CN219023662U

CN219023662U - Flue gas treatment device of laser cutting machine

Info

Publication number: CN219023662U
Application number: CN202223091510.3U
Authority: CN
Inventors: 梁志卫; 莫树伟; 蒋金玩
Original assignee: Guangxi Yulin Yuchai General Machinery Co ltd
Current assignee: Guangxi Yulin Yuchai General Machinery Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-05-16
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a smoke treatment device of a laser cutting machine, belongs to the field of laser cutting equipment, and solves the problems that an exhaust fan in the existing smoke treatment device is easy to damage and a pipeline is easy to block. The device comprises an exhaust fan, a filtering component and a smoke absorption box, wherein an air inlet of the filtering component is communicated with a waste tank of a machine table, an air outlet of the filtering component is communicated with the air inlet of the exhaust fan through a first pipeline, and an air outlet of the exhaust fan is communicated with the smoke absorption box through a second pipeline; the filtering assembly comprises a ventilation hole and at least two filtering plates, the ventilation hole penetrates through the machine table and is communicated with the first pipeline and the waste tank, each filtering plate is connected to the machine table in a sliding mode, and the bottom end of each filtering plate extends to the bottom of the inner wall of the ventilation hole. The smoke treatment device of the laser cutting machine can directly intercept impurities such as scrap iron and the like in the scrap chute of the machine table, and avoid the problems of damage of an exhaust fan and blockage of a pipeline.

Description

Flue gas treatment device of laser cutting machine

Technical Field

The utility model relates to the field of laser cutting equipment, in particular to a smoke treatment device of a laser cutting machine.

Background

The laser cutting machine cuts some materials or active metals which are not easy to oxidize, such as stainless steel, titanium, aluminum, alloys thereof and the like through melt cutting. In laser melting cutting, a metal material is melted by laser heating, then non-oxidizing gas (Ar, he, N, etc.) is blown through a nozzle coaxial with a light beam, and liquid metal is discharged by means of strong pressure of the gas to form a notch, so that more scrap metal sheets are generated in the cutting process.

The current laser cutting machine falls in the scrap bin of board below at the in-process of cutting metal sheet, but can produce flue gas and waste residue dust at the laser cutting in-process, because the quality of flue gas and waste residue dust is lighter float in the workshop easily to be unfavorable for staff's health.

Through search analysis, the existing laser cutting machine has the function of treating the flue gas, for example, the patent number is: 202121043360.1 a flue gas treatment device of laser cutting machine, this flue gas treatment device includes the board, the board below is provided with the waste tank, the waste material mouth of intercommunication waste tank has been seted up to the board lateral wall, the waste material mouth is connected with the air exhauster, the gas outlet of air exhauster is connected with the rose box, the vertical filter that is provided with in the rose box, the rose box is connected with the flue gas absorption case, and the air exhauster draws the flue gas that produces after the laser cutting to the rose box from the waste material mouth, and the pulling pull rod makes the scraper blade laminating filter remove, scrapes down the dust on the filter and falls into the collecting tray of rose box bottom, and the flue gas is through the filtration of filter in the rose box back, gets into the flue gas absorption case after water absorption, and the surplus gas discharges into the air, realizes handling flue gas purification.

However, the existing smoke treatment device of the laser cutting machine is characterized in that a filtering component is arranged on the outer side of the tail part of the laser cutting machine and is separated from the laser cutting machine, smoke is required to be introduced into the filtering component through an exhaust fan and a pipeline, and because the smoke contains scrap iron, the smoke is easy to impact and abrade the exhaust fan in the flowing process, the service life of the exhaust fan is reduced, and meanwhile, the problem of blockage in the pipeline at the front section of the filtering component is also easy to occur. Therefore, there is a need for improvements to existing laser cutter fume treatment devices.

Disclosure of Invention

The utility model aims to solve the technical problems of the prior art, and provides a smoke treatment device of a laser cutting machine, which can directly intercept impurities such as scrap iron and the like in a scrap groove of a machine table, so as to avoid the problems of damage of an exhaust fan and blockage of a pipeline.

The technical scheme of the utility model is as follows: the flue gas treatment device of the laser cutting machine comprises an exhaust fan, a filtering component and a flue gas absorption box, wherein the filtering component is positioned at one end of a machine table, an air inlet of the filtering component is communicated with a waste tank of the machine table, an air outlet of the filtering component is communicated with the air inlet of the exhaust fan through a first pipeline, and an air outlet of the exhaust fan is communicated with the flue gas absorption box through a second pipeline; the filtering assembly comprises a ventilation hole and at least two filtering plates, the ventilation hole penetrates through the machine table and is communicated with the first pipeline and the waste tank, each filtering plate is connected to the machine table in a sliding mode, and the bottom end of each filtering plate extends to the bottom of the inner wall of the ventilation hole.

As a further improvement, the bottom surface of the inner wall of the vent hole is an inclined surface which extends downwards and obliquely to one side of the waste tank.

Further, the top of every the filter all be equipped with the apron, apron laminating at the board top, just the apron on be equipped with the pull ring.

Further, the cover plate is provided with a magnet block which is mutually adsorbed on one surface of the cover plate, which is attached to the machine.

Further, each filter plate is obliquely arranged, and each filter plate is obliquely arranged from top to bottom to one side of the first pipeline.

Further, a conical cover is arranged on the machine table on one side of the vent hole, the largest end of the conical cover is communicated with the vent hole, and the smallest end of the conical cover is communicated with the first pipeline.

Further, one end of the second pipeline far away from the exhaust fan extends to the bottom of the inner wall of the smoke absorption box, and a plurality of air injection holes are formed in the side wall of the second pipeline located at the lower part of the smoke absorption box.

Further, a temperature sensor is arranged at the lower part of the inner wall of the smoke absorption box.

Further, the top of the flue gas absorption box is provided with an exhaust pipe communicated with the flue gas absorption box.

Advantageous effects

Compared with the prior art, the utility model has the following advantages:

1. according to the smoke treatment device of the laser cutting machine, the filtering component is arranged in the machine, when smoke is treated, the exhaust fan works to pump out smoke in the waste tank, scrap iron impurities in the smoke are filtered before entering the pipeline or the exhaust fan, and the scrap iron and other impurities can be directly intercepted in the waste tank of the machine, so that the problems of damage of the exhaust fan and blockage of the pipeline are avoided.

2. The smoke treatment device of the laser cutting machine comprises the filtering component, the filtering component comprises the ventilation holes and the plurality of filtering plates which are inserted in the ventilation holes in a sliding manner, the filtering effect can be improved, after the smoke treatment device is used for a period of time, the filtering plates at the front side can be pulled out to be cleaned, and the filtering component can still continue to filter under the action of other filtering plates in the cleaning process, so that the normal operation of the filtering is not influenced, and the smoke treatment device is more convenient to use.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 2;

fig. 4 is an enlarged schematic view of a cross-sectional structure of the smoke absorbing tank according to the present utility model.

Wherein: 1-exhaust fan, 2-filter unit, 3-flue gas absorption box, 4-board, 5-waste tank, 6-first pipeline, 7-second pipeline, 8-toper cover, 9-fumarole, 10-temperature sensor, 11-blast pipe, 21-ventilation hole, 22-filter, 23-apron, 24-pull ring, 25-magnet piece.

Detailed Description

The utility model will be further described with reference to specific embodiments in the drawings.

Referring to fig. 1-4, the flue gas treatment device of the laser cutting machine comprises an exhaust fan 1, a filter assembly 2 and a flue gas absorption box 3, wherein a water inlet pipe and a water outlet pipe with valves are arranged on the flue gas absorption box 3, so that cleaning liquid is convenient to replace, the filter assembly 2 is positioned at one end of a machine table 4, an air inlet of the filter assembly 2 is communicated with a waste tank 5 of the machine table 4, an air outlet of the filter assembly 2 is communicated with the air inlet of the exhaust fan 1 through a first pipeline 6, an air outlet of the exhaust fan 1 is communicated with the flue gas absorption box 3 through a second pipeline 7, flue gas is pumped away in the waste tank 5, flows along the filter assembly 2, the first pipe/6, the exhaust fan 1, the second pipeline 7 and the flue gas absorption box 3, and is discharged to the atmosphere after being filtered and purified, so that flue gas treatment is realized.

According to the smoke treatment device of the laser cutting machine, the filter assembly 2 is arranged in the machine table 4, when smoke is treated, the exhaust fan 1 works to extract smoke in the waste groove 5, scrap iron impurities in the smoke are filtered before entering the pipeline or the exhaust fan 1, and the scrap iron and other impurities can be directly intercepted in the waste groove of the machine table 4, so that the problems of damage to the exhaust fan 1 and pipeline blockage are avoided.

Preferably, the filter assembly 2 comprises a vent hole 21 and at least two filter plates 22, wherein the vent hole 21 penetrates through the machine table 1 and is communicated with the first pipeline 6 and the waste tank 5, so that air flow in the waste tank 5 can be pumped out, each filter plate 22 is slidably inserted on the machine table 4, disassembly and assembly maintenance are facilitated, the bottom end of each filter plate 22 extends to the bottom of the inner wall of the vent hole 21, namely, the bottom end of each filter plate 22 is attached to the bottom of the inner wall of the vent hole 21, and flue gas is prevented from directly passing through the filter assembly 2.

The laser cutting machine fume treatment device of this embodiment, its filter unit 2 includes ventilation hole 21 and a plurality of filter plates 22 of slip grafting in ventilation hole 21, and the setting of a plurality of filter plates 22 can improve the filter effect, after using a period, can pull out the filter plate 22 of front side, clear up it, at the in-process of clearance, filter unit 2 still can continue to filter under the effect of other filter plates 22, does not influence filterable normal clear, and it is more convenient to use.

Preferably, the bottom surface of the inner wall of the vent hole 21 is an inclined surface which extends to one side of the waste tank 5 in a downward inclined manner, and when the machine is stopped, filtered scrap iron impurities fall on the bottom surface of the inner wall of the vent hole 21 and can flow back to the waste tank 5 under the flow guide of the inclined surface.

Preferably, the top of each filter plate 22 is provided with a cover plate 23, the cover plates 23 are attached to the top of the machine table 4, and pull rings 24 are arranged on the cover plates 23, so that the filter plates 22 can be pulled conveniently.

Preferably, a magnet block 25 is arranged on one surface of the cover plate 23, which is attached to the machine 4, and the cover plate 23 is fixed on the machine 4 by the magnet block 25, so as to prevent the loosening problem.

Preferably, each filter plate 22 is obliquely arranged, and each filter plate 22 is obliquely arranged towards one side of the first pipeline 6 from top to bottom, so that the filtered scrap iron impurities can be collected to the bottom of the filter plate 22 under the action of self gravity and the suction force of the exhaust fan 1 during smoking, and the blocking problem of the filter plate 22 can be properly alleviated.

Preferably, a conical cover 8 is arranged on the machine table 4 at one side of the vent hole 21, the largest end of the conical cover 8 is communicated with the vent hole 21, and the smallest end of the conical cover is communicated with the first pipeline 6, so that flue gas can be collected into the first pipeline 6.

Preferably, one end of the second pipeline 7 far away from the exhaust fan 1 extends to the bottom of the inner wall of the smoke absorption box 3, so that the smoke can be contacted with the purifying liquid in the smoke absorption box 3, purification is realized, a plurality of air spraying holes 9 are formed in the side wall of the second pipeline 7 positioned at the lower part of the smoke absorption box 3, the contact area of the smoke and the purifying liquid is increased, and the purifying effect is further improved.

Preferably, the lower part of the inner wall of the smoke absorbing box 3 is provided with the temperature sensor 10, and as the smoke contains a certain temperature, the smoke can generate heat exchange when being contacted and purified with the purifying liquid, after the smoke is used for a long time, the temperature of the purifying liquid is increased, the smoke cannot be cooled and then discharged, the temperature of the purifying liquid can be detected by the temperature sensor 10, and when the temperature is increased to a certain value, the purifying liquid can be replaced, so that the smoke absorbing box is more convenient to use.

Preferably, an exhaust pipe 11 communicated with the flue gas absorbing box 3 is arranged at the top of the flue gas absorbing box 3, so that purified gas in the flue gas absorbing box 3 can be conveniently discharged.

While only the preferred embodiments of the present utility model have been described above, it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these do not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims

1. The flue gas treatment device of the laser cutting machine comprises an exhaust fan (1), a filtering component (2) and a flue gas absorption box (3), and is characterized in that the filtering component (2) is positioned at one end of a machine table (4), an air inlet of the filtering component (2) is communicated with a waste tank (5) of the machine table (4), an air outlet of the filtering component (2) is communicated with the air inlet of the exhaust fan (1) through a first pipeline (6), and an air outlet of the exhaust fan (1) is communicated with the flue gas absorption box (3) through a second pipeline (7); the filtering assembly (2) comprises a ventilation hole (21) and at least two filtering plates (22), wherein the ventilation hole (21) penetrates through the machine table (4) and is communicated with the first pipeline (6) and the waste tank (5), each filtering plate (22) is in sliding connection with the machine table (4), and the bottom end of each filtering plate (22) extends to the bottom of the inner wall of the ventilation hole (21).

2. The flue gas treatment device of a laser cutting machine according to claim 1, wherein the inner wall bottom surface of the vent hole (21) is a slope extending obliquely downward toward the side of the waste tank (5).

3. The flue gas treatment device of the laser cutting machine according to claim 1, wherein a cover plate (23) is arranged at the top of each filter plate (22), the cover plate (23) is attached to the top of the machine table (4), and a pull ring (24) is arranged on the cover plate (23).

4. A smoke treatment device of a laser cutting machine according to claim 3, characterized in that the surface of the cover plate (23) attached to the machine table (4) is provided with mutually attracted magnet blocks (25).

5. A smoke treatment device for a laser cutting machine according to claim 1, characterized in that each of said filter plates (22) is arranged obliquely and each of said filter plates (22) is inclined from top to bottom to one side of the first duct (6).

6. The flue gas treatment device of the laser cutting machine according to claim 1, wherein a conical cover (8) is arranged on the machine table (4) at one side of the vent hole (21), the largest end of the conical cover (8) is communicated with the vent hole (21), and the smallest end is communicated with the first pipeline (6).

7. A smoke treatment device of a laser cutting machine according to any one of claims 1-6, characterized in that the end of the second pipe (7) remote from the exhaust fan (1) extends to the bottom of the inner wall of the smoke absorbing box (3), and that the side wall of the second pipe (7) located in the lower part of the smoke absorbing box (3) is provided with a plurality of air injection holes (9).

8. The flue gas treatment device of the laser cutting machine according to claim 7, wherein the lower part of the inner wall of the flue gas absorbing box (3) is provided with a temperature sensor (10).

9. The flue gas treatment device of the laser cutting machine according to claim 7, wherein the top of the flue gas absorbing box (3) is provided with an exhaust pipe (11) communicated with the flue gas absorbing box.