JP2019037935A - Hulling sorter - Google Patents

Abstract

To provide a hulling sorter which interrupts supply of unhulled rice supplied from a previous process of the hulling sorter when operation stops, and does not clog a roll clearance by accumulation of the unhulled rice on a hulling roller due to the return unhulled rice circulating in the hulling sorter.SOLUTION: A hulling sorter has an auto stop mode which automatically stops a driving source of the hulling sorter in the case where predetermined time has elapsed while not instructed by an operator during circulation processing with any one of transition to residual rice discharge processing, transition to stop processing of hulling operation, or transition to continuation processing of the hulling operation.SELECTED DRAWING: Figure 9

Description

  The present invention relates to a rice hull sorter.

  Conventionally, in Patent Document 1, the switching of the start / stop of the swinging of the sorting plate and the switching of the circulation / discharge switching valve are linked by a single operating means (single lever), and the motor or electrical There is a disclosure of an operation device that improves operability without using control or the like.

However, in Patent Document 1, a lever operation for moving a single lever by an operator (operator) is required, and it is troublesome to perform the lever operation each time switching between circulation and discharge. It was.
Therefore, in Patent Document 2, an operation lever position detection sensor, a controller that automatically controls switching of the circulation / discharge switching valve, and a mixed rice amount sensor that detects the amount of mixed rice in the mixed rice tank are provided. ,
If the mixed rice amount sensor in the mixed rice tank detects a predetermined amount or less in a state where the brown rice is discharged by the lever operation (circulation discharge switching valve ... discharge side), the controller operates the lever operation position as it is (discharge position). ), Only the circulation discharge switching valve is switched from the discharge side to the circulation side (circulation discharge switching valve ... circulation side) by the motor to process the remaining rice.
At the same lever operation position (discharge position), if the mixed rice in the mixed rice tank increases and the mixed rice amount sensor detects a predetermined amount or more, the motor switches from the circulation side to the discharge side and discharge processing is performed. And
If the detection is continued with the mixed rice amount sensor remaining below the predetermined amount, the main motor is controlled to stop after a predetermined time.

  As a result, once the amount of soot to be supplied is reduced and the inside of the machine is circulated, the operability when a new soot is additionally charged and discharged outside the machine can be improved.

  However, in Patent Document 2, if the pre-process of the machine other than the hulling machine is not stopped after the automatic stop, the hull is supplied to the supply hopper of the hulling machine, and the shutter of the supply hopper is in the open state. If there is, there is a risk that soot may accumulate in the roll part and become clogged.

  In this regard, in Patent Document 3, if the switch for stopping the motor is turned OFF, the shutter of the soot supply path is immediately closed, and then the motor is automatically stopped after a predetermined time has elapsed.

  However, in this Patent Document 3, when the operation is stopped, the grain from the return straw slot that circulates and conveys the grain (mainly straw) in the machine may be supplied onto the deflation roll, and the grain is caught between the rolls. There was a risk of falling.

Japanese Patent No. 2904120 Japanese Patent No. 6108515 Japanese Utility Model Publication No. 60-132843

  In view of the above problems, the present invention shuts off the supply of the soot supplied from the previous process of the rice hull sorter at the time of operation stop, and accumulates the roll gap by the accumulation of soot on the release roll by the return soot circulating in the machine. It is a technical problem to provide a hulling sorter that does not clog.

In order to solve the above problems, the present invention
A rice huller for boiling raw rice koji, a mixed rice tank for storing mixed rice after rice hulling and wind selection, and a rocking sorting unit for separating and sorting the mixed rice from the mixed rice tank into koji and brown rice And a circulation / discharge switching valve for switching whether the unpolished rice selected by the swing sorting unit is discharged outside the machine or circulated in the machine, and the switching operation of the circulation / discharge of the circulation / discharge switching valve is operated according to the position of the lever. In a rice hull sorter provided with an operation lever and a mixed rice tank storage amount detection sensor for detecting that the mixed rice in the mixed rice tank is less than a predetermined amount,
After the start of the hulling operation, the circulation / discharge switching valve is switched from the in-machine circulation side to the out-of-machine discharge side in conjunction with the lever position when the operator operates the operation lever. When the rice tank storage amount detection sensor detects that the amount is less than the predetermined amount, the circulating discharge switching valve is automatically switched from the external discharge side to the internal circulation side without the operator operating the operation lever. Provided a control unit that shifts to circulation processing
The controller does not instruct any of the transition to the residual rice discharging process, the transition to the stop process of the hulling operation, or the shift to the continuation process of the hulling operation during the circulation process. It has an automatic stop mode that automatically stops the driving source of the hulling sorter when time has elapsed,
Technical measures were taken.

In the invention according to claim 2, the automatic stop mode is a first operation for greatly expanding the detaching roll gap so that the culm sorted by the swing sorting part is returned to the pallet part and is not crushed. The procedure, the second procedure for closing the straw shutter valve provided at the bottom of the raw material hopper of the hulling part so that the raw material hull supplied from the previous process is not hulled, and the peeling roll gap of the hulling part is predetermined. And a third procedure for stopping the drive source of the hulling sorter when it is greatly expanded to a value.

  The invention according to claim 3 includes a fourth procedure in which the automatic stop mode performs an operation of greatly expanding the release roll gap after the third procedure of stopping the driving source of the hull sorter. It is characterized by being.

  According to the present invention, the control unit performs any of the transition to the residual rice discharging process by the worker, the transition to the halt process of the hulling operation, or the transition to the continuous process of the hulling operation during the circulation process. An automatic stop mode is provided to automatically stop the drive source of the rice hull sorter when a predetermined time has passed without being instructed. It is prevented that the quality is deteriorated, such as rice. It also contributes to energy saving to reduce wasteful power consumption.

  According to a second aspect of the present invention, as the automatic stop mode, there is performed an operation of greatly expanding the detaching roll gap so that the culm selected by the swinging sizing part is returned to the pallet part and is not crushed. A first procedure, a second procedure for closing a hull shutter valve provided at the bottom of the raw material hopper of the hulling portion so that the raw material hull supplied from the previous step is not hulled, and a derolling roll gap of the hulling portion And a third procedure for stopping the drive source of the rice hull sorter when it is greatly expanded to a predetermined value, thereby eliminating the risk of causing clogging by causing the grain to be caught between the deflation rolls. Can be automatically and safely shut down. In addition, the next start of the hull sorter becomes easy.

  According to the invention of claim 3, as the automatic stop mode, after the third procedure for stopping the driving source of the hulling sorter, a fourth procedure for performing an operation of widening the release roll gap is performed. It is characterized by having.

  As a result, after the machine motor is stopped, even if the return milling machine is activated by the inertia of the motor and the return meal is supplied onto the deflation roll, the return meal passes through the roll gap and flows down as it is. Therefore, there is no possibility of causing a clogging phenomenon such as being caught in the roll gap.

  In addition, even when the cocoon shutter valve is closed, the grain from the previous process is vigorously supplied through the chute pipe, or the cocoon shutter bites the cocoon shutter valve and the shutter valve is not fully closed. In some cases, the soot may be supplied on the de-rolling roll. Even in that case, by providing the fourth procedure, the soot passes through the roll gap and flows down as it is, so there is no possibility of causing a clogging phenomenon such as being caught in the roll gap.

It is a schematic front view which shows the whole structure of the hulling sorter of this invention. It is a partially broken sectional view same as the above. It is an expanded sectional view of the hulling part same as the above. It is a block diagram of a control part. It is an initial screen displayed on a liquid crystal touch panel. It is a flowchart when performing a hull sorting process. It is the figure which showed the operation screen which changes sequentially according to the operation procedure of the hulling sorting process. It is the figure which showed the operation screen in the case of remaining rice processing. It is a flowchart when performing the process of automatic stop control.

  A mode for carrying out the present invention will be described with reference to the drawings. FIG. 1 is a schematic front view showing the overall configuration of a hull sorter of the present invention, and FIG. 2 is a partially broken sectional view of the same. 1 and 2, reference numeral 1 denotes the entire hulling sorter, and a hulling part 4 for hulling with a raw material hopper 2 for storing hulls as a raw material and a pair of detaching rolls 3a and 3b. A wind selection unit 5 that winds the crushed rice from the rice huller unit 4 to remove rice husks and foreign substances, and a mixed rice cerealing machine that feeds the mixed rice selected by the wind selection unit 5 6, a mixed rice tank 7 for temporarily storing the mixed rice, a swinging sorting unit 8 for separating and sorting the mixed rice into straw and brown rice, and pulverizing the brown rice selected by the shaking sorting unit 8 The main part is constituted by the brown rice masher 9 to be taken out.

  In the above-described rice hull sorter 1, the operation of switching the opening / closing of the hull shutter valve 10 (see FIG. 3) provided at the bottom of the raw material hopper 2 and the swing clutch (not shown) of the swing sorter 8 are shown. 1) and the switching operation of circulation / discharge of the circulation / discharge switching valve 11 (see FIG. 1) of the rocking selection unit 8 are determined by the position of the lever. There is provided an operation lever 12 that can be operated in conjunction with each other.

  A large-sized (7 inch) serving as a display means for selecting the execution of various operation operations of the hull sorter 1 by touching an icon or button on the screen at the center of the front surface of the hull sorter 1. A control unit 14 including a liquid crystal touch panel 13, a power supply unit such as a power switch and a mobile battery, and an interface that can be connected by a serial bus standard such as USB is disposed (see FIG. 2).

  A vibrating conveyor 15 is provided below the unrolling rolls 3a and 3b (see FIGS. 1, 2, and 3). The vibrating conveyor 15 is opened inside to form a discharge port 16, and is supported so as to vibrate. To do. And the said wind selection part 5 is provided facing the discharge port 16 of the vibration conveyor 15. FIG. The shape of the wind selection portion 5 is a shape bent in a “<” shape toward the lower side with the suction opening portion of the upper suction dust exhaust fan 18 as a top, and the “<” shape air path 17. The discharge port 16 of the vibration conveyor 15 is made to face the lower part. As a result, the height of the wind selector 5 can be kept low, and the entire hull sorter 1 can be downsized. Below the discharge port 16, an inclined bottom plate 20, part of which is formed in the porous portion 19, is disposed, and a bottom portion that is connected to the inclined bottom plate 20 serves as a mixed rice tray 21. A mixed rice screw 22 is horizontally mounted in the mixed rice tray 21 in the front-rear direction. On the other hand, above the mixed rice screw 22 is provided an immature screw 23 for collecting immature rice obtained by wind selection in the air passage.

  The other end of the mixed rice screw 22 is connected to the lower part of the mixed rice masher 6. This mixed rice cerealing machine 6 is composed of an endless bucket elevator or the like. A mixed rice tank 7 is connected to the top of the mixed rice cerealing machine 6 and communicated to the swing sorting unit 8 through a shutter 24 and a leveler 25.

  The swing sorting unit 8 includes a plurality of swing sort plates 26 that are tilted in a swing direction (left and right direction in FIG. 1) and a discharge side direction (front direction in FIG. 1) in a plurality of stages. 27 (see FIG. 2) is provided so as to be swingable integrally. In the discharge side direction, the brown rice partition plate 28 is movably provided on the upper side in the swing direction, and the straw partition plate 29 is provided on the lower side in the swing direction. On the other hand, the mixed rice tank 7 is allowed to face the supply side. Below the cocoon partition plate 29, a cocoon receiving hopper 30 is provided, and a return masher 31 for communicating between the cocoon receiving hopper 30 and the raw material hopper 2 is provided.

  The return milling machine 31 is composed of a casing 31a in which an impeller is installed, and a milling tube 31b (see FIG. 1). And the cereal end part (upper part) of the cereal tube 31b is connected to the return candy receiving bowl 32 (refer FIG. 3) which receives a return ridge. The return rod receiving bar 32 is provided alongside the raw material hopper 2 via the partition wall 2a, and a path for supplying the raw material cake to the hulling portion 4 and a path for supplying the return hull to the hulling portion 4 are distinguished. Yes. That is, the discharge port 32a of the return rod receiving rod 32 communicates with the lower return rod lowering rod 33, and the return rod can be supplied onto the pair of detaching rolls 3a and 3b via the return rod lowering rod 33. It has a configuration.

  As shown in FIG. 3, a soot shutter valve 10 provided on the bottom of the raw material hopper 2 is connected to a soot shutter valve control motor 34 for controlling the opening and closing of the valve. The opening / closing of the eaves shutter valve 10 can also be controlled by the signal. Further, a manual roll gap adjusting means 35 capable of manually adjusting the roll gap is provided on one side of the pair of detaching rolls 3a and 3b, and an electrical signal is provided on the other side of the pair of detaching rolls 3a and 3b. Is provided with a roll gap adjusting motor 36 that can be automatically adjusted to adjust the roll gap arbitrarily.

The rocking selection unit 8 (see FIGS. 1 and 2) will be described again. A mixed rice receiving plate 37 is provided below the brown rice partition plate 28, and a brown rice discharge port 38 is opened above the inclined side of the mixed rice receiving plate 37, and the circulation / discharge switching valve 11 is provided in the opening 38. Installing.
The circulation / discharge switching valve 11 is connected to a circulation / discharge switching valve control motor 39 for controlling the opening / closing of the valve, and the opening / closing of the switching valve 11 can be controlled by an electric signal.
The operation lever 12 is provided with a limit switch that outputs an on / off signal according to the position of the operation lever 12, and controls the circulation / discharge switching valve control motor 39 in conjunction with the on / off signal of the limit switch. In addition, the circulation / discharge switching valve 11 may be configured to be switched between open and closed. Similarly, the opening / closing of the straw shutter valve 10 provided at the bottom of the raw material hopper 2 can be switched in conjunction with the on / off signal of the limit switch.

  A brown rice hopper 40 is provided between the brown rice discharge port 38 and the brown rice masher 9, and the outlet of the brown rice hopper 40 is connected to the lower part of the brown rice masher 9. In addition, a net-like air intake 41 and a shelf plate 42 for guiding the brown rice downward in a zigzag manner are provided at the upper part of the brown rice cerealing machine 9 for wind-selecting the crushed brown rice. Thus, the brown rice that has been wind-cleaned and cleaned is discharged from the refined product outlet 43.

  Next, the detailed structure of the control unit 14 will be described with reference to FIG. Lever 0 position detection limit switch 44 for detecting that the operation lever 12 is in the “lever 0 position (籾 shutter valve closed, swing clutch stop, circulation discharge valve circulation)”, and the operation lever 12 is “lever 2 position”. Detects that the gap between the lever 2 position detection limit switch 45 and the release rolls 3a and 3b is open. A roll gap fully open detection limit switch 46 for performing the above operation and a mixed rice tank storage amount detection limit switch 47 for detecting the absence of the storage amount of the mixed rice tank are input to the CPU 48 of the control unit via an input circuit. . The CPU 48 includes an operation procedure display means 48a for displaying an image on the display means (the liquid crystal touch panel 13) so as to change the operation image according to the operation procedure of the processing and notify the operator.

  Further, the CPU 48 is connected to the main machine motor 49, the detaching roll gap adjusting motor 36, the circulation / discharge switching valve control motor 39, the eaves shutter valve control motor 34, and the warning buzzer 50 via an output circuit. ing. A speaker that informs the operator by voice may be connected instead of the warning buzzer. As the storage unit 51 provided on the control unit 14 side, a RAM (Random Access Memory) 52 and a flash memory 53 in which an OS and applications are stored are arranged. Further, a calendar timer IC (integrated circuit) 54 is also connected.

FIG. 5 is a diagram showing a configuration example of the operating device of the present invention.
As shown in FIG. 5, the operating device of the present invention is installed in the center of the front surface of the hulling sorter 1, and the hulling unit 4, the wind sorting unit 5, and the swing sorting unit 8 of the hulling sorter 1. The main part is composed of a control part 14 that controls each part and a large (7 inch) liquid crystal touch panel 13 that can select execution of various driving operations of the hull sorter 1 by touching icons and buttons on the screen. Is done.

Hereinafter, the processing procedure of the operating device having the above configuration will be described with reference to FIGS. 5, 6, and 7. FIG. 5 shows an initial screen displayed on the liquid crystal touch panel 13 after the power of the hulling sorter 1 is turned on.
FIG. 5 shows a rice hull sorting button 60 capable of selecting a rice hull sorting processing function for obtaining brown rice from the rice bran, a barley fine selection button 61 capable of selecting a wheat selection processing function, and the rice hulls. A pre-operation preparation button 62 for instructing the operator a pre-operation preparation operation before the sorting process, a pre-operation preparation button 63 for instructing the operator a pre-operation preparation operation before the wheat screening process, and a derolling roll Detach roll replacement buttons 64 for instructing replacement work of 3a and 3b are provided. When the buttons 60 to 64 are pressed with the fingertip 100 from the initial screen 59, each button is turned on, a signal is transmitted to the control unit 14 via the touch panel I / F circuit, and each process is activated. Become.

  FIG. 6 is a flowchart when the hull sorting process is executed, and FIG. 7 is a diagram showing an operation screen that sequentially changes according to the operation procedure of the hull sorting process. When the initial screen is displayed in FIG. 7A, it is determined whether or not the hull sorting button 60 is pressed by the fingertip 100 (step 101 in FIG. 6). 7) is displayed (step 102 in FIG. 6), and after several tens of seconds have elapsed, or the “Next” button in FIG. 7B is pressed, the screen shown in FIG. A screen for instructing motor start in (C) is displayed (step 103 in FIG. 6). At this time, if it is a skilled worker, it is possible to omit the process of instructing the sticking operation of the kite to the kite hopper 2 of FIG.

  When the screen for instructing motor start in FIG. 7C is displayed (step 103 in FIG. 6), it is determined whether or not the motor start button 65 is pressed by the fingertip 100 (step 103 in FIG. 6). When the button is pressed, a screen for adjusting the roll gap shown in FIG. 6D is displayed (step 104 in FIG. 6), and when the button is not pressed, the process returns to the initial screen 59.

  After the motor is started, the operation images are sequentially changed on the liquid crystal touch panel 13 in accordance with the operation procedure of the process. That is, in the initial roll gap adjustment processing in step 104 in FIG. 6, the image in FIG. 7D is displayed, and then “moving the operation lever 12 from the 0 position to the 1 position” in step 105 in FIG. 7E is displayed, and the process of displaying “mixed rice is circulating” in step 106 in FIG. 6 is performed in FIG. 7F. An image is displayed, and the image changes following the operation procedure of the process. In particular, in the image of FIG. 7 (F), as the mixed rice circulates in the machine, the arrow symbol is displayed in a blinking manner, which is easy to understand for the operator.

  When the mixed rice is stored in the mixed rice tank 7, the ON signal of the mixed rice tank storage amount detection limit switch 47 is switched to the OFF signal, and the CPU 48 moves the operation lever 12 to the lever 2 position (籾 shutter opening, shaking). A signal is output so as to instruct the dynamic clutch swing-in and circulation discharge valve discharge (step 107 in FIG. 6). At this time, the liquid crystal touch panel 13 displays the image of FIG. 7G and instructs the operator to “operate the operation lever 12 to the lever 2 position”. As a result, brown rice can be discharged out of the machine, and the fact that it is being discharged is displayed on the liquid crystal touch panel 13 (step 108 in FIG. 6, (H) in FIG. 7). Also at this time, as the brown rice is discharged out of the machine, the arrow symbol is displayed blinking, which is easy to understand for the operator.

  Next, the finishing process of the hull sorting operation will be described. When the amount of the soot to be fed into the raw material hopper 2 decreases, the storage amount of the mixed rice tank 7 also decreases, so the presence or absence of the storage amount is determined by the mixed rice tank storage amount detection limit switch 47 (FIG. 6). Step 109). Then, when the OFF signal of the mixed rice tank storage amount detection limit switch 47 is switched to the ON signal and it is determined that the storage amount of the mixed rice tank 7 is small, the process proceeds to in-machine circulation (step 110 in FIG. 6). That is, the residual rice treatment means that the circulation / discharge switching valve 11 is once returned (switched) from the outside discharge side to the in-machine circulation side to remove almost all the soot retained in the machine, and then the circulation / discharge switching valve. 11 is switched from the in-machine circulation side to the out-of-machine discharge side to perform brown rice discharge processing, and the residual rice is discharged.

  In the residual rice processing, the screens (I) to (K) in FIG. First, when the OFF signal of the mixed rice tank storage amount detection limit switch 47 is switched to the ON signal and the control unit 14 determines that the storage amount of the mixed rice tank 7 is small, the circulation discharge switching valve control motor 39 is energized to circulate and discharge. Control for switching the switching valve 11 from the outside discharge side to the inside circulation side is performed. This control is a control in which the operator automatically switches without operating the operating lever 12 from the lever 2 position to the lever 1 position manually. At this time, the diagram (I) of FIG. In (I) of FIG. 8, the left edge of the screen is selected so that the operator can select whether to stop the hulling operation, process the residual rice, or continue the hulling operation. A stop button 66, a residual rice processing button 67 at the center of the screen, and a rice cake sorting processing continuation button 68 at the right end of the screen, respectively.

  Then, on the screen of FIG. 8I, for example, when 5 minutes have elapsed without the operator selecting any of the stop button 66, the residual rice processing button 67, or the hulling sorting processing continuation button 68 Controls to stop the motor automatically. This automatic motor stop control means that if the mixed rice is repeatedly circulated in the machine, the rice will pass many times between the derolling rolls 3a and 3b, and the quality will be deteriorated, such as the occurrence of skin misalignment rice. This is a safety control to prevent this. It also contributes to energy saving to reduce wasteful power consumption.

Furthermore, this automatic stop control procedure will be described in detail.
During the hulling operation, the grain from the return hulling mill 31 is always supplied to the unrolling rolls 3a and 3b via the return hull receiving hanger 32, the return heddle lower hull 33 and the supply port 90, and other than the hulling machine Grains from the previous process of this machine are always supplied onto the de-rolling rolls 3a and 3b through the raw material hopper 2, the straw shutter valve 10 and the supply port 90. For this reason, when performing automatic stop control, the next start of the rice hull sorter 1 is required unless the grain is caught between the detaching rolls 3a and 3b to stop the clogging phenomenon. It becomes difficult.

Therefore, in this embodiment, automatic stop control is performed based on the flowchart of FIG.
That is, in FIG. 9, first, in step 201, a timer is started. For example, it is timed whether or not five minutes have passed without the operator selecting any button on the screen of FIG. If five minutes have elapsed, it is considered that the automatic stop mode is set, and the routine proceeds to step 202, where a buzzer indicating that the automatic stop starts is turned on. On the other hand, if 5 minutes have not elapsed in step 201, the routine proceeds to step 203 in order to determine again whether the automatic stop condition is satisfied. If the automatic stop condition is satisfied, the process returns to step 201, and if the automatic stop condition is not satisfied, the normal operation state is reached.

  Next, at step 204, as a first procedure of the automatic stop control, the roll gap adjusting motor 36 is operated to control to widen the gap between the detaching rolls 3a and 3b. That is, as shown in FIG. 3, the cocoon that has been cerealed by the masher 31 for return mash is supplied onto the deflation rolls 3 a and 3 b via the return mash receiving tub 32, the returned mash downstream mash 33, and the supply port 90. However, the gap is widened so as to pass under the detaching rolls 3a and 3b so as not to cause the clogging phenomenon (see FIG. 3). If the detaching roll 3a is a moving roll, the detaching roll 3a is moved in the direction of the arrow indicated by symbol H).

  Thereafter, the routine proceeds to step 205, where the second shutter valve control motor 34 is operated to close the second shutter valve 10 as the second procedure of the automatic stop control. That is, regardless of the operation of the operation lever 12, the straw shutter valve 10 is automatically closed, and the supply port 90 is closed so that the grain from the previous process of the machine other than the hulling machine is not supplied to the detaching rolls 3a and 3b. To do.

  In step 206, it is determined whether or not the opening signal to the roll gap adjusting motor 36 has been turned ON for a predetermined time (for example, 10 seconds). If it has not continued for a predetermined time, it is determined in step 207 whether or not the roll gap fully open detection limit switch 46 has been turned ON. If it continues for the predetermined time or the limit switch 46 is turned on, it is determined that the roll gap is widened, and the next step 208 is reached.

  In step 208, as a third procedure, OFF control of the machine motor 49 is performed. Thereby, since the roll gap | interval of the removal rolls 3a and 3b is expanded greatly, the clogging phenomenon by a return flaw does not arise.

  Even after the OFF control of the machine motor 49 in step 208 is performed, the return milling machine 31 may operate due to the inertia of the motor. For this reason, after performing OFF control of this machine motor 49, the adjustment which expands a roll gap | interval is performed continuously as a 4th procedure. As a result, even if the return milling machine 31 is activated by the inertia of the motor and the return mill is supplied onto the deflation rolls 3a and 3b after the motor is stopped, the return mill passes through the roll gap and becomes clogged. There is no risk of it occurring.

  Even when the straw shutter valve 10 is in the closed state, the grain from the previous process is vigorously supplied through the chute pipe, or the straw is caught between the straw shutter valve 10 and the bottom of the raw material hopper 2. There is a case where soot is supplied on the detaching rolls 3a and 3b because the shutter valve 10 is not completely closed. Even in that case, by providing the fourth procedure, the soot passes through the roll gap and flows down as it is, so there is no possibility of causing a clogging phenomenon such as being caught in the roll gap.

  In step 209, it is determined whether or not the machine motor 49 has been turned OFF for a predetermined time (for example, 5 seconds), and it is determined whether or not the open signal to the roll gap adjustment motor 36 has been ON for a predetermined time. The If it has not continued for a predetermined time, it is determined whether or not the roll gap fully open detection limit switch 46 has been turned on at step 210. If it continues for the predetermined time or the limit switch 46 is turned on, it is determined that the roll gap as the fourth procedure has been widened, and the next step 210 is reached.

  In step 210, the opening signal of the roll gap adjustment motor 36 is controlled to be OFF, the roll gap opening control is finished, and then the automatic stop process is also finished.

  The above-described roll gap opening and opening control and the closing control of the straw shutter valve 10 eliminate the possibility of causing a grain phenomenon between the rolls 3a and 3b and causing a clogging phenomenon. The machine 1 can be easily started.

Next, the manual stop process will be described with reference to FIG. 8 again.
In the case of executing the residual rice processing on the screen of FIG. 7I, the operator presses the residual rice processing button 67 like the fingertip 100. Thus, the screen is switched to the screen shown in FIG. 8 (J), and the glutinous rice being circulated in the machine passes through the return milling machine 31, the return basket receiving bar 32, the return bar flow lower barb 33, and the supply port 90. 4 and after several tens of seconds to several minutes, all of the glutinous rice is crushed into brown rice. As shown in FIG. 8 (J), when the operator visually confirms that all the rice on the rocking sorting plate 26 has been evacuated to the brown rice, the discharge process is executed, and the operator 100, the brown rice discharge button 69 is pressed ((J) in FIG. 8). Thereby, the circulation discharge switching valve 11 is switched to the discharge side outside the apparatus. Further, in the screen of FIG. 8 (K), an arrow symbol blinks to indicate that residual rice is being discharged, and a stop button when the residual rice has been discharged is displayed at the left end of the display screen. 70 is also arranged. Further, the brown rice discharge button 69 shown in (J) of FIG. 8 may not be provided, and the circulation discharge switching valve 11 may be controlled to automatically switch to the outside discharge side after a predetermined time has elapsed.

  When the residual rice processing is executed, when the amount of mixed rice in the mixed rice tank 7 decreases, the circulation discharge switching valve 11 is automatically discharged outside the apparatus without operating the operation lever 12 by the operator. Since the process shifts from the side to the in-machine circulation side and shifts to the residual rice discharge process, even a beginner can correctly execute the residual rice process without missing the start timing of the residual rice process.

  In FIG. 8K, when the operator presses the stop button 70 with the fingertip 100, the image of FIG. 8L is displayed on the liquid crystal touch panel 13, and the operation lever 12 is moved to the lever 0 position to the operator. Instruct to operate. Then, the screen shifts to the image of (M) in FIG. 8. In this image, since the motor stop button 71 is arranged, when the operator presses the motor stop button 71 with the fingertip 100, the motor is stopped, and finally Instructed to turn off the main power in the image of FIG.

  As described above, as an automatic stop mode in which the main motor 49 of the hull sorter 1 is automatically stopped, the hull sorted by the swing sorting unit 8 is returned to the hulling unit 4 so as not to be hulled. Close the first shutter valve 10 provided at the bottom of the raw material hopper 2 of the hulling portion 4 so that the raw material hull supplied from the previous process is not hulled so as to greatly widen the gap between the rolls 3a and 3b. And a third procedure for stopping the machine motor 4 of the hulling sorter 1 when the gap between the release rolls 3a, 3b of the hulling portion 4 is greatly expanded to a predetermined value. Since it is provided, there is no possibility of causing the clogging phenomenon due to the grain being caught between the deflation rolls, and the operation can be automatically and safely stopped. In addition, the next start of the hull sorter becomes easy.

  The present invention can be applied to a grain preparation machine such as a hull sorter.

DESCRIPTION OF SYMBOLS 1 Rice hull sorter 2 Raw material hopper 3 Release roll 4 Rice hull part 5 Wind selection part 6 Mixed rice cerealing machine 7 Mixed rice tank 8 Oscillating sorting part 9 Brown rice cerealing machine 10 籾 Shutter valve 11 Circulation discharge switching valve 12 Operation lever 13 Liquid crystal touch panel 14 Control unit 15 Vibrating conveyor 16 Discharge port 17 Air passage 18 Suction dust exhaust fan 19 Porous part 20 Inclined bottom plate 21 Mixed rice receiver 22 Mixed rice screw 23 Premature screw 24 Shutter 25 Equalizer 26 Shaking Dynamic sorting plate 27 Oscillating mechanism 28 Brown rice partition plate 29 籾 partition plate 30 籾 receiving hopper 31 return masher 32 return 籾 receiving 樋 33 returning 籾 down flow 樋 34 籾 shutter valve control motor 35 manual roll gap adjusting means 36 roll Gap adjustment motor 37 Mixed rice receiver 38 Brown rice discharge port 39 Circulation discharge switching valve control motor 40 Brown rice hopper 41 Air intake 42 Shelf plate 43 Fine product discharge port 44 Over 0 position detecting limit switch 45 lever 2 position detecting limit switch 46 nip full open detection limit switch 47 mixed US tank storage amount detection limit switch 48 CPU
49 This machine motor 50 Warning buzzer 51 Storage part 52 RAM
53 Flash memory 54 Calendar timer IC (integrated circuit)
59 Initial screen 60 Rice hull sorting button 61 Wheat selection button 62 Pre-operation preparation button 63 Pre-operation preparation button 64 De-roll roll replacement button 65 Motor start button 66 Stop button 67 Residual rice processing button 68 Rice hull sorting processing continuation button 69 Brown rice discharge Button 70 Stop button 71 Motor stop button 90 Supply port 91 Retraction roll

Claims (3)

A rice huller for boiling raw rice koji, a mixed rice tank for storing mixed rice after rice hulling and wind selection, and a rocking sorting unit for separating and sorting the mixed rice from the mixed rice tank into koji and brown rice And a circulation / discharge switching valve for switching whether the unpolished rice selected by the swing sorting unit is discharged outside the machine or circulated in the machine, and the switching operation of the circulation / discharge of the circulation / discharge switching valve is operated according to the position of the lever. In a rice hull sorter provided with an operation lever and a mixed rice tank storage amount detection sensor for detecting that the mixed rice in the mixed rice tank is less than a predetermined amount,
After the start of the hulling operation, the circulation / discharge switching valve is switched from the in-machine circulation side to the out-of-machine discharge side in conjunction with the lever position when the operator operates the operation lever. When the rice tank storage amount detection sensor detects that the amount is less than the predetermined amount, the circulating discharge switching valve is automatically switched from the external discharge side to the internal circulation side without the operator operating the operation lever. Provided a control unit that shifts to circulation processing
The controller does not instruct any of the transition to the residual rice discharging process, the transition to the stop process of the hulling operation, or the shift to the continuation process of the hulling operation during the circulation process. A pallet sorter comprising an automatic stop mode for automatically stopping a drive source of the pallet sorter when time has elapsed.   The automatic stop mode is supplied from the first step and the previous step of performing an operation of widening the detachment roll gap so that the culm sorted by the swing sorting part is returned to the pallet part and is not crushed. The second step of closing the straw shutter valve provided at the bottom of the raw material hopper of the hulling portion so that the raw hull is not hulled, and when the release roll gap of the hulling portion is greatly expanded to a predetermined value And a third procedure for stopping the driving source of the hull sorter. The automatic stop mode includes a fourth procedure for performing an operation of greatly expanding the detaching roll gap after the third procedure for stopping the drive source of the hulling sorter. The hull sorter according to 2.