JPS614544A - Controller for gluten removal of rice huller - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] [Application field of rIf industry] The present invention relates to a rice hulling machine equipped with a pair of dehulling rolls.
The amount of paddy supplied to IIQ +70-ru is jl! 1m
a shutter for dehulling, a dehulling rate sensor for detecting the dehulling rate of the mixed rice dehulled by the dehulling roll, and a filling amount for detecting a state in which the mixed rice is normally fed to the dehulling rate sensor. The present invention relates to a demolition control device having a structure that is provided with a coffin, adjusts the gap between the demolition rolls based on the detected value of the demolition rate sensor, and performs constant control of the demolition rate.

``Prior Art'' Such a control means has already been disclosed in Japanese Patent Application No. 58-210197 filed by Ganjin Toyama et al. There is a system in which the demolition rate is detected by a demolition rate sensor I7, and the gap between the demolition rolls is adjusted based on this detected value.

``Problems to be Solved by the Invention'' However, the problem with the structure described above is that if automatic control is started from the beginning of the dehulling process, the time until the mixed rice after hulling reaches the dehulling rate sensor is There is a drawback that the initial control becomes extremely unstable, such as when the control is already being performed and the control goes out of control or a hunting condition occurs.

"Means for Solving the Problem" Therefore, the present invention provides an automatic explanation rate based on the detected value of the de-roding rate sensor described in +iiij when the shutter is open and the filling amount sensor detects the normal feeding state of mixed rice. It is configured to start control.

``Function'' According to the present invention, when the detection operation of the de-hulling rate sensor becomes stable under the condition that the mixed rice, which is the washed-out rice, is normally fed to the de-hulling rate sensor, the automatic de-hulling process is performed. rate control is initiated,
Stable control is possible from the initial stage of control.

``Example J An example of the Kusushitagi invention will be described in detail based on the drawings.
The figure is an overall sectional view of the huller, showing the protrusions, and Figure 2 is the overall appearance of the same (A). )(4) is the
) A pair of removing rolls installed oppositely at the lower part, (5) a shaft for opening and closing the lower part of the hopper (2), and (6) a +iii
Deployment lever (7) is a step drive type culm motor which is a removal rate adjustment motor that adjusts the gap between the rolls (3) and (4). .

In the figure, (8) is a wind sorting unit that places the hulling unit (+) on top of the rice huller, which removes small rice from the brown rice that falls into the brown rice take-out gutter (9) and the brown rice conveyor (10), as well as the gutter (9). Karakin CI+
) and the rice removal gutter (12) that carries the rice out of the machine.
and receives the rice (brown rice and paddy) that has been scraped off by facing downwards from the dehulling rolls (3) and (4) through the grain scattering plate (14) and grain flow plate (15). A drained rice takeout gutter (16), a drained rice conveyor (17), a stubble takeout gutter (18) and a stub conveyor (19) for receiving the stubs separated from the stubbed rice, and the stubbed rice and rice husks separated from the rice. and a dust suction/exhaust fan (20) for discharging dust to the outside of the machine.

+11 (21) is placed on the wind sorting section (8) and is passed through the hulling section (
1) M −'ly, $ t 6 J! '71'″“
゛゛31SIJ K% 7T<t kl<,
.

The upper part that rotates continuously in one direction to separate brown rice and paddy.
tj, lower sorting tubes (22) (23), support rolls (24)...(25), which rotatably support the sections (22), (23), respectively, and a two-part sorting tube. (
A mixed rice supply tank (26) provided outside one end of 22), and a supply conveyor (27) inserted into the two-part sorting tube (22).
), re-sorting grain conveyor (28) and brown rice receiving conveyor (2)
9), a brown rice receiving conveyor (30) inserted into the lower sorting tube (23), and a rice sorting machine (31) installed between the L lower brown rice receiving conveyors (29) and (30) and connecting these in series. , 11
a chute (32) that communicates the paddy discharge end of the partial sorting tube (22) with the hopper (2); a chute (33) that communicates the re-sorting grain conveyor (28) with the lower sorting tube (23);
Slide the mixed rice discharge end of the upper part communication tube (23) to connect it to the rice take-out gutter (16) (34), and the brown rice receiving container hair (30) to take out the brown rice and connect it to the gutter (8). A chute (35) is provided.

1.7 A brown rice lifting conveyor (3B) whose lower end side communicates with the brown rice conveyor (lO), and a sorted rice lifting conveyor/bear whose lower end side communicates with the scraped rice conveyor (17).
(37) and stand along the outside of the machine.

The sorted rice lifting conveyor (3) is placed in the supply tank (26).
7) The upper end is connected through a connecting pipe (38), and the scraped rice of the hulling section (1) and the turned rice of the sorting section (21) are connected to each other by a connecting pipe (38).
The upper end of a bypass pipe (38), which is a bypass path that separates 1 and 1 and 1 and 1 and 1 and 1 and 1 and 1 and 1 and 1 and 1 and 1 and 1 and 1 and 1 and 1 and 1 and 1, respectively, is connected to the connecting vibe (38), and the brown rice conveyor (17) and 1j11 storage The lower end of the bypass v (38) is connected to the joint (40) with the upper conveyor (37), and the lower end of the bypass pipe (39) is connected to the upper conveyor (3Ei) (37).
Install it along the outside of the machine.

Figures 4 to 51; 7I are enlarged sectional views of the bypass pipe (38), and the volume 3H which is the homper for measuring the falling weight;
(41) Installed inside the total bypass pipe (39) and said container (
41) One overflow gutter (42) on each side is integrally constructed to keep the container (41) always filled with mixed rice (12), and excess mixed rice is drained into the overflow gutter (42).
) to leak from the upper edge of the container (41), and a grain outlet (43) is opened in the center of the do portion of the container (41),
It is formed so that a fixed amount of mixed rice falls continuously.

In addition, a sensing shaft (45) is connected to the bypass pipe (39) below the container (41) via a bracket (44).
A sensor arm (46) which is rotatably supported and has one end fixed in the middle of the shaft (45), and a receiving plate (47) at the other end.
is fixed, and using the shirt (45) as a fulcrum, attach the receiving plate (4).
7) is supported so as to be able to rise and fall freely, and the receiving plate (47)
1. Tilt in the left-right direction substantially perpendicular to the rocking direction.

A receiving plate (47) is positioned approximately directly below the outflow Ll (43).

and bracket) (48) to the supporting potentiometer (4! II) identified by the sensing shirt)
A weight arm (50) is connected to one end of the sensor arm (45) horizontally in the opposite direction to the sensor arm (46), and a weight arm (51) is hung vertically downward. (45) )
Fix it to each end. In addition, a weight (
52) is attached to at least one of each weight arm (50) and (51), the mixed rice falling from the outlet (43) is brought into contact with the receiving plate (47), and the receiving plate (47) and the potentiometer (49) ) is used to form a fertilization rate sensor (53), and the culm weight of the mixed rice and the weight 1 (52) are measured. Relative weight change, 9. C-ya, care A
(4 [i) and Sensing Shirt) (45) is rotated to detect the falling weight of mixed rice falling from the outflow IJ (43) via a potentiometer (49). Further, an overflow sensor (54) is installed outside the container (41), and an overflow sensor (54) is installed outside the container (41).
An overflow sensor (54) serving as a filling amount sensor for the container (41) is installed outside the container (41).
) is filled with a certain amount of mixed rice and is in an overflow state, this is detected by turning on the switch (55).

As shown in FIG. 6, the wall removing rolls (3) and (4) are interlocked and connected via transmission gears (56, 57, 58, and 59), and the auxiliary wall removing roll (4) is connected to a gap adjustment link. (eo).

The slider (61) is connected to the demolition motor (7) via the gap adjustment shirt h (62) and gears (63) and (64), and the motor (7) is driven in the forward and reverse directions.
[The hulling gap (C) of the rolls (3) and (4) is provided so as to be controlled to open and close as appropriate. (82) A slider (65) is screwed onto the threaded portion (62a) at the other end, and a roll maximum opening movement limit switch (66) is operated by a roll position switch operated by the slider (65). ) is fixed to the machine frame (67), and when the rolls (3) and (4) are opened to the maximum by driving the motor (7), the switch (66) is configured to detect this. . Furthermore, the rolls (3) (4) and roll transmission gears (56) (57) (58) (59)
The removal case (67) which has a built-in removal roll (3) (
4) is equipped with a microphone (68) that is a microphone sensor that detects changes in the driving sound when the motor rotates.
A microphone (68) detects the meshing sound of the transmission gear (5B) (57) (58) (59), which changes due to contact during rotation of the dehulling rolls (3) and (4). ) is configured to detect the zero state of the sensor via a microphone (68).

As shown in FIG. 3, there is a sorting amount sensor in the upper sorting tube (22) that detects changes in the sorting amount, which is the amount of mixed rice supplied to this tube (22), using a potentiometer (69). (70).

FIG. 7 is a control circuit diagram of the removal motor (7), in which a removal control circuit (71a) constituted by a microcomputer (7) is connected to a power supply (7) via a main switch (72).
3) is applied, and the changeover switch (74) for switching between automatic and manual adjustment is connected to the control circuit (71a), and the potentiometer (
48) to the control circuit (
71a), and the adjustment circuit (75) adjusts the detection value of the potentiometer (49) on the production line.
Configure it to do so.

Also, the removal roll (3) (4) Gear at the time of contact (513)
(57), (58), and (59) for detecting the drive sound are connected to the control circuit (71a) via a band pass filter (76), and the jack (5) at the bottom of the popper (2) The shutter inch (77) detects when the opening operation is performed, the roll position switch (66) detects the maximum opening operation of the rolls (3) and (4), and the +iQ deployment lever (8) is operated. An expansion operation detection swift (78) for detecting emergency opening of the demolition rolls (3) and (4), an over flow inch (55) of the demolition rate sensor (53), and the demolition control. O is a control operation switch that performs automatic start/cancellation.
The K-sinch (79) is connected to the control circuit (71a).

Furthermore, there is a sorting amount sensor (70) that detects the amount of mixed rice in the sorting tube (22), and a culling amount sensor (70) that adjusts the gap (G) between the culling rolls (3) and (4) by operating a dial. Rate setter (
80) is connected to the control circuit (71a), the +iQ scale motor (7) is connected to the drive circuit (81), and the demolition rolls (3) and (4) are manually opened and closed. Priority manual open/close switches (82) are respectively connected to the control circuit (71a).

Furthermore, each lamp (83) (84) (85), which is an alarm for notifying the appropriate, high, or low rate of demolition detected by the demolition rate sensor (53), is connected to the demolition non-display circuit (86). ) and also through the sorting amount sensor (70
The sorting amount display (87), which is a monitor that displays the sorting amount detected by the
71a), as well as the immature grain indicator (
88), automatic display (89), manual display (90) and -
The buzzer (91), which is a cap lid, is connected to the control circuit (71a).
be connected to each.

On the other hand, the aforementioned switches (55) (
74), (77), (78), and (79) are connected to the OK power supply inch (82), respectively.

The present embodiment is constructed as described above, and its control operation will be explained below with reference to the flowcharts shown in FIGS. 8 to 19.

(2) When opening and closing the roll gap (C) manually (see Figures 8 and 10) (1) Switch the changeover switch (74) to manual mode.

(2) Close the deployment lever (6) and shutter (5).

(3) Close the manual open/close switch (82).

(4) When the rolls (3) and (4) are in contact and the contact sound is confirmed, turn off the switch (82) and zero the roll gap adjustment knob (not shown).

(5) Open the manual opening/closing switch (82) to open the sunken rolls (3) and (4) at predetermined intervals.

- These operations are all performed at the discretion of the operator.

2. When operating the roll gap (G) by automatic control)2
-1 At the start of automatic control (see Figure 8) (1) Initial gap X
The setting of 1 is performed by the demolition rate sensor (80).

(2) When the deployment lever (6) is closed and the shell (5) is closed, set the roll gap (C) to the reference value x1 position.

(3) Tire operation to set the set time T1 required to start automatic control when the deployment lever (6) is closed, the shutter (5) is open, the overflow sensor (54) is on, and the sorting amount sensor (70) is positive when sorting iφ is positive. or start.

(4) Check the removal status during work, reset the roll gap (C) standard to the standard removal rate, and memorize the reference value X.

(5) Turn on OK switch (78).

(6) After the set time T1 has passed, automatic control starts and 11
The moving table and bar (88) are lit. In other words, the deployment lever (13)
Closed, Shock (5) Open, Overflow Sensor C54)
Automatic control starts when all of these conditions are satisfied after a certain period of time has elapsed since the selection amount sensor (70) was turned on and the selection amount sensor (70) was in a proper state.

Setting to the roll gap reference position (see Figure 11) (1) Rolls (3) and (4) are opened to open the roll gap (C) by X3.

(2) The microphone level L, which is the noise level at this time, is sensed by the microphone (68), and this level L is detected by the microphone (68).
(3) (4) Contact sound level L. (Lo
=LXk).

(3) After the set time T3 has passed, rotate the rolls (3) and (4) and close them.

(4) When the rolls (3) and (4) are in contact and the microphone (68) senses the level Lo, the rolls (3) and (4)
) is opened by an amount equivalent to the set reference value x1.

2) Resetting the roll gap standard (see Fig. 10 A) When the removal rate setting device (80) or manual opening/closing switch (82) is operated after automatic control is displayed, the roll gap (C) is adjusted according to the instruction. After the adjustment, the gap is stored as a reference value X, and when the OK switch (78) is operated, the removal rate reference value corresponding to this reference value X is used as the reference removal rate, and control is thereafter performed. In addition, if it is not re-cented, x
=x, .

2-2 Automatic opening/closing control of the roll gap (C) (when normal hulling work is being performed) (Fig. 8).

(See Figures 9, 15 to 19) (1) The average deweighing rate a of the sample is greater than the unhulled rice dehulling rate a0, and the deweighing rate standard corresponds to the roll gap standard value X during the current operation. When the difference between the value and the average demolition rate a is smaller than the allowable range from the standard demolition rate, that is, the tolerance C, (aha,) 11 1
a-bl≦C) That is, when the contamination of immature rice ($1 rice) is small and the deviation from the standard dehulling rate is below a certain level.

a>b・・・Roll (3)(4) Open the stem a<b・・・Roll (3)(4) Close the stem a=b・・・Roll (304) Opening/closing/stopping maintenance (
2) When the roll gap (C) is within the -certain adjustment range '· (within '1') with the reference value X as the median value, repeat the measurement of the removal rate a after the set time Tz.

(3) During this period, a constant value Δ with respect to the reference value
A correction of X is made.

(4) When the roll gap (C) exceeds the fixed adjustment range X4 (X±X4 or more (or less)), the automatic control is interrupted and the roll gap alarm I is activated.

(5) After that, turn on the OK switch (78) to stop the operation of alarm I and re-set the standard of the roll gap (G).

2-3 Control safety check 7 (see Figure 8) During control 1
For each cycle, (1) check the microphone level, (2) change the roll position a switch (86) (roll-up - device alarm), (3) check the overflow sensor (54) and check the removal rate sensor (53). A level change (hombar clogging alarm) will be performed.

(1) If the micro level is excessive, increase the roll gap to
Open to Z.

(2) a-nz4″'t, WWWI (@ l 41'
4#F,,),.

When the roll position is 7 inches (ee) on, the roll position alarm is activated and automatic control is interrupted. In this state, when the shutter (5) is closed and the OK switch (79) is turned on, the alarm operation is stopped.

After that, the main switch (72) is turned on and the day cut-off automatic control is restarted from the preparation.

(3) Hopper clogging alarm (see FIG. 19) When the overflow sensor (54) is off or the level of the demolition rate sensor (53) is too low, the hopper clogging alarm is activated and the automatic control is interrupted.

In this case, the activation of the alarm is stopped by turning on the OK switch (78), and the time T starts from turning on the switch (73).
When the blockage in s is removed and both sessors (53) and 54 return to their original state, the standard for the roll gap (C) is set again and the process starts again from h.

2-4 Automatic opening/closing control of roll gap (C) (when the deviation from the reference value is large) (Figures 8 and 9).

(See Figures 15 to 18) White) Sample average dehulling rate a or immature rice dehulling rate a.

When the difference between the standard value of deweighing rate and the average deweighing rate a corresponding to the standard value of the roll gap during the current operation is larger than the allowable deviation C from the standard deweighing rate -bl
＞c) In other words, when the deviation from the standard dehulling rate is large but the amount of unripe rice (crude) mixed in is small, the number of times when the routes are connected with a>b is the paddy alarm IQ within the mth time. At the same time, n step rolls (3) (4
) open. At this time, if the gap (C) is within X+X4, the time T
After z, the sample removal rate is repeatedly detected. Also x+x4
When this happens, the automatic control is interrupted and the roll gap alarm (■) is activated. Note that the paddy alarm IO is automatically canceled when the alarm condition is resolved.

The mth time when the route is repeated with a>b, the automatic control is interrupted and the paddy alarm Im is activated.

At this time, the OK switch (79) is turned on to stop the operation of the paddy alarm Im, and the procedure is started again by resetting the standard of the roll gap (G).

(2) Control similar to the above (1) is performed also when a<b.

2-5 Automatic opening/closing control of roll gap (C) 1 (in case of large amount of immature rice mixed in) (Figs. 8, 9, 15 to 18)
(See figure) If the average dehulling rate a of the sample is smaller than the unhulling rate a0 of immature rice,
When k of the standard value of demolition rate corresponding to the standard value of roll gap during the current operation X is larger than the allowable deviation C from the standard demolition rate (
a≦ao and 1a-bl>c), i.e., unripe rice (when there is a large amount of coarse grain mixed in (actually, a<b is almost always the case, so we will only explain this case.) (1) Immature rice indicator (
8th) will be lit.

(2) When the number of consecutive passes through the route is less than U times, activate the paddy alarm IIm and proceed to the next step without closing the rolls (3) and (4).

(3) After the uth time, if paddy alarm II m is activated, the rolls (3) and (4) are closed in the n step, and if it is within the gap (C) or x - x4, repeat the route after time TZ. 4 when it becomes less than X-X4
will interrupt the automatic control and set the roll gap alarm II.
Activate. In other words, when a≦aO, from the U-th time onwards, rolls (3) and (4) move closed until they reach X4.

In this case as well, the roll gap alarm II is stopped by turning on the OK switch (78), and the roll gap (C) standard is reset and the process is started again.

2-6 Coarse layer work (Fig. 8, Fig. 9, Fig. 16).

(See Figure 18) If the gap setting value set by the dehulling rate setting device (80) during the current operation is smaller than the rough layer setting value After correction (to make a difference in the a value), the same control as in normal hulling work is performed.

In other words, when a>ao Ft1a-bl≦C, the same as 2-2 above a>a6 When 1a-bl>c, the same as la2-4 before When a≦ao, the same control as 2-5 above
).

Note that during the rough layer work, the microphone level is not changed every 1 cycles.

3. When operating the roll gap (C) by manual interrupt (see Figure iS9) White) Before starting automatic control (OK counter switch (92) off) O at the start of control
This is provided to detect whether or not you have pressed K Sui, Ji (79).If you press OK Sui, Ji (73) once, it is OK.
The power supply inch (92) is kept off, and then the OK switch (79) is turned on, and when the number 17 is reached, the OK power supply inch (92) is turned off. ) Manual opening/closing is performed by manually switching the switching switch (74).

(2) After starting automatic control (OK power output inch (92)
On), the automatic control is interrupted by opening the deployment lever (6), closing the shutter (5), or by operating the manual opening/closing switch (82) or turning off the OK switch (79), and after restarting, the roll gap standard is reset. The route starts from the set. The manual opening/closing switch (82) can be operated freely in either case of automatic control or later (manual priority).

In addition, flowchart 1, middle, F, (automatic start flag) is a determination whether or not a set time T1 has elapsed from the start (until it elapses, after O1 elapses), and Fz (coarse layer refrag) is a determination of the removal rate. The gap set by the setting device is currently the coarse layer gap setting value
Determine whether it is less than or equal to x6 (1. x when less than x6).

O) Used when exceeding .

Additionally, the alarm operates as follows.

(1) Deployment lever (6) open before automatic start, shutter (5)
) When the buzzer (91) is open, the buzzer (91) is activated continuously (2) Paddy alarm IO... High rate lamp (84) lights up (3) Paddy alarm In
... High rate lamp (84) flashing, buzzer (91) intermittent (4) paddy alarm n, ... Low rate lamp (85) lighting (5
) Paddy alarm II m... Low rate lamp (85) flashing, buzzer (91) intermittent (6) Roll gap alarm 1. U... Appropriate lamp (
83) Flashing, buzzer (91) intermittent (7) Homper clogged alarm...Each lamp (83) (84
) (85) Flashing and buzzer (91) Intermittent (8) Roll position alarm... Buzzer (81) Continuously, the average demolition rate a is determined by the demolition rate sensor (53) at a predetermined time, that is, every fixed time. This is the average value (a=Z/Y) of the total sum Z of detection values detected in pulses, and this predetermined value allows manual interruption even between pulses within a circle.

Note that C) shown in FIG. 20 shows another example of a deformed structure, in which the amount of correction tF, that is, the difference Xc = l
When xt1 is larger than the constant reference difference W, the correction amount is reduced to l/2 and the actual gap value
)22, and is configured so as not to follow a moderate correction of the roll gap.

"Effects of the Invention" As is clear from the above embodiments, the present invention provides a shutter (5) that adjusts the amount of paddy supplied to the dehulling rolls (3) and (4), and a shutter (5) that adjusts the amount of paddy supplied to the dehulling rolls (3) and (4). ) (4) detects the dehulling rate of the mixed rice dehulled by the dehulling rate sensor (53), and detects the state in which the mixed rice is normally fed to the dehulling rate sensor (53). Comprising a filling amount sensor (54),
The structure is such that the gap between the demolition rolls (3) and (4) is adjusted based on the detected value of the demolition rate sensor (53), and the demolition rate is controlled at a constant level, and the shutter (5) is opened. When the filling amount sensor (54) detects the normal feeding state of mixed rice, automatic dehulling control is started based on the detected value of the dehulling rate sensor (53).
53) When the detection operation of the drop-off rate sensor (53) is stabilized under the condition that the mixed rice, which is the washed-out rice, is being fed normally, the automatic theory h + control is started, and it is stable from the initial stage. This makes it possible to improve the performance of half-wall control.
It has remarkable effects such as

[Brief explanation of drawings]

Fig. 1 is a sectional view of the entire main part for hanging an embodiment of this Ao19, Fig. 2 is an external view of the same, Fig. 3 is an enlarged sectional view of the main part, and Fig. 4 is an enlarged sectional view of the main part.
5 to 5 are explanatory diagrams of the dehulling rate sensor section, FIG. 6 is an explanatory diagram of the hulling section, FIG. 7 is a dehulling control circuit diagram, and FIGS. 8 to 1.
FIG. 9 is a previous flowchart, and FIG. 20 is a flowchart showing another modification. (3) (4)... De-fγ roll (5)
... Shanta (53)...
- Removal rate sensor (54) ... Filling amount sensor (overflow sensor) Applicant: Yanmar Agricultural Machinery Co., Ltd. Agent Tadashi Fujiwara 3rd? ? Figure 6 4th ward 5th day turtle 9 heron 10 mouth I
＋ Prisoner Mu no? death〕
Raofon I5 Mouth 140 t ″′ $ 16 prisoner 'l, IT ■i No. 18
19. Written amendment to wrongful procedure (voluntary) August 3, 1980 Manabu Shiga, Commissioner of the Japan Patent Office 2. Title of invention: Demixing and price control device for rice huller 3. Relationship with the case of the person making the amendment. Application Person 4, Agent 6, Detailed description of the invention in the specification subject to amendment. 7. What is the content of the amendment? ``Next is the OK switch.'' from page 21, line 11 to line 13 of page 21 in the J specification? Correct like manure. [Next, OK sweets near 91 k can also be turned on. OK power utsuta sweets hand (92) is meant to be used for turning on. "to

Claims (1)

[Claims] A shutter that adjusts the amount of paddy supplied to the de-picking roll, a shedding rate sensor that detects the dehulling rate of the mixed rice dehulled by the dehulling roll, and a dehulling rate sensor that detects whether the mixed rice is normal. and a filling amount sensor that detects the state in which the material is being fed, and is structured to control the removal rate at a constant level by adjusting the gap between the removal rolls based on the detected value of the removal rate sensor. , when the shutter is open and the filling amount sensor detects a normal feeding state of the mixed rice, automatic removal rate control is started based on the detected value of the removal rate sensor. Sliding machine removal control device.