JPS61192354A - Automatic rice-cleaning control method - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention particularly relates to an automatic rice milling control method for adjusting chromaticity.

<Prior art> Various conventional automatic rice polishing control methods and devices have been proposed, for example, Japanese Patent Application Laid-open No. 5'9-2" 9045.
There are those disclosed in Japanese Patent Publication No. 2003-122023 and the one shown in FIG. Reference numeral 1 denotes an automatic rice milling control device, and this automatic rice milling control device 1 mainly includes a rice milling machine 2, a supply hopper 3, and a color meter 4.

The rice polishing machine 2 is equipped with a rotary body 6 connected to a motor 5 whose rotation speed can be adjusted. The rice is polished by the rotating body 6 and discharged while the discharge amount is adjusted by a pressure plate 8 provided on the output side of the output side 2 so that the pressure can be freely adjusted. The colorimeter 4 measures the degree of polished rice discharged from the rice milling machine 2 while being polished.The colorimeter 4 is connected to a controller 9 consisting of a microcomputer or a memory element, and this control The device 9 is further connected to the motor 5 and the pressure plate 8 mentioned above. The required chromaticity (for example, whiteness 30) is preset in the controller 9, and is constantly compared with the chromaticity measured by the chromaticity meter 4.
This comparison result is fed to the pressure plate 8 or motor 5 of the connected rice mill 2, and the chromaticity of the polished rice 7b is changed by adjusting at least either the pressure of the pressure plate 8 or the amount of rotation of the rotating body 6. At the very least, it is an attempt to obtain the desired chromaticity.

<Problems to be Solved by the Invention> However, in such a conventional automatic rice milling control method, the rice milling machine 2 is Since the set chromaticity is obtained by changing the load (pressure and rotation) of the rice miller 2, although it is sufficient to adjust the "yield" of the rice miller 2, there may be a case where there is not enough white peel.

The applicant found that in order to adequately adjust the white skin, it is necessary to adjust: ■ the pressure of the rice polishing machine; ■ the rotation rate of the rice polishing machine; and ■ the amount of brown rice supplied to the rice polishing machine. is obtained as knowledge, and by adjusting the supply amount based on this knowledge, the color degree (white skin) of polished rice is adjusted.

<Means for Solving the Problems> In order to achieve the above object, the automatic rice milling control method according to the present invention supplies brown rice from a supply hopper to a rice milling machine, and controls the milled rice to be discharged while being polished by the rice milling machine. Measure the chromaticity with a chromaticity meter, compare the measured chromaticity with a preset chromaticity, and adjust the operating conditions of the rice milling machine according to this comparison value to adjust the chromaticity of the polished rice. In the automatic rice milling control method, the gist is that the chromaticity adjustment is performed by adjusting the amount of brown rice supplied from the supply hopper to the rice milling machine in addition to the load on the rice milling machine.

<Function> We decided to adjust the color (white skin) of milled rice by adjusting the amount of rice supplied to the rice mill in addition to the load on the mill, so we could easily adjust the color of milled rice. It is possible to adjust the consistency (white peel), and also to adjust the load of the rotation and pressure of the rice milling machine, so it is possible to improve the conventional "yield". In addition to (or instead of) adjusting the supply amount in South America, the power (power consumption, amperage) of the rice milling machine may be adjusted, and this is even more suitable.

<Example> This invention will be explained below based on the drawings. Incidentally, in the following, parts common to those in the prior art will be indicated by the same reference numerals, and redundant explanation will be omitted. FIG. 1 is a diagram showing an embodiment of this invention. 11 is a switchgear, and this switchgear 1
Reference numeral 1 allows the opening degree of the opening 3a of the supply hopper 3 to be adjusted freely, and a shutter, a cut gate, etc. can be employed. The switchgear &11 is connected to the controller 9, and the chromaticity of the polished rice 7b measured by the chromaticity meter 4 is compared with the "set value" of the controller 9, and the comparison value causes the switchgear 11 to open. This is to adjust the degree. That is, the polished rice 7b discharged from the rice milling machine 2
The chromaticity of is measured by the chromaticity meter 4, and the chromaticity is measured by the chromaticity meter 47-controller 9.
- Switching device 11. is transmitted and fed back to the input side of the rice miller 2, and the amount of brown rice 7a supplied to the rice miller 2 can ultimately be adjusted based on the chromaticity of the discharged polished rice 7b. be. The amount of brown rice 7a supplied, which is adjusted by the opening degree of the opening/closing device 11, is increased when the chromaticity (white peel) measured by the chromaticity meter 4 is high, that is, when it is too white than the set value. On the other hand, if the chromaticity (white skin) is low, adjust it so that it decreases.If the supply amount of brown rice 7a is increased, the polishing power for each brown rice 7a in the rice milling machine 2, in other words, the unit of brown rice 7a Processing force decreases,
The chromaticity of the polished rice 7b will decrease, and conversely, if the supply amount is reduced, the unit processing power of the brown rice 7a will improve and the chromaticity will increase.

By the way, the supply hopper 3 is connected to the supply tank 12 to form a supply system for brown rice 7a, and instead of the opening/closing device 11 of the supply hopper 3, a similar opening/closing device 13 provided in the supply tank 12 is connected to the controller 9. The amount of brown rice 7a supplied to the rice milling machine 2 may be adjusted accordingly. At this time, the supply hopper 3 is used to keep the supply amount of brown rice 7a to the milled rice Ia2 constant, and the supply amount is measured by a flow meter 14 arranged in the supply system or a level meter combined with the supply hopper 3. 1
It is best to do this at 5. As the flowmeter 14, a rotary pressure receiving plate 16 and a sensor 17 such as a load cell can be used to measure the impact force of falling of the brown rice 7a as a flow rate. If such a flow meter 14 and level meter 15 are used, when controlling the opening and closing of the opening/closing device 13 to adjust the supply amount of brown rice 7a to the supply hopper 3, the flow rate can be measured continuously at all times, and the opening/closing device 13 can be opened and closed. By feeding it back to the device 13, the supply amount of the brown rice 7a can be adjusted more reliably.In addition, in the embodiment, the chromaticity adjustment of the polished rice 7b using the rice milling machine 2 was explained, but of course The present invention is not limited to this, and can be generally applied to "processing machines" for adzuki beans and other grains. In addition to adjusting the supply amount, in addition to (or in place of)
By adjusting the power (power consumption, amperage) of the rice milling machine, even more suitable white discoloration adjustment can be achieved.

<Effects> Since the automatic rice milling control method according to the present invention has the content as explained above, the chromaticity of discharged milled rice is measured with a chromaticity meter, and this measured chromaticity is compared with a preset value. Comparing the chromaticity, if the chromaticity (white discoloration) is high, increasing the supply of brown rice will reduce the milling unit processing power for brown rice in the rice milling machine, and conversely, the chromaticity (white discoloration) will be low. In some cases, reducing the supply amount of brown rice will improve the milling unit processing power for brown rice in the rice mill, and by adjusting the supply amount of brown rice fed to the rice mill in addition to the load adjustment of the rice mill, it will be possible to obtain sufficient color. Every time(
In addition, since the load on the rice milling machine is also adjusted, it has the effect of being able to cope with conventional yields.

[Brief explanation of drawings]

FIG. 1 is an overall schematic explanatory diagram showing one embodiment of the apparatus used in this method invention, and FIG. 2 is an overall schematic explanatory diagram corresponding to FIG. 1 showing the apparatus used in the conventional automatic rice milling control method. be. 1- Automatic rice polishing control device 2- Rice polishing machine 3-- Supply hopper 4 - Color meter 7a- Brown rice 7b- Polished rice 11.13- Opening/closing device

Claims (1)

[Scope of Claims] Brown rice is supplied from a supply hopper to a rice milling machine, and the chromaticity of the milled rice discharged while being polished by the rice milling machine is measured using a chromaticity meter, and this measured chromaticity is combined with a preset value. In an automatic rice milling control method that adjusts the chromaticity of milled rice by comparing the chromaticity and adjusting the operating conditions of the rice milling machine according to this comparison value, the above chromaticity adjustment is added to the load of the rice milling machine. An automatic rice milling control method characterized in that the automatic rice milling control method is carried out by adjusting the amount of brown rice supplied from a supply hopper to a rice milling machine.