JPH0433509B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic sorting adjustment device in a grain sorting machine.

That is, in a grain sorting machine in which a receiving gutter with a gate valve connected to the side is installed inside the upper and lower pot-hole rotary sorting barrels that communicate with each other, conventionally,
Without constant monitoring and adjustment, the feed rate may result in too much grain being received in the upper rotary sorting drum's trough and less feed to the lower rotary sorting drum, resulting in poor sorting accuracy in the lower rotary sorting drum. There were some drawbacks that led to the decline.

The present invention solves this drawback by detecting the flow rate from the upper rotating sorting cylinder to the lower rotating sorting cylinder by means of a sensing valve, and automatically and accurately adjusting the gate valve in the upper rotating sorting cylinder. The present invention provides a system in which the flow rate into the lower sorting cylinder is stabilized so that the sorting can be carried out with high accuracy, and the structure is simple and can be suitably carried out.

Next, the embodiment shown in the drawings will be described.

FIG. 1 shows a cross-sectional view of the rice hulling sorter, and the lower part shows a mixed rice conveyor 9 communicating with an elevator 8, a finished rice conveyor 11 communicating with a finished rice thrower 10,
Equipped with a wind selection box C equipped with a suction dust extractor 12, etc.
A husking machine D equipped with a hopper 13, both derowing machines 14, etc. is installed above one end of the winnowing box C, and the structure is similar to the conventional structure.

In addition, a grain sorting machine E is installed above the other end of the wind sorting box C.
The grain sorting machine E is equipped with rotary sorting cylinders A, a which are rotatably installed at the top and bottom of a case 15, each having numerous pot holes 1 on the inner peripheral surface, and an upper rotary sorting cylinder A. The terminal end side B is installed so as to communicate with the hopper 13, and the receiving troughs 4, 19 and the supply trough 20, in which the spiral conveyors 16, 17, and 18 are respectively mounted, are installed inside the rotary sorting cylinder A. , supply gutter 2
One end side of 0 is a tank 21 that communicates with the elevator 8.
The other end side is installed so as to open inward on the starting end side of the rotary sorting cylinder A, and gate valves 2 and 22 are installed on the sides of the receiving troughs 4 and 19, which are in the upper and lower positions, respectively. The gutter 6 is installed so as to be rotatable, and the lower part of the gutter 6 communicating with the terminal end side of the receiving gutter 19 communicates with the inner side of the starting end side a of the lower rotary sorting cylinder a,
The rotary sorting cylinder a is installed so that its terminal end 2 communicates with the mixed rice conveyor 9 side, and a spiral conveyor 23 is mounted inside the rotary sorting cylinder a, and a gate valve 3 is connected to the side. The lower part of the gutter 4 that communicates with the terminal end of the gutter 4 is connected to the gutter 5.
The receiving gutter 5 is connected to one end thereof, and the other end of the receiving gutter 5 is connected to the finished rice conveyor 11 side, so that the structure is similar to the conventional structure.

A sensing valve 7 is installed in the inner lower part of the rotary sorting cylinder a on the starting end side A so that its lower surface contacts the mixed rice and rotates in the vertical direction according to the amount of mixed rice. One end of the valve 7 is fixed to a support shaft 25, and a link mechanism B is provided between the end of the support shaft 25 protruding outward from the case 15 and the outer end of the rotation support shaft 26 of the gate valve 2. However, the link mechanism B includes an arm 27 fixed to the outer end of the support shaft 25 and an arm 28 fixed to the outer end of the rotation support shaft 26, and a link 30 with a turnbuckle 29 interposed therebetween. The arm 27 is connected with a weak spring 31.

Further, transparent plates 32 and 33 are respectively stretched outside the gate valve 2 and outside the sensing valve 7 so as to be visible from the outside.

Note that the sensing valve 7 is placed halfway inside the gutter 6,
It is constructed so that it rotates in contact with the falling grains,
It can also be configured to be connected to the gate valve 2 via a link mechanism.

Therefore, during work, hulling and sorting will be performed in the same way as in the past, and when mixed rice is supplied from the supply gutter 20 to the inside of the starting end side of the rotary sorting cylinder A,
With the grains engaged in the pot hole 1 of the rotary sorting cylinder A rotating as shown by the arrow H, the grains are lifted up as shown by the arrow H to be partitioned by the gate valves 22 and 2 into the receiving trough 19. Mixed rice is received in the receiving trough 4, finished rice is received in the receiving trough 4, and the paddy remaining in the rotary sorting cylinder A is sent to the huller D and removed again.
The mixed rice in the receiving trough 19 is sent to the lower rotary sorting cylinder a and sorted in the same manner as described above, and the mixed rice remaining in the rotary sorting cylinder a is sent from the end side d to the mixed rice conveyor 9 side and sorted again. Therefore, the finished rice received in the receiving gutter 5 is transferred from the receiving gutter 4 to the gutter 24.
It joins the finished rice that falls through the rice crackers and is sent out.
The finished rice will be taken out by the thrower 10.

In that case, if the relative positions of the gate valve 2 and the sensing valve 7 are set in advance by operating the turnbuckle 29, the supply is supplied from inside the rotary sorting cylinder A through the gutter 6 to the starting end side A of the rotary sorting cylinder a. When the mixed rice begins to be sorted, the sensing valve 7 is placed above the mixed rice.
are in contact with each other as shown in FIG. It is automatically adjusted to rotate around the rotation support shaft 26 and change the inclination as shown in FIG.

In other words, if the flow rate in the lower rotary sorting cylinder A is small, the upper rotary sorting cylinder A
This means that it is possible to adjust the inner side of , and conversely, it can be adjusted so that it increases or decreases.

In this way, the present invention has gate valves 2, 3 on the sides inside the upper and lower pot-hole type double rotary sorting cylinders A, a that communicate with each other.
In a grain sorting machine constructed by respectively constructing receiving troughs 4 and 5 in which A sensing valve 7 for detecting the amount of grain is rotatably installed inside the starting end side (a) of the rotary sorting cylinder a, and the upper rotary sorting cylinder A is connected to the upper rotary sorting cylinder A via a link mechanism B or a wire mechanism linked to the sensing valve 7 Since the gate valves 2 in the inner part are configured to be connected in series so as to change the inclination, the flow rate flowing into the lower rotary sorting cylinder a can be detected by the sensing valve 7 without monitoring and adjusting the flow rate and accuracy as in the conventional case. To accurately adjust the flow rate to a rotary sorting cylinder a while detecting and automatically adjusting a gate valve 2, and to perform accurate sorting by stabilizing the flow rate into a lower sorting cylinder a. It has the advantage of being able to be implemented conveniently with a simple structure.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, and FIG. 1 is a cross-sectional view of a rice huller sorter, FIG. 2 is an enlarged view of a part thereof, FIG. 3 is a right side view of FIG. 2, and FIG. 2 is a partial vertical sectional view of FIG. 2, and FIG. 5 is an explanatory view of the operation of FIG. 4. 1... Pot hole, A, a... Rotating sorting cylinder, 2, 3...
...Gate valve, 4, 5... Receiving gutter, 6... Gutter, A... Start end side, 7... Sensing valve, B... Link mechanism.

Claims (1)

[Claims] 1. Inside the communicating upper and lower bottle-hole type double rotary sorting cylinders A, a, there is a receiving gutter 4, which has gate valves 2, 3 connected to the sides.
In a grain sorting machine constructed by installing two rotary sorting cylinders 5 and 5, the gutter 6 is connected between the upper rotary sorting cylinder A and the lower rotary sorting cylinder a, or the starting end side of the lower rotary sorting cylinder a. A sensing valve 7 for detecting the amount of grain is rotatably installed inside, and the gate valve 2 in the upper rotating sorting cylinder A is tilted via a link mechanism B or a wire mechanism linked to the sensing valve 7. An automatic sorting and adjusting device characterized in that the automatic sorting and adjusting device is configured to be linked and successively changed.