JPH08323624A - Collected dust treatment device and its method - Google Patents

Abstract

PURPOSE: To provide a collected dust treatment device and its method to ensure removal of dust arising in grinding or polishing materials with small and portable equipment for labor hygiene maintenance and improvement in workability to workers. CONSTITUTION: A water reservoir 2 is provided under a cavity 6 in a machine 1 and a guide 3 with the lower end spaced apart from the water level of the water reservoir 2 is mounted in the cavity 6, so that a dust collecting member 4 can correspond to the suction port 23 of the guide 3 to connect a dust suction means 5 to the cavity 6 in the machine 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dust collecting apparatus and method capable of reliably removing dust generated by grinding / polishing a material to be polished with a small and portable apparatus.

[0002]

2. Description of the Related Art Conventionally, a grinding machine such as a disk sander has been used for grinding and polishing the surface of a material to be polished, for example, a stone material. Since this work produces a large amount of dust, this dust countermeasure is used. A stationary or mobile dust collector is generally used.

Since the stationary dust collector has to carry in and carry out the processed product to and from the work place in the covered space, the heavy stone material requires a large amount of work for the worker. Give labor burden.

Further, in the work in the cover, the wind flows toward the suction port of the dust collector, so that it is cold in the work in winter and the work environment is further deteriorated.

On the other hand, in the case of a mobile dust collector, even if it is a mobile dust collector, since its outer shape is large and often has a large weight, it cannot be easily moved by an operator. Therefore, the stone material to be processed must also be moved. As it does not happen, it cannot be used sufficiently.

Further, since this dust collector is a dust removing system using a filter, the filter is immediately clogged, and frequent cleaning is required, which is a major obstacle to the processing of stone materials. There were various problems such as.

[0007]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a water tank portion is provided in a lower portion of a hollow portion of an airframe, and an introducer is provided at the lower end and the water tank portion in the hollow portion. It is generated by grinding and polishing the material to be polished by attaching it with a gap to the water surface, making the suction port of the introduction body correspond to the dust collecting member, and connecting the dust suction means to the cavity of the machine body. An object of the present invention is to provide a dust collecting apparatus and a method thereof capable of reliably removing dust by a small and portable apparatus to maintain occupational hygiene for workers and improve workability.

[0008]

The means of the present invention for achieving the above-mentioned object is a box-shaped machine body having a cavity inside, and a water tank section provided in a lower part of the cavity section of the machine body,
Corresponds to the dust introduction body installed at the lower end of the cavity of the fuselage with a gap between it and the water surface of the water tank section, and the dust generation source provided on one side of the fuselage connected to the suction port of this introduction body The dust collecting device is provided with a dust collecting member and dust suction means connected to the cavity of the machine body.

The dust collecting member is composed of a bendable arm connected to the suction port and a dust collecting hood attached to the tip of this arm.

Further, the introducing member is provided with rectifying means on the outside thereof.

Furthermore, the water tank portion is provided with a detecting means for detecting the water level thereof and an auxiliary tank appropriately supplied with water by the detecting means.

Further, in the dust collecting method, the hollow portion of the machine body is sucked by the suction means, and the dust sucked by the dust collecting member connected to the machine body is fed into the introduction body of the cavity portion of the machine body, and the dust is discharged into the cavity portion. In the gap above the water surface of the water tank portion provided in the lower part of the water tank, the water is caused to flow from the lower end of the introduction body to the outside of the introduction body, and the water in the water tank portion is rolled up by the suction action of the suction means in this gap and interferes with the dust. To remove dust.

[0013]

The present invention configured as described above has the following effects.

A dust collecting member is connected to the suction port of the dust introduction body provided in the hollow portion of the machine body in the machine body, and water in a predetermined water level is filled in the water tank section to operate the suction means. When the dust member is adapted to the dust source,
The dust is sucked from the dust collecting member into the inside of the introduction body in the body.

This dust flows to the lower end of the introduction body by the suction means and passes through the gap between the water surface of the water tank portion and this lower end. When flowing through this gap, the suction force of the suction means causes the dust to flow. In addition to causing ripples on the water surface of the water tank part, since the dust that is sucked up interferes with the water droplets that are rolled up in this gap, it is absorbed by the water droplets and sinks into the water tank portion when the water droplets fall. Removed dust.

The dust collecting member is connected to the arm made of a bent material so that the dust collecting hood corresponds to the efficient dust collecting position of the dust generating source.

The introducing body is provided with a rectifying means on the outside thereof to partially block the suction force of the suction means,
It improves the effect of interference with the water in the water tank part, regulates the suction movement of the water droplets soaring to this part and drops it into the water tank part, and promotes the fall of dust to the water tank part due to shielding.

By linking the water level detecting means and the auxiliary tank to the water tank portion, the water level of the water tank portion is always kept at a desired position, and the gap between the water surface and the introduction body is kept constant.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the dust collecting apparatus and method according to the present invention will be described below with reference to the drawings.

In FIGS. 1 and 3 and 5, reference numeral A is a dust collecting treatment device for sucking dust generated during cutting or grinding / polishing on a material to be polished in a dust generating source, for example, stone b. Then, take it into the water and remove it.
The water tank portion 2, the introduction body 3, the dust collecting member 4, and the suction means 5 are basically configured.

The above-mentioned machine body 1 is formed in a box shape having a predetermined size, and a cavity portion 6 is provided in the entire inside thereof, and a lower portion is freely and at least four fixed wheels 1a.
Is attached so that the entire apparatus A can be easily carried.

The above-mentioned water tank portion 2 is provided in the lower portion of the hollow portion 6 of the machine body 1, and the dust sucked into the hollow portion 6 is adsorbed into the water to be precipitated in the lower layer portion, An appropriate amount is supplied from the water supply port 7 provided on the side portion of the machine body 1, and drained from the cock 2b provided on the lower part of the machine body 1.

The water tank 2 has a detecting means 8 for detecting the water level and an auxiliary tank 9 which is appropriately supplied with water by the detecting means 8. The detecting means 8 is shown in FIG.
Further, as shown in FIG. 2, a conventional ball tap type or a hose type as shown in FIG. 6 is used.

In this detection means 8, FIG. 1 and FIG.
In FIG. 1, a main body 10 having a valve mechanism (not shown) fixed to one side of the machine body 1 is rotatably attached by a fastening member 11 such as a screw, and is attached to an outer end portion of the main body 10. Is provided with a float 13 that floats on the water surface 2a of the water tank portion 2 via a connecting rod 12. The valve mechanism is actuated by the float 13 lowering as the water level drops, and the body 1
The water in the auxiliary tank 9 which is detachably attached to the side portion of is supplied.

When the apparatus A is used on a sloping land, the detecting means 8 may change the water level due to the inclination, and the water may or may not come out of the auxiliary tank 9. Fastening member 11 for fixing the main body 10
By loosening and adjusting the position of the float 13 by rotating the main body 10 appropriately, a constant amount of water is maintained in the water tank 2.

Further, in the case shown in FIG. 6, a delivery pipe 60 with a cock is attached to the bottom of an auxiliary tank 9 provided on the side of the machine body 1, and a water level 2a in the water tank 2 is attached to this drain pipe 60.
A hose 62 corresponding to the discharge hole 61 is attached near the portion.

The auxiliary tank 9 is supplied with water from a supply hole 63 provided at one side thereof, and the inside is kept sealed by a lid 64, and the water level 2a of the water tank 2 is maintained.
When the water drops below the discharge hole 61 of the hose 62, the air in the cavity 6 enters the auxiliary tank 9 through the discharge hole 61, and the water in the tank 9 is sent out to the aquarium 2. The supply of water from the delivery pipe 60 is stopped by covering the discharge hole 61 by the rise of the water level 2a of the water tank portion 6 and thereby covering the water.

Further, the above-mentioned water tank portion 2 is provided with a settling box 15 which is put in and taken out from a door type opening / closing portion 14 provided on the side portion of the body 1 at the bottom portion thereof, and is adsorbed on the water tank portion 2. The inside of the machine body 1 can be easily cleaned by precipitating the generated dust therein and taking it out to the outside as appropriate.

The above-mentioned introduction body 3 is attached in the hollow portion 6 of the machine body 1 with a gap 16 provided between the lower end thereof and the water surface 2a of the water tank portion 2, and the dust from the dust collecting member 4 described later is put in the water tank. It is introduced toward the water surface 2a of the part 2.

As shown in FIG. 1 and FIGS. 3 to 4, the introduction body 3 is provided in both inner walls of the machine body 1 and in the cavity portion 6 thereof, in the predetermined dust flow paths 17, 17 and in the intermediate portion. A pair of partition walls 19, 1 so that the introduction path 18 can be obtained.
9 is fixed to the machine body 1, and the dust from the introduction path 18 flows into the flow paths 17 and 17 through the gap 16.

Further, the introduction body 3 is provided with a rectifying means 20 for restricting suction of water in the water tank portion 2 by the suction means 5 described later on the outside of the introducing body 3, and the partition wall 19,
A blade-shaped projection facing the flow paths 17, 17 is provided on the outside of the partition wall 19. The upper part of the partition walls 19, 19 is similarly arranged so as to face the flow paths 17, 17. With the roof-shaped member installed, the flow paths 17, 17
The suctioned material such as water sent into the inside is moved in a meandering state while hitting these means 20, and the suctioned material 5 is prevented from flowing directly to the suctioning means 5.
Moisture is not sucked into the fan 38 of FIG.

If the rectifying means 20 is further provided so as to face the flow paths 17, 17 on the inner side wall of the machine body 1 and in the intermediate portion of the means 20, 20, the meandering flow of the suctioned matter can be further improved. Is promoted.

Further, arc-shaped detouring members 21 and 21 are attached to the machine body 1 outside the lower ends of the partition walls 19 and 19 of the introduction body 3 so as to correspond to the gaps 16 and 16, respectively. Aspirates are flow paths 17,1
It can move upward smoothly at 7.

The partition wall 1 in the introduction body 3
As shown in FIG. 4, if the lower end portions of 9, 9 are formed with jagged wavy edges 22, in this gap 16,
The suction force of the suction means 5 described later promotes the rolling up of water from the water surface 2a of the water tank portion 2, and the water is scattered in the vicinity of this water in the form of droplets to obtain a shower effect.
The dust passing through the gap 16 uniformly touches the droplets to improve the adsorption / removal effect.

In addition, in this introducing body 3, the partition wall 1
A suction port 23 for suctioned substances is provided at one side of the roof-shaped rectifying means 20 provided on the upper portions of the members 9 and 19, and the suction pipe 24 is projected from the machine body 1.

The above-mentioned dust collecting member 4 is connected to the suction pipe 24 in the suction port 23 provided in the introduction body 3 to correspond to the dust generation source, and is bendable connected to the suction pipe 24 of the suction port 23. The arm 25 and the dust collecting hood 26 attached to the tip of the arm 25.

The arm 25, as shown in FIG.
A frame body 28, which is connected in a rotatable link by a support shaft 27, is attached to a mounting piece 26 provided in the above, and lightweight cylinders 29, 30 made of synthetic resin or the like are screwed to the frame body 28. The ends of the cylindrical bodies 29, 30 are connected by flexible members 31, 32, 33 such as bellows.

Further, the frame body 28 of the arm 25
Can be bent freely. Tension springs 34 and 35 are arranged so that the bent position can be maintained, and the arm 25 and the dust collecting hood 26 can be located at desired positions.
Can be stopped.

The dust collecting hood 26 is connected to the flexible member 33 of the arm 25 and corresponds to the processed portion of the non-processed object b. The tip of the dust collecting hood 26 is formed in a trumpet shape so as to improve the dust collecting efficiency. In addition, a handle 36 is attached so as to be able to quickly respond to the processed portion, and the opening of the dust collecting hood 26 can be converted to an arbitrary angle so that the workpiece b can be processed. Corresponds to any position.

The suction means 5 sucks dust or the like generated from the workpiece b and sends it into the cavity 6 of the machine body 1, and is connected to the cavity 6 of the machine body 1.

The suction means 5 has an exhaust port 37 opened at the center of the upper part of the machine body 1 and a mounting frame 39 having a fan 38 therein, which is connected to the fan 38 to drive a motor or the like. A member 40 is connected, and a cylindrical exhaust member 41 is attached to one side of the attachment frame 39.

As a result, this suction force is applied to the workpiece b and sent into the cavity 6 of the machine body 1 via the dust collecting member 4, and the dust-removed air in the cavity 6 is sucked to the outside air. To discharge.

A filter case 42 with a lid (not shown) is mounted in front of the mounting frame 39.
A filter 43 that can be exchanged or washed inside
It has a built-in, and removes dust that remains without being removed by adhering to it.

Therefore, the apparatus A of the embodiment of the present invention configured as described above supplies an appropriate amount of water to the water tank section 2 in the machine body 1 while observing the water level gauge 44 from the water supply port 7, and sucking means. When the dust-collecting hood 26 of the dust-collecting member 4 is operated by the handle 36 in a state in which 5 is operated, the foldable arm 25 smoothly moves the dust-collecting hood 26 to easily deal with the dust generation source. The dust collected by the processing of the workpiece b and the suctioned substances such as the ambient air are collected by the dust collecting member 4
Through the suction port 23 to the introduction body 3 in the hollow portion 6 of the machine body 1 via.

Then, the suctioned material flows downward along the introduction path 18 of the introduction body 3 by the suction of the suction means 5.

At this time, in the gap 16 between the water surface of the water tank portion and the lower end of the introducing body 3, the water force of the suction means 5 causes the water tank portion 2 to cooperate with the wavy edge 22 of the partition walls 19, 19. Since large waves and water are rolled up on the water surface 2a of the water, the dust of the suctioned material passing through the gap 16 interferes with the dust in the vicinity of the gap 16 touching the splash of water rolled up in the gap 16. It is absorbed by the shower-like droplets of water, enters the water tank portion 2 as the droplets of water fall, and sinks to the lower part to remove dust.

The settled dust is stored in a settling box 15 provided at the bottom of the water tank 2, and is appropriately taken out from the opening / closing section 14 and collected.

Further, the suctioned substances that have been almost dust-removed after passing through the gap 16 move to the flow paths 17 and 17 in the cavity portion 6, and the rectifying means 20 attached to the outside of the machine body 1 and the partition walls 19 and 19. Hinder the flow of the suctioned substance, so that the suctioned substance is sucked into the upper suction means 5 in a meandering state.

As a result, the partial blockage of the suctioned material causes a negative pressure in the cavity 6 to improve the effect of interference with the water in the water tank portion 2, and the dust left on the water tank portion 2 due to the resistance due to the shield. Can be accelerated.

The air thus dust-removed is further transferred to the airframe 1
The dust that has not been removed is removed by the filter 43 provided on the mounting frame 39, and the clean air is discharged from the exhaust member 41 of the mounting frame 39 to the atmosphere.

This device A sucks dust from the center of the exhaust port 37 provided in the center of the machine body 1 and drains the water in the water tank portion 2 while winding it up from both sides of the hollow portion 6, so that the dust is efficiently removed. The size of the machine body 1 can be made as narrow as possible, which allows the machine body 1 to be manufactured in a lightweight manner, and is easy to move and bulky.

Further, the water in the water tank portion 2 gradually decreases as it is used, but the water level 2a is replenished from the auxiliary tank 9 by the detection means 8 provided in the airframe 1 sequentially operating. Therefore, the water level 2a is always maintained at an appropriate level, and the partition wall 1 in the water surface 2 and the introduction body 3 is maintained.
It is possible to keep a constant gap 16 between the lower portions of the members 9 and 19.

In FIG. 5, reference numeral 45 denotes the suction port 2 of the introduction body 3.
The switching means provided in the suction pipe 24 in FIG.
The large-capacity dust absorption of the processed portion by and the cleaning around the work by the small diameter hose 46 are easily switched.

In this device, a partition body 47 for closing and opening the opening is provided in the middle of the suction tube 24 so as to be able to move forward and backward, and when the partition body 47 opens the passage of the suction tube 24, the suction means 5 is provided. The suction force of (2) works toward the dust collecting member 4 and can absorb a large amount of dust.

When the partition body 47 closes the passage of the suction pipe 24, the suction force of the dust collecting member 4 by the suction means 5 is blocked, and the suction hose 46 to the small diameter hose 46 attached to the attachment pipe 48 is blocked. Since the suction force works, the nozzle 49 attached to the tip of the hose 46 can be used to clean the dust, dust, and other details.

When suctioning with the dust collecting member 4, the mounting pipe 48 of the suction pipe 24 is preferably closed.

In FIGS. 3 and 5, reference numeral 50 is an inspection window provided on both sides of the machine body 1, and a permeable member is stretched so as to stain the inside of the machine body 1 and the water condition of the water tank 2. Can be visually inspected by the user.

[0058]

As described above, according to the dust collecting apparatus and the method of the present invention, since the whole apparatus is formed in a small size, it can be easily transported to a dust removing place, and dust can be infiltrated into water. Therefore, dust is not scattered around when cleaning the device, and maintenance is greatly reduced.

The introduction body provided in the fuselage makes it possible to take in as much dust air as possible per unit, so that the intake of air from the dust generation source can be increased, The dust removal capacity can be greatly improved.

By connecting a bendable arm to the dust collecting member, it is possible to adapt the dust collecting hood to a place where the dust collecting source has the highest dust collecting efficiency.

Since the water level in the water tank is always kept constant by the detection means connected to the auxiliary tank, efficient contact with water is made when the suctioned product flows. And so on.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view showing an embodiment of a dust collection processing apparatus adopting a dust collection processing method according to the present invention.

FIG. 2 is a front view showing a main part of a detection unit in FIG.

FIG. 3 is a side view in which the inside of the body in FIG. 1 is broken.

FIG. 4 is a perspective view of a front portion showing the relationship between the machine body and the introduction body in FIG.

5 is a front view of a main part showing another example of attachment of the dust collecting member in FIG. 1. FIG.

FIG. 6 is an explanatory view of a main part showing another example of the detecting means in FIG.

[Explanation of symbols]

 b Dust generation source 1 Airframe 2 Water tank 2a Water surface 3 Introducer 4 Dust collecting member 5 Suction means 8 Detecting means 9 Auxiliary tank 16 Gap 20 Rectifying means 25 Arm 26 Dust collecting hood

Claims (5)

[Claims] 1. A box-shaped machine body having a cavity inside, a water tank section provided at a lower portion of the cavity section of the machine body, and a lower end of the cavity section of the machine body provided with a clearance between the water surface of the water tank section. Attached dust introduction body, dust collecting member connected to the suction port of this introduction body and corresponding to a dust generation source provided on one side of the machine body, and suction of dust connected to the cavity of the machine body And a means for collecting dust. 2. The dust collecting apparatus according to claim 1, wherein the dust collecting member includes a bendable arm connected to the suction port, and a dust collecting hood attached to the tip of the arm. . 3. The dust collecting apparatus according to claim 1, wherein the introducing member is provided with a rectifying means on the outside thereof. 4. The dust collecting apparatus according to claim 1, wherein the water tank portion is provided with a detecting means for detecting the water level of the water tank and an auxiliary tank appropriately supplied with water by the detecting means. 5. The dust sucked by a suction means in the hollow portion of the machine body and sucked by a dust collecting member connected to the machine body,
Introducing the cavity of the fuselage into the body, in the gap above the water surface of the water tank part that provided this dust in the lower part of the cavity,
A method of collecting dust, characterized in that it is made to flow from the lower end of the introduction body to the outside of the introduction body, and the water in the water tank portion is rolled up by the suction action of the suction means in this gap while interfering with the dust to remove the dust.