JP2002037449A - Powder and grain sucking and transfer apparatus and powder and grain sucking and transfer working vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate handling of powder and grain in accumulating the powder and grain in a powder and grain tank and afterwards by preventing dust from being sucked in a vacuum generating source such as a vacuum pump when powder and grain are accumulated in a tank and preventing clogging of a filter. SOLUTION: A dust collecting chamber 6 having an opening part 4 communicating with the inside of an air-tight tank 1 and a damper 5 at the bottom is provided in the interior of the air-tight tank 1 having an inlet pipe 2 opened to the upper side of the interior and a discharge pipe 3 opened to the lower side of the interior, and an intake pipe 8 is connected to the dust collecting chamber 6 with a filter 7 interposed in a space up to the opening part 4. A jet orifice 14 for pressurized air directed toward the top face of the filter 7 is provided in the dust collecting chamber 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a granular material suction and transfer device for performing suction and transfer of various types of powder and granular material, and a powder and granular material suction and transfer work vehicle equipped with the granular material suction and transfer device.

[0002]

SUMMARY OF THE INVENTION The present invention relates to a powder / granule suction / transfer device and a powder / granule suction / transfer work vehicle equipped with the powder / granule suction / transfer device, which are used for powder / particle suction transfer. Prevents dust from being sucked into the vacuum source such as a vacuum pump during accumulation in the granular tank, and eliminates or prevents clogging of the filter. It is intended to facilitate the handling of granules.

[0003]

According to a first aspect of the present invention, there is provided an airtight tank having a suction pipe opening upward inside and a discharge pipe opening downward inside, an opening communicating with the inside of the airtight tank, A dust suction chamber having a dust collecting chamber having a damper at a bottom portion, and an intake pipe connected to the dust collecting chamber with a filter interposed between the dust collecting chamber and the opening. .

According to the first aspect, the dust is captured in the dust collecting chamber provided inside the airtight tank when the powder and the granular material are accumulated in the tank, and the dust is sucked into a vacuum generating source such as a vacuum pump. The dust trapped and accumulated in the dust collecting chamber can be dropped and discharged into the airtight tank by opening the damper.

Further, the airtight tank is provided with a suction pipe opening upward inside and a discharge pipe opening downward inside, so that the accumulation in the powder tank and the discharge of the powder outside the airtight tank are performed. It is extremely easy, and furthermore, the location of the airtight tank itself after the accumulation in the granular material tank is easily possible.

According to a second aspect of the present invention, in addition to the first aspect, an injection port for pressurized air directed toward an upper surface of the filter is provided in the dust collection chamber. It is a suction transfer device.

According to the second aspect, when clogging occurs in the filter, or pressurized air is periodically injected to the upper surface of the filter to eliminate the clogging of the filter or to prevent clogging. can do.

According to a third aspect of the present invention, there is provided a collector having an opening communicating with the inside of an airtight tank and a damper at a bottom inside an airtight tank having a suction pipe opening upward inside and a discharge pipe opening downward inside. A dust chamber is provided, and in the dust collection chamber,
A powder and granular material suction and transfer device comprising a suction and transfer device for a powder and granular material in which a suction pipe is connected with a filter interposed between the opening and the opening so as to be able to move up and down on a side opposite to the discharge pipe. It is a working vehicle.

According to the third aspect of the present invention, the mounted granular material suction and transfer device has the configuration described in the first aspect, and as described in the first aspect, when the granular material tank is accumulated in the granular material tank. Dust is trapped in the dust collection chamber, the dust is prevented from being sucked into a vacuum generation source such as a vacuum pump, and accumulation in the powder tank and discharge of the powder to the outside of the airtight tank are extremely reduced. Easy.

[0010] Further, the granular material accumulated in the hermetic tank is free to move in place, that is, can be freely transported, and the discharge of the granular material at the destination is moved up and down on the opposite side of the hermetic tank from the discharge pipe. This can be done quickly.

According to a fourth aspect of the present invention, the mounted granular material suction and transfer device has the configuration described in the second aspect, and the other configuration is the same as that of the third aspect. According to the fourth aspect, the same operation and effect as described in the third aspect can be obtained, and further, the clogging of the filter described in the second aspect can be eliminated or clogging can be prevented. is there.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side view of the granular material suction / transfer work vehicle according to the present invention, FIG. 2 is a longitudinal sectional view of the granular material suction / transfer device according to the present invention, and FIG.
FIG. 4 is a partially enlarged view showing an example of a damper.

In FIG. 1, reference numeral 1 denotes an airtight tank, which is formed in a horizontally long cylindrical body, and provided at one end thereof with a suction pipe 2 opening upward inside and a discharge pipe 3 opening downward inside. The other end of the airtight tank 1 is provided with an opening 4 communicating with the inside of the confidential tank 1 and a dust collecting chamber 6 having a damper 5 at the bottom.

Further, the opening 4 is provided in the dust collecting chamber 6.
The intake pipe 8 is connected with a filter 7 interposed therebetween. The suction pipe 8 is connected to a vacuum source 9 such as a vacuum pump.
Is linked to

In the embodiment shown in the drawings, the dust collecting chamber 6 is formed in a double cylindrical shape, and the inner cylindrical portion 6a and the outer cylindrical portion 6b are supported through the ceiling 1a of the hermetic tank 1.

Further, an appropriate number of openings 4 communicating with the inside of the hermetic tank 1 are provided on the outer peripheral surface inside the hermetic tank 1 above the outer cylindrical portion 6b, and the hermetic tank 1 of the inner cylindrical portion 6a is provided. The intake pipe 8 is connected to a head protruding from the ceiling 1a of the vehicle, and a hatch 10 is provided at the top to enable internal inspection.

In the embodiment shown in the drawings, a filter 7 provided inside an inner cylindrical portion 6a forming the dust collecting chamber 6 is formed in a cylindrical shape, and the opening 4 and the intake pipe 8 are formed.
Although they are interposed between them, their shapes and materials do not matter.

FIG. 4 shows an embodiment of the damper 5 provided at the bottom of the dust collecting chamber 6. That is,
Each of the door plates 12, 12,... Rotatably supported by the support shafts 11, 11,.

In one embodiment of the drawings, the door plates 12, 1
.. Of the support shafts 11 and 11 are respectively connected to the link bars 13 by shafts.
.. As one drive shaft 11a
.. Are one of the drive door plates 12a.

Therefore, when the drive shaft 11a is rotated clockwise at right angles from the outside of the hermetic tank 1 in the figure, the drive door plate 12a and the door plates 12, 12.
Are in the vertical position and are “open”.

Further, in the embodiment shown in the drawings, an injection port 14 for pressurized air is provided in the dust collection chamber 6 toward the upper surface of each of the filters 7. The supply of pressurized air to the injection port 14 is performed by a pipe 15 from a compressor or the like (not shown) arranged outside the hermetic tank 1.

In the drawing, reference numeral 16 denotes a canvas for feeding the granular material P by pressure. That is, although not shown in detail, when discharging the powder P to a long distance, a high place, or the like,
Compressed air is supplied below the canvas 16. As a result, the compressed air passes through the canvas 16,
The powder P on the upper surface can be fluidized, and at the same time, the powder P can be pumped to a high place over a long distance.

In the powder and granular material suction and transfer device having the above structure,
By mounting the vehicle C on the opposite side to the discharge pipe 3 so as to be able to move up and down, the powder and granular material suction transfer work vehicle of the present invention is provided.

In the powder / granule suction / transfer device having the above-described structure, the discharge pipe 3 is closed, the suction pipe 2 is opened, and the suction pipe is 2 is extended and installed, for example, in a granular material storage part etc. (not shown).

Thereafter, the vacuum generating source 9 is driven, and the air in the dust collection chamber 6 and the air in the airtight tank 1 is sucked and discharged through the suction pipe 8. As a result, the granular material P is sucked and transferred from the suction pipe 2 by the negative pressure in the hermetic tank 1 and is accumulated inside the hermetic tank 1.

On the other hand, the powder P
The air sucked in along with the filter provided inside the inner cylindrical portion 6a from the opening 4 provided on the outer peripheral surface in the airtight tank 1 above the outer cylindrical portion 6b forming the dust collecting chamber 6. 7 is supplied downward to the space below, and at the same time, is rapidly decelerated to reduce the dust F contained in the air.
Is deposited on the damper 5.

Further, the dust F having a low specific gravity is captured by the filter 7 and is prevented from being sucked into the vacuum source 9. Thereafter, when the filter 7 is clogged, pressurized air is supplied to the upper surface of the filter 7 from the injection port 14 to sift the dust F clogged in the filter 7 onto the damper 5.

Further, the dust F deposited on the damper 5 is
The airtight tank 1 is opened by opening the damper 5.
It is dropped and supplied on a canvas 16 provided therein.

As described above, the powders P accumulated in the airtight tank 1 are appropriately mounted on the vehicle C and moved to another place by another means. By raising and lowering the side opposite to the pipe 3, it is possible to quickly discharge from the discharge pipe 3 opened below the inside of the airtight tank 1.

[0030]

According to the powder and granular material suction and transfer device of the present invention,
It is possible to prevent dust from being sucked into a vacuum generation source such as a vacuum pump during accumulation in the powder and granular material tank, and to further eliminate clogging of the filter or prevent clogging as appropriate. It is extremely easy to handle the granular material at the time of accumulation in the body tank and thereafter, and according to the granular material suction and transfer work vehicle of the present invention, the locational movement of the granular material accumulated in the airtight tank, that is, transportation And discharge of the granular material at the destination can be extremely easily performed.

[Brief description of the drawings]

FIG. 1 is a side view of a granular material suction and transfer work vehicle equipped with a granular material suction and transfer device according to the present invention.

FIG. 2 is a longitudinal sectional view of the granular material suction and transfer device according to the present invention.

FIG. 3 is a sectional view taken along line III-III of FIG. 2;

FIG. 4 is a partially enlarged view showing an embodiment of a damper.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Airtight tank 2 Suction pipe 3 Discharge pipe 4 Opening 5 Damper 6 Dust collection chamber 7 Filter 8 Suction pipe

Claims (4)

[Claims] A dust collecting chamber having an opening communicating with the inside of the airtight tank and a damper at a bottom is provided inside an airtight tank having a suction pipe opening upward inside and a discharge pipe opening downward inside the tank. An air suction pipe is connected to the dust collection chamber with a filter interposed between the dust collection chamber and the opening. 2. A dust collection chamber having an opening communicating with the inside of the airtight tank and a damper at a bottom portion is provided inside an airtight tank having a suction pipe opening upward inside and a discharge pipe opening downward inside, An air intake pipe is connected to the dust collecting chamber with a filter interposed between the dust collecting chamber and the opening, and an injection port for pressurized air directed toward an upper surface of the filter is provided in the dust collecting chamber. Characteristic granular material suction transfer device. 3. A dust collecting chamber having an opening communicating with the inside of the airtight tank and a damper at a bottom portion is provided inside an airtight tank having a suction pipe opening upward inside and a discharge pipe opening downward inside, The dust collecting chamber is characterized in that a powdery material suction and transfer device in which a suction pipe is connected with a filter interposed between the opening and the opening is mounted on a side opposite to the discharge pipe so as to be vertically movable. To transport powder and granules. 4. A dust-collecting chamber having an opening communicating with the inside of the airtight tank and a damper at the bottom is provided inside an airtight tank having a suction pipe opening upward inside and a discharge pipe opening downward inside, An air-intake pipe is connected to the dust-collecting chamber with a filter interposed between the dust-collecting chamber and the opening, and further a pressurized-air injection port is provided in the dust-collecting chamber toward an upper surface of the filter. A powdery and granular material suction and transfer work vehicle, comprising a body suction and transfer device mounted on a side opposite to the discharge pipe so as to be vertically movable.