JPH03224638A - Controlling method for husking ratio in two-times husking type test huller - Google Patents

Abstract

PURPOSE:To optimally adjust the gap of a roller by discriminating one-time husking or two-times husking with a color sensor and changing over the current value of a driving motor to the reference current value of one-time husking or two-time husking in this driving motor and comparing the current value of the driving motor at a time of load with the reference current value. CONSTITUTION:This test huller is provided with a color sensor S which discriminates one-time husking paddy or two-times husking paddy supplied to a fixed roll 1 and a movable roll 2, a controlling motor (m) for adjusting the gap of the rolls and a current measuring instrument for measuring the load current value of a driving motor M. The sensor S, the motor (m) and the current measuring instrument are electrically connected via a controlling circuit 3. One-time husking paddy or two-times husking paddy is discriminated by the sensor S and the measured current value of the motor M at a time of load is changed over to the reference current value side of the same in one-time husking or to the reference current value side thereof in two-times husking and compared with the reference current value. The gap of the rolls is adjusted via the motor (m) on the basis of the difference of the current value of both and automatic control of husking ratio is performed. As a result, the husking ratio suitable to the equipment is controlled.

Description

DETAILED DESCRIPTION OF THE INVENTION (A) Industrial Application Field The present invention is a double-sliding type test roller in which a pair of fixed rolls and moving rolls are provided, and a fixed amount of material is fed between the two rolls for demixing. The present invention relates to a method for controlling the removal rate of -.

(0) Prior art As a method for controlling the gap between rolls in a conventional de-lining machine, as described in Japanese Patent Publication No. 15026/1983,
A known method is to open the roll gap by a predetermined gap after joining a moving roll to a fixed roll at the start of operation of a weighing machine, so that a predetermined stirring action is obtained immediately from the start of weighing.

(c) Problem to be solved by the invention However, in the method of controlling the roll gap as described in the above-mentioned publication, the state of deweighing varies depending on the conditions of the thing being demixed, which is not mentioned in the text. Although it has some advantages, it also has disadvantages.

In particular, in the double-sliding test hull, the entire amount is paddy when it is rubbed once, but when it is rubbed twice, about 90% is brown rice, and it is removed. Since the conditions of the material change greatly and the supply amount also varies, the load on the drive motor fluctuates, making it difficult to control the agitation rate.

Therefore, the present invention is applicable to such a test harassment, since such conventional technology is particularly unsuitable for a two-slide type test harassment in which a fixed amount of material is fed between rolls and demixed. This was invented in order to provide a method for controlling the demixing rate suitable for -.

(d) Means for Solving the Problems Therefore, the present invention provides a method for controlling the deweighing rate suitable for the two-time rubbing type test huller from the above-mentioned point of view. The color sensor is provided with a color sensor that distinguishes between the one-time printing and the two-time printing that is supplied, a control motor that adjusts the roll gap, and a current measuring device that measures the load current value of the drive motor. and a current measuring device are electrically connected through a control circuit, and the reference current value of the drive motor is inputted to the control circuit by determining whether the color sensor has applied once or twice. Switch to the double-sliding reference current value side and compare the measured current value when the drive motor is loaded. Based on the difference in both current values, the roll gap is adjusted via the control motor and the demixing rate is automatically controlled. I made it possible to do so.

(E) Function In this test huller, is a fixed amount of material fed between a fixed roll and a moving roll, and is it unwrapped every fixed amount? In that case, is it fed between the rolls? A color sensor is used to determine whether the rice has been rubbed once (full amount of paddy) or twice (approximately 90% brown rice).
1 of the drive motor, which is input in advance to the control circuit and stored.
At the same time, the current value of the drive motor under load is measured, and this measured current value is compared with the reference current value on the switched side. If the two current values are different, a command is issued from the control circuit to the control motor to adjust the roll gap so that the measured current value of the drive motor matches the reference current value. The rate of undressing is controlled.

(f) Example Hereinafter, the method for controlling the deweighing rate according to the present invention will be explained with reference to the drawings.

First, in Fig. 1, (1) is a fixed roll, and (2) is a movable roll installed opposite to this, which is swingably supported by an arm (5), and is connected to this arm (5) of a motor screw shaft (6). The fixed roll (1) is operated by the control motor (11) by screwing the
) The roll gap can be adjusted by moving the roll closer or further away from the roll.

(7) is a funnel that accommodates a certain amount of grain; (8) is a supply path that connects this funnel (7) with rolls (1) and (2);
9) is a suction fan that communicates with the lower side of the rolls (1) and (2) through a suction air path (10) to create a suction and sorting air for sorting the removed items, and (M) is a drive motor. Belt (11) (
12) through fixed roll (1), moving roll (2),
A suction fan (9) and a delivery roll (13) are rotationally driven.

And (S) is a photoelectric type color sensor, and the funnel (7)
It is attached to the inner wall on one side of the upper part, and irradiates the grains housed in this funnel (7) with detection light and receives the reflected light, and depending on the difference in the amount of reflected light, the grains are rubbed once. This process determines whether the print has been printed twice.

(14) is a control box containing a control circuit (3), and a current measuring device that is incorporated into the color sensor (S) and the control circuit (3) and measures the current value of the drive motor (M) when the load is applied. and the aforementioned control motor (m) is connected to this control circuit (3).
When a certain amount of 10 grains is placed in the funnel (7), the color sensor (S)
It is determined whether the grain has been rubbed once or twice, and based on this determination, the reference current value of the drive motor (M) is inputted and stored in advance into the control circuit (3). At the same time, the current value of the drive motor (M) under load is measured, and this measured current value is stored as the above-mentioned one-time/two-time reference current value. The current value is compared with the current value, and if there is a difference as a result of the comparison, a command is issued from the control circuit (3) to the control motor (controller) to adjust the roll gap and control the unweighing rate.

Note that (1' 5 ) is a shutter that opens and closes the supply path (8), and the one-time rubbing reference current value of the drive motor (M) is set low and the two-time rubbing reference current value is set high.

Therefore, as shown in the flowchart of Fig. 2, the grains accommodated in the funnel (7) are determined by the color sensor (S) to be either rubbed once (total amount of paddy) or twice (approximately 90% of brown rice).
If it is the same or one that has been printed once, it switches to the (a) side.
The measured current value of the drive motor (M) at the time of load when deweighing is started by opening the shutter (15) is compared with the one-time sliding reference current value of the drive motor (M), which has been input and stored in advance. If the comparison shows that the two current values are different, the control circuit (3) issues a command to the control motor (m) to adjust the roll gap, and the measured current value of the drive motor (M) changes. is corrected so that it matches the one-time rubbing reference current value, and the removal rate is controlled.

In addition, when the one-color sensor (S) determines that the product has been printed twice, it switches to the (B) side and compares it with the two-time printing reference current value, and by comparing it with the measured current value, Similarly, a command is issued from the control circuit (3) to the control motor (ffl) to adjust the roll gap so that the measured current value of the drive motor (M) matches the twice-sliding reference current value. Modifications are made to control the demixing rate.

Next, as shown in FIG. 1, another example in which a supply valve (4) is provided opposite to the feed roll (13) to adjust the amount of grain supplied will be described. 4) swings around its upper end to adjust the gap between the feed roll (15) and the feed roll (15). ml
). and supply valve (4
) is set depending on whether the color sensor (S) is printed once or twice. Depending on whether it is a one-time or two-time rubbing type, the opening degree is switched to the one-time rubbing setting opening degree side or the two-time rubbing setting opening degree side, and the supply valve (4) is swung by the operation of the control motor (ml). It is adjusted to the one-time sliding setting opening degree and the two-time sliding setting opening degree.

As a result, as shown in the flowchart in Figure 3,
The color sensor (S) determines whether the grains stored in the funnel (7) have been rubbed once (total amount of paddy) or twice (approximately 90% brown rice). and if it is a one-time sliding type, when it switches to the (a) side, the supply valve (4) is connected to the one-time sliding setting opening side and is adjusted to a predetermined opening degree by the control motor (11), and , if it is printed twice by the color sensor (S) (B)
The supply valve (4) is connected to the twice-sliding set opening side and adjusted to a predetermined opening by the control motor (ml).

Then, by opening the shutter (15), agitation is started, and the agitation rate is controlled by comparing the reference current value and the measured current value as described above.

In this way, when adjusting the opening degree of the supply valve (4) and changing the supply amount between one stroke and two strokes, the reference current value of the drive motor (M) is determined by the set opening degree of the supply valve (4). The deweighing rate is controlled by various combinations such as making the difference in height between one-time and two-time rubbing large or small, or keeping it the same.

(g) Effects of the invention As described in detail above, the present invention provides
It is equipped with a color sensor that distinguishes whether it is rolled once or twice rolled, a control motor that adjusts the roll gap, and a current measuring device that measures the load current value of the drive motor, the color sensor, the control motor, and the current measuring device. is electrically connected through a control circuit, and the output voltage of the drive motor is inputted to the control circuit based on the color sensor's discrimination of whether the color sensor has printed once or twice.
Switch to the rotation reference current value side or double rotation reference current value side, compare the measured current value when the drive motor is loaded, and adjust the roll gap via the control motor based on the difference in both current values. Since the stirring rate is automatically controlled, the color sensor determines whether the material being fed between the rolls is being rubbed once or twice, and based on this determination, it can be input in advance to the control circuit and stored. When a certain drive motor switches to the one-time sliding reference current value side or the two-time rubbing reference current value side, the current value of the drive motor under load is measured, and this measured current value and the reference current on the switched side are The values are compared, and if the current values are different, the control circuit issues a command to the control motor to adjust the roll gap, and the measured current value of the drive motor becomes the reference current value. Since the deweighing rate is controlled by adjusting the deweighing rate to match, it can be provided as a method for controlling the deweighing rate suitable for two-strip test hullers, where the conditions for dehulling material vary greatly and the amount of feed varies. It was.

[Brief explanation of drawings]

The drawings show the method for controlling the unweighing rate according to the present invention, and FIG. 1 is a longitudinal sectional side view of the entire test hull. FIG. 2 is a flowchart, and FIG. 3 is a flowchart of another method. l... Fixed roll 2... Moving roll S...
・Color sensor Between...Drive motor I...Control motor 3...Control circuit 4...Supply valve

Claims (1)

[Claims] 1) A two-time sliding type in which a fixed roll (1) and a moving roll (2) are installed oppositely, and a fixed amount of material is supplied between the two rolls (1) and (2) to remove the material. In test haller, roll (1)
(2) Measures the load current value of the color sensor (S) that distinguishes between one-time printing and two-time printing, the control motor (m) that adjusts the roll gap, and the drive motor (M). The color sensor (S), the control motor (m), and the current measurement device are electrically connected via a control circuit (3), and the color sensor (S) is printed once and twice. The one-time sliding reference current value side of the drive motor (M) input to the control circuit (3) or the second
Switch to the rotating reference current value side and compare the measured current value when the drive motor (M) is loaded, and adjust the roll gap via the control motor (m) based on the difference in both current values.
A method for controlling the removal rate of a double-sliding test haller, characterized by automatically controlling the rate. 2) It is determined that the opening degree of the supply valve (4) is to be switched to the one-time rubbing setting opening degree side or the two-time rubbing setting opening degree side by determining whether the color sensor (S) is 1-time rubbing or 2-time rubbing. A method for controlling the removal rate of a double-sliding test huller as set forth in claim 1.