JPH0470057B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a rice milling device, and can be applied to an unmanned rice milling device that can be operated by inserting a coin.

[Prior art and problems to be solved by the invention] A stone removing machine is installed between the brown rice supply section and the rice milling machine to remove foreign substances contained in the raw brown rice, and one side of the sorting board is installed every predetermined rice milling operation. The structure includes a stone removal pretreatment operation mechanism that can open the foreign matter discharge port provided in the main body and separate and discharge foreign matter.

By the way, some of the raw brown rice remains on the sorting board surface of the stone removing machine, and this will be processed together with the supplied brown rice during the next rice milling process. They are separated, and if they are mixed together, it will affect the taste.

[Means to solve the problem]

In view of the above, this invention aims to facilitate the discharge of unprocessed rice remaining on the sorting board surface of the stone removal machine and the operation of the operation panel, and includes a raw brown rice input section 5, a brown rice supply means 1
7. It consists of a stone removal machine 10, a rice polishing machine 12, etc., and the operation panel 6 has a coin slot, a glutinous rice selection switch 48,
A rice polishing device is provided with whiteness selection switches 49 to 51, etc., and configured to operate each part for a set time according to the number of coins inserted to perform rice polishing processing,
The control unit 54 outputs a start signal for the brown rice supplying means 17, the destoner 10, and the rice polishing machine 12 in accordance with the operation signals of the whiteness selection switches 49 to 51. The whiteness selection switch 49-51 constitutes a determining means that determines whether or not the glutinous rice selection switch 48 is operated before the whiteness selection switch 49-51 is operated. The brown rice supplying means 17 waits for the operation signal of 51 to output the operation, and continues after a predetermined preprocessing operation time has elapsed.
The rice polishing device has an operation control means for outputting operation to the rice polishing machine 12 and the like.

[Operation and effect of the invention]

Insert raw brown rice into the brown rice input section 5, insert coins required for the processing time for this amount of brown rice from the input port, and then turn the whiteness setting switch to the desired whiteness depending on the type of raw brown rice if it is non-glutinous rice. Operate 49-51.

The control unit 54 calculates the operating time according to the number of coins inserted, and the means for determining this is to determine whether or not the destoning pretreatment operation is necessary by operating the rice selection switch 48. switch 49~5
When the glutinous rice selection switch 48 is operated before step 1, the determination means determines whether or not the destoning pretreatment operation is necessary, and if this is necessary, the destoning pretreatment operation is performed for a predetermined short time, The remaining grains on the sorting board surface of the stone remover 10 are removed from the discharge port etc., and after this pre-processing operation time has elapsed, an activation signal is output to the brown rice supply means 17 and the rice polisher 12, and the raw brown rice is removed from the stone remover 10, The rice passes through the rice milling machine 12, where it is destoned and polished.

In this way, it is determined whether or not the destoner pretreatment operation is necessary by operating the glutinous rice selection switch 48, but the actual operation signal is issued after waiting for the operation of the whiteness selection switches 49 to 51. If a special switch operating means is configured for pre-processing operation and the rice milling machine, etc. is to be operated after waiting for the operation of the whiteness selection switch means, the settings of each part are completed by the start-up sound of the pre-processing operation. However, in the present invention, this does not occur. In other words, the present invention prevents forgetting to set the whiteness, and there is no interruption in driving, which is effective for beginners and users who use the device infrequently.

〔Example〕

An embodiment of this invention will be described based on the drawings.

Reference numeral 1 denotes a building in which an unmanned rice milling device is set up, and the interior thereof is divided into an operation room 3 and a machine room 4 by a partition wall 2. Among these, the operation room 3 side has a brown rice input section 5, an operation panel 6, a polished rice take-out section 7, etc., and the machine room 3 side has a charging hopper 8, a stone removal elevator 9, a stone removal machine 10, a rice polishing elevator 11, It has a rice polishing machine 12, a bran processing section 13, etc.

The brown rice input section 5 has a brown rice stand 15 on the operation room 3 side before and after the opening 14 of the partition wall 2.
Input hoppers 8 are shown on the side of the machine room 4, and a supply gutter 17 as a means for supplying brown rice is provided below the hopper 8, and the shaft of a supply spiral 16 installed in this feed gutter 17 has one end. Side drive motor 1
8 so as to be rotatably interlocked. 19 is a sieve screen.

The transfer end side of the supply gutter 17 is exposed to the hopper portion of the stone removing elevator 9, and the stone removing machine 10 is positioned below the hopper on the upper side of the stone removing elevator 9. This stone removing machine 10 includes an inclined sorting board 20, a fan 21,
It consists of a swinging mechanism 22, etc., and as the drive motor 23 rotates, the tilting direction of the sorting board 20 swings while raising air to shake foreign objects (stones, metal pieces, etc.) mixed in the brown rice to the upper side of the slope, thereby separating the brown rice. Flows downward to exit 24
It is configured so that it can be discharged from The foreign matter discharge shutter 25 provided on the upper side of the sorting board 20 normally maintains the foreign matter discharge port 27 in the "closed" state with a spring 26, and upon receiving a work completion signal (for example, the stop signal of the supply spiral 16), This is made "open" by the rotating forward/reverse opening/closing motor 28. Reference numerals 29 and 30 indicate limit switches for setting the limit operation, which can set the rotation limit of the opening/closing motor 28, which is rotated in reverse after maintaining the "open" state for a short time (for example, 5 seconds).

The hopper of the rice milling machine 11 is visible below the brown rice outlet 24, and the rice milling machine 12 is located at the bottom of the upper tank.
Looking into brown rice tank 31.

This rice milling machine 12 has a known configuration in which a milling roll 33 is installed in a milling chamber 32, and the separated bran from the bran removal screen 34 is conveyed to the bran processing section 13 by a bran conveying fan 35. Reference numeral 36 is a rice polishing machine motor that rotates and interlocks the polishing roll 33, bran conveying fan 35, and the like. A compression plate 37 is provided on the exit side of the whitening chamber 32, and the whiteness adjustment motor 38 can rotate normally, neutrally, or
The spring pressure can be adjusted for each reverse movement, and can be set to three levels: white, standard, and 8 minute pounding. This outlet side communicates with a polished rice tank 39 serving as a polished rice take-out section 7. Reference numeral 40 is a fan for blowing air into the whitening room 32.

The bran processing unit 13 includes a cyclone 41, a bran transfer spiral 42 and a gutter 43 that horizontally transports the bran that has fallen into the lower part of the cyclone 41, and a gutter 43 that removes the falling bran from a discharge section that opens at the middle and end of the spiral gutter 43. It consists of rice bran bags 44, 44 for receiving rice bran.

The operation panel 6 on the side of the operation room 3 has a brown rice input ready lamp 45, a coin count indicator 46, a coin mark 47, a glutinous rice selection switch 48 in the form of an illuminated push button switch, and a whiteness selection (in the illustrated example, Switches 49, 5 (switches 49, 5) which can be selected from three levels: upper white, standard, and 8/8, and control forward and reverse rotation of the whiteness adjustment motor 38.
0.51, price list 52 (for example, "100 kg up to 10 kg
Among them, the coin mark 47 is equipped with an identification section for inserted coins and a coin sensor 53 that operates for each inserted coin. The operation panel 6 is equipped with a microcomputer that controls the drive motors of various parts.

Detection information from the coin sensor 53, whiteness selection information, clock signals, etc. are input to the arithmetic control unit (CPU) 54 of the microcomputer. On the other hand, as output information, supply spiral drive motor 1
8 control signal, control signal for the drive system of this machine such as the stone removal machine 10 drive motor 23, elevator 9, 11 drive motor 55, rice polishing machine 12 drive motor 36, bran transfer spiral motor 56, stone removal machine shutter opening/closing motor 28 control signal, whiteness There are adjustment motor 38 control signals, etc.

In addition, in the circuit diagram shown in Figure 8, the electromagnetic switch
_MC1 to _MC5 , by their excitation, supply power to the drive motors, that is, the supply spiral drive motor 18, the destoner drive motor 23, the elevator drive motor 55, the rice mill drive motor 36, and the bran transfer spiral motor 56. Turn on contacts mc ₁ to _{mc 5} provided in the middle of the circuit.
Relays R ₁ and R ₂ are the stone removal machine shutter opening/closing motor 28
The relays R ₃ and R ₄ are for forward and reverse rotation of the whiteness adjustment motor 38, and the contacts r ₁ and r ₂ are turned on.
This is for reverse rotation, and contacts r ₃ and r ₄ are linked to ON.

The CPU 54 mainly has the following functions. That is,
In response to the signal from the coin sensor 53, the amount of money inserted and the number of coins inserted are calculated. A built-in timer function is operated according to the number of coins (100 yen coins) inserted, and a drive signal is output to the motor 18 for the supply spiral 16 for a predetermined time t ₁ (135 seconds per 100 yen coins). On the other hand, rice milling machine 12
A drive signal is simultaneously output to the drive system motors of the machine, such as the drive motor 36 and the motors 55 for the elevators 9 and 11. When the set time t ₁ based on the number of coins inserted has elapsed, a delay of the set time t ₂ (for example, 30 seconds) is elapsed, and an output is output to stop the machine drive system motors such as the motor 36 for the rice mill 12. After the work end signal, that is, the operation time of the supply spiral 16 drive motor 18 set according to the number of coins inserted has elapsed, the discharge shutter 25 opening/closing motor 28 of the stone removing machine 10 is rotated in the forward direction, and after a predetermined time has passed, it is returned to the reverse direction. outputs a forward/reverse signal. When the glutinous rice selection switch 48 is turned on before the whiteness selection switch is turned on,
Upon receiving the whiteness selection switch ON signal, the de-stoning machine pre-processing operation is performed for a predetermined short time, that is, the de-stoning machine drive motor 23
and outputs an operation signal to the opening/closing motor 25. After this pretreatment operation of the stone removal machine, a drive signal is output to the drive system motor of the machine. etc.

The glutinous rice selection switch 48, which is in the form of an illuminated push button switch, has an illumination configuration that can be turned ON continuously upon being pressed and light up a built-in indicator lamp 57 (display section). This display lamp 57
continues to be ON even after the end of the operation, and when non-glutinous rice is selected in the next operation, that is, immediately after receiving the detection signal from the coin sensor 53, one of the whiteness selection switches 49 to 51 is turned ON. In this state, the CPU 54 turns off the light to determine that it is different types of rice, and also performs the pretreatment operation of the destoning machine.

Similarly, when the glutinous rice selection switch 48 is off (the previous selection was glutinous rice), when the glutinous rice selection switch 48 is pressed, the CPU 54 determines that a different type of rice is selected (the current selection is glutinous rice), and the above-mentioned stone removal machine It is configured to perform processing operation.

In addition, 58, 58... are each part drive motors 18, 2.
3, 36, etc. are overload detectors installed in the middle of the circuits, and when at least one of them detects an overload, the drive motor circuit is cut off and the operation of each motor is stopped urgently. The entire amount invested or the amount equivalent to unprocessed rice (calculated while detecting the amount remaining in the brown rice tank 31 with the level detectors 59, 59, . . .) can be returned through the return port 60.
At the same time, an indicator light 62 for a dial 61 disposed near the supply hopper 8 indicating "don't add brown rice" is turned on, and unprocessed brown rice can be returned from the return tube 63 to the operation chamber 3 side. Furthermore, the measures such as returning the coin and turning on the indicator light 62 are configured so that in addition to the above-mentioned overload detection, similar processing can be performed when an abnormality is detected, such as when an open phase is detected in a three-phase 200V power supply circuit.

The effect of the above example will be explained.

Enough 100 yen coins to secure an operating time corresponding to the amount of raw material brown rice are inserted in advance into the input slot of the coin pick 53, and the brown rice is supplied to the input hopper 8. Next, when processing non-glutinous rice, one of the whiteness setting switches 49 to 51 is operated directly, which outputs a drive signal to the motor of this machine. It is horizontally transferred by the supply spiral 16 and placed into the stone removal elevator 9. The unpolished rice discharged from the upper part of the elevator 9 enters a destoner 10 and is subjected to rocking or air separation treatment to remove any foreign matter contained therein. The polished brown rice from below the sorting board 20 is supplied to the rice polishing elevator 11, lifted up, and supplied into the brown rice tank 31. Milling room 3 of rice milling machine 12
The brown rice flowing down into the rice mill 2 is polished by the rotation of the polishing rolls 33, whereby the surface bran layer is peeled off between the grains and between the bran removal screens 34. At this time, the pressure plate 3 at the outlet
7 is set to a desired pressure with a polishing selection switch, and the desired degree of polishing is achieved. Whitening room 32
The polished rice from the machine passes through the polished rice take-out section 7 and is transferred to the operation room 3 as appropriate.
These items will be collected within the facility. Each part of the operation turns into supply spiral 1 after the time t ₁ set by the input amount has elapsed.
Since the drive motor 18 of No. 6 stops and the drive motor of the rice polishing machine etc. stops after a delay of a predetermined time t ₂ , the amount of brown rice remaining in the elevators 9 and 11 and the whitening room 32 can be reduced. When receiving a drive stop signal for the supply spiral 16, specifically a drive motor 18 stop signal, the discharge shutter 25 opening/closing motor 28 of the stone removing machine 10 rotates normally to open the discharge port 27, and the sorting board It is possible to remove foreign substances remaining on the 20 and prevent them from being mixed in during the next rice milling operation.

When glutinous rice is to be polished, after inserting the specified coin, press the glutinous rice selection switch 48,
Finally, the desired whiteness selection switch is pressed to start the work. Upon receiving the selection operation signal from the glutinous rice selection switch 48, the control section 54 starts the operation of the supply spiral 16 and the rice polishing machine 12 by starting the destoning machine drive motor 2.
3 outputs an operation signal to operate for a predetermined short time after waiting for the operation of the whiteness selection switch, and in response to the operation signal, sorting from the opening of the foreign matter discharge shutter 25 which is linked to "open" in advance is performed. It is possible to discharge the residual grains from the previous operation that remain on the upper part of the board 20 (de-stoning machine pre-treatment operation).

When the above-mentioned pretreatment operation is finished, the supply spiral 16 drive motor 18 and the drive motor 3 for the rice polishing machine 12 are automatically
The 6th and other parts begin to rotate, and the process moves on to the normal rice polishing process. In addition, the stone removal machine 10 drive motor 23
is continued to be driven following the previous pretreatment operation.

When the glutinous rice processing for a predetermined period of time is completed, all operating parts are stopped and the discharge shutter 25 motor 28 rotates normally to discharge the foreign matter. Even after such a series of rice polishing processes are completed, the illuminated display of the glutinous rice selection switch 48 continues, allowing the next user to confirm that the previous polishing process was glutinous rice processing.

In this embodiment, if the raw material brought in by the next user is glutinous rice, after inserting a coin, the user does not touch the illuminated glutinous rice selection switch 48, but selects one of the polished rice selection switches. Start working by pressing . Even in this case, the residual grain processing operation of the de-stoning machine 10 and the sorting board 20 is performed, and the glutinous rice processed previously is separated from the non-glutinous rice processed this time.

[Brief explanation of the drawing]

The figures show one embodiment of the present invention, in which Fig. 1 is an overall plan view, Fig. 2 is a schematic flow diagram of the device, Fig. 3 is a side sectional view of the stone removal machine, and Fig. 4 is a part of it. 5 is a sectional view of the rice milling machine, FIG. 6 is a front view of the operation panel, FIG. 7 is a time chart, and FIG. 8 is a circuit diagram. In the figure, 6 is the operation panel, 9 is the stone removal lift, 10 is the stone removal machine, 11 is the rice polishing lift, 12 is the rice polishing machine, 20 is the sorting board, 23 is the stone removal machine drive motor, 25 is the opening/closing shutter, and 28 is the opening/closing motor. , 36 is a rice mill drive motor, 47 is a coin pick, 48 is a glutinous rice selection switch, 49 to 51 are whiteness selection switches, 53 is a coin sensor, 54 is a control unit (CPU), 55 is an elevator drive motor, 56 is a rice bran The transfer helical drive motor is shown.

Claims (1)

[Claims] 1 Consists of a raw brown rice input section 5, a brown rice supply means 17, a stone removal machine 10, a rice polishing machine 12, etc., and the operation panel 6 is equipped with a coin slot, a glutinous rice selection switch 48, whiteness selection switches 49 to 51, etc. , a rice milling device configured to mill rice by operating each part for a set time according to the number of coins inserted, the brown rice supplying means 17, stone In the control section 54 that outputs the start signal for the removing machine 10 and the rice polishing machine 12, the control section 54 has a function depending on whether or not the glutinous rice selection switch 48 is operated before the whiteness selection switches 49 to 51 are operated. It constitutes a determining means for determining the necessity of pre-processing operation of the stone removing machine, and the pre-processing operation signal is to be outputted after waiting for the operation signal of the whiteness selection switches 49 to 51, and for a predetermined pre-processing operation time. After the elapsed time, continue to use the brown rice supply means 17 and rice milling machine 1.
A rice milling device configured with an operation control means to output an operation output to the second grade.