37a into which 6 can be fitted is used. A cylindrical portion 47 that can be fitted into the small diameter portion 37a at the end of the hulling shaft 37, and the hulling shaft 37.
The pressing plate 51 formed at the end of the covering pressing body 50 and the cylinder part 47, which is composed of the key part 49 that can be fitted into the key groove 48, is rotatably supported by the central part of the pressing plate 51. The mounting device is constituted by the bolts 52 that are attached. When installing the hulling roll 9, at the end of the hulling shaft 37,
Fit the support hole 46 of the flange 39 on the hulling roll 9 side,
Then, the cylindrical portion 47 of the covering pressing body 50 is fitted into the small diameter portion 37a at the end of the hulling shaft 37, and the key portion 49 on the covering pressing body 50 side is aligned with the key groove 48 of the hulling shaft 37. Then, the bolt 40 is attached to the screw hole 5 of the hulling shaft 37 with the spurner 53.
The installation is completed by screwing into 4. The flange 39 on the side of the hulling roll 9 has a key portion 49 on the side of the covering pressing body 50.
Also, since it is supported through the pressing plate 51, it is strong, and since it is tightened with one bolt, the mounting can be simplified.

Next, the operation of the embodiment will be described. When performing hulling work, the hull is supplied to the hull hopper 8 of the hulling unit 1, a power switch (not shown) and an operation switch (not shown) are turned on, and each rotating unit of the hull sorting machine is driven. ..
Then, the paddy supplied from the paddy hopper 8 to the paddy rolls 9, 9 is padded, and the paddy rice, the brown rice, and the paddy rice of the paddy husk are the paddy rice spiral 11, the mixed rice fried machine 5, the paddy rice hopper 14 After that, the light rice husks are supplied to the sludge-rice wind selection unit 2 and are air-sorted, and the light rice husks are discharged out of the machine through the suction fan 18 and the dust discharge tube 19, and the mixed rice of heavy brown rice and rice is Select path 15, sloping rice gutter 1
It is supplied to the oscillating sorting plates 21, 21, ... After passing through 7, the scraped rice flow path 20, the distribution gutter 23, and the distribution case 24.

When the oscillating sorting plates 21, 21, ... Reciprocate horizontally obliquely up and down, the mixed rice has a large grain size, a large specific gravity, and a large friction coefficient. Uneven distribution in the brown rice distribution basin on the lateral upper side 21c,
In addition, the paddy, which has a larger and lighter specific gravity than the unpolished rice, is unevenly distributed in the hull distribution basin on the lateral swaying side 21d, and the unmixed mixed rice of unpolished rice and brown rice is in the middle part of the undistributed rice basin. Uneven distribution. Since the vertical discharge side of the rocking sorting plates 21, 21, ... Is partitioned by the brown rice partition plate 28 and the paddy partition plate 29, the brown rice distributed in the brown rice distribution basin passes through the brown rice extraction trough 30 and the brown rice flow path 33. Moreover, the mixed rice distributed in the mixed rice distribution basin passes through the mixed rice extraction trough 31 and the mixed rice flow path 35, and the paddy distributed in the paddy distribution basin passes through the paddy extraction trough 32 and the paddy flow path 34. , Each one is taken out and selected.

The hulling / sorting operation is performed in this manner. When sorting grains having a high water content, the tilt angles of the swinging arms 22b, 22b on the lateral swinging side 21d are set. Make a steep slope (larger angle to the line),
When selecting grains with a low water content, the tilt angle of the rocking arm 22b on the rocking side 21d is set to a gentle tilt. Then,
Even on grains with a high water content, the rocking side 21d of the rocking sorting plate 21
At the same time, it makes a steep sway and improves the grain-to-grain texture. In addition, on the rocking side, a gentle swaying in the left-right direction is performed to promote the movement of the settled brown rice to the rocking side 21 and the movement of the paddy that has floated on the brown rice to the rocking side 21d. The efficiency can be improved.

In the above embodiment, the swing selection plate 21 is used.
The rocking arms 22b, 22b of the rocking side 21d and the rocking arms 22a, 22a of the rocking upper side 21c are of equal length, but the rocking arm 22b of the rocking side 21d is rocked up. 21c is shorter than the swing arm 22a (100: 99-95).
), And reciprocally moves diagonally up and down in the lateral direction, and swings down 21d.
Of the lower end shaft of the swing arm 22b of the circular arc-shaped adjustment slot 2
The same effect can be expected even if the configuration can be adjusted along 6.

[0016]

As described above, the rocking arms 22b, 22b on the rocking side 21d of the rocking sorting plate 21 are steeply inclined, and the rocking arm 22b on the rocking side 21d is made steep. When the rocking sorting plate 21 is rocked with this tilt angle being a gentle tilt, the mixed rice is unraveled up and down by the steep tilt rocking on the rocking side 21d of the rocking sorting plate 21 even for grains having a high water content. In this state, the subsidence of brown rice to the lower layer and the floating to the upper layer of the paddy are promoted, the movement of the brown rice to the rocking upper side 21c in the selection unevenness is promoted, and the rocking upper side 21c is swung gently. Then, the movement of the settled brown rice to the rocking side 21c and the movement of the paddy floating on the brown rice to the rocking side 21d are promoted, and the sorting efficiency can be improved.

[Brief description of drawings]

[Figure 1] Whole cut side view

FIG. 2 is a partially cut front view

FIG. 3 is a perspective view

FIG. 4 is a side sectional view and a front sectional view.

FIG. 5 is a cut side view, a front view, and a side view.

FIG. 6 is a cut side view.

[Explanation of symbols]

 1 Rice hulling part 2 Sliding rice wind selection part 3 Swing sorting device 4 Lifting grain transport part 5 Mixed rice grain lifting machine 6 Paddy grain lifting machine 7 Brown rice graining machine 8 Paddy hopper 9 Paddy roll 10 Paddy room 11 Sliding rice spiral 12 Sliding rice wind selection box 13 Spring 14 Hopper 15 Sliding rice wind selection path 16 Polished rice receiving gutter 17 Sliding rice receiving gutter 18 Suction fan 19 Dust collecting cylinder 20 Sliding rice flow path 21 Shaking Dynamic sorting plate 22a Swing upper swing arm 22b Swing lower swing arm 23 Rod 24 Crankshaft 25 Frame 26 Distribution gutter 27 Distribution case 28 Brown rice partition plate 29 Paddy partition plate 30 Brown rice removal gutter 31 Mixed rice removal gutter 32 Paddy extraction gutter 33 Brown rice flow path 34 Paddy flow path 35 Mixed rice flow path 36 Mixed rice spiral 37 Rice hull shaft 37a Small diameter part 38 Mounting plate 39 Flange 40 Bolt 40a Brim 41 Mounting plate 42 Locking long hole 43 pin 44 Rotating handle 45 screw hole 4 Supporting hole 47 tubular portion 48 keyway 49 key portion 50 covering the pressing member 51 pressing plate 52 bolt 53 Suppana 54 screw hole

Claims (1)

[Claims] 1. An oscillating sorting plate 21 on which unevenness for sorting is formed is a supply side 21a whose one side in the vertical direction is high and a discharge side 21b which is the other side opposite to it, and is orthogonal to this vertical direction. In the rocking / sorting device in which both the vertical direction and the lateral direction are tilted, one side in the horizontal direction being the upper side 21c and the other side, the lower side being the lower side 21d, are inclined.
When the swing arm 22a, 22a, 22b, 22b is slanted vertically up and down, the tilt angle of the swing arm 22b, 22b of the swing side 21d is set to be smaller than that of the swing arm 22a, 22a of the swing side 22c. A rocking device of a rocking / sorting device, which is steeply tilted and whose tilt angle is adjustable.