JP6467833B2 - Hulling sorter - Google Patents

Description

  The present invention relates to an operation configuration of a rice hull sorter equipped with an impeller type hulling device and a swing sorting plate type mixed rice sorting unit.

  The mixed rice containing rice bran and brown rice crushed by the impeller is supplied to a swing sorting plate consisting of a plurality of stages according to the opening degree of the valve for adjusting the supply amount of the mixed rice at the outlet of the mixed rice tank. In a configuration in which rice bran and brown rice in the mixed rice are sorted according to the setting position of the brown rice partition plate, the brown rice is taken out of the machine, and the rice bran is returned to the hulling portion according to the installation position of the rice bran partition plate. Moving the brown rice partition plate to the upper side increases the amount of brown rice that is returned to the hulled part with the impeller and increases the amount of brown rice that is returned to the impeller, but by reducing the rotation speed of the impeller, the brown rice skin slip and germ part What reduces damage is known (Patent Document 1).

  In addition, when the operating lever is operated to the initial operating position, the gripping portion of the operating lever is positioned on the side of the hulling portion, and when the operating lever is operated to the finished rice discharge position, the gripping portion of the operating lever is swung. An operation panel is provided so as to be located on the side of the sorting plate type mixed rice sorting unit, and on the front side of the sliding rice wind sorting unit below the operation lever. A rice hull sorter provided with a display device for displaying the operation direction is known (Patent Document 2).

JP 2010-227909 A JP 2014-33989 A

  The present invention relates to a rice hull sorter equipped with an impeller-type hulling device, which optimizes the number of revolutions of the impeller-type hulling device in accordance with the switching between the normal rice hull sorting operation and the remaining rice processing rice hull sorting operation. It is intended to prevent grain damage.

In order to solve the above problems, the present invention has taken the following technical means.
The invention of claim 1
In a rice hull sorter equipped with an impeller-type hulling portion 1, a sliding rice-style wind sorting portion 2, and a swing sorting plate-type mixed rice sorting portion 3, the rotational speed of the impeller 7d of the impeller-type hulling device 7 is set. Impeller rotation speed adjusting motor M3 to be adjusted, mixed rice tank 24 for temporarily storing the crushed rice to be supplied to the mixed rice sorting unit 3, and the sorted brown rice of the mixed rice sorting unit 3 on the in-machine circulation side or the out-of-machine discharge side A circulation / discharge switching valve 36 and a controller 60 ,
At the start of hulling, the rotational speed of the impeller 7d is increased from the standard, and after the mixed rice tank 24 detects the mixed rice quantity exceeding the set amount, the rotational speed of the impeller 7d is reduced to the standard rotational speed and is circulated. / Switch the discharge switching valve 36 from internal circulation to external discharge, move to the discharge hull sorting process,
When the amount of grain in the mixed rice tank 24 falls below a set amount in the discharge paddy sorting process in which the circulation / discharge switching valve 36 is switched to the discharge side, the circulation / discharge switching valve 36 is switched from the discharge side to the circulation side. The remaining rice processing rice hull sorting step , and the impeller rotation speed adjustment motor M3 is adjusted to decrease the rotation speed so that the impeller 7d rotates at a lower speed than the standard rotation speed .
After the transition from the discharged rice husk sorting process to the remaining rice processing rice husk sorting process, when it is detected that a new rice bran hopper 6 has been supplied, the rotational speed of the impeller 7d is maintained while maintaining the in-machine circulation state. To the standard hulling speed,
Thereafter, when the mixed rice tank 24 detects a mixed rice amount that is equal to or greater than the set amount, the circulation / discharge switching valve 36 is switched from the in-machine circulation to the out-of-machine discharge, and the process shifts to the discharge hull sorting process.
The hulling time is counted by the timer function of the controller 60. When the hulling time reaches a preset lining replacement setting time, the rotation speed of the impeller 7d is minimized based on the replacement notification command of the controller (60). It is set as the hulling sorter characterized by adjusting to rotation speed .

The invention of claim 2
In the invention of claim 1, there is provided a feed mode setting switch SW5 for selecting a hull for feed straw, and when the feed mode setting switch SW5 is turned on, the impeller rotation speed adjustment motor M3 is adjusted to a high speed rotation speed. The rotational speed of the impeller 7d of the impeller hulling device 7 is adjusted at high speed, and the circulation / discharge switching valve 36 is switched from the circulation side to the discharge side before a predetermined amount of grains accumulates in the mixed rice tank 24, thereby It is set as the hulling sorter characterized by setting it as the structure which transfers to a sliding sorting process .

  According to the invention of claim 1, the impeller of the impeller hulling device 7 is shifted from the discharged hulling sorting process to the remaining rice processing hulling sorting process in the circulating hull sorting state based on the characteristic configuration of the claims. By reducing and adjusting the rotational speed of 7d, the quality of the brown rice can be improved by suppressing the skin shift of the brown rice and the damage of the germ part.

Further, if additional rice cake hopper 6 is supplied to the rice hopper 6 during the remaining rice processing rice hull sorting process, the rotation speed of the impeller 7d of the impeller rice huller 7 is changed from a low speed to a normal rice cake while maintaining the circulation rice cake sorting operation state. By automatically raising and adjusting the rotation of the slide, it is possible to return to the normal normal hulling operation, and the smooth and efficient hulling sorting operation can be performed.

Further , in addition to the above-described effect of the invention of claim 2, when new rice cake is additionally supplied during the remaining rice processing rice hull sorting process based on the characteristic configuration of the claims, the impeller rice hull device 7 The impeller 7d is switched from a low-speed rotation to a high-speed rotation of the normal rice hull rotation to perform the hulling work, and the hulling rice grain ratio of the impeller hulling device 7 can be increased and the mixing of the hull into the finished brown rice can be prevented.

Further, the hulling time is counted by the timer function of the controller 60, and when the hulling time reaches a preset lining replacement setting time, the rotation speed of the impeller 7d is determined based on the replacement notification command of the controller (60). The impeller 7d can be prevented from being damaged by adjusting to the minimum rotational speed .

According to the invention of claim 2, in addition to the above-mentioned effect of the invention of claim 1, in the feed rice hull mode, the crushing of the rice hull portion of the feed rice cake is promoted while increasing the efficiency of the rice hulling operation , and the feed rice cake good for digestion of livestock is obtained. Can be manufactured.

The cutting | disconnection side view of the whole impeller type hulling sorter. The cutting top view which shows the transmission structure of a hulling sorter. The perspective view of a mixed rice tank, a straw shutter valve, and an operation lever part. The perspective view of a hulling sorter. The front view of an operation lever. Control block diagram. The rear view of an impeller type hulling apparatus. flowchart. flowchart.

Hereinafter, the present invention will be described based on embodiments shown in the drawings.
First, based on FIG. 1, the whole structure of the rice hull sorter provided with the impeller type hulling portion 1 and the swing sorting plate type mixed rice sorting portion 3 for carrying out the present invention will be described.

  The rice hull sorter is arranged on the right side of the airframe, with an impeller-type hulling portion 1 arranged at the upper left part of the machine body, a sliding rice wind sorting part 2 arranged at the left and right center part. The swaying sorting plate type mixed rice sorting unit 3, the mixed rice cerealing machine 4 for pulverizing the screened rice from the mixed rice sorting unit 3 to the mixed rice sorting unit 3, and the finished brown rice of the mixed rice sorting unit 3 The brown rice cerealing machine 5 to be taken out of the machine, and the mashing machine 27 that returns the sorted rice cake of the mixed rice sorting unit 3 to the impeller-type rice huller unit 1 and the like.

  The impeller-type hulling portion 1 includes a hull hopper 6 and an impeller-type hulling device 7. The impeller-type hulling device 7 includes a hull-feeding cylinder 7a, a hulling shaft 7c that is pivoted on a hulling case 7b, an impeller 7d that is attached to the hulling shaft 7c, and a hulled rice diffusion chamber 7e. 7f and the like.

  A haze shutter valve 31 is provided at a lower portion of the hail hopper 31, and the haze supplied to the hail hopper 6 flows down to the hail supply cylinder 7a when the haze shutter valve 31 is opened, and the center of the impeller 7d in the hull case 7b. Is fed to the rotating impeller 7d and flows toward the outer periphery of the impeller 7d by centrifugal force, collides with the lining (not shown) of the hulling case 7b and is hulled, and the sliding rice supply cylinder 7f Is moved to the sliding rice diffusion chamber 7e and supplied to the sorting start end side at the bottom of the sliding rice wind selection unit 2.

  The sliding rice wind selection unit 2 is disposed along the vertical direction in the sliding rice wind selection box 9, and the middle part is bent to the right. The crushed rice sorting air passage 10, the eaves receiving plate 11 provided below the bent portion of the middle portion of the crushed rice sorting air passage 10, and the lower start end side of the crushed rice sorting air passage 10. The sliding rice receptacle 12 includes a suction fan 13 disposed on the upper end side of the sliding rice sorting air passage 10, a dust discharge cylinder 14, and the like.

Next, the oscillating sorting type mixed rice sorting unit 3 will be described.
The multistage oscillating sorting plates 15 are formed with irregularities for sorting on the plate surface, with one side in the vertical direction being a high supply side and the other side being a low discharge side, and a horizontal direction perpendicular to the vertical direction. The rocking sorting plate 15 is inclined in both the vertical and horizontal directions, with one side being a high rocking side and the other side in the horizontal direction being a low rocking side, and the rocking sorting plates 15,. It is configured to swing back and forth diagonally up and down in the direction.

  A mixed rice tank 24 is disposed above the swing sorting plates 15,..., And the crushed rice collected and wind-collected in the crushed rice receiver 12 is pulverized and mixed by the mixed rice cereal machine 4. It is supplied to the rice tank 24 and then supplied to the swing sorting plates 15 through the distribution supply basket 16 and the distribution case 17.

On the discharge side portion of the swaying side wall of the oscillating sorting plate 15,..., A cocoon discharge port is cut out, and the sieving slag is taken out to the swaying side and passed through the slag reduction channel 29 to the culling machine 27. It is the structure supplied to.
The mixed rice supplied to the oscillating sorting plates 15, ... has a grain size, specific gravity, friction coefficient, etc., so that small brown rice with heavy specific gravity is distributed in a drifting manner on the rocking side and compared with brown rice Thus, large and light specific rice cakes are distributed while drifting to the underside, and mixed rice of rice cake and brown rice that is not separated is distributed in the middle. These selected grains are separated and taken out by the brown rice partition plate 18 and the straw partition plate 19 provided on the discharge side of the swing sorting plate 15.

  The finished brown rice that has been taken out is taken out of the machine via the brown rice take-out trough 20, the brown rice channel 21, and the brown rice cerealing machine 5. The picked and mixed mixed rice is taken out through the mixed rice extraction basket 22 and the mixed rice flow path 23 to the sliding rice receiving tray 12, and further mixed rice milling machine 4, mixed rice tank 24, distribution supply basket 16, Via the distribution case 17, it is supplied again to the oscillating sorter plates 15 and so on and re-sorted.

  Of the sorting soot that has flow-separated to the swaying side of the oscillating sorting plates 15,..., Those that have flowed along the side wall of the swaying side are taken out from the soot discharge port (not shown) to the soot reduction channel 29. . Further, the material that has flowed down from the side wall of the swaying side is taken out from the discharge side end of the swaying sorting plates 15,. The sorted culm taken out in this way is reduced to the impeller-type pestle portion 1 through the culvert channel 26 and the culling machine 27, and crushed again.

In addition, the rice cake sorted into the rice cake receiving box 11 by the sliding rice wind selection unit 2 is sent to the rice milling machine 27 and is reduced to the impeller type rice huller unit 1 together with the sorting rice cake of the mixed rice sorting unit 3. The
Next, the drive configuration of each part of the hull sorter by the main motor M1 will be described based on FIG. 1 and FIG.

  The main motor M1 drives the parts of the hull sorter. A main motor M1 is disposed at the lower rear side of the impeller-type hulling portion 1, power is transmitted from the main motor M1 to the first belt transmission device 46, and a hulling input shaft 1a is formed from the upper left side of the first belt transmission device 46. The hook sliding force is transmitted to the impeller shaft 7c of the impeller-type hulling device 7 via.

  Further, the power is branched from the upper right portion of the first belt transmission device 46 to the second belt transmission device 47 via the intermediate transmission shaft 45, and the power is transmitted from the left side portion to the mixed rice elevator 4 via the pulley. The power is transmitted from the right side to the sliding rice helix 48 via a pulley.

  Further, the power is branched from the right side portion of the first belt transmission device 46 to the third belt transmission device 49 via a pulley, and is transmitted to the second spiral 50 from the left side portion of the third belt transmission device 49. In addition, power is transmitted to the whipping machine 27. The power is branched from the rear side of the second spiral 50 to the fourth belt transmission device 51 via a pulley and transmitted to the fan shaft 13 a of the suction fan 13.

  Further, the power is branched from the right side of the third belt transmission device 49 to the swing drive shaft 52, and the power is transmitted from the swing drive shaft 52 to the swing crankshaft 54 via the fifth belt transmission device 53, Further, it is transmitted to the swing drive device 39 (shown in FIG. 3), and the swing sorting plate 15 is driven. Power is branched from the front side of the swing drive shaft 52 to the sixth belt transmission device 55 via a pulley, and the brown rice cerealing machine 5 is driven.

Next, a related adjustment configuration of the straw shutter valve 31 based on the grain accumulation of the mixed rice tank 24 will be described with reference to FIG.
A haze shutter valve 31 is provided at the lower part of the hail hopper 6 and is pivotally supported so as to rotate around a shaft portion 31 a of the haze shutter valve 31. A shaft portion 32a of the operation lever 32 is rotatably disposed in a state where the shaft centers coincide with each other on the side of the shaft portion 31a of the shutter valve 31, and a flexible connecting means 33 is provided between the shaft portion 31a and the shaft portion 32a. It is configured to be interlocked and connected with a predetermined range of flexibility, and the lever shutter valve 31 is adjusted by the operation lever 32 to rotate.

  That is, the first interchangeable arm 33a is attached to the end of the shaft portion 31a of the shutter valve 31, the second interchangeable arm 33b is attached to the end of the shaft 32a of the operation lever 32, and the first interchangeable arm 33a and the second interchangeable arm 33b. Are interlocked with each other with a predetermined range of flexibility by a long hole and a pin. Thus, when the operation lever 32 is opened / closed around the shaft portion 32a, the eaves shutter valve 31 can be opened / closed with a predetermined range of flexibility via the first interchangeable arm 33a and the second interchangeable arm 33b.

  Further, when the mixed rice tank 24 is suspended and supported by the threshing throwing portion 4a at the upper part of the mixed rice cerealing machine 4 so as to be movable up and down, and when a predetermined amount or more of grains accumulate and become heavy, the mixed rice tank 24 Is moved downward against the spring 34, and when the grain becomes less than a predetermined amount, the spring 34 moves upward.

  A mixed rice tank upper limit sensor SE3 and a mixed rice tank lower limit sensor SE4 are provided on the side of the mixed rice tank 24. When a predetermined amount or more of mixed rice is accumulated in the mixed rice tank 24 and moves downward, the mixed rice tank lower limit sensor SE4 is The mixed rice tank upper limit sensor SE3 is turned on when a predetermined amount or less of mixed rice accumulates in the mixed rice tank 24 and moves upward.

  A mixed rice tank is detected by detecting a load current value of a predetermined amount or more in the mixed rice tank 24 by detecting a load current value of a predetermined value or more by the load current value sensor SE2, and by detecting a load current value of a predetermined value or less. You may make it detect the accumulation of mixed rice below 24 predetermined amounts.

  Further, as shown in FIG. 3, the mixed rice tank 24 and the straw shutter valve 31 are interlocked and connected by a straw shutter valve adjusting means 37 that connects them with a mechanical linkage. The rod shutter valve adjusting means 37 includes, for example, a guide rod 37a whose one end is connected to the mixed rice tank 24, a first fulcrum arm 37b and a first fulcrum arm 37b which are pin-connected to the other end of the guide rod 37a. The interlocking rod 37c is pin-connected to the other end, and the rotating arm 37d is pin-connected to the other end of the interlocking rod 37c, and the arm of the shaft portion 31a of the shutter valve 31 is connected to the other end of the rotating arm 37d. The parts are pin-connected.

  Thus, when a predetermined amount or more of grains are accumulated in the mixed rice tank 24 and moved downward, the straw shutter valve 31 is adjusted to be closed via the guide rod 37a, the first fulcrum arm 37b, the interlocking rod 37c, and the rotating arm 37d. . Further, when the grain amount of the mixed rice tank 24 decreases below a predetermined amount and moves upward, the straw shutter valve 31 is adjusted to open via the guide rod 37a, the first fulcrum arm 37b, the interlocking rod 37c and the rotating arm 37d. Is done. Therefore, it is possible to smoothly perform the rice hull sorting operation while appropriately adjusting the amount of grain in the machine without excess or deficiency.

In addition, it is comprised so that mixed rice may always flow down from the grain flow outlet of the mixed rice tank 24, and it is comprised so that an outflow mixing rice amount may be adjusted with a mixed rice control valve (illustration omitted).
Further, a circulation / discharge switching valve 36 is provided in the sorting brown rice take-out section of the mixed rice sorting section 3, and the finished brown rice is switched to the in-machine circulation side or the out-of-machine take-out side by the forward / reverse rotation drive of the circulation / discharge switching valve control motor M2. I am doing so.

Further, a circulation / discharge switching valve (circulation) sensor SE5 and a circulation / discharge switching valve (discharge) sensor SE6 for detecting the switching state of the circulation / discharge switching valve 36 to the circulation side or the discharge side are provided.
Further, a swing driving device 39 driven by the main motor M1 is provided below the swing sorting plates 15, and a swing clutch arm 39b with a swing clutch pulley 39a is pivotally supported on the frame portion. When the operating lever 32 and the swinging clutch arm 39b are connected by the swinging clutch wire 40b and the operating lever 32 is operated to the work initial position 44a, the transmission belt of the swinging drive device 39 is brought into a loosely cut state, and the pallet When the operation position 44b is operated, the transmission belt is put into a tensioned state.

Next, the operation panel 41 will be described with reference to FIGS.
An operation panel 41 is provided on the upper front side of the sliding rice-style sorting unit 2 in the center of the front of the rice hull sorter. As shown in FIG. 5, an operation guide groove 44 is provided along the left-right direction above the operation panel 41, an initial position 44a is provided on the left side of the operation guide groove 44, and a hull position 44b is provided on the right side. The lever 32 is configured to be reciprocally rotatable left and right around the axial center in the front-rear direction so that it can be operated at any one of the operation positions.

  The operation panel 41 is provided with an operation start switch SW1, an operation stop switch SW2, a wheat sorting switch SW3, a circulation / discharge switching valve switching switch SW4 for switching the circulation / discharge switching valve 36 to the circulation side or the discharge side, and a feed mode switch SW5. ing.

  Further, the operation panel 41 is provided with a main motor abnormality display section (not shown), the load state of the main motor M1 is detected and displayed by the load current sensor SE1, and an operation monitor display section (not shown) is provided to display the operation state. It is trying to display.

  Further, an operation lever position detection sensor (initial position) SE7 for detecting movement of the operation lever 32 to the initial position, and an operation lever position detection sensor (liding position) SE8 for detecting movement of the operation lever 32 to the hull position are provided. Provided.

  An initial operation display unit (not shown) and an initial position lamp La are provided on the left side of the operation monitor display unit (not shown), and a hulling operation display unit (not shown) and a hulling operation lamp Lb are provided on the right side. When the lever 32 is operated to the initial position 44a, the initial position lamp La flashes, and when the operating lever 32 is operated to the hull position 44b, the hulling operation lamp Lb flashes.

  In the vicinity of the initial position lamp La, the operation is described as being stopped, and in the vicinity of the hulling operation lamp Lb, in-machine circulation hulling work, out-of-machine discharging hulling work, remaining rice hulling, depending on the hulling sorting work state. Characters such as work, small-scale hull sorting, and wheat sorting are displayed.

  As shown in FIG. 7, an impeller pulley 57 is attached to the rear portion of the hulling input shaft 1a, and the impeller pulley 57 is constituted by an impeller pulley 57 capable of expanding and contracting, and the first belt transmission device 46 passes through the impeller pulley 57. Thus, power is transmitted to the hulling input shaft 1a.

  The diameter of the impeller pulley 57 is adjusted by the impeller rotation speed adjustment motor M3 and the rotation speed adjustment means 58, and the rotation speed of the impeller 7d is adjusted to increase or decrease. The tension pulley 59 is pressed against the first belt transmission device 46 by a spring 59a so that the belt rotates in a tensioned state even when the impeller pulley 57 is adjusted for expansion / contraction. Further, an impeller rotation speed increase adjustment switch SW6 and an impeller rotation speed decrease adjustment switch SW7 for increasing / decreasing the impeller rotation speed adjustment motor M3 are provided.

  As shown in FIG. 6, the switches and sensors are connected to the input side of the controller 60, and on the output side, the main motor M1, the circulation / discharge switching valve switching motor M2, and the impeller rotational speed adjustment via the driving means. A motor M3 and display lamps La to Ld are connected.

Next, the control content of the controller 60 will be described.
When the operation lever 32 is rotated to the left and is operated to the initial position 44a, the shutter valve 31 of the hopper 6 is closed and the swing clutch pulley 49a is in the idle operation state of the clutch disengaged state. By detecting ON of the detection sensor (initial position) SE7, the circulation / discharge switching valve 36 is switched to the circulation side based on the circulation / discharge switching valve circulation side switching command of the controller 60.

  Further, when the operation lever 32 is rotated to the right and operated to the hull position 44b, the haze shutter valve 31 of the hoop hopper 6 is adjusted to open, the swing clutch pulley 49a is brought into the clutch engagement state, and the hail of the hanger hopper 6 is impeller. It is supplied to the hulling device 7 and becomes a circulating hulling sorting step.

  Next, when a predetermined amount of grains accumulates in the mixed rice tank 24 and the circulation hull sorting operation is stabilized, the circulation / discharge switching valve 36 is changed from the circulation side to the discharge side based on the circulation / discharge switching valve discharge side switching command of the controller 60. The process is switched to the discharge hull sorting process.

  Next, when the grain in the mixed rice tank 24 becomes a predetermined amount or less during the discharged rice hull sorting process, it is determined that the remaining rice hull is sorted, and the circulation / discharge switching valve is determined based on the remaining rice hull sorting operation switching command of the controller 60. 36 is switched from the discharge side to the circulation side, and the rotational speed of the impeller 7d is adjusted to decrease, and the process proceeds to the remaining rice hull sorting process.

  This residual rice hull sorting operation is performed, for example, by setting the circulation / discharge switching valve 36 to the circulation side and circulating the whole amount of residual grains a plurality of times over a predetermined time while recirculating in the machine to convert the residual grains to the whole brown rice, and then circulating. / Switch the discharge changeover valve 36 to the discharge side and discharge all the remaining grains outside the machine.

  When the wheat sorting operation is performed using a rice hull sorter equipped with the impeller-type hulling device 7, the wheat supplied to the hull hopper 6 is not sent to the impeller 7d, and the rice falling rice diffusion chamber 7e. It is also possible to feed to the sliding rice-style selection unit 2 and perform the wheat sorting operation.

Next, the control contents of the controller 60 will be described with reference to FIGS.
When the power switch is turned on (step S1) and the operation start switch SW1 is turned on by the operator (step S2), the main motor M1 is turned on, and the impeller-type huller 7 and each part of the machine start driving. (Step S3). Next, when the operation lever 32 is operated from the initial work position 44a to the hulling work position 44b by the operator, the hail shutter valve 31 is opened, and the swing drive device 39 starts driving (step S4). The discharge switching valve 36 starts the circulation hull sorting operation on the circulation side (step S5).

  Next, when the mixed rice more than the set amount is accumulated in the mixed rice tank 24 from the detection value of the mixed rice tank upper limit sensor SE3 (step S6), the circulation / discharge switching valve is based on the circulation / discharge switching valve discharge side switching command of the controller 60. 36 is switched from the circulation side to the discharge side (step S7), and the process shifts to the finished rice discharge hull sorting operation (step S8). Next, the process proceeds from “A” in FIG. 8 to “A” in FIG.

  Next, when the amount of mixed rice in the mixed rice tank 24 becomes equal to or less than the set amount from the detection value of the mixed rice tank lower limit sensor SE4 (step S9), the circulation / discharge switching valve 36 is based on the remaining rice processing rice hull sorting operation command of the controller 60. Is switched from the discharge side to the circulation side to shift to the remaining rice hull sorting operation (step 10), and the rotational speed of the impeller 7d of the impeller type hull sorting device 7 is adjusted to decrease (step S11).

  Next, the absence of wrinkle of the hull hopper 6 is detected from the detection value of the hull hopper grain presence / absence sensor SE1 (step S12). Then, when a predetermined time has passed (step S13), the circulation / discharge switching valve 36 is discharged from the circulation side. Next, when a predetermined time has elapsed (step S15), the driving of the main motor M1 is stopped based on the operation stop command of the controller 60, and the hull sorting operation is finished (step S16).

  Further, when the presence of wrinkles is detected from the detection value of the hull hopper grain presence / absence sensor SE1 in step 12 (step S12), the remaining rice processing hull sorting process is stopped based on the hulling work resuming command of the controller 36, and the circulation / While the discharge switching valve 36 is switched to the circulation side, the rotational speed of the impeller 7d is increased and adjusted to the normal pallet rotational speed, and the process returns to the normal pallet screening process (step S17). Next, when grains equal to or larger than the set amount of the mixed rice tank 24 are accumulated from the detection value of the mixed rice tank upper limit sensor SE3 (step S18), the process proceeds to step 7 in FIG. 8B.

  Moreover, when the grain more than the setting amount of the mixing rice tank 24 does not accumulate (step S18), when predetermined time passes (step S19), it will transfer to said step S11, and when predetermined time does not pass (step) S19), it returns to step S18 again.

Next, the notification configuration of the lining replacement time of the impeller type hulling device 7 will be described.
The impeller type hulling device 7 has a lining at the outer peripheral portion of the impeller case 7b and the outer peripheral portion of the impeller 7d, and is intended to notify the lining replacement time.

  When the hulling time of the impeller type hulling device 7 is counted by the timer function of the controller 60 and the hulling time reaches the preset lining replacement setting time, for example, the impeller 7d is based on the replacement notification command of the controller 60. Is adjusted to the minimum number of rotations, the removal rate is intentionally reduced, and “the lining replacement time has arrived” is notified on the display screen.

  When the impeller-type hulling device 7 is incorporated in the hulling rice milling equipment and used in combination with the rice milling machine, it is difficult to know the replacement time of the lining of the impeller-type hulling device 7, and the impeller 7d and the impeller case 7b may be damaged. is there. However, according to the said structure, such a condition can be solved and damage to the impeller 7d and the impeller case 7b can be prevented.

In the control, the main motor M1 may be forcibly stopped when the lining replacement setting time is reached.
When the wheat sorting switch SW3 is turned on, the rotational speed of the main motor M1 is reduced to a predetermined minimum rotational speed based on the wheat sorting command of the controller 60, and the rotational speed of the impeller 7d of the impeller-type hulling device 7 is lowered and adjusted. You may make it carry out the energy-saving driving | operation which suppressed the load current value of the main motor M1, preventing the damage of wheat.

  When the feed rice switch SW5 is turned on and the feed rice hulling operation is selected, the operation lever 32 is operated from the work initial position 44a to the hulling operation position 44b, and the hulling work is started. The circulation / discharge switching valve 36 is switched from the circulation side to the discharge side before a predetermined amount of grains accumulates in the mixed rice tank 24, so that the discharge hulling operation is suddenly started, and the efficiency of the hulling sorting operation is improved. You may do it.

  In the above control, the circulation / discharge switching valve 36 is switched to the circulation side for a short time before a predetermined amount of grain is accumulated in the mixed rice tank 24, then switched to the discharge side, and the foreign matter circulating with the grain. May be taken out from the distribution supply rod 16 to prevent foreign matter from entering.

  Further, during the hulling operation driven by the main motor M1, the impeller rotation speed increase / decrease adjustment switches SW6, SW7 are adjusted to increase / decrease to increase / decrease the rotation speed of the impeller 7d of the impeller-type hulling device 7, and remove it. The percentage may be changed.

  Further, the rotational speed of the impeller 7d is temporarily increased from the standard at the start of the hulling, and the rotational speed of the impeller 7d is decelerated after the set time or after the mixed rice tank 24 detects the mixed rice amount exceeding the set amount. However, it may be returned to the standard rotational speed. As a result, it is possible to increase the detachment rate at the start of the hulling, where the detachment rate tends to be low, and to prevent mixing of the koji into the finished rice.

DESCRIPTION OF SYMBOLS 1 Rice hull part 2 Sliding rice wind selection part 3 Mixed rice sorting part 4 Mixed rice cerealing machine 5 Brown rice cerealing machine 6 Rice hopper 7 Impeller type rice hulling device 15 Oscillating sorting plate 24 Mixed rice tank 31 籾 Shutter valve 32 Operation lever 36 Circulation / discharge switching valve 44 Operation guide groove 44a Initial position 44b Straw position 57 Impeller pulley 60 Controller M1 Main motor SE1 Hopper grain presence sensor SE2 Load current sensor SE3 Mixed rice tank upper limit sensor SE4 Mixed rice tank lower limit sensor SW5 Feed rice mode switch

Claims (2)

In a rice hull sorter equipped with an impeller-type hulling portion 1, a sliding rice-style wind sorting portion 2, and a swing sorting plate-type mixed rice sorting portion 3, the rotational speed of the impeller 7d of the impeller-type hulling device 7 is set. Impeller rotation speed adjusting motor M3 to be adjusted, mixed rice tank 24 for temporarily storing the crushed rice to be supplied to the mixed rice sorting unit 3, and the sorted brown rice of the mixed rice sorting unit 3 on the in-machine circulation side or the out-of-machine discharge side A circulation / discharge switching valve 36 and a controller 60 ,
At the start of hulling, the rotational speed of the impeller 7d is increased from the standard, and after the mixed rice tank 24 detects the mixed rice quantity exceeding the set amount, the rotational speed of the impeller 7d is reduced to the standard rotational speed and is circulated. / Switch the discharge switching valve 36 from internal circulation to external discharge, move to the discharge hull sorting process,
When the amount of grain in the mixed rice tank 24 falls below a set amount in the discharge paddy sorting process in which the circulation / discharge switching valve 36 is switched to the discharge side, the circulation / discharge switching valve 36 is switched from the discharge side to the circulation side. The remaining rice processing rice hull sorting step , and the impeller rotation speed adjustment motor M3 is adjusted to decrease the rotation speed so that the impeller 7d rotates at a lower speed than the standard rotation speed .
After the transition from the discharged rice husk sorting process to the remaining rice processing rice husk sorting process, when it is detected that a new rice bran hopper 6 has been supplied, the rotational speed of the impeller 7d is maintained while maintaining the in-machine circulation state. To the standard hulling speed,
Thereafter, when the mixed rice tank 24 detects a mixed rice amount that is equal to or greater than the set amount, the circulation / discharge switching valve 36 is switched from the in-machine circulation to the out-of-machine discharge, and the process shifts to the discharge hull sorting process.
The hulling time is counted by the timer function of the controller 60. When the hulling time reaches a preset lining replacement setting time, the rotation speed of the impeller 7d is minimized based on the replacement notification command of the controller (60). A rice hull sorter characterized by adjusting the number of rotations . In the invention of claim 1, there is provided a feed mode setting switch SW5 for selecting a hull for feed straw, and when the feed mode setting switch SW5 is turned on, the impeller rotation speed adjustment motor M3 is adjusted to a high speed rotation speed. The rotational speed of the impeller 7d of the impeller hulling device 7 is adjusted at high speed, and the circulation / discharge switching valve 36 is switched from the circulation side to the discharge side before a predetermined amount of grains accumulates in the mixed rice tank 24, thereby A pallet sorter characterized in that it is configured to shift to a slide sorting step .

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