JP3194065B2 - Residual grain discharge device in grain sorter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary sorting net for discharging swarf particles mixed in selected grains, and to lift and move the selected grains along the inner surface of the rotary sorting net. In a grain sorter comprising a sorting unit composed of a rotary spiral and a sorting unit, after the sorting operation is completed, the remaining particles in the rotary sorting net cylinder and on the rotary spiral are removed only by operating the shutter of the residual grain discharge port. The present invention relates to a device for discharging residual particles to a drain.

[0002]

2. Description of the Related Art A cereal sorter in which a rotary spiral is provided inside a vertical sorter cylinder, and the cereal to be sorted is lifted and moved by the rotary spiraler to sort and discharge refuse particles by the sorter net is, for example, a special sorter. Various types are known, as described in JP-A-60-202771.

[0003]

In this kind of cereal sorter, when the rotation of the rotary sorting net and the rotary spiral is stopped at the end of the sorting operation, the cereal remains in the sorting section. If the cereal remains in the sorting unit, the cereal may be mixed into the sorted cereal during the next sorting and the quality thereof may be impaired. In addition, if the grains remain in the sorting section for a long period of time beyond the season, the grains will be altered and solidified, causing inconveniences such as attachment to the rotating spiral and clogging of the sorting screen cylinder. Therefore, it is important that the residual cereal in the sorting section be completely discharged after each operation.

[0004] By the way, in this type of grain sorter, after completion of the operation, the rotary sorting net and the rotary spiral are rotated idle, and the remaining particles in the rotary sorting net and on the rotary spiral are shaken off. The shutter of the residual particle discharge port is opened to discharge the residual particles. However, since such a residual particle discharging operation requires two or more procedures, not only the operation of discharging the residual particle is complicated, but also the operation of simply opening the shutter of the residual particle discharging port is sometimes performed. hand,
There is an inconvenience of being left without discharging the remaining particles from the sorting unit.

SUMMARY OF THE INVENTION The present invention is intended to solve such a problem, and merely performs an operation of opening and closing a shutter of a residual particle discharge port to interrupt the rotation of a rotary sorting screen cylinder and a rotary spiral. In addition, the remaining particles in the sorting section can be completely discharged by the throwing action and the impact action by the intermittent rotation of the rotary sorting screen cylinder and the rotary spiral, and the discharge of the remaining grains can be reliably performed by simplifying the operation of discharging the remaining particles. It is an object of the present invention to provide an apparatus for discharging residual grains in a grain sorter which can be used.

[0006]

Means for Solving the Problems The present invention is constituted as follows as technical means for achieving the above object. That is, the first configuration includes a rotary sorting net that discharges debris mixed in the selected grains, a rotary spiral that lifts and moves the selected grains along the inner surface of the rotary sorting net. In the grain sorter provided with the sorter constituted by the above, a shutter that can be opened and closed freely provided at a residual grain discharge port that discharges residual grains in the rotary sorting net cylinder and on the rotary spiral after the sorting operation is completed, and a rotary sorting net A motor that rotates and drives the inside of the cylinder and the rotary spiral is linked so that the motor is operated when the shutter is opened and stopped when the shutter is closed.

[0007] In the second configuration, a rotary sorting net for discharging dust particles mixed in the selected grain, and the selected grain is lifted and moved along the inner surface of the rotary sorting net. In a grain sorter comprising a sorting unit composed of a rotating spiral and a circuit for rotatingly driving a rotating sorting net and a rotating spiral and a power supply for the same, a side for closing a power supply circuit of the motor and an intermittent operation. A changeover switch for closing the power supply circuit via a prescribed timer is provided, and this changeover switch is set to a freely openable shutter provided at a remnant particle discharge port for discharging remnant particles in the rotary selection screen cylinder and the rotary spiral after the selection operation is completed. The motor is interlocked so that the motor operates intermittently when the shutter is opened.

[0008]

According to the apparatus of the present invention, after the sorting operation is completed, the operation of opening and closing the shutter of the residual particle discharge port is repeated, so that when the shutter is opened, the rotary sorting screen cylinder and the rotary spiral are rotated, and the shutter is rotated. Rotation stops when is closed. Then, the residual particles in the sorting section are reliably discharged by the residual particle releasing action and the impact action by the intermittent rotation.

[0009] In particular, in the circuit of the motor for rotating and driving the rotary selection screen cylinder and the rotary spiral and its power supply, there is provided a changeover switch for closing the power supply circuit via the timer for defining the power supply circuit closing side and the intermittent operation. With the provision, only by the operation of opening the shutter of the residual particle discharge port, the rotating sorting net cylinder and the rotary spiral are intermittently rotated, and the residual particles of the sorting section are released by the residual particle releasing action and the impact action by the intermittent rotation. Emitted reliably.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. In FIGS. 1 and 2, reference numeral 1 denotes a sorting unit. The sorting unit 1 is provided with a rotary sorting net tube 3 provided inside an exterior body 2, and a rotary spiral body 4 inside the rotary sorting net tube 3. I have. The rotary spiral 4 is linked to a motor 6 via a lower speed reduction mechanism 5 and is driven to rotate by the motor 6. The rotation sorting net cylinder 3 is interlocked with a motor 6 via a speed reduction mechanism 7 and is driven to rotate at a lower speed and in a reverse direction than the rotary spiral 4.

At the lower position of the rotary sorting net cylinder 3, a feeding cylinder 8 for cereals to be sorted is fixed to the outer casing 2, and a feeding hopper 9 is connected to the feeding cylinder 8. Supply cylinder 8
Inside, the supply cylinder 10 which engages with the rotary selection screen cylinder 3 and rotates integrally is located. An inlet 11 for cereals to be sorted is provided at a lower portion of the supply cylinder 10. A guide wing 12 is formed on the outer periphery of the supply cylinder 10, and the supply hopper 9 is formed by the rotating supply cylinder 10 and the guide wing 12.
The cereals to be supplied supplied from are pushed down and guided from the inlet 11 to the inside. 13 is a fine powder discharge groove such as bran, 14
Is its outlet. Reference numeral 15 denotes an upper grain discharging blade, 16 denotes a dust particle receiving portion, and 17 denotes a dust particle discharging blade. Rotating screen 3
The debris scraped out by the debris discharge blade 17 rotating together with the debris is discharged from the debris discharge duct. Reference numeral 18 denotes a residual particle discharge port, 19 denotes a shutter that can be opened and closed, and 20 denotes a residual particle discharge duct. Reference numeral 21 denotes a tank for temporarily storing fine grains of sorted cereals, and reference numeral 22 denotes an outlet thereof. The outlet 22 is provided with an automatic opening / closing shutter. Reference numeral 23 denotes a weighing scale. The weighing scale 23 has a built-in load cell for converting weight into an electric signal. The weighing scale 23 is an outlet 22 of the tank 2.
And used below. 24 is a cereal storage bag.

A shutter 19 provided at the residual grain discharge port 18
Is openable and closable, and the contact is closed when a shutter 19 is pulled in the vicinity thereof to open the residual particle discharge port 18,
In addition, a limit switch 25 is provided which opens when the contact is pushed in to close the residual particle discharge port 18. The limit switch 25 forms the circuit shown in FIG. The shutter 19 may be opened and closed in the vertical direction as shown in FIG.
Is operated upward to open the residual particle discharge port 18, the limit switch 25 is closed. Other configurations are the same as those shown in FIG.

As shown in FIG. 3, reference numeral 26 denotes a power source, and the motor 6 for rotatingly driving the rotary sorting net cylinder 3 and the rotary spiral 4 is connected to the power source 26 via a motor switch 27. The limit switch 25 is connected in parallel with the motor switch 27.

FIG. 5 shows another example of the one shown in FIG. That is, in this other example, the limit switch 25 serves as a changeover switch, the normally closed contact side is interposed in the circuit between the motor 6 and the power supply 26, and the normally open contact side is connected to the motor via the timer 28. 6 and power supply 26
And is interposed in the circuit. The timer 28 operates to interrupt the circuit at regular intervals. According to this circuit configuration, the shutter 19 is pulled to release the residual grain discharge port 18.
Is opened, the motor 6 rotates intermittently, and the rotary sorting net cylinder 3 and the rotary spiral 4 are rotated intermittently.

In the circuit configuration shown in FIG. 3, when the operation of opening and closing the shutter 19 of the residual particle discharge port 18 is repeated after the end of the sorting operation, the motor 6 is operated intermittently, and the rotary sorting net cylinder 3 and the rotating Since the spiral 4 rotates intermittently,
The residual particles in the sorting section 1 are reliably discharged from the residual particle discharge port 18 by the residual particles releasing action and the impact action by the intermittent rotation.
In the circuit configuration shown in FIG. 5, after the sorting operation is completed, only the operation of opening the shutter 19 of the residual grain discharge port 18 is performed, and the motor 6 is operated intermittently at intervals specified by the timer 28 to perform the rotation sorting. Since the mesh cylinder 3 and the rotary helical body 4 rotate intermittently, similarly, the residual particles of the sorting unit 1 are reliably discharged from the residual particle discharge port 18 by the residual particle releasing action and the impact action due to the intermittent rotation.

During the sorting operation, the granules sorted by the sorting section 1 are supplied from the delivery port 22 of the tank 21 to the storage bag 2.
4, when the weight set in advance is detected by the weighing scale 23, automatic weighing control is performed so that the automatic shutter is automatically closed. The main body of the grain sorter is provided with a control device for automatic weighing, such as setting a weight value to be weighed, closing an automatic shutter of the grain outlet 22 when the set weight value is weighed by the weighing scale 23, and the like. .

[0017]

According to the present invention, by simply opening and closing the shutter of the residual particle discharge port, the rotation of the rotary sorting net and the rotary spiral is interrupted, and the residual particles of the sorting section are rotated and selected. In addition, it is possible to completely discharge the residual particles by the impact due to the intermittent rotation of the rotary spiral, and to obtain an effect that the residual particles can be reliably discharged by simplifying the operation of discharging the residual particles.

[Brief description of the drawings]

FIG. 1 is a sectional view of a grain sorter according to the present invention.

FIG. 2 is an enlarged sectional view of a main part of FIG.

FIG. 3 is a circuit diagram illustrating an example of a residual particle discharging device.

FIG. 4 is an enlarged sectional view of a main part showing another example of FIG. 1;

FIG. 5 is a circuit diagram showing another example of the residual particle discharging device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sorting part 3 Rotating sorting net cylinder 4 Rotating spiral 6 Motor 8 Sorting grain supply chamber 9 Supply hopper 10 Supply cylinder 18 Remaining particle discharge port 19 Shutter 20 Remaining particle discharge duct 25 Limit switch 26 Power supply 27 Motor switch 28 Timer

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A01F 25/00 B07B 1/00-1/62

Claims (2)

(57) [Claims] 1. A rotary sorting net for discharging dust particles mixed in a selected grain, and a rotary spiral body for lifting and moving the selected grain along the inner surface of the rotary sorting net. A cereal sorter comprising a sorting unit, comprising: an openable and closable shutter provided at a residual particle discharge port for discharging residual particles in the rotary sorting net cylinder and the rotary spiral after completion of the sorting operation; and A residual particle discharging device in a cereal sorter, wherein a motor that rotationally drives a rotary spiral is linked so that the motor is driven when a shutter is opened and stopped when the shutter is closed. 2. A rotary sorting net for discharging waste particles mixed in the selected grains, and a rotary spiral body for lifting and moving the selected grains along the inner surface of the rotary sorting net. In a grain sorter comprising a sorting unit, a rotary sorting net and a motor for rotating a rotating spiral and a motor and its power supply are connected via a timer that regulates an intermittent operation with a side that closes a power supply circuit of the motor. A changeover switch for closing the power supply circuit is provided, and the changeover switch is linked to a shutter that can be opened and closed freely provided in a remnant particle discharge port for discharging remnant particles in the rotary selection mesh cylinder and on the rotary spiral after the selection operation is completed. A residual grain discharging device in a grain sorter, wherein the motor is interlocked so as to operate intermittently during an opening operation.