JPH1110012A - Device of setting initial gap of hulling roll - Google Patents

Abstract

PROBLEM TO BE SOLVED: To unnecessitate the readjustment of a roll gap by judging selection in the propriety of roll initial gap setting in an early work stage, setting the initial gap as necessary, judging selection in the propriety of roll gap setting at the time of work completion and eliminating the open adjustment of the gap in the case of unnecessity. SOLUTION: When a main motor 49 is driven at the time of starting hulling work, selection in the propriety of automatic hulling roll initial gap setting is judged, the initial setting of the roll gap is executed when initial gap setting is required and work is started. Unless initial gap setting is required, the roll gap is not automatically initially set and a worker sets the desired roll gap so as to start work. When the main motor 49 is stopped, it is judged which one of the propriety of automatic initial gap setting is selected. The roll gap is closing-adjusted for a fixed time at the time of initial gap setting and is not open-adjusted at the tie of no initial gap setting so as to complete work by the roll gap as it is.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in an apparatus for setting an initial gap of a hulling roll.

[0002]

2. Description of the Related Art A conventional roll gap initial setting device is configured such that a motor is started at the start of work and a predetermined initial gap of a hulling roll is set each time.

[0003]

The conventional roll gap initial setting device does not set the roll gap of the hulling roll according to the preference of the worker, but uses standard paddy. The roll gap in the sliding state was adjusted and set. Therefore, depending on the preference of the worker, for the worker who gives priority to the work efficiency or who gives the second priority to the work efficiency with giving priority to the quality of brown rice, the worker is required to adjust the roll efficiency so as to match the optimum roll gap. B
The gap had to be readjusted.

Accordingly, the present invention is to solve such a problem.

[0005]

Means for Solving the Problems The technical means of the present invention for solving such technical problems includes a pair of hulling rolls 7, 7 for hulling the paddy supplied from the paddy hopper 6. A roll gap adjusting means 59 for adjusting the roll gap between the hulling rolls 7, 7; a main motor 49 for driving the hulling rolls 7, 7; A load current detecting sensor 41 for detecting a load current value of 49; and a roll gap automatic control means for automatically adjusting a roll gap of the hulling rolls 7, 7 based on a load current value or a loss rate. For setting the initial gap between the hulling rolls 7, 7 in the initial stage of the operation with the hulling rolls 7, 7
Roll gap initial setting means, initial gap setting necessity selecting means capable of selecting the necessity of the roll gap initial setting means, and opening the roll gap of the hulling rolls 7, 7 performed at the end of the work. Automatic opening adjustment means at the end of work to be adjusted, and operation of the automatic opening adjustment means at the end of work is stopped when the initial gap setting is unnecessary by the initial gap setting necessity selecting means. And an initial gap setting device for a hulling roll.

[0006]

When the main motor 49 is driven at the start of the hulling operation, it is determined which of the necessity of the automatic setting of the initial clearance of the hulling rolls 7 is determined, and the initial clearance setting is performed. If necessary, roll the hulling rolls 7, 7 according to the prescribed process.
The initial setting of the gap is executed and the hulling work is started.

If it is unnecessary to set the initial gap, the operator operates the roll gap adjusting switch to set a desired roll gap without automatically setting the roll gap. To start the hulling work. During the hulling work, the main motor 49
Is determined, and if it is driven, for example, the hulling operation is performed while executing the roll gap control based on the load current value.

When the main motor 49 stops, it is determined which of the necessity of the initial gap automatic setting has been selected.
When the initial gap is set, the roll gap is adjusted for a certain period of time. When the initial gap is not set, the roll gap is not adjusted and the work is performed with the roll gap as it is. finish.

[0009]

According to the present invention, as described above, when the initial setting of the roll gap is performed at the beginning of the hulling operation, the roll gap is adjusted by a predetermined amount at the end of the operation and the operation is stopped. The hulling rolls 7, 7 do not end in a contact state, and the resuming operation can be performed smoothly. If the roll gap is not initially set at the start of the work, the work is finished with the roll gap without adjusting the opening of the roll gap. Favorite ro
The work can be started in the gap and the work efficiency can be improved.

[0010]

Embodiments of the present invention shown in the drawings will be described below. First, the overall configuration of a hulling sorter will be described with reference to FIG. The rice hulling sorter is a rice hulling unit that performs hulling 1, a rice hulling rice selection unit that wind-selects rice hulled from the rice hulling unit 1, and a mixing after wind selection in a rice hulling rice selection unit 2. It is composed of an oscillating sorter 3 for separating and sorting rice (a rotary sorter cylinder type or a manseki type), a mixed rice fryer 4, a brown rice fryer 5, and the like.

The rice hulling unit 1 comprises a rice hopper 6, a hulling roll 7,
The hulling room 8 is provided with an interior such as 7. The sliding rice style selection unit 2 includes a sliding rice style selection box 9, a sliding rice style selection path 10, a pity trough 11, a sliding rice trough 12, a suction fan 13, and a dust tube 1.
4 and so on. Next, the swing sorting unit 3 will be described. The multi-stage swing sorting plates 15, 15,... Are provided with sorting unevenness on the plate surface. One side in the vertical direction is a high supply side, the other side is a low discharge side, and one side in the horizontal direction. The upper side is a high swinging side, the opposite side is a lower swinging side, and the vertical and horizontal directions of the swing sorting plate 15 are both inclined,
It is configured to be reciprocally oscillated up and down in the horizontal direction obliquely by an oscillating arm / oscillating device.

The supply port on the supply side of the swing sorting plate 15 has:
Mixed rice is supplied through the distribution supply gutter 16 and the distribution case 17. The mixed rice supplied to the oscillating sorting plate 15 has a small-sized brown rice having a heavy specific gravity due to the relationship between the size of the granules, the size of the specific gravity, and the size of the friction coefficient. Rice, which has a large specific gravity compared to brown rice, has a drift distribution on the lower side in the horizontal direction, and mixed rice of unseparated rice and brown rice has a drift distribution in the middle of the rice. The rice is separated by a brown rice partition plate 18 and a paddy partition plate 19 provided on the discharge side of the moving sorting plate 15.

The brown rice separated by the brown rice partitioning plate 18 is taken out of the machine through a brown rice extraction gutter 20, a brown rice flow path 21, and a brown rice milling machine 5, and the mixed rice is mixed rice extraction gutter 22, a mixed rice Via the flow path 23, the sliding rice receiving gutter 12, the mixed rice fryer 4, the mixed rice hopper 24, the distribution supply gutter 16 and the distribution case 17, it is again supplied to the rocking sorting plate 15 and re-sorted. The hulled rice is returned to the hulling unit 1 through the hulling gutter 25, the hulling flow path 26, and the hulling machine 27, and the hulling is performed again.

Although illustration is omitted, the mixed rice hopper 2
4 and the hulling supply control valve 28 of the hulling unit 1 are interlockingly connected via an interlocking member such as a link, and when the mixed rice hopper 24 moves down or up due to an increase or decrease in the amount of grain, the hulling supply control valve. Is related to the decreasing side or the increasing side. FIG. 2 shows a well-known configuration for adjusting the roll clearance of the hulling rolls 7, 7 by rotating the roll clearance adjustment motor 54 forward or backward to adjust the roll clearance. The roll gap of the hulling rolls 7, 7 is adjusted to open and close via the means 59.

Next, an input configuration of sensors and switches to a control microcomputer (hereinafter referred to as a control unit) 29 and a connection configuration to an actuator will be described.
The control unit 29 includes a power frequency detection sensor 30, a brown rice partition plate origin switch 31 for detecting the movement of the brown rice partition plate 18 to the origin position, and a sensor for detecting the movement of the paddy / brown rice discrimination sensor 45 to the swinging origin position. Origin switch (upward) 3
2, a sensor origin switch (swinging side) 33 for detecting the movement of the paddy / brown rice discrimination sensor 45 to the origin position on the swinging side, and a roll for selecting the type of initial gap setting of the hulling rolls 7,7. A gap initial setting mode selection switch 34, a partition plate control start switch 35 for starting the control of the brown rice partition plate 18, an automatic / manual changeover switch 36, and a roll gap adjusting motor 53 are closed and adjusted to release the screw. Switch 37 to raise and adjust the pressure.
The opening rate lowering switch 38, the display changeover switch 39, and the roll gap initial setting ON / OFF switch 60 for opening and closing the roll gap adjusting motor 53 to adjust the opening rate lower through a digital input circuit. Each one is connected.

The control unit 29 includes a load current detection sensor 41 for detecting a load current value of the main motor 49, a power supply voltage detection sensor 42, and a brown rice partition plate adjusting motor 50, which are normally and reversely rotated to separate brown rice. The brown rice partition plate adjusting volume 43 for adjusting the plate 18 to the upward or downward swinging side, the brown rice partition plate position sensor 44 for detecting the moving position of the brown rice partition plate 18, and the rice / brown rice discrimination sensor 45 for distinguishing between rice and brown rice. , The sorting position of the sorting plate inclination sensor 46 for detecting the lateral inclination angle of the swinging selection plate 15, the opening degree sensor 47 for detecting the opening of the rice supply adjusting valve 28, and the moving position of the rice / brown rice discrimination sensor 45. Rice / brown rice discrimination sensor position sensor 48 is an analog input circuit, A /
It is connected via a D conversion circuit.

The main motor 49 and the brown rice partition plate 1 for driving the hulling sorter from the control unit 29 via an output circuit.
8. A brown rice partition plate adjusting motor 50 for adjusting the movement of the rice 8 upward or downward, a rice / brown rice identification sensor adjusting motor 51 for adjusting the movement of the rice / brown rice discriminating sensor 45, and the lateral inclination of the swing sorting plate 15. Sorting plate inclination adjusting motor 52 for adjusting the angle, ro
Roll gap adjusting motor 53 for adjusting the roll gap, paddy supply adjusting valve adjusting motor 54 for adjusting the opening of the paddy supply adjusting valve 28.
And a control command is output to the monitor-display unit 55.

A swing rotation sensor 56 for detecting the swing rotation speed of the swing selection plate 15 is connected to the control unit 29 via a rotation pulse input circuit.
7 is connected to a nonvolatile memory 58. Next, the control contents of the control unit 29 will be described. 1. First, when the automatic / manual changeover switch 36 is selected to the automatic side and the operation / stop switch (not shown) is operated to the operation side, the main motor 49 is driven, and the rotating parts of the hulling sorter are driven. .

Next, an initial gap setting control for setting an initial gap between the hulling rolls 7, 7 is performed. In this control, first,
When the roll gap is opened and the detected load current value of the load current detection sensor 41 does not change, it is determined that the hulling rolls 7 and 7 are in a non-contact state, and the opening adjustment is stopped. When the roll gap is closed and the load current detection sensor 41 detects an increase in the load current value, it is determined that the hulling rolls 7 and 7 are in slight contact, and the closing adjustment is stopped. Is adjusted to a predetermined initial gap (for example, 1 mm).

2. Next, the rice supply control valve 2 of the rice hopper 6
The control is shifted to a shutter initial opening setting control for adjusting the opening of the paddy supply control valve 28 to a predetermined opening (for example, 10).
mm) is set. Then, the paddy is supplied from the paddy hopper 6 to the paddy rolls 7, 7, and the padding operation is started. Note that, instead of this control, a configuration may be adopted in which the paddy supply control valve 28 is manually opened and adjusted.

3. Next, the process shifts to control of the roll gap based on the load current. In this control, first, the valve opening of the rice supply control valve 28 is detected by the rice supply control valve opening sensor 47,
The load current value of the main motor 49 is detected by the load current detection sensor 41 and sent to the respective control units 29, and the reference load current value corresponding to the valve opening of the paddy supply control valve 28 is determined. Is determined based on the calculation formula.

Next, the detected load current value is compared with the reference load current value. If the detected load current value is higher (or lower) than the reference load current value, the roll gap adjusting motor 53 is opened. Roll gap control is performed so as to adjust (or close) and return the detected load current value to the reference load current value. If the detected load current value is within the range of the reference load current value, no control command is issued, and the hulling operation is continued while maintaining the roll gap as it is.

Instead of the control of the roll gap based on the load current value, the crushed rice of the hulling rolls 7, 7 is discriminated by the hull / brown rice discrimination sensor 45 to discriminate between the hull and brown rice. The calculated rate is compared with the calculated rate, and when the calculated rate is high (low), the roll gap is opened (closed) and the roll rate is adjusted. May be used to control the roll gap.

4. Next, the control shown in FIG. 4 will be described. In this control, when setting the initial gap of the hulling rolls 7, 7, the initial gap can be set in various modes, and the operator tries to select the initial gap. The initial setting of the conventional roll gap is not set in accordance with the optimum condition that matches the operator's preference, but can perform standard hulling at a predetermined valve opening of the paddy supply control valve, The optimum roll clearance for the operator had to be adjusted during the operation by the operator.

[0025] The mode of the hulling operation is a mode in which several people use one hulling machine jointly, a mode in which a single farmer uses it, and an operator who is skilled in a dry hulling facility. It is determined whether or not the roll gap initial setting control is necessary depending on the use form and the skill level of the operator. Therefore, in this embodiment, the mode of setting the initial gap can be variously selected according to the preference of the operator, thereby improving the convenience of the operator.

The roll gap initial setting mode selection switch 34 is a switch capable of selecting various modes of the initial setting. Each time the main motor 49 is activated and the hulling operation is started. In addition, a mode for controlling the initial setting of the roll gap of the hulling rolls 7, 7 and a mode for setting the initial gap only once at the start of the first hulling operation after the power is turned on. In this configuration, a mode in which no gap is set can be selected.

Next, the control flow shown in FIG. 4 will be described. When the power switch is first turned on to start the hulling work, it is the first hulling work, and the initial gap setting flag (FG) is initially set because the initial gap of the roll gap has not been set. A flag indicating that the gap setting has not been performed (FG = 0) is displayed. Then, roll gap initial setting mode
A display urging the operation of the mode selection switch 34 is displayed on the monitor display unit 55, and the operator operates the roll gap initial setting mode selection switch 34 to select his / her favorite initial setting mode.

Next, the process proceeds to the selection judging process of the roll gap initial setting mode selection switch 34. If the mode for setting the initial gap every time the above-mentioned work is started is selected, the main operation is started. When the motor 49 is started, the flow shown in FIG.
, The roll gap initial setting is executed and the flag display is changed to F
Set G = 1. In addition, only at the beginning of the first hulling after the power is turned on, the roll gap is initially set only once.
When the main motor 49 is selected, the control is performed according to the flow shown in FIG. 4, and it is determined whether the main motor 49 is activated. It is determined whether or not the initial gap setting control has been executed once based on the setting flag. Only when FG = 0 is not executed, the roll gap initial setting control is executed and the initial gap setting flag is set. Set FH = 1 for execution. If the mode in which the initial gap setting is not performed is selected, the process proceeds to the next step without executing the initial gap setting control.

When the execution of one of the above and the above is completed, then, the ON / OFF of the main motor 49 is performed.
The process shifts to the determination step, and when the main motor 49 is ON, the roll gap control based on the load current value is executed. As described above, in this embodiment, the initial setting of the roll gap at the start of the hulling operation can be selected according to the preference of the worker. Sliding work can be started, and work efficiency can be improved.

Next, the embodiment shown in FIGS. 3 and 5 will be described. As shown in FIG. 3, a roll gap initial setting ON / OFF switch 6 for selecting whether or not the roll gap is initially set.
0 is provided and connected to the control unit 29 via a digital input circuit. The flow of FIG. 5 will be described.

When this control is started, ON / OFF of the main motor 49 is determined, and then the ON / OFF operation state of the roll gap initial setting ON / OFF switch 60 is determined. The roll gap initial setting control is executed as described above. Next, the ON / OFF state of the main motor 49 is determined, and when it is ON, the roll gap control based on the load current value is executed as described above. The main motor 4
If 9 is OFF, the roll gap initial setting ON / OFF switch 60 is judged to be ON / OFF, and if ON, the roll gap is opened for a fixed time and the switch is turned OFF. In the case of (1), the opening of the roll gap is not adjusted.

The conventional roll gap initial setting is performed every time when the main motor is started at the start of the work, and at the end of the work, the roll gap is adjusted to be opened each time, so that the hulling rolls can be mutually adjusted. Contact was prevented. The initial setting of the roll gap is not set to the optimum condition according to the preference of the worker, but is set to a roll gap that allows standard hulling at a predetermined valve opening of the paddy supply control valve. The optimum roll clearance for the operator had to be adjusted during the operation by the operator.

However, by adopting the above configuration, the low
When the mode in which initialization is not performed by operating the roll gap initial setting ON / OFF switch 60 is selected, the roll gap can be stopped with the roll gap as it is at the end of the work. -Work can be resumed from the
Rice hulling work efficiency is improved.

[Brief description of the drawings]

FIG. 1 is an overall cut side view.

FIG. 2 is a cut side view.

FIG. 3 is a block diagram.

FIG. 4 is a flowchart.

FIG. 5 is a flowchart.

[Explanation of symbols]

1 ... rice hulling part, 2 ... rice falling rice style selection part, 3 ... rocking sorting part, 4 ...
Mixed rice fryer, 5 ... Brown rice fryer, 6 ... Rice hopper, 7 ... Rice hulling roll, 8 ... Rice hulling room, 9 ... Rice crushed rice selection box, 10 ... Rice crushed rice selection path, 11 ... Pity trough, 12: sliding rice trough, 13: suction fan, 14: dust cylinder, 15: swing sorting plate, 16: distribution supply gutter, 17: distribution case, 18: brown rice partition plate, 19
... Rice partition plate, 20 ... Brown rice extraction gutter, 21 ... Brown rice channel, 22
... mixed rice extraction gutter, 23 ... mixed rice channel, 24 ... mixed rice hopper, 25 ... paddy extraction gutter, 26 ... paddy channel, 27 ... paddying machine,
28 ... Rice supply control valve, 29 ... Control unit, 30 ... Power frequency detection sensor, 31 ... Brown rice partition plate origin switch, 32 ... Sensor origin switch (upward), 33 ... Sensor origin switch (downward), 34 ... Roll gap initial setting mode selection switch, 35: partition plate control start switch, 36: automatic / manual changeover switch, 37: release rate up switch, 38: release rate lower switch, 39: display changeover switch, 41: load current detection sensor, 42: power supply voltage detection sensor, 43: brown rice partition plate adjustment volume, 44: brown rice partition plate position sensor,
45: paddy / brown rice discrimination sensor, 46: sorting plate, inclined sorting plate,
47 ... Rice supply control valve opening sensor plate, 48 ... Rice / brown rice discrimination sensor position sensor, 49 ... Main motor, 50 ... Brown rice partition plate control motor, 51 ... Rice / brown rice discrimination sensor control motor 52
... Selection plate inclination adjustment motor, 53 ... Roll gap adjustment motor
, 54 ... paddy supply control valve adjustment motor, 55 ... monitor display unit, 56 ... swing rotation sensor, 57 ... memory unit, 58 ...
Non-volatile memory, 59 ... Roll gap adjusting means, 60 ... Roll
Initial setting on / off switch

Claims (1)

[Claims] A pair of hulling rolls for hulling the paddy supplied from a hulling hopper, and a roll gap for adjusting a roll gap between the hulling rolls. Adjusting means 59; a main motor 49 for driving the hulling rolls 7, 7; and a load current detection sensor 41 for detecting a load current value of the main motor 49.
A roll gap automatic control means for automatically adjusting the roll gap of the hulling rolls 7, 7 on the basis of a load current value or a loss rate; and initial operation of the hulling rolls 7, 7. Hulling in
Roll gap initial setting means for setting the initial gap of the rolls 7, 7; initial gap setting necessity selecting means for selecting whether the roll gap initial setting means is necessary; Automatic opening adjustment means at the end of work for opening and closing the roll gaps of the rolls 7, 7; and automatic opening adjustment means at the end of the work when the initial gap setting necessity selection means selects no need for the initial gap setting. And a means for stopping automatic opening adjustment at the end of work for stopping the operation of the hulling roll.