JPH10213526A - Sample loader - Google Patents

Abstract

PROBLEM TO BE SOLVED: To maintain good working environment inside an operation room, with regard to a sample loader equipped in a grain drying facility, by keeping dust from being blown up around a sample box arranged inside the operation room when samples gathered in a sample hopper by a sampler are conveyed into a chamber by air conveyance and run down from there into the sample box through a transparent hose. SOLUTION: It is contrived to directly take out grain to a sample box 21 from a discharge opening 16 on the bottom of a chamber 13, which is for temporarily storing sample grain conveyed from a sample hopper 10 through a hose 11 by air conveyance, by arranging the chamber 13 inside an operation room 12 and providing a connecting opening 151 on the chamber 13 for connecting it to the suction opening of a blower 15 in a higher position than that of a connecting opening 110 to the hole 11, while the bottom wall of the chamber 13 is formed in an inclined wall inclining downward to the discharge opening 16 so that an air inflow passage from the discharge opening 16 to the connecting opening 151 can be formed on the upper surface side of the sample grain piled on the bottom wall of the chamber 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a grain drying facility for a grain drying facility when a grain (rice grain) harvested by a farmer is received by a grain drying facility of a cumulative mixing system such as a rice sensor of an agricultural cooperative. Exact weight ratio (drying ratio) and sizing ratio (ratio of swarf and fines) of each grain received by each farmer
The present invention relates to an improvement on a sample loader installed in a grain drying facility so as to sample a predetermined amount from received and weighed grains in order to determine the quality of a sampled grain by a quality test of sampled grains.

[0002]

2. Description of the Related Art A large grain drying facility installed as a rice center in an agricultural cooperative unit or the like usually receives the grains brought in by a farmer by a carrier T as shown in a diaphragm in FIG. A receiving hopper a, a roughing machine b for roughly selecting the grains received therein, a receiving and weighing machine c for weighing the roughly selected grains, and a weighing grain having a predetermined moisture value (1
Finish dryer d for drying to about 5%), a storage bin e for storing the dried grains, a preparation tank f for preparing and supplying the stored grains to the next step, and the supplied grains. A preparation device g for separating and preparing waste particles and fine granules by removing the same and a measuring tank h for measuring the finished waste particles and fine granules to produce products are connected in parallel by a grain transfer line and connected in parallel. Will be installed.

[0003] Then, the farmer receives the slips r which are weighed by the receiving and weighing machine c and processed by the computer m to output the receiving quantity when the grains are carried in by the transport vehicle T and received. Like that.

[0004] In this grain drying facility, the grains received from many farmers in the receiving hopper a are accumulated and mixed in the finisher d, and dried. It is necessary to specify a substantial quantity and quality in a dry state. For this purpose, the receiving weighing machine c is provided with a sampler j for sampling a part of the grain supplied thereto, and the sample loader W is provided to the sample loader W. A predetermined amount of the sample S is fed to the sample dryer K and dried to a predetermined moisture value (15%), and is then subjected to rice hulling to analyze the ratio of debris and fine particles. The data is supplied to a self-inspection device i to be inspected and subjected to an analytical inspection, and data transmitted therefrom is sent to a computer n to calculate a sizing rate and a weight rate.

[0005] As shown in FIG. 2, the sample loader W provided in the grain drying facility is connected to the sample hopper 10 for receiving the sample S collected by the sampler j from the receiving and weighing machine c, and the hose 11 is connected to the sample loader W. One end of the hose 11 is connected, and the other end of the hose 11 is connected to a grain passing chamber 13 mounted above the outside of the operation room 12. As shown in FIG. And a blower 15 through a filter 14 for blocking the transmission of rice grains.
A discharge port 16 is provided on the bottom side of the chamber 13, and is closed by a negative pressure in the chamber 13 when the blower 15 is turned on, and the chamber 13 is turned off when the blower 15 is turned off. A rubber valve V that opens when the negative pressure in the interior is released is provided, and a transparent hose 18 that extends downward is connected to the discharge port 16 and hangs down in the operation chamber 12, where the lower end thereof faces. A sample box 21 into which a detachable mesh bag 20 is inserted as shown in FIG. 4 or a sample box 21 without the mesh bag 20 as shown in FIG. Is placed, whereby the operator 22 operates the receiving and weighing operation panel 23 installed in the operation room 12,
When the load receiving and weighing machine c is operated and the sampler j is operated to collect a predetermined amount of the sample S into the sample hopper 10, the inside of the chamber 13 is maintained at a negative pressure by the operation of the blower 15, and the inside of the sample hopper 10 is The sample S in the chamber 13 flows down through the transparent hose 18 when the sample S is air-transferred into the chamber 13, the air transfer is completed, the operation of the blower 15 is completed, and the rubber valve V is opened. Thus, it is configured to be supplied into the sample box 21 on the gantry 19.

[0006]

The conventional sample loader W configured as described above transports the sample S received in the sample hopper 10 by the sampler j into the chamber 13 by air transport, and When the operation is stopped, the rubber valve 17 is opened, and when the sample S is poured into the sample box 21 via the transparent hose 18, the sample S flows down at one time, so that the sample S is contaminated with the kernel and enters the chamber 13. The dust accumulated together with the dust rises around the sample box 21, causing the operation room 12 to be full of dust, thereby deteriorating the working environment.

The present invention has been made in order to solve the above-mentioned problem that has occurred in the sample loader W installed in the conventional grain drying facility. The present invention has been made to solve the above problem. Is transported into the chamber 13 by air transport, and from there, flows down to the sample box 21 placed in the operation room 12 via the transparent hose 18, so that dust rises around the sample box 21. It is an object of the present invention to provide a new means for maintaining the working environment in the operation room 12 in a good condition.

[0008]

Means for Solving the Problems In the present invention, as a means for achieving the above-mentioned object, as a means for temporarily storing sample grains transported from a sample hopper 10 via a hose 11 by air transport. A chamber 13 is provided in the operation room 12 so that grains can be directly taken out from the outlet 16 at the bottom thereof into the sample box 21, and a connection port 151 for connecting to a suction port of the blower 15 is provided. The chamber 13 is installed at a position higher than the connection port 110 with the hose 11, and the bottom wall of the chamber 13 is directed from the discharge port 16 to the connection port 151 on the upper surface side of the sample kernel deposited thereon. A sample loader characterized by being formed on an inclined wall 131 which is inclined downward toward the discharge port 16 so that an air inflow path Y is formed.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the means of the present invention, a sample S taken out of a receiving and weighing machine c into a sample hopper 10 by a sampler j is transported to a sample box 21 placed in an operation room 12 by a sample. Air is conveyed to the hose 11 connected to the hopper 10 using compressed air generated by the operation of the blower 15, and a chamber 13 for temporarily storing the grains to be transferred is provided in an operation room as in the conventional means. Instead of being located above the ceiling of the chamber 12, it is located in the operating room 12, whereby the height of the outlet 16 provided at the bottom of the chamber 13 is determined by the sample receiving the grains discharged therefrom. When the grains are poured into the sample box 21 from the outlet 16 so as to correspond to the height position of the box 21, there is no impetus for dust to soar up.

A connection port 110 provided for connecting a hose 11 for feeding grains by air conveyance to the chamber 13 and a connection port 151 provided for connecting to a suction port of the blower 15 are provided in the chamber 13. The connection port 110 is provided so as to open into the chamber 13 at a position lower than the connection port 151, whereby the air in the chamber 13 is sucked by the blower 15 to create a negative pressure. Air is sucked into the chamber 13 through the hose 11, and the grains are sucked by the suction air into the chamber 13.
When transported into the inside, the kernel G and the air A are separated vertically, the kernel G falls toward the bottom of the chamber 13, and only the air A is sucked into the blower 15 from the connection port 151. I do.

An outlet 16 at the bottom of the chamber 13
The shutter 17 installed in the outlet 1 is opened or closed manually or electrically, and is opened and operated to open and close the outlet 1.
6, the grain G is caused to flow out. At this time, the suction operation of the blower 15 is performed continuously.
The air around the outlet 16 flows from the outlet 16 to the chamber 1.
3 so as to be sucked.

When the shutter 17 is opened and the grain G flows out from the discharge port 16, external air is discharged to the upper surface side of the flow of the grain G when the shutter 17 is opened. An air inflow path Y that flows into the chamber 13 from the outlet 16 is formed so that the dust contained in the grains G is sucked and removed toward the blower 15.

[0013]

Next, an embodiment will be described in detail with reference to the drawings. In the drawings, the same reference numerals are used for components having the same effects as those of the conventional means.

FIG. 6 is a partially cut-away side view of the entire sample loader W for implementing the means of the present invention. In FIG. 6, c is a receiving weighing machine, j is a sampler attached thereto, 1
2 is an operation room, 10 is a sample hopper, 11 is a hose for conveying grains connected to the sample hopper 10, and 13 is inside the operation room 12 for temporarily storing grains conveyed by the hose 11 by air. The installed chamber, 15 is a blower that sucks air in the chamber 13 and conveys the grains into the chamber 13 from the sample hopper 10 through the hose 11 by a negative pressure, and 150 is suction of the blower 15 A suction hose for connecting the opening to the chamber 13, 16 denotes an outlet provided at the bottom of the chamber 13, and 17 denotes a shutter provided at the outlet 16.

The chamber 13 provided in the operation room 12 has a connection port 110 for connecting a tip end of a hose 11 for conveying the grains air, and a connection port 151 for connecting to a suction port of the blower 15. As shown in FIG. 7, they are installed at a position close to the upper part of the trunk wall 130 of the chamber 13 at the connection port 110, and are installed at the connection port 151. Is a portion of the body peripheral wall of the chamber 13 that is close to the connection port 110 on the same side as the portion where the connection port 110 is opened, and a portion that is closer to the top of the chamber 13 at a position higher than the connection port 110. It is installed.

In the discharge port 16 provided at the bottom of the chamber 13, the bottom wall of the chamber 13 is moved from the side of the body peripheral wall 130 where the connection port 110 is provided to the connection port 1.
10 is formed on an inclined wall 131 which is inclined downward toward the side opposite to the side where the 10 is provided.
It is installed to be opened to the outside.

The shutter 17 for opening and closing the discharge port 16 is provided so as to open and rotate about a fulcrum 171 provided on the upper edge side of the discharge port 16 by manually operating the operation unit 170. Further, it is urged toward the closing side by a spring 172.

The shutter 17 is turned on and off by a switch.
There is a case where it is of an electric type that opens and closes and turns by the operation of a solenoid by an off operation.

The above-described inclined wall 13 at the bottom of the chamber 13
1 is that when the shutter 17 is closed and the grain G is thrown into the chamber 13 from the connection port 110 as shown in FIG. 7 by the operation of the blower 15, the grain G is accumulated in an oblique accumulation state. When the shutter 17 is opened as shown in FIG. 8, the accumulated grains are caused to flow down toward the discharge port 16 so as to sequentially collapse from the inclined end, and the flow of the grains flowing out at this time is reduced. Outlet 1 on the top side
6 is provided to form an air inflow path Y through which air flows into the chamber 13, and has an inclination angle of about 45 degrees.
On the upper surface side of the grain layer that accumulates and accumulates on the upper surface 1, it is formed wide vertically so as to form the aforementioned air inflow path Y.

A blower 15 for sucking air in the chamber 13 and a connection port 151 for suction in the chamber 13 are provided.
Means that the blower 15 is disposed outside the operation room 12 and the suction port and the connection port 151 thereof are connected by a suction hose 150 so that the blower 15 is connected.
Is opened to the outside air outside the operation room 12.

The blower 15 may be arranged in a space below the chamber 13 which is supported on the gantry 19. In this case, an exhaust hose is connected to the air outlet 152 and led out of the operation room 12.

In the illustrated embodiment, reference numeral 21 denotes a sample box held by an operator 22 and 23 denotes an operation room 1
A receiving / weighing operation panel 24 installed in the inside 2 is a counter provided at the window of the operation room 12.

[0023]

As described above, the sample loader W in the grain drying facility according to the present invention uses the blower 15
The chamber 1 temporarily stores grains transported by air from the sample hopper 10 via the hose 11 by the operation of
3 is disposed in the operation room 12, and the discharge port 16 of the sample box 2 is held by the operator 23 in the operation room 12 by hand.
1 and the sampled grains are allowed to flow directly into the sample box 21 from the discharge port 16 thereof, so that the sample grains 21 are not impacted so as to cause dust to fly up into the sample box 21. When the grain is taken out from the discharge port 16 into the sample box 21 by opening the shutter 17, the grain is deposited obliquely on the inclined wall 131 at the bottom of the chamber 13 according to the inclination thereof. The accumulated grains G flow out of the outlet 16 in a state where the air inflow path Y is formed on the upper surface side of the grain G, and the air near the outlet 16 is discharged by the suction operation of the blower 15. Since the sample is sucked into the chamber 13 through the sample 16, it is possible to take out the sample into the sample box 21 while maintaining a good working environment in the operation room 12 with almost no generation of dust.

[Brief description of the drawings]

FIG. 1 is an overall development explanatory view of a grain drying facility incorporating a sample loader.

FIG. 2 is a partially cutaway side view of the sample loader of the facility.

FIG. 3 is a vertical sectional side view of a sample bar of the sample loader.

FIG. 4 is a perspective view of a sample box for receiving a sample to be taken out from an outlet of the chamber.

FIG. 5 is a perspective view of another example of the sample box.

FIG. 6 is a partially cutaway side view of a sample loader embodying the present invention.

FIG. 7 is a vertical sectional side view of a chamber of the sample loader.

FIG. 8 is a vertical sectional side view in a state where a shutter of the same chamber is opened to take out a grain.

[Explanation of symbols]

A: air, G: grain, K: sample dryer, S:
Sample, T: grain carrier, V: rubber valve, W: sample loader, Y: air inflow path, a: receiving hopper, b
... roughing machine, c ... load measuring machine, d ... finishing dryer, e ... storage bin, f ... preparation tank, g ... preparation device, h ... measuring tank, i ... self-inspection device, j ... sampler, mn ... computer, r ... slip, 10 ... sample hopper, 11 ... hose, 110 ... connection port, 12 ... operation room, 13 ... chamber, 130 ... body peripheral wall, 131 ... inclined wall, 14 ... filter, 15 ... blower, 150 ... Suction hose, 151 connection port, 152 outlet port, 16 outlet port, 17 shutter, 170 operating section, 171 fulcrum, 172 spring, 1
8 ... Transparent hose, 19 ... Stand, 20 ... Mesh bag, 21 ... Sample box, 22 ... Operator, 23 ... Loading and weighing operation panel,
24 ... Counter.

Claims (1)

[Claims] 1. A chamber 13 for temporarily storing sample grains conveyed from a sample hopper 10 via a hose 11 by air conveyance is provided in an operation room 12, and a discharge port 16 at the bottom thereof is provided. From the sample box 21
And a connection port 151 for connection with the suction port of the blower 15 is provided at a position higher than the connection port 110 for connection to the hose 11, and the bottom wall of the chamber 13 is connected to the connection port 151. A sample characterized in that it is formed on an inclined wall 131 that is inclined downward toward the discharge port 16 so that an air inflow path Y from the discharge port 16 to the connection port 151 is formed on the upper surface side of the sample grain deposited thereon. Loader.