JPH0665378B2 - Continuous powder feeder for powder and granular material - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for continuously discharging and quantitatively supplying powder particles stored in a storage chamber / hopper.

[0002]

2. Description of the Related Art Conventionally, various types of devices have been used as a device for continuously supplying a small amount of powder from a container containing a relatively large amount of powder. However, in the conventional continuous quantitative supply device, the supply situation of the powder and granules is likely to fluctuate, and the quantitative supply performance is poor. That is,
It was difficult to keep the supply amount of the powder and granules constant, and the supply amount sometimes fluctuated greatly or was interrupted over time. For this reason, in the field where a highly accurate and stable continuous supply is required, the conventional continuous powder and granular material supply device is very inconvenient.

[0003]

The problem to be solved by the present invention is to provide a powdery or granular material continuous supply device which has a simple structure, is easy to use, has a stable supply condition, and is excellent in quantitative supply. To do.

[0004]

Means for Solving the Problems The gist of the present invention, which has solved the above problems, is as follows: 1) A powder / granule storage container is provided above a rotating disk having a groove for storing powder / granular particles on the surface thereof. The suction port for arranging the lower end opening of the body storage container close to or in contact with the surface near the same groove of the rotary disc, and for sucking by the negative pressure of air in the powder and granular material transport pipe provided above the rotary disc Is placed close to the same groove on the surface of the same turntable at a position different in phase from the front lower end opening. 2) A plurality of concave portions for accommodating the granular material are provided. A granular material storage container is provided above the rotating disk arranged in a circular shape on the surface, and the lower end opening of the granular material storage container is placed close to or in contact with the surface of the rotating disk near the recessed portion. The suction port for sucking with the negative pressure of the air of the powder and granular material conveying pipe provided above the rotary disc,
According to another aspect of the present invention, there is provided an apparatus for continuously supplying a fixed amount of powder and granular material, which is arranged in close proximity to the same recessed portion on the surface of the same rotary disk at a position different in phase from the opening at the lower end.

[0005]

In the continuous granular material supply device of the present invention, the powder or granular material in the powder or granular material storage container is discharged from the lower end opening of the powder or granular material storage container toward the surface of the rotary disk, and the rotary disk is rotated. It is stored in the groove of. Then, as the turntable rotates, only the powder in the groove is moved to the position of the suction port of the powder carrier pipe, and suctioned by the negative pressure of air. Is sucked up and transferred to another place through the inside of the powder and granular material transfer pipe.

In the powdery granular material continuous quantitative supply device of the present invention, since the lower end opening of the powdery granular material storage container is arranged close to or in contact with the surface of the rotary disk, the powdery granular material storage container The pressure due to the weight of the particles is shut off by the rotating disk.
Then, only the granular material contained in the groove on the surface of the rotary disk continuously rotates and moves with the rotation of the rotary disk,
It is sucked up from the suction port. That is, the same granular material,
It is filled into the groove without interruption, rotates without being adversely affected by the pressure due to the weight of the granular material, and is exhausted from the suction port without exception. Therefore, the supply amount of the powder or granular material does not fluctuate or break off, and the quantitative supply property is extremely good.

In the powdery granular material continuous quantitative supply device of the present invention, there is also a device in which a plurality of concave portions are arranged in a circular shape instead of the grooves on the surface of the rotating disk described above. The granular material is accommodated in the concave portion and is rotated and moved with the rotation of the rotary disk, and has the same function as the groove described above. The structure and operation of the other parts are the same as those of the above-mentioned powdery granular material continuous quantitative supply device.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a partially cutaway front view showing the first embodiment, FIG. 2 is a partially cutaway plan view showing the first embodiment, FIG. 3 is a partially cutaway perspective view of a rotating disk in the first embodiment, and FIG. FIG. 5 is a partially cutaway front view of FIG. 5, and FIG. 5 is a partially cutaway perspective view of the rotating disk in the second embodiment.

In the continuous granular material supply device 1 of the first embodiment, a granular material storage container 5 is provided above a rotary disk 4 having a groove 3 for accommodating the granular material 2 on the surface thereof to store the granular material. The lower end opening 6 of the container 5 is arranged in contact with the surface of the rotating disk 4 near the groove 3. Further, the suction port 8 of the powder and granular material conveying pipe 7 provided above the turntable 4 is arranged close to the groove 3 on the surface of the turntable 4 at a position different in phase from the lower end opening 6. The turntable 4 is adapted to be rotated by a motor 9. Air is pressure-fed into the powder-and-particles conveying pipe 7 from below, and a suction force by negative pressure of air is generated in the suction port 8 by the action of the jet nozzle 10.

In the continuous granular material supply device 1, the granular material 2 in the granular material storage container 5 is discharged from the lower end opening 6 toward the surface of the rotating disk 4 and accommodated in the groove 3. And turntable 4
With the rotation of, only the granular material 2 accommodated in the groove 3 moves to the position of the suction port 8 of the granular material transport pipe 7, is sucked up from the suction port 8 into the granular material transport pipe 7, and Transferred to place.

Since the lower end opening 6 is placed in contact with the surface of the rotary disk 4 in the continuous granular material feeder 1, the pressure due to the weight of the granular material 2 in the granular material storage container 5 is It is shut off by the turntable 4. Then, only the granular material 2 contained in the groove 3 is rotationally moved and sucked up from the suction port 8 which is sucked by the negative pressure of air. That is, the powdery particles 2 are filled in the groove 3 without interruption, rotate and move without being adversely affected by the pressure due to the weight of the powdery particles 2, and are discharged from the suction port 8 without exception. Therefore, the supply amount of the powder or granular material does not fluctuate or break off, and the quantitative supply property is extremely good. The structure is simple and easy to use. In addition, powder and granule continuous quantitative supply device 1
In the above, the lower end opening 6 is arranged in contact with the surface of the rotary disk 4, but the lower end opening 6 may be arranged close to the surface of the rotary disk 4.

In the continuous particulate material supply device 11 according to the second embodiment, a granular material storage container 14 is provided above a rotary disk 13 having a plurality of concave portions 12 for accommodating the granular material arranged in a circular shape on the surface. The lower end opening 15 is arranged in contact with the surface of the rotary disk 13 near the recess 12. Further, the suction port 17 of the powder / particle conveying pipe 16 provided above the turntable 13 is provided with a recess 12 on the surface of the turntable 13 at a position different in phase from the lower end opening 15.
It is placed close to. The lower end opening 15 is a recess 12.
It can also be placed close to a nearby surface.

In the powdery granular material continuous quantitative supply device 11 of the second embodiment, a plurality of recesses 12 are arranged instead of the grooves 3 on the surface of the rotary disk 4 of the first embodiment. Granules 18 in the recess 12
Is accommodated, is rotated with the rotation of the turntable 4, is sucked up from the suction port 17, and is transferred to another place through the inside of the powder and granular material transport pipe 16. The structure and operation of the other parts are the same as those of the powdery or granular material continuous quantitative supply device 1 of the first embodiment.

[0014]

Industrial Applicability According to the present invention, it is possible to provide a powdery or granular material continuous quantitative supply device which has a simple structure, is easy to use, has a stable supply state, and is excellent in quantitative supply ability.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view showing a first embodiment.

FIG. 2 is a partially cutaway plan view showing the first embodiment.

FIG. 3 is a partially cutaway perspective view of a rotating disk according to the first embodiment.

FIG. 4 is a partially cutaway front view showing a second embodiment.

FIG. 5 is a partially cutaway perspective view of a turntable according to a second embodiment.

[Explanation of symbols]

 1 powder and granules continuous quantitative supply device 2 powders and granules 3 groove 4 rotating plate 5 powder and granular material storage container 6 lower end opening 7 powder and granular material conveying pipe 8 suction port 9 motor 10 jet nozzle 11 powder and granular continuous quantitative supply device 12 Recessed portion 13 Rotating disk 14 Powder and granular material storage container 15 Lower end opening 16 Powder and granular material transfer pipe 17 Intake port 18 Powder and granular material

Claims (2)

[Claims] 1. A powder / granule storage container is provided above a rotating disk having a groove for storing the powder / granular material on its surface, and a lower end opening of the powder / granular material storage container is provided on the surface of the rotary disk near the groove. The suction port that is placed close to or in contact with, and is sucked by the negative pressure of the air of the powder and granular material transfer pipe provided above the rotary disk, and the surface of the rotary disk at a position different in phase from the front lower end opening. The continuous fixed-quantity supply device for powdery granules, which is arranged close to the groove. 2. A powdery or granular material storage container is provided above a rotating disk having a plurality of recesses for storing the powdery or granular material arranged in a circular shape on the surface,
Place the lower end opening of the granular material storage container close to or in contact with the surface near the concave part of the rotary disk, and suction by the negative pressure of air in the powder carrier pipe installed above the rotary disk. The continuous quantitative supply device for powdery granules, characterized in that the suction port is arranged close to the same concave portion of the surface of the rotary disc at a position different in phase from the front lower end opening.