JP2004037329A - Metering device of powder granular material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a metering device of powder granular material usable effectively as a metering device serving simultaneously as a transport pipe by being incorporated into a powder-and-grain transport system used widely at present. <P>SOLUTION: Since the powder-and-grain transport system is organized by connecting a powder-and-grain outlet of a metering vessel of another metering device to a second opening 9, after discharge of the powder and grain in a metering vessel 17 is finished, a slide plate 13 is remained as it is, and the powder and grain is filled into the metering vessel of another metering device. Then, a gas flow from the second opening 9 toward a first opening 30 is generated, and thereby the powder and grain in the metering vessel of another metering device can be transported to a prescribed place through the illustrated metering vessel 17. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an apparatus for measuring a granular material.
[0002]
[Object of the invention]
An object of the present invention is to provide a weighing device for a granular material that can be effectively used as a weighing device that also serves as a transport pipe by being incorporated into a currently widely used granular material transport system. is there.
[0003]
[Means for achieving the above object]
The present invention employs the following means to achieve the above object.
(1) The invention according to claim 1 is a slide having a substrate having an inlet vertically penetrating therethrough and the second opening, and a through hole vertically penetratingly provided on a lower surface of the substrate so as to be movable horizontally. A plate and a weighing container having an edge of an upper end opening fixed to an edge of a through hole of the slide plate, and the weighing container has a variable internal capacity and a first opening at a lower portion. The slide plate is movable between a position where the through hole is overlapped with the entrance of the substrate and a position where the through hole is overlapped with the first opening of the substrate, and the slide plate is provided with the through hole overlapped with the first opening of the substrate. The entrance is closed.
{Circle over (2)} The invention of claim 2 is the one according to claim 1, wherein a powder outlet is formed at a lower portion of the measuring container, and the powder outlet is openable and closable by a closing member.
[0004]
【The invention's effect】
(1) According to the invention of claim 1, by generating a gas flow from the second opening toward the first opening, it is possible to discharge the powdery material in the measuring container from the first opening, By generating a gas flow from the first opening toward the second opening, the powdery material in the measuring container can be discharged from the second opening. Therefore, the weighing container itself can be used as a part of the transportation pipe of the granular material, so that the weighing container can be effectively incorporated as a weighing device that also functions as a transportation pipe by incorporating the weighing container into a currently widely used granular material transport system. I can do it.
(2) According to the second aspect of the present invention, by opening the granular material discharge port, the granular material can be discharged from the granular material discharge port, so that the weight of the granular material measured in the measuring container Etc. can be easily measured and confirmed.
[0005]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described.
A vertical guide cylinder 3 is connected to the outlet 2 of the storage hopper 1 for storing the granular material, and a measuring device 6 is attached to a lower end of the guide cylinder 3.
[0006]
The weighing device 6 includes an inlet 8 (a peripheral edge of the inlet 8 is connected to a lower end of the guide tube 3) and a second opening 9 (the first opening 30 will be described later in detail). A slide plate 13 provided on the lower surface of the substrate 7 so as to be horizontally movable (movable left and right in FIG. 1) by the action of the guide member 11 and having a through hole 14 penetrating in a vertical direction; The slide plate 13 has a weighing container 17 in which an edge of an upper end opening 18 is fixed to an edge of the through hole 14.
[0007]
The weighing container 17 has an upper cylinder 21 having an upper end opening 18 whose axis is directed vertically, and a lower member 22 provided in the upper cylinder 21 so as to be vertically adjustable.
[0008]
The lower member 22 includes a cylindrical portion 22a having an axial center directed vertically, and a bottomed inclined cylindrical portion 22b connected to a lower end of the cylindrical portion 22a and having an inclined upper portion and an open upper portion. are doing. A through-hole 28 is formed in the side peripheral wall of the inclined cylindrical portion 22b, and an upward short cylinder 29 is connected to the through-hole 28, and an upper end opening of the short cylinder 29 is a first opening 30.
[0009]
By devising the angle of inclination (angle α in FIG. 1) of the inclined cylindrical portion 22 b in consideration of the angle of repose of the granular material or the like, a part of the granular material that has entered the measuring container 17 is placed in the short cylinder 29. It is possible to prevent the protrusion or protrude from the protrusion so that the protrusion amount is substantially determined. Under such circumstances, the measuring container 17 functions as a measuring container.
[0010]
A screw hole 23 having a horizontal axis is formed in the upper part of the lower member 22. A screw 24 is screwed into the screw hole 23, and the tip of the screw 24 is pressed against the upper cylinder 21, whereby the lower member 22 is pressed. Are fixed to the upper cylinder 21. On the other hand, by loosening the screw 24, the lower member 22 can move up and down. An annular groove is formed on the outer peripheral surface of the upper cylinder 21 at predetermined intervals in the height direction so that the tip of the screw 24 fits into the annular groove so that the lower member 22 is more securely fixed. It may be.
[0011]
The slide plate 13 is movable between a position where the through-hole 14 overlaps the entrance 8 of the substrate 7 and a position where the through-hole 14 overlaps the second opening 9 of the substrate 7. The entrance 8 of the substrate 7 is closed in a state where the substrate 7 is overlapped. The slide plate 13 is adapted to be operated by a known actuator 15 such as a hydraulic cylinder.
[0012]
In the present embodiment, the granular material in the measuring container 17 is made to exit from the first opening 30, and the granular material sent from the gas or another measuring device (not shown) from the second opening 9. Another measuring device, transport pipe, gas pump (not shown) and the like are connected so that the body enters.
[0013]
Next, a first operation of the embodiment will be described.
First, the height position of the lower member 22 with respect to the upper cylinder 21 is adjusted to set the internal capacity of the measuring container 17 to a set value.
Then, after the storage hopper 1 is filled with the granular material, when the through hole 14 of the slide plate 13 is overlapped with the inlet 8, the granular material flows into the measuring container 17, and the inside of the measuring container 17 is filled with the granular material. It is.
After that, the slide plate 13 is slid so that the through hole 14 is overlapped with the second opening 9 of the substrate 7. By this operation, the inlet 8 is closed, and at the same time, the powdery material up to the upper end of the through hole 14 of the slide plate 13 is moved to the second opening 9 side in a form measured by the measuring container 17.
Thereafter, if a gas flow from the second opening 9 to the first opening 30 is generated, the granular material in the measuring container 17 is discharged from the first opening 30 and sent to a predetermined place.
Thereafter, the slide plate 13 moves to a position where the through hole 14 overlaps the entrance 8 again.
Hereinafter, the same operation is performed.
[0014]
Next, a second operation of the embodiment will be described.
Since the granular material transport system is constructed by connecting the granular material outlet of the measuring container of another measuring device to the second opening 9, after the discharge of the granular material in the measuring container 17 is completed, the slide plate 13 is held as it is, a powder container is filled in a measuring container of another measuring device, and then a gas flow from the second opening 9 to the first opening 30 is generated. The granular material in the measuring container can be transported to a predetermined place via the measuring container 17 shown in the figure. In short, the measuring container 17 can be used as a part of the transport pipe.
[0015]
[Modifications]
A description will be given below of modified examples and the like.
(1) The powders and granules include powders, granules, fine flakes, short fiber pieces, slivers and the like.
(2) The method of using the weighing device 6 is arbitrary.
(3) The structure of the measuring container is arbitrary as long as the internal capacity is variable.
(4) In the case of a granular material having a large apparent density, the granular material can be smoothly discharged by discharging the granular material from the lower first opening 30. On the other hand, in the case of a powder having a small apparent density, the powder may be discharged from the second opening 9. Note that even in the case of a powder having a large apparent density, it is not impossible to discharge the powder from the second opening 9 by increasing the flow velocity of the gas.
(5) A downward-facing powder / particle discharge port may be formed at the lower part of the measuring container 17, and this powder / particle discharge port may be closed and opened by a closing member. In this way, the granular material can be discharged from the granular material discharge port by opening the granular material discharge port, so that the weight of the granular material measured in the measuring container can be easily measured. You can check.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a main part showing an embodiment of the present invention.
FIG. 2 is a sectional view taken along line II-II of FIG.
[Explanation of symbols]
6 Measuring device 7 Substrate 8 Inlet 9 Second opening 13 Slide plate 14 Through hole 17 Measuring container 18 Upper opening 30 First opening

Claims (2)

A substrate having an inlet vertically penetrating therethrough and a second opening, a slide plate provided in a lower surface of the substrate so as to be horizontally movable and having a through hole vertically penetrating therethrough, A weighing container having an upper end opening fixed at an edge thereof, the weighing container having a variable internal capacity, a first opening at a lower portion, and the slide plate having a through hole. Powder particles which are movable between a position overlapping the substrate entrance and a position overlapping the first opening of the substrate, and which close the entrance of the substrate with the through-hole overlapping the first opening of the substrate. Body weighing device. 2. The powdery and granular material measuring device according to claim 1, wherein a powdery and granular material discharge port is formed at a lower portion of the measuring container, and the powdery and granular material discharge port is openable and closable by a closing member.

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