JP2662887B2 - Rice feeder for huller - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a paddy feeder for a rice huller in which mixed rice removed by a rice huller is separated and sorted into brown rice and rice by a sorter. .

"Conventional technology" Although the paddy sorted by the sorter is usually circulated so as to be returned to the huller again, in the case of such a circulating means, foreign particles and foreign substances mixed in the paddy are used. It is necessary to discharge the gas from the machine at any time because it is accumulated without decreasing in the middle, and a switching valve required for this discharge is generally provided in a paddy return passage between the separator and the material supply elevator.

[Problems to be Solved by the Invention] However, in the case of the above-mentioned conventional means, the switching valve is provided at a low position, so that the discharge place is limited. There were problems such as the need for a dedicated fryer.

"Means for solving the problems" Therefore, the present invention is to separate and sort the mixed rice removed in the hulling unit into brown rice and paddy in the sorting unit, and the hulled rice in the sorting unit A paddy circulation path for returning to the paddy section again via a feeder elevator for supplying feedstock to the section,
In a rice feeder of a rice huller provided with a discharge switching valve for switching a feed direction of rice from a circulation side to a discharge side in the circulation path, a raw material supply shutter for supplying a raw material to the elevator for a set time is provided. Disposing the switching valve at an outlet of the elevator, and controlling a switching solenoid of the switching valve and an opening / closing solenoid of the shutter based on a mixed rice quantity sensor for detecting a mixed rice quantity in a mixed rice tank of the sorting unit. Provide a control circuit to switch the switching valve to the discharge side after a certain delay time from the closing operation of the shutter, when the sensor detects a small amount of mixed rice amount, switch the switching valve to the circulation side, and, The shutter is opened.

According to the present invention, the supply of raw material to the raw material supply elevator can be interrupted at the time of discharging the paddy, and the switching valve is provided at the outlet of the lift. After solving the inconvenience of discharging the paddy at the same time, it is possible to cancel the limitation of the paddy discharge place and omit the dedicated grain raising device for the discharged paddy, and furthermore, the paddy after all the raw materials in the elevator are sent to the paddy section. In order to discharge rice, it is possible to reliably prevent simultaneous discharge of unprocessed raw materials due to the discharge of rice, and to stop the discharge of rice when detecting a small amount of mixed rice, and to restart the supply of raw materials, It can prevent the idle operation of the grinder and the abnormal reduction of the raw material and the mixed rice in the hulling unit and the sorting unit, and can stably maintain the de-rate and the sorting accuracy even if the supply of the raw material is interrupted to discharge the paddy. It is.

Embodiment An embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an overall work system diagram, FIG. 2 is an external side view,
In the figure, (1) is a hulling unit, (2) is a hulling supply hopper of the hulling unit (1), (3) and (4) are a pair of unrolls provided below the hopper (2), (5) is a mixed rice elevator that feeds the mixed rice after removal to the swinging sorting unit (6), (7)
Discharges mixed rice from the elevator (5) and shoots (8)
Mixed rice tank of the oscillating sorting unit (6), which is stored via
(9) The mixed rice in the tank (7) is rocked and sorted (10)
And (11) a discharge gutter for discharging the sorted kernels, and the crushed mixed rice de-treated in the hulling unit (1) is shaken by the swinging sorting unit (6). Dynamic screening frame (10)
Raw rice paddy tank (13) that receives dried paddy while separating and sorting into brown rice and paddy through the discharge gutter (11) by the rocking motion of the paddy, and the tank (13) Paddy elevator (1) that feeds paddy from
4), and the paddy is continuously put into the paddy supply hopper (2) to perform the hulling operation.

As shown in FIG. 1, the hulling unit (1) is provided with a feeding roll (15) for quantitatively flowing the hulling from the hopper (2) to the unrolling (3) (4), and an adjustment link (16). Step air cylinder (17) that variably adjusts the depressurization of each of the rolls (3) and (4) by bringing the variable side deroller (3), which is supported and supported, close to the fixed side deroller (4).
And, from the mixed rice falling from the rolls (3) and (4) through the mixed rice flow outlet (18) to the flowing grain plate (19), the rice husks and the like are removed from the mixed rice by the suction wind of the dust suction and discharge fan (20). Equipped with a sorting air passage (21) for discharging to the outside, and unrolling (3) (4)
The mixed rice that has been rubbed from the rice is fed to a mixed rice tank (7) by a mixed rice elevator (5).

The swing sorting section (6) includes a swing sorting plate (22) provided in multiple stages on a swing sorting frame (10) for swinging motion, and a left swinging side on the sorting plate (22). A brown rice partition plate (23) for separating and collecting the separated and concentrated brown rice layer and the mixed rice layer, and a paddy layer and a mixed rice layer separated and concentrated on the right-swinging side on the sorting plate (22). And a mixed rice gutter (11a) and a mixed rice gutter (11) of a discharge gutter (11). 11b) and the chute (11c) through the chute (12) below.

Further, a bottom of the mixed rice tank (7) is provided with a mixed rice quantity sensor (25) for detecting a small amount of remaining mixed rice, and a brown rice partition plate (23) is screwed on the sorting section (6). A partition plate motor (27) that adjusts the position through (26), and the brown rice extracted by the brown rice partition plate (23) is selectively dropped into a brown rice gutter (11a) or a mixed rice gutter (11b). And a changeover valve (28).

By the way, a paddy reduction furnace (29) for feeding paddy taken out to the paddy gutter (11c) to the entrance of the paddy elevator (14) is provided, and the paddy circulation route (29) is provided by these return paths (29) and the lift (14). 30) and the paddy is circulated through the exit passageway (14a) of the elevator (14) on the circulation side of the hulling unit (1) or the paddy discharge tank (3).
A switching solenoid (3) that selectively feeds in the discharge side of 1)
A discharge switching valve (33) operated in 2) is provided, and the switching valve (3
When 3) is switched to the discharge side, the paddy in the outlet passage (14a) is taken out and stored in the paddy discharge tank (31) through the paddy discharge path (34).

At the time of the discharge side switching operation of the switching valve (33), the opening and closing solenoid (36) of the raw material supply shutter (35) provided at the outlet of the paddy tank (13) is operated to operate the shutter (35). It is configured to be closed.

As shown in FIG. 3, the valve switching solenoid (32)
An automatic / manual changeover switch (38) and the mixed rice quantity sensor (25) are input connected to a control circuit (37) for outputting and connecting a shutter opening / closing solenoid (36), and these changeover switches (38) and the mixed rice are connected. The changeover valve (3
The switching control of 3) and the opening / closing control of the shutter (35) are automatically performed.

The present embodiment is configured as described above, and in the paddy taken out to the paddy gutter (11c) of the sorting section (6), foreign particles other than the paddy, foreign matter, etc. are mixed. The accumulation increases over time. When such foreign particles and foreign substances are accumulated in a certain amount or more, these foreign particles and foreign substances are discharged out of the machine together with the paddy so that they are not carried around in the circulation path (30) forever. The following automatic control will be described with reference to the flowchart of FIG.

Now, when the changeover switch (38) is automatically switched, the automatic control is started, and the solenoid (36)
Excited and the raw rice paddy tank (13) shatter (35)
Is opened to supply the raw material paddy, and the operation time is started by a timer built in the control circuit (30).

Then, when a predetermined work time has elapsed, the excitation of the solenoid (36) is released and the shutter (35) is closed, and all of the raw material paddy supplied before the shutter (35) is closed is lifted by the elevator ( 14) After a certain delay time when the solenoid (3) is sent to the hulling unit (1) side,
2) Accordingly, the switching valve (33) is switched to the discharge side, and during this time, the paddy, foreign particles, foreign matter, and the like to be taken out to the chute (11c) are stored in the discharge tank (31). Thereafter, when the mixed rice quantity sensor (25) detects a decrease in the mixed rice quantity in the mixed rice tank (7), that is, a substantially empty state, the solenoid (32)
Then, the switching valve (33) is switched to the circulation side, and the solenoid (36) is excited to operate again to release the shutter (35).
And then repeat the same operation as described above. By periodically forcing foreign particles and foreign substances contained in the paddy to the outside in this way, the adverse effects of these foreign particles and foreign substances are maximized. It is possible to stably maintain the elimination rate and the sorting accuracy by suppressing the rate.

[Effects of the Invention] As is clear from the above embodiments, the present invention separates and separates the mixed rice removed in the hulling unit (1) into brown rice and paddy in the sorting unit (6), A paddy circulation path (30) for returning the paddy selected in (6) to the paddy section (1) again via a feeder elevator (14) for supplying a padding to the paddy section (1); In the paddy feeding apparatus for a rice hulling machine, a discharge switching valve (33) for switching a feed direction of paddy from a circulation side to a discharge side in the circulation path (30) is provided.
A material supply shutter (35) for supplying the material to the apparatus for a set time is provided, and the switching valve (33) is connected to the elevator (1
The switching solenoid of the switching valve (33) is disposed at the outlet of (4) and based on a mixed rice quantity sensor (25) for detecting the quantity of mixed rice in the mixed rice tank (7) of the sorting section (6). 32) and an opening / closing solenoid (36) for the shutter (35)
A control circuit (37) for controlling the shutter (35);
The switching valve (33) is switched to the discharge side after a certain delay time from the closing operation of (a), and when the sensor (25) detects a small amount of mixed rice, the switching valve (33) is switched to the circulation side, and Opening the shutter (35), so that the supply of the raw material to the raw material supply elevator (14) can be interrupted at the time of discharging the paddy, and the switching valve (33) is provided at the outlet of the elevator (14). Therefore, after solving the inconvenience of untreated raw materials being discharged at the same time when discharging the paddy, it is possible to cancel the limitation of the discharge place of the paddy and to omit the dedicated fryer for discharging the paddy, and furthermore, the elevator (14) The raw material in the hulling part (1)
Since the paddy is discharged after all of the rice has been sent out, the simultaneous discharge of unprocessed raw materials due to the discharge of the rice can be reliably prevented, and when the small amount of mixed rice is detected, the discharge of the rice is stopped, and the raw material is supplied. To prevent the idle operation of the hulling machine and the abnormal reduction of the raw material and the mixed rice in the hulling unit (1) and the sorting unit (6), and to interrupt the raw material supply for the hulling. This also has a remarkable effect, such as stably maintaining the removal rate and sorting accuracy.

[Brief description of the drawings]

1 is an overall work system diagram, FIG. 2 is an external side view of the same, FIG. 3 is a control circuit diagram, and FIG. 4 is a flowchart. (1) ... Rice hulling part (6) ... Sorting part (14) ... Elevator (30) ... Rice circulation path (33) ... Switching valve

Claims (1)

(57) [Claims] The mixed rice removed in the hulling unit (1) is separated and sorted in the sorting unit (6) into brown rice and paddy, and the hulled in the screening unit (6) is separated into hulling units. A paddy circulation route (30) for returning to the hulling unit (1) again via a feeder elevator (14) for supplying the feedstock to (1);
In a rice feeder of a rice huller provided with a discharge switching valve (33) for switching a feed direction of the rice from a circulation side to a discharge side, a raw material supply shutter for supplying a raw material to the elevator (14) for a set time. (35), the switching valve (33) is disposed at the outlet of the elevator (14), and the mixed rice quantity for detecting the mixed rice quantity in the mixed rice tank (7) of the sorting section (6). The switching valve (33) based on the sensor (25)
A control circuit (37) for controlling the switching solenoid (32) of the shutter (35) and the opening / closing solenoid (36) of the shutter (35) is provided, and the switching valve (33) is discharged after a predetermined delay time from the closing operation of the shutter (35). And the switch (33) is switched to the circulation side and the shutter (35) is opened when the sensor (25) detects a small amount of mixed rice in the sensor (25). Paddy feeder for rubbing machine.