JPH10156197A - Automatic control method for husking separator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provided a perfect husking method. SOLUTION: The current values of a motor 74 for a husking roll are measured for a specified period of time. The initial max. current value Cmax, the initial min. current value Cmin and an initial average current value Cave are than measured. The initial average current value Cave is set as a comparative reference current value D when the difference between the initial max. current value Cmax and the initial min. current value Cmin is within 10% of the initial average current value Cave. The current values of the motor 74 for the husking roll are thereafter measured for a specified period of time after prescribed time intervals. The working max. current value Emax, the working min. current value Emin and a working average current value Eave are then measured. the working average current value Eave at the time when the difference between the working max. current value Emax and the working min. current value Emin is within 10% of the working average current value Eave, is compared with the comparative reference current value D. The husking roll is positioned closer when the working average current value Eave < the comparative reference current value D×0.95 and the husking roll is parted when the working average current value Eave > the comparative reference current value D×1.05.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic control method in a hulling sorter.

[0002]

2. Description of the Related Art Conventionally, Japanese Patent Publication No. Sho 63-15026 discloses a method in which paddy rice put into a supply hopper is hulled by a pair of hulling rolls. It is described that a device which is automatically bonded to the device and then opened by 1 mm by a timer to make an initial setting. Also, as disclosed in Japanese Patent Application Laid-Open No. 58-11474.
Japanese Patent Application Publication No. 2 (JP-A) No. 2 discloses an apparatus that automatically adjusts the roll gap based on the loss rate and the current value. Moreover, the hulling sorter of FIG. 1 is also known. In FIG. 1, A is a hulling wind selecting unit, B is a swing sorting unit, and the hulling wind selecting unit A has a pair of left and right rubber rolls axle mounted on the upper part and wind-selects hulling below the rubber rolls a. The wind selection part b is formed. In the swinging sorting unit B, a sorting device d in which sorting plates c are stacked in multiple stages of 5 to 6 stages is provided, and a bucket elevator e is provided behind the hulling wind sorting unit A to fry the mixed rice, A storage tank f is provided at the discharge port of the bucket elevator e, and is equally distributed to the swing sorting plates c of each stage via the distribution device g. A supply hopper h is provided above the hulling wind selection unit A, and when rice is supplied to the supply hopper h, hulling is performed by a rubber roll a, and hulling that is air-selected by the breeze unit b is blown by a blower i. The hulled rice is lifted by a bucket elevator e and stored in a storage tank f.
And is supplied to the sorting device d from the distributing device g. In the sorting device d, the rice is separated into paddy rice, mixed rice, and brown rice by rocking, the brown rice is taken out as a finished rice by the finished rice thrower j, and the mixed rice is returned to the bucket elevator e to be re-sorted. Is returned to the supply hopper h and hulled again.

[0003]

SUMMARY OF THE INVENTION The above-mentioned known Japanese Patent Publication No. Sho 6
The automatic control of the hulling device described in Japanese Unexamined Patent Publication No. 3-15026 is designed to hulling at a determined roll interval from start to end, and therefore cannot cope with the strength of the hulling due to the variety quality.
In addition, as disclosed in Japanese Patent Application Laid-Open No. 58-114742, the difference in the loss rate due to the difference in variety quality is as follows.
There is a problem in that the current value cannot be detected. Therefore, in the present application, manual adjustment is once performed visually according to the state of the paddy rice, and then automatic adjustment is performed.

[0004]

OBJECTS OF THE INVENTION Complete, automatic control.

[0005]

Accordingly, the present invention provides a rice hopper fed into a supply hopper, which is crushed by a pair of crushing rolls, and the crushed rice is sucked and discharged by a blasted rice blower, and the rice is selected by wind. The mixed rice is separated into paddy rice, brown rice and mixed rice by a rocking sorter, the rice is returned to the supply hopper and re-hulled, and the mixed rice is returned to the rocking sorter and re-sorted. In the hulling sorter which takes out as finished rice, in starting the hulling work, the gap value between the hulling rolls 33 and 34 is opened by the roll gap adjusting motor 63 to change the current value a of the unloaded hulling roll motor 74. Measurement, then the gap between the hulling rolls 33, 34 is narrowed by the roll gap adjusting motor 63 to measure the current value b of the hulling roll motor 74,
The current value a and the current value b are compared, and if the current value a <the current value b, it is determined that the hulling rolls 33 and 34 are in contact, and then the gap between the hulling rolls 33 and 34 is determined by the roll gap adjusting motor 63. The initial setting is extended for a predetermined time, and the rice is supplied in this state to start the hulling operation. When the mixed rice is supplied on the sorting plate 9, the brown rice width and the rice rice width are visually measured, and the brown rice width is large. When it is determined that the fine movement switch 77 is manually operated, the hulling rolls 33, 3
4 is widened, and when it is visually determined that the rice grain width is large, the fine movement switch 77 is manually operated to narrow the gap between the hulling rolls 33 and 34 by the roll gap adjusting motor 63, and the hulling roll gap is manually set. After completing the adjustment of the current, the current value of the hulling roll motor 74 is measured for a certain period of time to measure the initial maximum current value Cmax, the initial minimum current value Cmin, and the initial average current value Cave, and the initial maximum current value Cmax and the initial minimum current value are measured. When the difference between the current values Cmin is within 10% of the initial average current value Cave, the initial average current value Cave is set as a comparison reference current value D, and thereafter, after a predetermined interval, a hulling roll motor 74 is provided. The maximum current value Emax, the minimum current value Emin, and the average current value Eave are measured, and the difference between the maximum current value Emax and the minimum current value Emin is the average current value.
The work average current value Eave within 10% of Eave is compared with the comparison reference current value D. When the work average current value Eave <comparison reference current value D × 0.95, the hulling roll is brought close to the work average current value. When the current value Eave> the comparison reference current value D × 0.95, the automatic control method is used in the hulling sorting device that separates the hulling rolls. In the first aspect, the fixed time is about 180 seconds, and the method is an automatic control method in a hulling sorter. In claim 1,
The predetermined interval time is about 30 seconds, which is an automatic control method in the hulling sorter. In claim 1, the initial maximum current value Cmax, the initial minimum current value Cmin, and the initial average current value Cave are obtained by measuring the current value of the hulling roll motor 74 at intervals of 2 seconds over 3 minutes. This is an automatic control method in the required sorting device.
Further, in claim 1, when the work average current value Eave <the comparison reference current value D × 0.95, the hulling rolls are brought close to each other, but the time is 0.15 seconds. It is what it was. Further, in claim 1, when the work average current value Eave> the comparison reference current value D × 0.95, the hulling roll is separated, but the time is 0.15 seconds, and the automatic control method in the sorting device is set to 0.15 seconds. It is what it was.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. In FIG. 2, reference numeral 1 denotes a hulling unit, 2 denotes a swing sorting unit, and both the hulling unit 1 and the swing sorting unit 2 have a front rectangular box shape. Designed,
The hulling unit 1 is slightly higher than the swing sorting unit 2 and the hulling unit 1
A rice paddy discharge blower 3 is provided on the left side on the side, and a finished rice thrower 4 is provided on the right side on the swing sorting section 2 side. A mixed rice bucket elevator 5 is provided behind the hulling unit 1, and a fixed storage tank 6 is provided at an outlet of the mixed rice bucket elevator 5.
Is provided.

[0007] As shown in Figs. 3 and 4, a swing sorting device 7 provided in the swing sorting unit 2 includes a distributing device 8 at an upper portion thereof.
At the lower part, there are provided a group of several stacked sorting plates 9,
Is supported by an underframe 10 by a swing support rod 11 (FIG. 3), and is formed so as to swing left and right when the cam wheel 12 is rotated by a motor 13. The sorting plate 9 has a constant outflow angle in the front-rear direction, but a distribution angle in the left-right direction is formed so as to be adjustable in accordance with a sorting state. When the right side is moved up and down around the center 16, the right and left inclination is changed. This adjustment is performed through the viewing window 17.
The switch 18 is operated by observing the sorting state from FIG. 2 (FIG. 2). As shown in FIG. 4, the distributing device 8 has a bottom plate 19 formed in a stepped shape so that the grains move rightward by swinging, and the abutting portion in the moving direction reaches the sorting plate 9 of each stage. A division port 20 is formed.

Each of the sorting plates 9 is low on the front side and high on the rear side and is inclined in the front-rear direction.
And a second partition plate 22 are provided. The right side of the first partition plate 21 is a brown rice discharge unit 23, and a portion between the first partition plate 21 and the second partition plate 22 is a mixed rice discharge unit 24, and the second partition plate 22 is provided. On the further left side is a paddy rice discharging unit 25, as shown in FIG. 4, the first partition plate 21 is a screw rod 27 rotated by a second adjustment motor 26, and the second partition plate 22 is a screw rod rotated by a third adjustment motor 28. 29 is a structure that can freely move in the left-right direction.

Next, the structure of the hulling unit 1 will be described.
The hulling unit 1 formed in the shape of a front box is provided with a supply hopper 30 at the top, and a bottom plate 31 of the supply hopper 30.
The supply port 32 is formed so as to be lower toward the right swing sorting unit 2 side, and the supply port 32 is formed at a position shifted to the right side, and a pair of hulling rolls 33, 34 is provided below the supply port 32. Right hulling roll 34 of low height among hulling rolls 33 and 34
Is fixed by rotating with a fixed roll. The hulling roll 33 on the left side, which is high, is a movable roll, and is provided so as to be freely movable toward and away from the fixed roll.

At the lower position of the hulling rolls 33 and 34, there is provided a wind selection path 35 whose left side is higher, and at the lower left side of the wind selection path 35 a paddy wheel 36 having an impeller 36 whose axis is in the front-rear direction. A discharge blower 3 is provided. Reference numeral 37 denotes an inclined bottom plate of the wind selection path 35.
Is provided on the mixed rice receiving gutter 38, and a conveyor 39 for conveying the mixed rice backward is provided. The discharge portion of the conveyor 39 is connected to the lower end of the mixed rice bucket elevator 5.
Reference numeral 40 denotes a paddy gutter trough 40 reaching the impeller 36, a second trough 41 is provided between the mixed rice trough 38 and the paddy gutter trough 40, and a second trough 41 is provided on the second trough 41. A conveyor 42 is provided, and the second conveyor 42 is provided with a second slower 43.

The second thrower 43 is connected to a return paddy trough 44 provided above the mixed rice trough 38. A switching valve 46 is provided in the middle of the jumping cylinder 45 as shown in FIG. When the switching valve 46 is switched to the position indicated by the solid line, the second product is taken out of the machine via the takeoff gutter 47.

A brown rice outlet 48, a mixed rice outlet 49, and a paddy rice outlet 50 are provided below the sorting plate 9 of the swinging sorting unit 2 on the discharge side, and the brown rice outlet 48 and the mixed rice outlet 50 are provided. 4
At the lower part of 9 is a finished rice spiral 51 of a uniaxial opposite spiral in the left-right direction.
And a mixed rice spiral 52 is provided, and a finished rice spiral 51 on the right side, which conveys brown rice from the brown rice outlet 48, is connected to the finished rice slower 4 having an impeller 53, and a mixed rice outlet 49.
The mixed rice spiral 52 for conveying the mixed rice from the rice is connected to face the mixed rice receiving trough 38. Rice paddy outlet 50
Is connected so as to face the return paddy trough 44, and the returned paddy collected in the return paddy trough 44 is returned to the supply hopper 30 by the return slotter 54 and reprocessed.

In FIG. 2, reference numerals 60 designate inspection windows provided on both front and rear sides of the fixed storage tank 6. The inspection windows 60 are used to adjust the amount of hulling by checking the remaining state of the mixed rice.

FIG. 7 shows the supply hopper 30 and the hulling roll 3
It is an example of the enlarged view of 3 and 34, the return chamber 61 is formed in the side part of the supply hopper 30, and the switching valve 62 is provided between the supply hopper 30 and the return chamber 61, and the switching valve 62 is one side. When switched, grains are supplied from the supply hopper 30,
When the switching valve 62 is switched to the other side, the grains are supplied from the return chamber 61. Further, a screw 64 that is rotated by a roll gap adjusting motor 63 is screwed into the top 65 provided on the support arm 65a of the hulling roll 33, and the roll gap is adjusted by rotating the roll gap adjusting motor 63 forward and reverse. .

FIG. 8 is a cross-sectional view of the hulling unit 1. The hulling chamber 67 having the hulling rolls 33 and 34 is provided at the uppermost part of the hulling unit 1. A wind selection chamber 68 is formed at the lower part of the 67, and the supply hopper 30, the hulling chamber 67, and the wind selection chamber 68 are connected to the rear wall 7 respectively.
2 and a front wall 73 to form a substantially rectangular hulling unit 1, and a hulling drive chamber 69 between the hulling chamber 67 and the rear wall 72.
Between the wind selection chamber 68 and the rear wall 72.
A return device room 70 is formed between the wind selection room 68 and the front wall 73. 74 is a hulling roll motor, 78
Is a supply shutter.

FIGS. 9 and 10 show the hulling roll 3 of the present invention.
FIG. 11 shows a control switch board 81, and FIG. 11 shows an operation switch 75 of a hulling roll motor 74, a stop switch 76, and a stop switch 77.
Is a fine movement switch (slight movement switch) for finely rotating the roll gap adjusting motor 63, 79 is a supply shutter detection switch which is provided near the supply shutter 78 and is turned on when the supply shutter 78 is opened, and 80 is pressed This is a roll gap automatic adjustment switch that is turned on only at the time.

In FIG. 9, the operation switch 75 of the hulling roll motor 74 is turned on (step 2), and the detection switch 79 detects that the supply hopper 30 is closed (step 3). When the roll gap automatic adjustment switch 80 is manually pressed (Step 4), the roll gap adjustment motor 63 is energized in the normal rotation direction for a predetermined time (for example, 5 seconds) to widen the roll gap, and the hulling rolls 33 and 34 are not used. It rotates under load. The no-load current a of the hulling roll motor 74 at this time is measured (step 6).
And store it in the CPU. Then, in step 7, the hulling roll motor 74 is automatically reversed in the direction in which the rolls contact each other. The contact of the hulling roll can be detected by comparing the current value b of the hulling roll motor 74 during reverse rotation with the no-load current value a. When the hulling rolls 33 and 34 come into contact with each other, the hulling roll The current value b of the motor 74 becomes larger due to the contact resistance.
Returning to step 7 to continue the reverse rotation, and when a <b becomes YES, the roll gap adjusting motor 63 is automatically rotated forward for a predetermined time (for example, about 1.2 seconds) by a timer, and The initial setting is completed by widening the interval between the rolls 33 and 34 to about 0.8 mm (step 10).

Next, the supply shutter 78 of the supply hopper 30 is manually opened (step 11), and
Although the hulling is performed at 3, 34, the interval between the hulling rolls 33, 34 is initially set to about 0.8 mm as described above. However, when the rice is poorly dried, the rice is not hulled much.
Then, the mixed rice which has flown onto the sorting plate 9 for manual fine adjustment by visual observation is seen, and when the hulling is strong, the upper part of the fine movement switch 77 in FIG.
The hulling roll interval is widened from the initial setting, and when the hulling is weak, the lower part of the fine movement switch 77 is pressed to narrow the hulling roll interval from the initial setting. In the adjustment by the fine movement switch 77, when pressed once, the roll gap is adjusted by about 0.2 mm.

After the manual fine adjustment is completed as described above, the roll gap automatic adjustment switch 80 is pressed again to automatically adjust the roll gap. Then, it is automatically set as shown in the flow of FIG. That is, when the roll gap automatic adjustment switch 80 is manually pressed, first, the current value of the hulling roll motor 74 is measured 90 times at 2 second intervals over 3 minutes, and the initial average current value for 3 minutes is measured.
Cave, an initial maximum current value Cmax, and an initial minimum current value Cmin are obtained (step 15). If the difference between the obtained initial maximum current value Cmax and the initial minimum current value Cmin exceeds 10% of the initial average current value Cave (step 16), it is determined that the operation is not yet stable at the beginning of the automatic operation. Therefore, the measurement is repeated, and this is repeated until the difference between the initial maximum current value Cmax and the initial minimum current value Cmin is within 10% of the initial average current value Cave.

Steps 15 and 16 are performed in parallel every two seconds. That is, after starting the measurement for the first three minutes, the measurement for the next three minutes is started two seconds after that, and the current measurement is started one after another in this manner, and the difference between the initial maximum current value Cmax and the initial minimum current value Cmin is obtained. Is within 10% of the initial average current value Cave and the current is stable, then the average current value Ca at that time
ve is set as the comparison reference current value D (step 1).
7).

During the subsequent automatic operation, the current value of the hulling roll motor 74 during the work is measured for 3 minutes, and the work maximum current value Emax, the work minimum current value Emin, and the work average current value Eave are measured. (Step 18), the maximum work current value Emax
Is the difference between the work average current value Eave and the work minimum current value Emin.
%, The work average current value Eave is compared with the comparison reference current value D (step 20), and the work average current value Eave <
When the comparative reference current value is D × 0.95, the roll gap adjusting motor 63 is operated for 0.15 seconds to bring the hulling roll close to 0.1 mm (step 22). Conversely, the work average current value Eave> comparison reference current value D × When it is 0.95, the hulling roll is separated by 0.1 mm (step 24).

Steps 18 to 25 are performed in parallel at intervals of 30 seconds, and the current measurement for three minutes (step 18) starts measurement every 30 seconds.

[0023]

Next, the operation will be described. (General hulling action) Put rice into the supply hopper 30,
When the supply shutter 78 of the supply hopper 30 is opened, the hulling is performed by the hulling rolls 33 and 34, and the hulling is sucked in the air selection path 35 in the air selection chamber 68, released by the hulling discharge blower 3, and air-selected. The mixed rice falls into the mixed rice receiving trough 38, is sent back by the conveyor 39, is supplied to the lower end of the mixed rice bucket elevator 5, is fried, and is stored in the fixed storage tank 6.

When the open / close shutter of the fixed storage tank 6 is opened as appropriate, the mixed rice is supplied from the fixed storage tank 6 to the distribution device 8 and moves to the dividing port 20 by the vibration of the bottom plate 19 of the distribution device 8, and the divided rice is divided. It is divided at the mouth 20 and supplied to the sorting plate 9 of each stage. The sorting plate 9 is swung right and left by the cam wheel 12 rotated by the motor 13, but a large number of swinging projections which can swing to the right in the drawing are formed on the plate surface of the sorting plate 9, so that the specific gravity is heavy. Brown rice moves to the right side in the figure, and rice with a low specific gravity moves to the left side in reaction, and mixed rice that is not separated is distributed in the center. The brown rice collected in the brown rice discharge section 23 on the right side falls into the brown rice outlet 48, and the finished rice spiral 5
At 1, it is transferred to the right, flows into the impeller 53 of the finished rice thrower 4, and is jumped up and taken out.

The sorting state of the sorting plate 9 can be seen through the see-through window 17, but if the grain is too close to the brown rice discharge section 23 side, the switch 18 must be turned off because the right and left inclination is not enough. Operate the first adjusting motor 14 of FIG.
, The screw rod 15 is rotated to raise the right side of the selection plate 9, and in the opposite case, the first adjustment motor 14 is reversed to lower the right side of the selection plate 9. In addition, finished rice slower 4
When a small amount of paddy rice is mixed in the brown rice taken out in step 2, the position of the first partition plate 21 is too close to the left, so that the second adjusting motor 26 is energized to rotate the screw rod 27. Then, the first partition plate 21 is moved to the right.

In the above sorting, the mixed rice dropped from the mixed rice outlet 49 is moved to the left by the mixed rice spiral 52, collected in the mixed rice receiving trough 38, and fried by the mixed rice bucket elevator 5. Further, the paddy rice extracted at the paddy rice outlet 50 is collected in the return paddy trough 44 and supplied to the supply hopper 3 by the return thrower 54.
It is returned to 0 and hulled again.

(Operation unique to the present invention) FIGS. 9 and 10 show a hulling roll gap control flow of the present invention, and FIG. 11 shows a switch panel. Then, in FIG. 9, the operation switch 75 of the hulling roll motor 74 is turned on (step 2), and the detection switch 79 detects that the supply hopper 30 is closed (step 3). When the adjustment switch 80 is manually pressed (step 4), the roll gap adjusting motor 63 is energized in the normal rotation direction for a predetermined time (for example, 5 seconds) to widen the roll gap, and the hulling rolls 33 and 34 are not loaded. Rotate. The no-load current a of the hulling roll motor 74 at this time is measured (step 6).
And store it in the CPU. Then, in step 7, the hulling roll motor 74 is automatically reversed in the direction in which the rolls contact each other. The contact of the hulling roll can be detected by comparing the current value b of the hulling roll motor 74 during reverse rotation with the no-load current value a. When the hulling rolls 33 and 34 come into contact with each other, the hulling roll The current value b of the motor 74 becomes larger due to the contact resistance.
Returning to step 7 to continue the reverse rotation, and when a <b becomes YES, the roll gap adjusting motor 63 is automatically rotated forward for a predetermined time (for example, about 1.2 seconds) by a timer, and The initial setting is completed by widening the interval between the rolls 33 and 34 to about 0.8 mm (step 10).

Next, the supply shutter 78 of the supply hopper 30 is manually opened (step 11), and
Although the hulling is performed at 3, 34, the interval between the hulling rolls 33, 34 is initially set to about 0.8 mm as described above. However, when the rice is poorly dried, the rice is not hulled much.
Then, the mixed rice which has flown onto the sorting plate 9 for manual fine adjustment by visual observation is seen, and when the hulling is strong, the upper part of the fine movement switch 77 in FIG.
The hulling roll interval is widened from the initial setting, and when the hulling is weak, the lower part of the fine movement switch 77 is pressed to narrow the hulling roll interval from the initial setting. When the fine movement switch 77 is pressed once, the roll gap is adjusted by about 0.2 mm.

When the manual fine adjustment is completed as described above, the roll gap automatic adjustment switch 80 is pressed again to automatically adjust the roll gap. Then, it is automatically set as shown in the flow of FIG. That is, when the roll gap automatic adjustment switch 80 is manually pressed, first, the current value of the hulling roll motor 74 is measured 90 times at 2 second intervals over 3 minutes, and the initial average current value for 3 minutes is measured.
Cave, an initial maximum current value Cmax, and an initial minimum current value Cmin are obtained (step 15). If the difference between the obtained initial maximum current value Cmax and the initial minimum current value Cmin exceeds 10% of the initial average current value Cave (step 16), it is determined that the operation is not yet stable at the beginning of the automatic operation. Therefore, the measurement is repeated, and this is repeated until the difference between the initial maximum current value Cmax and the initial minimum current value Cmin is within 10% of the initial average current value Cave.

Steps 15 and 16 are performed in parallel every two seconds. That is, after starting the measurement for the first three minutes, the measurement for the next three minutes is started two seconds after that, and the current measurement is started one after another in this manner, and the difference between the initial maximum current value Cmax and the initial minimum current value Cmin is obtained. Is within 10% of the initial average current value Cave and the current is stable, then the average current value Ca at that time
ve is set as the comparison reference current value D (step 1).
7).

During the subsequent automatic operation, the current value of the hulling roll motor 74 during the work is measured for 3 minutes, and the work maximum current value Emax, the work minimum current value Emin, and the work average current value Eave are measured. (Step 18), the maximum work current value Emax
Is the difference between the work average current value Eave and the work minimum current value Emin.
%, The work average current value Eave is compared with the comparison reference current value D (step 20), and the work average current value Eave <
When the comparative reference current value is D × 0.95, the roll gap adjusting motor 63 is operated for 0.15 seconds to bring the hulling roll close to 0.1 mm (step 22). Conversely, the work average current value Eave> comparison reference current value D × When it is 0.95, the hulling roll is separated by 0.1 mm (step 24).

The processes of steps 18 to 25 are performed in parallel at intervals of 30 seconds, and the current measurement for 3 minutes (step 18) starts measurement every 30 seconds. Also, during the automatic operation, the roll gap automatic adjustment switch 80 is again turned on.
Is pressed, the automatic adjustment of the roll gap is stopped (step 26).

[0033]

As described above, according to the present invention, the paddy rice put into the supply hopper is crushed by a pair of crushing rolls, and the pulp is sucked and discharged by a pulp discharging blower. The mixed rice is separated into paddy rice, brown rice and mixed rice with a rocking sorter, the rice is returned to the supply hopper and re-hulled, and the mixed rice is returned to the rocking sorter and re-sorted, and brown rice is finished. In the hulling sorter that takes out rice, when starting the hulling work, the gap value between the hulling rolls 33 and 34 is opened by the roll gap adjusting motor 63 to measure the current value a of the unloaded hulling roll motor 74. Then, the gap between the hulling rolls 33 and 34 is narrowed by the roll gap adjusting motor 63, and the current value b of the hulling roll motor 74 is measured.
When the current value a <the current value b is compared with the current value b, it is determined that the hulling rolls 33 and 34 are in contact with each other, and then the gap between the hulling rolls 33 and 34 is determined by the roll gap adjusting motor 63 for a predetermined time. Spread the initial setting, supply the hulled rice in this state, start the hulling work, and when the mixed rice is supplied on the sorting plate 9, visually measure the brown rice width and the hulled rice width and determine that the brown rice width is large. When the fine movement switch 77 is manually operated, the gap between the hulling rolls 33 and 34 is widened by the roll gap adjustment motor 63, and when it is visually determined that the rice rice width is large, the fine movement switch 77 is manually operated. Roll gap adjusting motor 63
By narrowing the gap between the hulling rolls 33 and 34, and after manually adjusting the hulling roll gap, the current value of the hulling roll motor 74 is measured for a certain period of time, and the initial maximum current value Cmax and the initial minimum current value Cmin The initial average current value Cave is measured, and when the difference between the initial maximum current value Cmax and the initial minimum current value Cmin is within 10% of the initial average current value Cave, the initial average current value Cave is set as the comparison reference current value D. After that, the current value of the hulling roll motor 74 is measured for a certain period of time after a predetermined interval, and the work maximum current value Emax and the work minimum current value Em are measured.
in and the work average current value Eave, and the work maximum current value Em
The difference between ax and the minimum work current value Emin is 1 of the work average current value Eave.
The work average current value Eave at 0% or less is compared with the comparison reference current value D, and the work average current value Eave <comparison reference current value D ×
When the value is 0.95, the hulling rolls are brought close to each other, and when the average working current value Eave> the comparison reference current value D × 0.95, the hulling rolls are separated from each other. From b. At the start of the hulling work, the supply shutter 78 is closed by a manual operation and the hulling roll motor 74 is energized in an idle state without supplying the hulled rice to rotate the hulling rolls 33 and 34, and then the roll gap The gap between the hulling rolls 33, 34 is automatically opened by the adjusting motor 63, the current value a of the hulling roll motor 74 at that time is automatically measured, and then the hulling roll 33,
Automatically shrink the gap of 34, the hulling roll motor 74
Is automatically measured, and the current value a and the current value b are automatically measured.
If the current value a <the current value b in comparison with the above, it is determined that the hulling rolls 33 and 34 are in contact, and then the gap between the hulling rolls 33 and 34 is automatically slightly widened by the roll gap adjustment motor 63. Since the initial setting is performed, the initial setting can be easily performed. B. After the initial setting, the rice is manually supplied to start the hulling,
When the mixed rice is supplied and separated on the sorting plate 9 by the start of the hulling, the widths of the brown rice and the rice are visually measured, and when it is determined that the brown rice is large, the fine movement switch 77 is manually operated to operate the roll gap adjusting motor 63. To widen the gap between the hulling rolls 33 and 34, and when it is visually determined that there is a lot of rice, the fine movement switch 77 is manually operated to narrow the gap between the hulling rolls 33 and 34 by the roll gap adjustment motor 63. Easy, complete readjustment. C. When the manual fine adjustment is completed, the roll gap automatic adjustment switch 80 is pressed for automatic adjustment. In the automatic adjustment, the current value of the hulling roll motor 74 is measured for a certain period of time, and the initial maximum current value Cmax and the initial minimum current value Cmin are set. Initial average current value Ca
ve, the initial maximum current value Cmax and the initial minimum current value Cmin
When the difference is within 10% of the initial average current value Cave, the initial average current value Cave is set as a comparison reference current value D,
After that, the current value of the hulling roll motor 74 is measured for a certain period of time after a predetermined interval, and the work maximum current value Emax, the work minimum current value Emin, and the work average current value Eave are measured, and the work maximum current value Emax is measured. The comparison between the work average current value Eave and the comparison reference current value D when the difference between the work average current value Emin and the work minimum current value Emin is within 10% of the work average current value Eave is made. At 95, bring the hulling roll close to
When the work average current value Eave> comparison reference current value D × 0.95, the hulling rolls are separated, so that automatic control can be performed accurately and easily.

[Brief description of the drawings]

FIG. 1 is a front view of a prior example.

FIG. 2 is a front view of the present application.

FIG. 3 is a front view of the inside of the swing sorting section of the present application.

FIG. 4 is a vertical sectional front view of the same part.

FIG. 5 is a front view showing a second thrower and a return thrower.

FIG. 6 is a sectional view of a second thrower.

FIG. 7 is a front view of the roll opening / closing device.

FIG. 8 is a vertical sectional side view of the hulling unit.

FIG. 9 is a hulling flow diagram.

FIG. 10 is a hulling flow diagram.

FIG. 11 is a front view of the switch.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Hulling part, 2 ... Pulling sorter, 3 ... Powder discharge blower, 4 ... Finished rice thrower, 5 ... Mixed rice bucket elevator, 6 ... Fixed storage tank, 7 ... Pulling sorter, 8 ... Distributor , 9 ... sorting plate, 10 ... underframe, 11 ... swinging support rod, 1
2 ... Cam wheel, 13 ... Motor, 14 ... First adjustment motor, 1
5: Screw rod, 16: Shaft attachment part, 17: Transparent window, 18: Switch, 19: Bottom plate, 20: Split port, 21: First partition plate,
Reference numeral 22: second partition plate, 23: brown rice discharge section, 24: mixed rice discharge section, 25: paddy rice discharge section, 26: second adjustment motor, 27
... Screw rod, 28 ... Third adjustment motor, 29 ... Screw rod, 30
... Supply hopper, 31 ... Bottom plate, 32 ... Supply port, 33 ... Hulling roll, 34 ... Hulling roll, 35 ... Winding path, 36 ... Wing wheel, 37 ... Sloped bottom plate, 38 ... Mixed rice gutter, 39 ... Conveyor, 40 ... paddy gutter trough, 41 ... 2nd trough, 42 ... 2nd conveyor, 43 ... 2nd slower, 44 ... return paddy trough, 45
... jumping cylinder, 46 ... switching valve, 47 ... extraction gutter, 48 ... brown rice outlet, 49 ... mixed rice outlet, 50 ... paddy rice outlet, 51 ...
Finished rice spiral, 52: mixed rice spiral, 53: impeller, 54: return slower, 60: inspection window, 61: return chamber, 62: switching valve, 63: roll gap adjusting motor, 64: screw rod, 65 ...
Coma, 65a ... support arm, 67 ... hulling room, 68 ... wind selection room,
69: hulling drive room, 70: return device room, 71: conduction room,
72 ... rear wall, 73 ... front wall, 74 ... motor for hulling roll,
75 ... operation switch, 76 ... stop switch, 77 ... fine movement switch, 78 ... supply shutter, 79 ... supply shutter detection switch, 80 ... roll gap automatic adjustment switch,
81 ... Control panel.

[Procedure amendment]

[Submission date] January 9, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0002

[Correction method] Change

[Correction contents]

[0002]

2. Description of the Related Art Conventionally, Japanese Patent Publication No. Sho 63-15026 discloses a method in which paddy rice put into a supply hopper is hulled by a pair of hulling rolls. automatically are joined, the junction toward the
Is described in comparison with the no-load current value of the main motor , and thereafter, the apparatus is opened by 1 mm with a timer to make an initial setting. Also, as disclosed in Japanese Patent Application Laid-Open No. 58-11474.
No. 2 publication states that the opening of the paddy supply valve can be detected.
Based on the theoretical loss rate according to the opening of the paddy supply valve
The current value is determined, and the actual deaeration according to the opening of the paddy supply valve is performed.
Rate current value, the actual current value is
If deviation occurs, use a device that automatically adjusts the roll gap.
It is described. Moreover, the hulling sorter of FIG. 1 is also known. In FIG. 1, A is a hulling wind selecting unit, B is a swing sorting unit, and the hulling wind selecting unit A has a pair of left and right rubber rolls axle mounted on the upper part and wind-selects hulling below the rubber rolls a. The wind selection part b is formed. In the swinging sorting unit B, a sorting device d in which sorting plates c are stacked in multiple stages of 5 to 6 stages is provided, and a bucket elevator e is provided behind the hulling wind sorting unit A to fry the mixed rice, A storage tank f is provided at the discharge port of the bucket elevator e, and is equally distributed to the swing sorting plates c of each stage via the distribution device g. A supply hopper h is provided above the hulling wind selection unit A, and when rice is supplied to the supply hopper h, hulling is performed by a rubber roll a, and hulling that is air-selected by the breeze unit b is blown by a blower i. The hulled material is fried by a bucket elevator e, flows into a storage tank f, and is supplied from a distributing device g to a sorting device d. In the sorting device d, the rice is separated into paddy rice, mixed rice, and brown rice by rocking, the brown rice is taken out as a finished rice by the finished rice thrower j, and the mixed rice is returned to the bucket elevator e to be re-sorted. Is returned to the supply hopper h and hulled again.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0005

[Correction method] Change

[Correction contents]

[0005]

Accordingly, the present invention provides a rice hopper fed into a supply hopper, which is crushed by a pair of crushing rolls, and the crushed rice is sucked and discharged by a blasted rice blower, and the rice is selected by wind. The mixed rice is separated into paddy rice, brown rice and mixed rice by a rocking sorter, the rice is returned to the supply hopper and re-hulled, and the mixed rice is returned to the rocking sorter and re-sorted. In the hulling sorter which takes out as finished rice, in starting the hulling work, the gap value between the hulling rolls 33 and 34 is opened by the roll gap adjusting motor 63 to change the current value a of the unloaded hulling roll motor 74. Measurement, then the gap between the hulling rolls 33, 34 is narrowed by the roll gap adjusting motor 63 to measure the current value b of the hulling roll motor 74,
The current value a and the current value b are compared, and if the current value a <the current value b, it is determined that the hulling rolls 33 and 34 are in contact, and then the gap between the hulling rolls 33 and 34 is determined by the roll gap adjusting motor 63. The initial setting is extended for a predetermined time, and the rice is supplied in this state to start the hulling operation. When the mixed rice is supplied on the sorting plate 9, the brown rice width and the rice rice width are visually measured, and the brown rice width is large. When it is determined that the fine movement switch 77 is manually operated, the hulling rolls 33, 3
4 is widened, and when it is visually determined that the rice grain width is large, the fine movement switch 77 is manually operated to narrow the gap between the hulling rolls 33 and 34 by the roll gap adjusting motor 63, and the hulling roll gap is manually set. After completing the adjustment of the current, the current value of the hulling roll motor 74 is measured for a certain period of time to measure the initial maximum current value Cmax, the initial minimum current value Cmin, and the initial average current value Cave, and the initial maximum current value Cmax and the initial minimum current value are measured. When the difference between the current values Cmin is within 10% of the initial average current value Cave, the initial average current value Cave is set as the comparison reference current value D, and thereafter, after a predetermined time interval, the hulling roll motor 74 is set. Is measured to measure the maximum work current value Emax, the minimum work current value Emin, and the average work current value Eave, and obtain the maximum work current value Em.
ax and the work minimum current value Emin are equal to the work average current value E.
The work average current value Eave within 10% of ave is compared with the comparison reference current value D, and the work average current value Eave <
When the comparison reference current value is D × 0.95, the hulling rolls are brought close to each other, and the work average current value Eave> the comparison reference current value D ×
When the value is 1.05, the automatic control method is used in a hulling sorting device that separates hulling rolls. In the first aspect, the fixed time is about 180 seconds, and the method is an automatic control method in a hulling sorter. Further, in the first aspect, the predetermined interval time is about 30 seconds, which is an automatic control method in the hulling sorter. Further, in claim 1, the initial maximum current value Cmax, the initial minimum current value Cmin, and the initial average current value Cave are:
This is an automatic control method in a sorting device that is obtained by measuring the current value of the hulling roll motor 74 at two-second intervals over three minutes. Further, in claim 1, when the working average current value Eave <the comparison reference current value D × 0.95, the hulling roll is brought closer, but the time is 0.15 seconds. It is what it was. Further, in claim 1, the working average current value Eave> the comparison reference current value D × 1.05.
In the case of, the hulling roll is separated, but the time is 0.1
This is an automatic control method in the sorting device for 5 seconds.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0010

[Correction method] Change

[Correction contents]

At the lower position of the hulling rolls 33 and 34, there is provided a wind selection path 35 whose left side is higher, and at the lower left side of the wind selection path 35 a paddy wheel 36 having an impeller 36 whose axis is in the front-rear direction. A discharge blower 3 is provided. Reference numeral 37 denotes an inclined bottom plate of the wind selection path 35.
Is provided on the mixed rice receiving gutter 38, and a conveyor 39 for conveying the mixed rice backward is provided. The discharge portion of the conveyor 39 is connected to the lower end of the mixed rice bucket elevator 5.
40 is a paddy Gala受樋leading to the wheel 36, No. 2受樋41 during mixing rice受樋38 and paddy Gala受樋40 is provided, on the 2nd受樋41 2nd conveyor 42 are provided,
The second conveyor 43 has a second slower 43 attached thereto.

[Procedure amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0019

[Correction method] Change

[Correction contents]

After the manual fine adjustment is completed as described above, the roll gap automatic adjustment switch 80 is pressed again to automatically adjust the roll gap. Then, it is automatically set as shown in the flow of FIG. That is, when the roll gap automatic adjustment switch 80 is manually pressed, first, the current value of the hulling roll motor 74 is measured 90 times at 2 second intervals over 3 minutes, and the initial average current value for 3 minutes is measured. Cave, an initial maximum current value Cmax, and an initial minimum current value Cmin are obtained (step 15). At this time,
The average current value Cave, the initial maximum current value Cmax, and the initial
In the relationship of the initial minimum current value Cmin, the difference between the obtained initial maximum current value Cmax and the initial minimum current value Cmin is
If it exceeds 10% of the initial average current value Cave (step 16), the operation is not yet stable and the measurement is repeated, and the difference between the initial maximum current value Cmax and the initial minimum current value Cmin is calculated as the initial average current value. This is repeated until it is within 10% of the Cave.

[Procedure amendment 6]

[Document name to be amended] Statement

[Correction target item name] 0021

[Correction method] Change

[Correction contents]

During the subsequent automatic operation, the current value of the hulling roll motor 74 during the work is measured for 3 minutes, and the work maximum current value Emax, the work minimum current value Emin, and the work average current value Eave are measured. It is determined (step 18), and the work average current value Eave when the difference between the work maximum current value Emax and the work minimum current value Emin is within 10% of the work average current value Eave is compared with the comparison reference current value D (step 20). ), Work average current value Eave <comparison reference current value D ×
When 0.95, the roll gap adjusting motor 63 is set to 0.15
Secondly, the hulling roll is brought close to 0.1 mm (step 22). Conversely, when the work average current value Eave> comparative reference current value D × 1.05 , the hulling roll is separated by 0.1 mm (step 24). ).

[Procedure amendment 7]

[Document name to be amended] Statement

[Correction target item name] 0031

[Correction method] Change

[Correction contents]

During the subsequent automatic operation, the current value of the hulling roll motor 74 during work is measured for 3 minutes, and the work maximum current value Emax, the work minimum current value Emin, and the work average current value Eave are determined. It is determined (step 18), and the work average current value Eave when the difference between the work maximum current value Emax and the work minimum current value Emin is within 10% of the work average current value Eave is compared with the comparison reference current value D (step 20). ), Work average current value Eave <comparison reference current value D ×
When 0.95, the roll gap adjusting motor 63 is set to 0.15
Secondly, the hulling roll is brought close to 0.1 mm (step 22). Conversely, when the work average current value Eave> comparative reference current value D × 1.05 , the hulling roll is separated by 0.1 mm (step 24). ).

[Procedure amendment 8]

[Document name to be amended] Statement

[Correction target item name] 0033

[Correction method] Change

[Correction contents]

[0033]

As described above, according to the present invention, the paddy rice put into the supply hopper is crushed by a pair of crushing rolls, and the pulp is sucked and discharged by a pulp discharging blower. The mixed rice is separated into paddy rice, brown rice and mixed rice with a rocking sorter, the rice is returned to the supply hopper and re-hulled, and the mixed rice is returned to the rocking sorter and re-sorted, and brown rice is finished. In the hulling sorter that takes out rice, when starting the hulling work, the gap value between the hulling rolls 33 and 34 is opened by the roll gap adjusting motor 63 to measure the current value a of the unloaded hulling roll motor 74. Then, the gap between the hulling rolls 33 and 34 is narrowed by the roll gap adjusting motor 63, and the current value b of the hulling roll motor 74 is measured.
When the current value a <the current value b is compared with the current value b, it is determined that the hulling rolls 33 and 34 are in contact with each other, and then the gap between the hulling rolls 33 and 34 is determined by the roll gap adjusting motor 63 for a predetermined time. Spread the initial setting, supply the hulled rice in this state, start the hulling work, and when the mixed rice is supplied on the sorting plate 9, visually measure the brown rice width and the hulled rice width and determine that the brown rice width is large. When the fine movement switch 77 is manually operated, the gap between the hulling rolls 33 and 34 is widened by the roll gap adjustment motor 63, and when it is visually determined that the rice rice width is large, the fine movement switch 77 is manually operated. Roll gap adjusting motor 63
After the gap between the hulling rolls 33 and 34 is narrowed and the adjustment of the hulling roll gap by hand is completed, the current value of the hulling roll motor 74 is measured for a certain period of time to obtain an initial maximum current value Cma.
x, initial minimum current value Cmin, and initial average current value Cave
Is measured, and when the difference between the initial maximum current value Cmax and the initial minimum current value Cmin is within 10% of the initial average current value Cave, the initial average current value Cave is set as a comparison reference current value D. The current value of the hulling roll motor 74 is measured for a certain period of time at an interval time to measure the maximum work current value Emax, the minimum work current value Emin, and the average work current value Eave, and the maximum work current value Emax and the minimum work value are measured. The work average current value Eave when the difference between the current values Emin is within 10% of the work average current value Eave is compared with the comparison reference current value D. When the work average current value Eave <comparison reference current value D × 0.95 should be close to hulling roll to an automatic control method for hulling sorting device for separating the hulling roll when the average working current value Eave> comparison reference current value D × 1.05 Because it's, Lee. At the start of the hulling work, the supply shutter 78 is closed by a manual operation and the hulling roll motor 74 is energized in an idle state without supplying the hulled rice to rotate the hulling rolls 33 and 34, and then the roll gap The gap between the hulling rolls 33, 34 is automatically opened by the adjusting motor 63, the current value a of the hulling roll motor 74 at that time is automatically measured, and then the hulling roll 33,
Automatically shrink the gap of 34, the hulling roll motor 74
Is automatically measured, and the current value a and the current value b are automatically measured.
If the current value a <the current value b in comparison with the above, it is determined that the hulling rolls 33 and 34 are in contact, and then the gap between the hulling rolls 33 and 34 is automatically slightly widened by the roll gap adjustment motor 63. Since the initial setting is performed, the initial setting can be easily performed. B. After the initial setting, the rice is manually supplied to start the hulling,
When the mixed rice is supplied and separated on the sorting plate 9 by the start of the hulling, the widths of the brown rice and the rice are visually measured, and when it is determined that the brown rice is large, the fine movement switch 77 is manually operated to operate the roll gap adjusting motor 63. To widen the gap between the hulling rolls 33 and 34, and when it is visually determined that there is a lot of rice, the fine movement switch 77 is manually operated to narrow the gap between the hulling rolls 33 and 34 by the roll gap adjustment motor 63. Easy, complete readjustment. C. When the manual fine adjustment is completed, the roll gap automatic adjustment switch 80 is pressed to perform automatic adjustment. In the automatic adjustment, the current value of the hulling roll motor 74 is measured for a certain time, and the initial maximum current value Cmax and the initial minimum current value Cmin are set. An initial average current value Cave is obtained, and a difference between the initial maximum current value Cmax and the initial minimum current value Cmin is determined by the initial average current value Cav.
e, the initial average current value Cave is set as a comparison reference current value D, and then the current value of the hulling roll motor 74 is measured for a certain period of time at a predetermined interval to obtain a maximum working current value. Emax and minimum working current value Emin
And the work average current value Eave, and the work average current value Eav when the difference between the work maximum current value Emax and the work minimum current value Emin is within 10% of the work average current value Eave.
e and the comparison reference current value D, and the work average current value Eav
e <Comparative reference current value D × 0.95, bring the hulling roll close, and work average current value Eave> Comparative reference current value D
At the time of × 1.05 , since the hulling roll is separated, automatic control can be performed accurately and easily.

[Procedure amendment 9]

[Document name to be amended] Statement

[Correction target item name] Brief description of drawings

[Correction method] Change

[Correction contents]

[Brief description of the drawings]

FIG. 1 is a front view of a prior example.

FIG. 2 is a front view of the present application.

FIG. 3 is a front view of the inside of the swing sorting section of the present application.

FIG. 4 is a vertical sectional front view of the same part.

FIG. 5 is a front view showing a second thrower and a return thrower.

FIG. 6 is a sectional view of a second thrower.

FIG. 7 is a front view of the roll opening / closing device.

FIG. 8 is a vertical sectional side view of the hulling unit.

FIG. 9 is a hulling flow diagram.

FIG. 10 is a hulling flow diagram.

FIG. 11 is a front view of the switch.

[Explanation of Signs] 1 ... Hulling unit, 2 ... Swing sorting unit, 3 ... Rough discharge blower, 4 ... Finished rice slower, 5 ... Mixed rice bucket elevator, 6 ... Fixed storage tank, 7 ... Swing sorting device , 8: dispensing device, 9: sorting plate, 10: underframe, 11: swinging rod, 1
2 ... Cam wheel, 13 ... Motor, 14 ... First adjustment motor, 1
5: Screw rod, 16: Shaft attachment part, 17: Transparent window, 18: Switch, 19: Bottom plate, 20: Split port, 21: First partition plate,
Reference numeral 22: second partition plate, 23: brown rice discharge section, 24: mixed rice discharge section, 25: paddy rice discharge section, 26: second adjustment motor, 27
... Screw rod, 28 ... Third adjustment motor, 29 ... Screw rod, 30
... Supply hopper, 31 ... Bottom plate, 32 ... Supply port, 33 ... Hulling roll, 34 ... Hulling roll, 35 ... Winding path, 36 ... Wing wheel, 37 ... Sloped bottom plate, 38 ... Mixed rice gutter, 39 ... Conveyor, 40 ... paddy gutter trough, 41 ... 2nd trough, 42 ... 2nd conveyor, 43 ... 2nd slower, 44 ... return paddy trough, 45
... jumping cylinder, 46 ... switching valve, 47 ... extraction gutter, 48 ... brown rice outlet, 49 ... mixed rice outlet, 50 ... paddy rice outlet, 51 ...
Finished rice spiral, 52: mixed rice spiral, 53: impeller, 54: return slower, 60: inspection window, 61: return chamber, 62: switching valve, 63: roll gap adjusting motor, 64: screw rod, 65 ...
Coma, 65a ... support arm, 67 ... hulling room, 68 ... wind selection room,
69: hulling drive room, 70: return device room, 71: conduction room,
72 ... rear wall, 73 ... front wall, 74 ... motor for hulling roll,
75 ... operation switch, 76 ... stop switch, 77 ... fine movement switch, 78 ... supply shutter, 79 ... supply shutter detection switch, 80 ... roll gap automatic adjustment switch,
81: Switch board for control. ────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] February 6, 1997

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] Fig. 7

[Correction method] Change

[Correction contents]

FIG. 7 ────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] February 17, 1997

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] Fig. 4

[Correction method] Change

[Correction contents]

FIG. 4

[Procedure amendment 2]

[Document name to be amended] Drawing

[Correction target item name] Fig. 8

[Correction method] Change

[Correction contents]

FIG. 8

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Tsuneyoshi Goto 404 Oinomori, Tendo City, Yamagata Prefecture Inside Yamamoto Manufacturing Co., Ltd.

Claims (6)

[Claims] Claims: 1. A paddy rice fed into a supply hopper is crushed by a pair of crushing rolls, a paddy rice is sucked and discharged by a paddy discharge blower, and a mixed rice of unselected brown rice is selected by a rocking sorter. And brown rice and mixed rice, the paddy rice is returned to the supply hopper and re-grinded, the mixed rice is returned to the rocking sorter and re-sorted, and the brown rice is taken out as finished rice in a hulling sorter, In starting the hulling operation, the gap between the hulling rolls 33 and 34 is opened by the roll gap adjusting motor 63 to measure the current value a of the unloaded hulling roll motor 74, and then the roll gap adjusting motor 63 The gap between the hulling rolls 33 and 34 is narrowed to measure the current value b of the hulling roll motor 74. The current value a and the current value b are compared, and if the current value a <the current value b, the hulling roll Judge as 33, 34 contact, then low The gap between the hulling rolls 33 and 34 is widened by a predetermined time by the gap adjusting motor 63 and initialized for initial setting. In this state, the hulling operation is started by supplying the hulled rice, and the mixed rice is supplied on the sorting plate 9. When the brown rice width and the brown rice width are visually measured and it is determined that the brown rice width is large, the fine movement switch 77 is manually operated to widen the gap between the hulling rolls 33 and 34 by the roll gap adjusting motor 63, and visually. When it is determined that the paddy rice width is large, the fine movement switch 77 is manually operated, and the rice paddy rolls 33, 3 are driven by the roll gap adjusting motor 63.
After narrowing the gap of No. 4 and finishing the adjustment of the hulling roll gap manually, the current value of the hulling roll motor 74 is measured for a certain period of time, and the initial maximum current value Cmax, the initial minimum current value Cmin, and the initial average current value Cave are determined. The difference between the initial maximum current value Cmax and the initial minimum current value Cmin is 10% of the initial average current value Cave.
The average current value Cave is compared with the reference current value D
After that, the current value of the hulling roll motor 74 is measured for a certain period of time at predetermined intervals, and the work maximum current value Emax, the work minimum current value Emin, and the work average current value Eave are measured. The work average current value Eave when the difference between the maximum current value Emax and the work minimum current value Emin is within 10% of the work average current value Eave is compared with the comparison reference current value D, and the work average current value Eave <comparison reference current value. When D × 0.95, bring the hulling roll close to the work average current value Eave> Comparative reference current value D
The automatic control method in the hulling sorter that separates the hulling roll when x 0.95. 2. The method according to claim 1, wherein the predetermined time is about 1 hour.
The automatic control method in the hulling sorting device for 80 seconds. 3. The method according to claim 1, wherein the predetermined interval time is about 30 seconds. 4. The initial maximum current value according to claim 1, wherein
Cmax, initial minimum current value Cmin, and initial average current value Cave are 3
An automatic control method in a sorting device which is obtained by measuring a current value of the hulling roll motor 74 at intervals of 2 seconds over a minute. 5. The working average current value according to claim 1,
When Eave <the comparison reference current value D × 0.95, the hulling roll is brought closer, but the time is 0.15 seconds. 6. The working average current value according to claim 1,
When Eave> the comparative reference current value D × 0.95, the hulling roll is separated, but the time is 0.15 seconds.