JP2000105075A - Dry grain agitator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve a smooth movement of a support frame for supporting stirring screws even when the movement thereof is resisted. SOLUTION: A plurality of bins are arranged to receive and store grain and is supplied with drying air, while being each provided with an agitator so that the grains being supplied sequentially are nixed with those being dried or already dried to be gradually dried. A plurality of screws 21a and 21b for agitation are arranged longitudinally in a single bin and supported on moving frames 28a and 28b adapted to horizontally move support frames 23a and 23b, which are moved along a pair of right and left rails arranged longitudinally therealong. The grains are agitated by rotation. In this arrangement, the direction of horizontally moving the moving frames 28a and 28b are set opposite to each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dry grain stirring device.

[0002]

2. Description of the Related Art Conventionally, there is a technique described in, for example, Japanese Patent Application Laid-Open No. Hei 7-280442. However, in this embodiment, since the left and right stirring screws are supported by a single moving frame, although the left and right positional relationship does not change, resistance is added to the movement of the stirring screw, and therefore the support frame The situation may be shifted to the left and right, and the relationship between the rail and the roller may be deviated, or in extreme cases, the support frame may fall off the rail.

[0003]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned drawbacks, and has taken the following technical means. That is, a plurality of bins 11A, 11A... For receiving and storing grain are arranged, and the bins 11A, 11A. The cereals are mixed with dried cereals during drying or gradually dried, and a plurality of agitating screws 21a and 21b are arranged in a single bottle in a vertical direction. Are supported by moving frames 28a and 28b that move left and right, and the support frame 23 is configured to move along a pair of left and right rails 24 provided along the front and rear, and is configured to stir grains by rotation. , The left and right moving directions of the moving frames 28a and 28b are set to be opposite to each other.

[0004]

According to the present invention, since the agitating screws 21a and 21b are rotated while moving in a predetermined manner, they act to raise the bottom-side grains and stir up and down. Although it is difficult to move the support frame 23, the stirring screws 21a and 21b are provided in a pair on the left and right sides, and the moving frames 28a and 2
8b move in the left-right direction of the support frame 23 so as to be able to approach / separate from each other, the resistance in the support frame movement direction becomes substantially equal to the left and right, and the meandering state of the support frame 23 is avoided, and It does not cause a movement hindrance due to torsion, and a situation such as falling off.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings. Receiving place 2 provided with receiving hoppers 1, 1, ...
Are separated from other main facilities so as to form a passage in both sides of the receiving hoppers 1, 1.

A roughing machine 3 and a receiving / weighing machine 4 for receiving and measuring grains are connected to the receiving hopper 1 via a transport mechanism.
These are installed in close proximity to each other together with a screening machine 5 and a hulling plant 6 for receiving and receiving selected grains or dried grains, and are configured in the same building 10 as an operation room 7, an independent inspection room 8, a product storage room 9, and the like. Have been. A bin 11 for storage and drying is arranged in series in the building 10. In the present embodiment, one bin of about 50 tons is accommodated in the building 12 and three bins of the left and right A, B, and C series are housed in the building 12, for a total of 18 bins.

Each of the bins 11A, 11B, and 11C employs a rectangular bin having the same shape, the outer wall 11a is made of glass wool or the like as a heat insulating material, and the intermediate partitions 11b and 11c of the bins are ordinary walls. Using wood. Bin 1
The bottoms of 1A, 11B and 11C are in the form of a flat sweep floor 13 and the lower part thereof forms a ventilation space 14.

[0008] The building 1 of the bottles 11A, 11B and 11C.
2 A belt conveyor-type stowage conveyor 1 on the upper inside
Are provided in parallel, and the spaces above the bins in which these conveyors 15 are arranged are formed by heat-insulating sealing partitions 16 so as to form spaces at the center and left and right in the cross section. A floor 18 is stretched in the center compartment 17 and the compartment 17 can be used as an inspection passage. A chute (not shown) is attached to the bulkheads 16 and 16 for each of the bins 11A, 11B and 11C.
Are arranged. Reference numeral 19 denotes a flight conveyor which is provided so as to extend in the horizontal direction from a grain elevator discharge section so that grains can be supplied to the embedding conveyor 15. In addition, the above-mentioned conveyer 15 is configured to be able to supply grain to a predetermined bin by being controlled to move in the longitudinal direction.

With respect to the six bottles of the series A, two stirring screws 21a and 21b are provided for each bottle 11A.
Is provided. These screws 21a, 21b are provided with drive motors 22a, 22b, respectively.
The support frame 23 of the rail 21b is a rail 2 provided at the upper end of the bin 11.
It is configured to reciprocate back and forth along 4 and 24, and is configured to be able to stir the entire surface while moving a square bin into left and right in a zigzag or other predetermined pattern.

That is, the support frame 23 is formed by the left and right vertical frame portions 23.
a, 23a and front and rear horizontal frame portions 23 provided to connect them
The b, 23b and the like are rigidly formed as an integrated structure, and among them, the rotating shaft 25 is provided so as to link the vertical frame portions 23a, 23a to the left and right. Rollers 26, 2 are provided at the left and right ends of the rotating shaft 25.
6 and is guided by the rails 24 on the side wall of the bin. Reference numeral 27 denotes a forward / reverse rotation motor that rotates the rotary shaft 25 in forward / reverse rotation.

On the other hand, a moving frame 28a for supporting a first stirring device consisting of a pair of the stirring screw 21a and the driving motor 22a, and a second stirring device for supporting a first stirring device similarly consisting of a pair of the stirring screw 21b and the driving motor 22b. A movable frame 28b is mounted on the horizontal frame portions 23b, 23b of the support frame 23 formed on a rail so as to be able to reciprocate left and right. The moving frame 28a and the moving frame 28b
9a, 29b and dedicated forward / reverse rotation motors 30a, 30b reciprocate left and right independently of each other. The forward / reverse rotation motors 30a, 30b rotate forward and backward at predetermined time intervals.
In the configuration, the left half of the bottle 11A is agitated by the first agitating device and the right half is processed by the agitating device B while performing reverse switching.

The forward / reverse rotation motors 30a and 30b are
Although the drive is controlled by the operation output of the operation control unit described later, the rotation directions of the motors 30a and 30b are set to be opposite so that the moving frames 28a and 28b move in opposite directions. Regarding the first and second stirring devices, the moving frames 28a and 28b respectively have a rotating longitudinal axis 31.
The agitating screws 21a and 21b are detachably connected and rotatably connected below the agitating screws 21a and 21b. Pulleys 32a, 3 at the upper ends of the respective rotating longitudinal axes 31a, 31b
2b is configured to rotate in a fixed direction by the independent motors 22a and 22b.

In the above-described A series, a stirring screw is provided. However, in the B and C series, such a structure is not provided with a stirring screw, and a diffusion device is provided in the feeding section. Are discharge conveyors for discharge and rotation, which are in the form of a belt conveyor.
4, 14,... Are provided at positions facing the wind tunnel 35 for each series.

A blower room 36 is provided so as to be connected to the building 11 for the bins 11A, 11B, and 11C, and blowers 37, 37,... Are heating devices, and the blower 37 can supply hot air to the ventilation space 14 by operating the heating devices.
The operation room 7 includes an operation control unit 39, and includes an operation control mechanism and a setting input mechanism of each unit. As an input signal,
As the weighing signal of the receiving and weighing machine 4, the detection value signal of the later-described insertion amount detector, and the output signal, the motors 27, 30a, 3
0b and the respective drive signals to 22a and 22b are also included.

The bins are operated in such a manner that the weighing information from the receiving and weighing machine 4 is obtained and the amount of insertion for each bin 11 can be set arbitrarily. A type of drying mainly to obtain a relatively high drying loss rate by making the embedded grain into a thin layer. Stir and dry form to mix and agitate with new received grain that is stuck or added to the upper layer to advance drying, and short-term storage or drying of finished grain to hulling shipment in any of A, B, C series It is configured to be able to execute a storage mode for long-term storage.

Further, in each bottle 11A, the stirring screws 21a and 21b are configured to draw a predetermined pattern while approaching / separating from each other and to stir and mix the entire surface of the bottle 11A. An example of the pattern is as shown in FIG. The stirring screw can be moved in a zigzag manner by moving the support frame 23 and thus the moving frames 28a and 28b with respect to the rail.

At the left and right ends of the support frame 23, a contact type sensor 40 comprising an arm portion 40a as a contact and a potentiometer 40b is provided, and is provided in the longitudinal direction (X
, For example, the angle θ formed by the support frame 23 in the horizontal frame portion direction (Y direction). Angle θ
Is in a predetermined range from 90 degrees (90 ° + α ≦ θ ≦ 90 ° −
α), it is determined that the movement of the moving frame 23 with respect to the rail 24 is normal, and if it deviates from a predetermined range, it is determined that the support frame 23 is out of a predetermined angle with respect to the rail 24 and is in an abnormal state. Configuration.

When the abnormality is determined as described above, it is determined whether the left or right is ahead from the value of the read angle θ, and the rotation of the leading screw is stopped to correct the angle. It is preferable to confirm that the screw has returned to normal, and then drive the screw again. Reference numeral 41 denotes a plurality of circulation type grain dryers which are connected to a supply line from the receiving / weighing machine 4 and each of the A to C series discharge lines to supply grains. The discharged grains are stored in a hulling plant or a C-series bin 11C.

The operation of the above example will be described. The received high-moisture cereal passes through the receiving weighing machine 4 and the like, and is then sorted by a predetermined amount, and the bins B and C of the B or C series are arranged.
It is stuck inside. Here, the thin grains are dried at a relatively high loss rate by blowing. After one day or more, they are put together in one of empty bins 11B or 11C and drying is continued. Although the drying loss rate in the thin layer state cannot be obtained, drying is continued moderately, and when the water reaches the vicinity of the finish expected moisture, it is transferred to the empty bottle 11A of the A series. Here, freshly received cereal grains have already been loaded and are mixed with the dried cereals and dried. That is, the motor 27 and the motor 30
The moving frame 28a, 20b moves left and right while the supporting frame 23 moves back and forth by the a, 30b, thereby drawing a zigzag pattern in plan view, and the stirring screw 21 is moved.
a and 21b move, but at this time, the motors 22a and 2b
2b is also rotated to rotate the screws 21a and 21b, so that the grain is stirred to every corner, the grain having a difference in moisture is mixed, and the grain is dried to a predetermined moisture value by blowing from below.

By the way, the stirring screws 21a, 21b
Acts to raise the bottom-side grains while rotating while moving along a predetermined pattern to stir up and down, and thus resists movement of the support frame 23. However,
In the above-described embodiment, the stirring screws 21a and 21b are provided in a pair on the left and right, and the moving frames 28a and 28b that support these respectively independently move in the left-right direction of the support frame 23 so that they can approach and separate from each other. Therefore, the resistance in the support frame moving direction becomes substantially equal in the left and right directions, so that the meandering state of the support frame 23 is avoided, and the movement of the support frame 23 due to the twisting on the rail 24 and the dropping out of the rail are not caused.

In this embodiment, since the contact type sensor 40 is provided to detect the angle θ between the X direction and the Y direction, when the angle θ is in a predetermined range from 90 degrees, the rail is It is determined that the movement of the movable frame 23 with respect to
3 can be determined to be in an abnormal state in which the rail 3 deviates from the rail 24 by a predetermined angle. In the determination of this abnormality, the rotation of the screw on the leading side is stopped or the movement resistance is increased by approaching the wall. Thus, in order to prompt the moving frame 23 to return to the normal state, the stirring operation can be performed without interruption.

In the above-described embodiment, the helical shafts 29a and 29b are provided on the moving frames 28a and 28b of the first and second agitating devices, and the helical shafts 29a and 29b are independently interlocked with each other. By doubling and forming the right spiral in half and the left spiral in the remainder, the left and right moving frames can be moved in opposite directions by a single forward / reverse motor.

Further, by adopting a lead cam form instead of the spiral shaft, the rotation direction control of the interlocking motor can be eliminated.

[Brief description of the drawings]

FIG. 1 is a front sectional view of a main part.

FIG. 2 is a schematic flow chart of the apparatus.

FIG. 3 is a plan view of the entire facility.

FIG. 4 is a front sectional view of a bottle.

FIG. 5 is a side view of a bottle.

FIG. 6 is a plan view of a main part.

FIG. 7 is an example of a movement pattern.

FIG. 8 is an enlarged plan view of a rail portion.

FIG. 9 is a flowchart.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Receiving hopper, 2 ... Receiving place, 3 ... Rough selection machine, 4 ... Receiving weighing machine, 5 ... Selection machine, 6 ... Rice hulling plant, 7 ... Operation room, 8
... Independent inspection room, 9 ... Product storage, 10 ... Building, 11A, 1
1B, 11C: bottle, 12: building, 13: sweep floor, 14: ventilation space, 15: conveyor for consolidation, 16: partition for sealing, 17: compartment, 18: flooring, 19: flight conveyor, 21a , 21b ... stirring screw, 22a,
22b: drive motor, 23: support frame, 24: rail, 2
5: rotating shaft, 26: roller, 27: forward / reverse rotation motor, 28
... moving frame, 29 ... roller, 30 ... forward / reverse rotation motor, 31
a, 31b: rotating vertical axis, 32a, 32b: pulley, 34
... discharge conveyor, 35 ... wind tunnel, 36 ... blower room, 37 ...
Blower, 38 heating device, 39 operation control unit, 40 contact sensor, 41 circulating grain dryer

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3L113 AA07 AB03 AC01 AC20 AC42 AC58 AC67 BA03 4D043 AA02 BB02 BB13 JE04 JF03 JF08 JF10

Claims (1)

[Claims] 1. Bins 11A and 11 for receiving and storing grain.
A, a plurality of bins are provided, and the bins 11A, 11A are configured to supply drying air, and each bin is provided with a stirrer, and the cereals supplied sequentially are mixed with the cereals being dried or dried. And a plurality of agitating screws 21a and 21b are disposed in a single bottle in a vertical direction, and these screws are transferred to moving frames 28a and 28b for moving the supporting frame 23 left and right. The support frame 23 is configured to move along a pair of left and right rails 24 provided along the front and rear, and configured to stir the grains by rotation. A dry grain stirrer characterized in that directions are set to be opposite to each other.