JPS6121743A - Dehulling ratio controller of hulling machine - 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 "Field of Industrial Application" The present invention relates to a hulling section that dehulls paddy using I82# rolls;
The rice huller is equipped with a sorting section that separates paddy from unpolished rice using a rotating sorting tube or a swinging sorting plate.

``Prior Art'' Conventionally, a culm bundle adjustment member is equipped with a tax rate sensor that detects the scraped mixed rice supplied from the hulling section to the sorting section, and a tax culm bundle adjustment member is installed based on the change in the brown rice (or paddy) mixing ratio in the mixed rice. A technology has been developed in which the removal rate is kept approximately constant by controlling the hulling gap (or floating pressure) of the grain floating rolls.

``The problem that the invention attempts to solve'' The above-mentioned conventional technology detects only the mixed rice that has been scraped off from the hulling section, so it is difficult to determine whether it is possible to solve the problem depending on the variety of rice, such as non-glutinous rice or glutinous rice, and the amount of water content. The culling rate sensor output changes and erroneously detects the culling rate, and it requires troublesome operations or complicated control circuits to correct it, making it difficult to improve the accuracy of culling rate detection by the sensor. There was a sign.

"Means for solving the problem" Sixthly, the present invention provides a paddy sensor for detecting paddy supplied to the dehulling rolls, a brown rice sensor for detecting brown rice taken out from the sorting section, and a rice sensor for detecting the brown rice taken out from the sorting section. and a mixed rice sensor for detecting the mixed rice that has been scraped off to be supplied, and is configured to be able to automatically control the removal adjustment section JO based on the outputs of each sensor only when the outputs of each sensor are all at a set level or higher. It is something.

``Sakukawa'' Therefore, by separately detecting the paddy before hulling, the brown rice after sorting, and the mixed rice of brown rice and paddy after hulling and before sorting, respectively, by using the above-mentioned sensors, the paddy and brown rice are detected. By constantly obtaining output characteristics of
The detection error can be significantly reduced by 1. By making it possible to control the 4-wheel vehicle only when the output of each sensor is above the set level, even if the amount of paddy and brown rice changes, this will not affect the detection error. It can prevent malfunctions, easily improve the precision of balance detection and tax sample control, and easily and safely handle the four-bar control operations such as when starting work and finishing work. It is something that can be achieved.

“Example J Embodiments of the present invention will be described in detail below based on the drawings.

FIG. 1 is a front cross-sectional view of the entire device. Figure cb (1) is the hulling section, (2) is the hopper into which the paddy is put, (3) and (4)
) is a pair of release rolls installed opposite to each other at the bottom of the hopper (2). (5) is a shutter that opens and closes the bottom of the hopper (2). (6) is a shutter that opens and closes the bottom of the hopper (2). A deployment lever (7) is a culm rate adjustment member that adjusts the gap between the rolls (3) and (4), which is opened in an emergency manner when operated.
It is a rod specimen and is constructed to continuously culm the paddy.

In the figure, (8) is a winnowing part on which the hulling part (1) is placed, and the machine basket (9) forming the winnowing part (8) and the brown rice 11y
The outlet 17 gutter (10) and the brown rice conveyor (11), the gutter (9) are equipped with a small rice take-out shoe (12) for carrying out the small rice separated from the brown rice (12), and a small rice receiver (12).
13) and a scraped rice take-out gutter (which faces down the gift rod r3) (4) and receives the scraped rice (brown rice and paddy) through the grain scattering plate (14) and grain cutting plate (15). 16), a rice husk conveyor (17), a rice husk take-out shoe (1111) for receiving rice husks separated from the rice husks (1111), a rice husks receiving device (19), and a rice husk that receives rice husks separated from the rice husks removed from the machine. It is equipped with a dust suction/discharge fan (20) and is configured to separate rice husks from scraped rice.

In the figure, (21) shows the hulling section (1) placed on the wind sorting section (8).
) is a sorting section installed in parallel with the rice cooker, as shown in Figure 2.The sorting tube (22) rotates continuously in one direction to separate brown rice and paddy.
, a sorting motor (23) that rotates the tube (22) in one direction via support rolls (23a) that rotatably support the tube (22), and one sorting tube (22).
Supply gutter (24) and supply conveyor (25) interpolated into
and a brown rice receiving trough (26) and a brown rice receiving conveyor (27) installed in parallel to these, and a paddy type-L barge (28) provided inside the sorting tube (22) at the end of the sorting, and its blades ( 28) Scoop the paddy with...
2) and the brown rice receiving conveyor (
27) Connect the end to the brown rice removal gutter (10),
- an upper thrower (31) configured to separate and take out paddy from brown rice, and whose lower end side communicates with the brown rice conveyor (10); and the scraped rice conveyor. (1
7) with the lower end communicating with the supply conveyor (25) and the upper end communicating with the supply conveyor (25).
) A rice lifting thrower (32) facing the feed start end is installed vertically along the outside of the machine casing (9), and each of the above-mentioned parts (
1) Hulling sorting motor (33) that drives (8) and (21)
In addition, in Fig. 2, (34) is a sensor (35) that detects the amount of sorted particles inside the sorting tube (22).
) is a gate valve that controls the reception of brown rice into the brown rice receiving trough (26) by adjusting the angle using the sensor (34).

Furthermore, (3B) in the figure is a particle selection section placed on top of the sorting section (2), which includes a particle selection cylinder (38) having a large number of particle selection holes (37), and a neck (38) that is connected in one direction. A support shaft (39) is tilted to support the grain sorting cylinder (
38) to 11! A grain sorting motor C40) that rotates continuously, a supply tank (41) facing the sloping upper end opening of the grain sorting tube C38), and a neck (38) facing the sloping lower end opening of the grain sorting tube (38). A sorting chute (42) that receives brown rice (sorted grains) from the grain sorting hole (37), and a waste grain shoe h that receives unruined rice (green rice) and waste grains leaking from the grain sorting hole (37)...
(43), and unremaining grains such as unpolished rice are introduced into the grain sorting tube (38) from the inclined H end side of the grain sorting tube (38) via the tank r40), while at the same time, the inclined lower end of the grain sorting tube (38) Brown rice is dripped from the opening, and while it is moving inside the grain cylinder (38), the pick hole (37) is opened to let loose grains (including waste grains) leak out from the brown rice. It is configured to send brown rice (sorted rice +2) through the sorting chute (42) to a brown rice take-out dunk (44) provided on the outside of the grain sorting section (36). ing.

Figure 3 is an explanatory diagram of the hulling part (1), and the support @ (45)
11φ rod rolls (3) (4) each pivoted on C46)
are installed internally facing the hulling case (47), and each support shaft (4
5) The transmission gears (48) and (49) are pivotally supported by r4F), and the gear case (50
), and the gears (48) (48) are mounted in the case (5).
0). In addition, drive gears (53') (54) are installed in the case C30) via the power shafts (51) and (52).
and each gear (48) (49') and (53) C5
4) are always meshed with each other, and one of the above-mentioned culling rolls (
The support @h (46) of 4) is pivotally supported in the middle of the gap adjustment link (55), and the shaft 17 supports one end of the link (55) coaxially with one of the power shafts (52). The mechanism is equipped with an R adjustment shirt (58) which is interlocked and connected to the floating motor (7) through gears (58') (57), and which is connected to the other end of the link (55) through a bearing member (58). Shirt) (59) Connect the threaded part (59a) at one end to the cap,
In addition, in FIG. 3, the gear case (50) is configured to enlarge or reduce the hulling gap (60) of each roll (4) into which paddy is introduced by forward/reverse control of the motor (7). ) to
.

A contact sensor (61) is provided as an initial gap setting member that detects the change in the driving sound when the Ikl is attached and the Yue culm roll (:3) (4) comes into contact, and the sensor (61) is connected to the microphone (62). (63) is attached to the sound sensing part of the microphone (62), and the microphone (62) is placed inside the gear case (50). established,
A microphone (
The minimum closing direction movement of the gap adjustment link (55) by the motor (7) is detected by the microphone (62).

FIG. 4 is a control circuit diagram of the control system for the control system for the control system.
)<4) and a paddy sensor (64) that detects the paddy supplied to the
a brown rice sensor (65) for detecting brown rice taken out from the sorting tube (21); and a rice sensor (65) for supplying paddy to the sorting section (21);
It is equipped with a mixed rice sensor (66) for detecting rice and scraped mixed rice, and as shown in FIG. Sensor (64)
The mixed rice sensor (66) is also provided at the feed entanglement end fall port of the supply gutter (24) that carries the mixed rice into the sorting tube (22).
In addition, a brown rice catcher (26) is installed from the feeding tangled end to the grain catching area (3
6) A sorting shoe during the process leading to the output (42) The brown rice sensor (35) is installed at the dropping port, and a shock-sensing structure using a piezoelectric semiconductor element, or a weight sensor using a receiving plate, potentiometer, etc. Due to the measurement type structure, each of the sensors (64) (85) (861) receives a substantially constant amount of impact force (or weight) of paddy, brown rice, and kongo rice (84) (C85) (68). It is configured to be detected by

(The following is a margin.) Examples of waste distribution for each of the sensors (84), C65, and (68) are shown in Table 1 of the manure-F.

> 1 C or less margin) In addition, the drive cap (53) for the microphone (62) described in 1.
(54) A band bus filter (67) that distinguishes the sound input and detects the drive sound when the gift rod rolls (3) and (4) contact each other, and a main switch (6) that applies power (8B) to each part.
9), a manual adjustment switch (70) for manually rotating the Iφ floating motor (7) in the forward and reverse directions, an automatic switch (71) for switching between automatic and manual adjustment, and the floating rolls (3) and (4). The rice hulling interruption switch (72
) and the shutter switch Sochi (73) which detects when the lower shutter (5) of the hopper (2) is opened
) and a flash control circuit (74) constituted by a microcomputer, and each switch, 2,000 (69) (70) (71) (72) (73), is connected to the control circuit (74). At the same time as connecting it to the Yue 4 car motor (
7) through the drive circuit (75) to the control circuit (7).
4).

In addition, the output is smoothed to prevent hunting in the control operation.
C85) (66) and (brown rice sensor (65) output (b) and paddy sensor (64) output (a)
The output difference detection circuit C77) such as an operational amplifier that calculates the difference 1-a) and the output (b) of the brown rice sensor (65) and J
It is equipped with an output difference detection circuit (78) such as an operational amplifier that calculates the difference (b-c) between the output (C) and the output (C) of the Kongomei sensor (66). Connect one detection circuit (77) to an 11/4 difference calculation circuit (80) (81) such as an operational amplifier, and the other detection circuit (78).
are connected to the arithmetic circuits (80) (81), and each arithmetic circuit (80) (81) is connected to the control circuit (74).
The difference between the standard value determined by the setting device (78) and the actual value determined by the explained rolls (3) and (4) is output from the calculation circuit (80) C81), and the The difference between the standard value and the actual tax n value is judged by the control circuit (74) and the operation of the Etsu I4 rate motor (7) is controlled.The outputs of the respective calculation circuits (80) and (81) are complementary. The control circuit (74) is configured to determine whether or not the shape is symmetrical.

Furthermore, a minimum output setting device (82) for setting the minimum allowable output necessary for controlling each of the sensors (84), (85), and (8B).
)... 3-side comparator (83)...
・Input connection of each sensor r84) (85) (88) to each comparator (83)... is performed to check whether the outputs of each sensor (84) (65) r661 are all above the set level. Connect each comparator (83) to the ant game to be detected (84), and use the output of each sensor (8+H (65) (8B)) above the set level to control the tax via the AND gate (84). Circuit C74) is kept on, and each sensor (64) (6
5) (F3B) The tax # rate motor (7) based on the output
is configured for automatic control operation.

Furthermore, the output (a) value of the paddy sensor (64) is
a comparator (85) which produces an output when it is greater than the output rb) value of !65); a comparator (86) that outputs the output when the output (c) value of the rice sensor (66) is larger than the output (b) value of the brown rice sensor (65);
The output (c) value of the mixture amount sensor (68) is
) is provided with a comparator (87) that produces an output when the value is greater than the output (a) value, and an alarm (89) and an automatic Control medium circuit (9o)
Each sensor (64) (ll15) is connected in parallel.
Since the paddy sensor (64) is configured as an impact sensing type or a weight @ + measuring type, it is difficult to use the paddy sensor (64) during normal hulling sorting work.
Which output (a') value is the smallest? Also, brown rice sensor (65
) becomes the largest, and each sensor (84') (65
) (6B) is recognized as abnormal, the alarm (89) notifies the abnormality based on the output of one of the comparators (85), (88), and (87). &I stutters so as to interrupt the automatic control operation of the Il1 bundle motor (7) by the Il1 tot circuit (90).

Further, a shock-sensing or weight-measuring brown rice quality sensor (91) detects the properties of the brown rice taken out from the addition section (21) (e.g., water content, amount of mixed unprocessed rice, amount of mixed rice, etc.).
In addition, as shown in Figure 1, brown rice fried tossroa (
21) and the supply tank (4;), the sensor (91) is attached to the outlet of the thrower (21), and the sensor (81)
Measure the weight of a certain amount of brown rice using the metering hopper (92) and sensor plate (93)17, when the moisture content of brown rice is high, or when a large amount of unprocessed rice (green rice) is mixed.
Or, when the amount of mixed rice (waste rice) is large, the sensor (
91) to detect them by the increase in measured weight. It also includes a brown rice quality determination circuit (94) that determines the output of the brown rice quality sensor (91). Interrupting the automatic control operation of the rate motor (7) and connecting the grain selection motor (40) to the determination circuit (94) via the speed governor circuit (85);
The above-mentioned Ukihatsha is configured to increase and adjust the driving rotation speed of the Ayabe C38) and take out unprocessed rice and small rice by its grain sorting tube (38) 1- to improve efficiency. As shown in the flowchart in Figure 5, turn on the main switch (69) and operate it to start the hulling gap (BO) control by the fugami culm mo/yu (7), By operating the reference setter (73), the center rod bundle': 7) Initialize the reference control width (x). Then, by turning off the automatic switch (71A),
Manual! 11! The waist buoyancy rate is manually adjusted by operating the locking motor (7) using the I switch (70), and the deployment lever (6) is opened by turning on the automatic switch (71). When the lever (6) is closed, the motor (7) is activated and the rice husking gap (3) (a) is activated.
60), the contact of the rolls (3) and (4) is detected by the microphone (62), and the closing movement is detected by Ichikawa.
Next, the motor (7) is operated in reverse to achieve the preset value 17.
The hulling gap (60) is opened to the initial gap. , after that
This is a device that opens the shaft (5) and supplies the paddy from the spring (2) to the tax culm roll (3) C4).The paddy sensor (84) and brown rice sensor (65) are used for mixing. Rice sensor (
When each output (a, b, c) of 66) becomes 1 or higher than the set level, the AND gate (84) output starts automatic control of the Yuebusha motor C7), and each output difference detection circuit (77)
paddy and brown rice sensor (64) (fl15) by r78)
output difference (b-a) and brown rice and mixed rice sensor C65
) (66), and calculate the difference (A, B) between the tax culm rate reference value and the actual ambiguous sample using each Eikyaku difference operation circuit (80) (81). . Then, it is confirmed that the complementary symmetrical outputs (A, B) of each arithmetic circuit (80) and (81) match in absolute value, and when they do not match, a circuit alarm is output and, When it matches 17, it is judged whether the actual culm rate is higher (A<0) or lower (A>0) than the reference value, and if it is higher, the culm motor (7) is opened. When it is low, the motor (7') is closed to reduce the hulling gap (80), and the basic thrust control width of the motor (7) is (When the motor (7) is operated and controlled for a period of time based on
3) After waiting for a time longer than the time (T seconds) for the scraped rice in (4) to reach the brown rice sensor (65), each of the sensors (64)
) (85) The automatic control of the motor (7) will be repeated 17 times based on the detection input and the calculated value by (8B). Sensing type or weight measurement type brown rice sensor
Fried brown rice (-
Attach this to the dropping port of the brown rice receiving gutter (26) between the thrower (3I) outlet. For example, do not feed brown rice to the grain sorting tube (3B). When brown rice is being directly taken out of the machine from the thrower (31). (42) Instead of the brown rice sensor (65) at the dropping port, use the brown rice sensor at the outlet of the brown rice receiving trough C26) to detect paddy and mixed rice (64) (8B)
At the same time, it is also possible to automatically control the Yue specimen motor (7) based on these outputs.

Furthermore, it is equipped with a light reflection sensing type paddy sensor, a brown rice sensor, and a mixed rice sensor using photoconductive semiconductors, etc. The paddy sensor is installed at the bottom of the soba (2), and the brown rice sensor is installed at the bottom of the supply tank (41). The mixed rice sensor is slid down and attached to the rice removal gutter (1B') through a transparent material such as a glass plate (not shown).
(2) Paddy flowing down the bottom of the supply tank (41) Brown rice flowing down the bottom, and drain 17 gutter (16)
The sensor is configured to emit light from each of the sensors for each mixed rice flowing down the bottom, and the content ratio of paddy (or brown rice) is detected by each sensor based on the amount of reflected light. In addition, when each sensor of the above-mentioned paddy, brown rice, and mixed rice of the impact sensing type or weight measurement type is arranged as shown in FIG. By changing the gate (84) to a Nantes gate (not shown) and the OR gate (88) to a Noah gate (not shown), the paddy sensor provides the largest output (a) value and the smallest output (b) value. Based on the outputs of the brown rice sensor and the mixed rice sensor that has an intermediate output (c) value, the IIRff motor (7) can be automatically controlled via the switching rod control circuit (74). [Effects] As is clear from the examples, the present invention is equipped with a pair of floating rod rolls (3') (4) and a sample adjustment member such as a jetting rate motor (7) for changing the 111 bundles. Hulling section (
1) and a sorting section (21) for sorting the scraped mixed rice from the hulling section (1) described in 4i7 and extracting brown rice. A paddy sensor (64) that detects grainy paddy, a brown rice sensor (65) that detects brown rice taken out from the sorting section (2I), and a brown rice sensor (65) that detects the scraped mixed rice supplied to the separation section (21). and a mixed rice sensor (66), each of the sensors (64) and (65)
(6B) It is configured such that the above-mentioned lug sample adjustment member (7) can be automatically controlled based on the output of each sensor (84) C85) (8B) only when the outputs are all above the set level. Brown rice after sorting Brown rice and paddy in the sorting department after hulling! Kongo rice and each of the sensors (64), (85), and (66)
), the output characteristics of paddy and brown rice can be obtained at all times, making it possible to detect 19 samples of mixed rice more accurately than before, even if the detection conditions for paddy and brown rice change. It is possible to significantly reduce the detection error of Etsu Ukimoto compared to the above-mentioned sensors (64) + 85).
Only when the output of (ail') is higher than the set level, it is 4.
By making this control possible, it is possible to prevent malfunctions caused by changes in the amount of paddy and brown rice, and it is possible to easily improve the accuracy of tax culm rate detection and culm rate control.
This has the effect of preventing runaway control operations of the control wheel at the start and end of work due to the different installation positions of the sensors, allowing for safe handling.

[Brief explanation of the drawing]

FIG. 1 is a general cross-sectional view showing one embodiment of the present invention.
21'4 is a partial sectional view of the same, FIG. 3 is an explanatory diagram of the hulling section, FIG. 4 is a control circuit diagram of the husk control circuit, and FIG. 5 is a flowchart thereof. (+1... Paddy sliding part (3) (4)... ■Brass rod roll (7)... Clear floating motor (vague culm rate adjustment member) (2
1)... Encounter part C64)... Paddy sensor (
65)...Brown rice sensor C6
6)... Mixed rice sensor Mr. Yanmar Toyoki Co., Ltd. Mr. Rito Fujiwara Naka, Jidai Z Sticky notes 3 mouths

Claims (1)

[Claims] A rice huller comprising a pair of dehulling rolls, a hulling section provided with a dehulling rate adjusting member for changing the dehulling rate, and a sorting section for sorting the mixed rice scraped from the hulling section and extracting brown rice. The sliding machine includes a paddy sensor that detects paddy supplied to the derolling roll, a brown rice sensor that detects brown rice taken out from the sorting section, and a mixed rice sensor that detects the scraped mixed rice that is supplied to the sorting section. A dehulling rate control device for a rice huller, characterized in that the dehulling rate adjusting member is configured to be able to automatically control the dehulling rate adjusting member based on the outputs of the respective sensors only when the outputs of the respective sensors are all equal to or higher than a set level.