JPS6314775B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a sample supply device for a grain moisture meter.

Generally, it is well known that the moisture content of grains is measured by measuring the capacitance of the grain container, but the capacitance detected by the grains mixed with contaminants supplied to the moisture meter is Values vary even for the same grain, so various methods are used to measure moisture. For example, by placing grain in a designated container in advance, After measuring the amount of grain, it was fed to a moisture measuring device and the electrostatic container was measured, or the grains were brought to a constant weight using a gravimeter and then transferred to a moisture measuring device to measure the moisture content. However, when pre-adjusting only a constant grain volume or a constant grain weight, the distribution density of the grain layer supplied to the moisture measuring device is not constant, and the moisture content and shape of branches, straw, etc. When measuring grain (hull) moisture in a dryer or other grain tank that mixes hybrids that undergo catabolic metamorphosis, it is important to accurately measure grain moisture because density unevenness occurs due to voids and bridging in the formed grain layer. However, there is a method that can be used as a pre-treatment for moisture measurement to sort out and remove impurities from grains, but it is possible to consistently process the various methods mentioned above to ensure labor-saving moisture measurement. The technology to achieve this remained unresolved.

Further, an electromagnetic valve body is provided in an opening provided on the side plate of the dryer so that it can be opened and closed by a solenoid, and the opening is connected to a moisture content detection section via a communication gutter, and a pair of JP-A-Sho's configuration includes a rubber roll for hulling, a fan for blowing off the rice hulls, a hull discharge port, and a crushing roller for crushing the fallen rice grains.
This is known as Publication No. 51-39267.
The solenoid is activated to flow out the paddy from the dryer to the moisture content detection part, the unhulled rice is removed by the rubber roll for hulling, and the paddy hulls are discharged from the removed material to the hull discharge port by the fan for blowing off the hulls. With,
The sorted and separated brown rice is crushed between crushing rollers, and the moisture content is detected by converting the electric resistance value. Because of this, the sample rice could not be reused and the grains were wasted.

The present invention is an improvement made in view of the above-mentioned problems, and includes installing a wind selection device in the flow path of grains flowing from the gutter end of a grain conveying gutter equipped with a vibration device to a sample container. , a sample retrieval port is provided in the sample container equipped with an outlet for discharging grains little by little from the bottom, and a sample tray provided in the moisture measuring device is freely inserted into and removed from the sample retrieval port via a rotating mechanism. With the structure installed in the top of the screen, grains are stably flowed down from the gutter end of the grain conveying gutter by the vibrating action of the vibrating device, and impurities mixed in the grains are sorted and removed by the wind sorting action of the wind sorting device. Then, the selected grains are fed into a sample container, and the grains are discharged from the sample container little by little to form a fluidized grain layer in the sample container. By inserting and removing the sample into the sample container through the sample outlet of the sample container, it is possible to measure the moisture content of a fixed number of carefully selected grains, and it is possible to accurately detect grain moisture without error. It is an object of the present invention to provide a moisture measuring device that can achieve labor saving by consistently processing the grain moisture measuring function and does not damage sample grains.

The present invention will be described with reference to examples. In FIG. 1, a grain feeding port 2 and a grain discharging port 3 are provided on one side of the upper part of a box-shaped machine frame 1, and a grain discharging port 3 is provided on the lower part, respectively, and a vibration device 5 is mounted on a fixed plate 4 mounted on one side of the upper part of the machine frame 1. A grain conveying gutter 6 with A blower 1 is provided with a branched grain board 9 mounted below the end of the gutter 6, and a cyclone 10 on the outside of the machine frame 1 provided with a suction window 8.
1 is installed, and the air supply window 7 and the air exhaust fan 11 are formed in the air selection device 13 via the air intake window 8 and the air intake path 12,
A grain flow path is formed in the wind selection device 13 to flow down from the gutter end of the grain conveying gutter 6 to the flow plate 9 communicating with the upper part of the sample container 14.

A discharge port 16 provided at the bottom of the sample container 14 mounted in the machine frame 1 is used to transfer the fluidized grain layer to the sample container 1 so that the grains are discharged little by little from the sample container 14.
4, and the sample container 14 has a sample outlet 17.
has been established. A moisture measuring device 18 is attached to the outside of the machine wall of the sample container 14, and the moisture measuring device 18 is provided with a moisture measuring section 21, and the sample receiving tray 20 is connected to the rotating mechanism 19 to open the sample outlet 17. It is provided so that it can be freely inserted into and removed from the sample container 14 via. The machine frame 1 has a grain outlet 23 opened in the wall of the grain tank 22 and a grain feeding port 2 communicating with the grain conveying trough 6, which are connected by a grain flow path 24. The inner wall surface 9A of the grain flow board 9 is inclined obliquely to the sample container 14 below, and an immature grain discharge passage 15 is formed below the outer wall surface 9B and communicates with the grain discharging port 3.

The operation of the above configuration will be explained below.

From the grain layer 22 through the grain flow path 24 to the grain conveying gutter 6
The sample grains flowing down flow on the surface of the grain conveying gutter 6 due to the vibration effect of the vibrating device 5, and flow down from the gutter end to the sample container 14 via the lower flow grain plate 9.
Meanwhile, in the flow path from the gutter end of the grain conveying gutter 6 to the grain flow board 9, foreign substances mixed in the fallen grains are removed by the suction action of the exhaust fan 11.
The air outside the machine frame 1 is sucked in by a wind force strong enough to blow away at least immature grains through the air supply window 7 to remove immature grains, branch grains, etc., and to sort out and remove impurities. The dust is sucked into the exhaust fan 11 through the air suction path 12 and removed from the cyclone 10 to the outside of the machine. The wind-sorted refined grains slide down the inner wall surface 9A of the flow grain plate 9, and impurities such as immature grains and branch kernels slide down the outer wall surface 9B of the immature grain discharge channel 1.
5 and is discharged to the threshing port 3.

The selected grains flowing down from the inner wall surface 9A of the flow grain plate 9 to the sample take-out port 14 are passed through the moisture measuring device 18 during the process of forming a storage-like grain layer from which the grains are discharged little by little from the sample take-out port 14. Sample tray 2 installed in
0 is operated by the rotation mechanism 19, and the sample tray 20
is inserted into and removed from the sample container 14 through the sample outlet 17 in the sample container 14, a certain number of selected grains in the sample container 14 are collected into the moisture measuring section 21, and the collected grain moisture is is measured and automatically displayed on a display (not shown).

What is shown in FIG. 2 is another embodiment of the sample supply device, in which a suction window 8 opened in the wall of the machine frame 1 and an exhaust fan 26 provided in the grain dryer A are connected via a suction passage 25. The grain drier A is attached to the grain drier A at the lower part of the machine frame 1. In this embodiment, it is not necessary to use the exhaust fan 11 and the cyclone 10 in the previous embodiment, and the exhaust fan 26 can be used in combination, which has the effect of simplifying the structure of the device and reducing manufacturing costs. Note that the other configurations and operations are the same as those of the previous embodiment, so the details will be omitted.

As explained above, according to the present invention, immature grains and branches mixed into the grains in the flow path of the grains that stably flow the grains down from the gutter end of the grain conveying gutter to the sample container. Impurities such as spiky grains are sorted and removed by a wind sorting device, and the selected grains are flowed down into a sample container, from which they are formed into a storage-like grain layer and discharged little by little. In the process of
Since a certain number of selected grains are collected from the sample container into the moisture measuring section of the moisture meter using a removably inserted sample tray, it is possible to display accurate moisture values without errors. This method achieves various effects such as being able to achieve labor saving by consistently processing the grain moisture measurement function and not damaging sample grains.

[Brief explanation of the drawing]

The drawings are illustrations of embodiments of the present invention. FIG. 1 is a side cross-sectional view of this device, and FIG. 2 is a side view of a grain dryer equipped with this device. DESCRIPTION OF SYMBOLS 1... Machine piece, 2... Grain feeding port, 3... Grain discharging port, 4... Fixed plate, 5... Vibration device, 6... Grain conveyance gutter, 7... Air supply window, 8... Wind suction window, 9... Grain flow plate, 9A...Inner wall surface,
9B... Outer wall surface, 10... Cyclone, 11... Ventilator, 12... Air suction path, 13... Air selection device, 14... Sample container, 15... Immature grain discharge channel, 16... Discharge port,
17... Sample extraction port, 18... Moisture measuring device, 19... Rotating mechanism, 20... Sample tray, 21... Moisture measuring section, 2
2... Grain tank, 23... Grain outlet, 24... Grain flow path, 2
5...Air suction path, 26...Exhaust fan, 27...Grain removal path, A...
Grain dryer.

Claims (1)

[Claims] 1. A sample container is mounted at the bottom of a grain transport gutter equipped with a vibration device, and a wind selection device is formed in the grain flow path flowing from the gutter end of the grain transport gutter to the sample container. , a sample retrieval port is provided in the sample container equipped with an outlet for discharging grains little by little from the bottom, and a sample tray provided in the moisture measuring device is freely inserted into and removed from the sample retrieval port via a rotating mechanism. A sample supply device for a moisture meter, characterized in that it is provided in a.