CN110898664A - Smog cleaning and filtering device for laser cutting - Google Patents
Smog cleaning and filtering device for laser cutting Download PDFInfo
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- CN110898664A CN110898664A CN201911241130.3A CN201911241130A CN110898664A CN 110898664 A CN110898664 A CN 110898664A CN 201911241130 A CN201911241130 A CN 201911241130A CN 110898664 A CN110898664 A CN 110898664A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
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Abstract
The invention discloses a smoke cleaning and filtering device for laser cutting, which comprises a support and an air suction nozzle, wherein an electric sliding table is installed on the support through a bolt, a laser cutting main body is installed on the electric sliding table, a pipe clamp is fixedly welded on the electric sliding table, an annular pipe is connected in the pipe clamp in a clamping manner, the annular pipe is communicated with the air suction nozzle through a metal hose, the annular pipe is communicated with an exhaust fan through a connecting pipe, the exhaust fan is communicated with a dust settling chamber through an air outlet pipe, the side part of the upper end of the dust settling chamber is communicated with a booster pump through an exhaust pipe, a rotational flow plate is fixedly welded on the inner wall of the dust settling chamber, the booster pump is communicated with a dust cleaning mechanism through an air guide pipe, the dust cleaning mechanism is communicated with an air outlet pipe, and one end of the air. The invention can perform dust fall, decomposition, sterilization and filtration on the smoke generated during cutting, and can effectively reduce the harm of the smoke to the environment and workers.
Description
Technical Field
The invention belongs to the technical field of laser cutting, and particularly relates to a smoke cleaning and filtering device for laser cutting.
Background
The laser cutting machine focuses laser emitted from a laser into a laser beam with high power density through an optical path system. The laser beam irradiates the surface of the workpiece to make the workpiece reach a melting point or a boiling point, and simultaneously, the high-pressure gas coaxial with the laser beam blows away the molten or gasified metal. And finally, the material is cut along with the movement of the relative position of the light beam and the workpiece, so that the cutting purpose is achieved. The laser cutting processing is to replace the traditional mechanical knife by invisible light beams, has the characteristics of high precision, quick cutting, no limitation on cutting patterns, automatic typesetting, material saving, smooth cut, low processing cost and the like, and can gradually improve or replace the traditional metal cutting process equipment. The mechanical part of the laser tool bit is not in contact with the workpiece, so that the surface of the workpiece cannot be scratched in the working process; the laser cutting speed is high, the cut is smooth and flat, and subsequent processing is generally not needed; the cutting heat affected zone is small, the deformation of the plate is small, and the cutting seam is narrow (0.1 mm-0.3 mm); the notch has no mechanical stress and no shearing burr; the processing precision is high, the repeatability is good, and the surface of the material is not damaged; the numerical control programming can be used for processing any plan, the whole board with large breadth can be cut, a die does not need to be opened, and the method is economical and time-saving.
When the laser cutting machine works, smoke can be generated due to the high-temperature effect, the generated smoke contains harmful substances such as dust, the smoke is blown away by the existing laser cutting machine through high-pressure gas, and the dust and the harmful gases can be mixed into the surrounding environment to cause harm to workers and the environment.
Disclosure of Invention
The invention aims to provide a smoke cleaning and filtering device for laser cutting, which can be used for dust fall, decomposition, sterilization and filtration of smoke generated during cutting, and can effectively reduce the harm of the smoke to the environment and workers so as to solve the problems in the prior art in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a smoke cleaning and filtering device for laser cutting comprises a bracket and a suction nozzle, wherein an electric sliding table is arranged on the bracket through a bolt, the electric sliding table is provided with a laser cutting main body, a pipe clamp is welded and fixed on the electric sliding table, the pipe clamp is internally connected with an annular pipe in a clamping way, the annular pipe is communicated with the air suction nozzle through a metal hose, the annular pipe is communicated with an exhaust fan through a connecting pipe, the exhaust fan is communicated with a dust settling chamber through an air outlet pipe, the side part of the upper end of the dust settling chamber is communicated with a booster pump through an exhaust pipe, a rotational flow plate is welded and fixed on the inner wall of the dust settling chamber and is positioned between the air outlet pipe and the exhaust pipe, and the air outlet pipe is positioned below the exhaust pipe, the booster pump is communicated with a dust washing mechanism through an air duct, the dust washing mechanism is communicated with an air outlet pipe, and one end of the air outlet pipe is in threaded connection with a filtering mechanism.
Preferably, the scrubbing mechanism includes the water tank, the brush has photocatalyst layer in the water tank, ultraviolet lamp is installed through the bolt in the upper portion of water tank, ultraviolet lamp's illuminating part runs through in the upper portion of water tank, the one end that the booster pump was kept away from to the air duct is linked together with the lateral wall of water tank, the lower extreme of outlet duct communicates with the upper portion of water tank.
Preferably, filtering mechanism includes the blast pipe, install the filter screen in the blast pipe, the one end that the blast pipe is close to the filter screen is provided with the internal thread, the blast pipe is kept away from the one end of internal thread and is installed the active carbon net, the blast pipe passes through the internal thread and is connected with the outlet duct.
Preferably, the bottom of the dust settling chamber is communicated with a dust exhaust pipe, and a gate valve is arranged on the dust exhaust pipe.
Preferably, the bottom of the water tank is arranged in a conical manner, the bottom of the water tank is communicated with a drain pipe, and the side part of the water tank is communicated with a water inlet pipe.
Preferably, the wavelength of the ultraviolet light generated by the ultraviolet lamp is 280-320nm, and the photocatalyst layer adopts a nano titanium dioxide photocatalyst.
Preferably, the mesh number of the filter screen is 325 meshes, and the filter screen is a stainless steel filter screen.
Preferably, ball valves are mounted on the water outlet pipe and the water inlet pipe.
Preferably, the suction nozzles are provided with at least two groups, and the suction nozzles are positioned on the side of the laser cutting main body.
The invention has the technical effects and advantages that: compared with the prior art, the smoke cleaning and filtering device for laser cutting provided by the invention has the following advantages:
1. by using the dust washing mechanism, when the laser cutting main body works, the smoke generated by cutting the laser cutting main body can be sucked by the suction nozzle through the suction force generated by the work of the exhaust fan, then the smoke is sent into the dust settling chamber through the air outlet pipe, part of dust in the smoke is blocked by the cyclone plate to enable the dust to fall into the bottom of the dust settling chamber, the smoke passing through the cyclone plate is sucked into the water tank through the booster pump, after the water in the water tank is cleaned, the smoke can be sterilized and decomposed through the matching of the ultraviolet lamp and the photocatalyst layer, the smoke can be effectively cleaned, and the harm of the smoke to the environment and workers is reduced.
2. By using the filtering mechanism, the smoke can be discharged from the gas outlet pipe after dust fall, dust absorption, sterilization and disinfection, the smoke is further filtered by the filter screen when passing through the gas outlet pipe, dust carried in the discharged gas is filtered out, and the dust is filtered and peculiar smell is removed by the activated carbon net, so that the discharged gas is effectively filtered and peculiar smell is removed, the harm to the environment and workers is reduced, and the filtering mechanism can be conveniently detached and replaced by using the internal thread.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of a water tank of the present invention;
FIG. 3 is an exploded view of the outlet tube and filter mechanism of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 5 is a schematic cross-sectional view of the clean room of the present invention;
FIG. 6 is a schematic bottom view of the annular tube of the present invention.
In the figure: 1. a support; 2. a suction nozzle; 3. an electric sliding table; 4. laser cutting the body; 5. a pipe clamp; 6. a metal hose; 7. an exhaust fan; 8. an air outlet pipe; 9. a dust settling chamber; 10. an exhaust duct; 11. a booster pump; 12. a swirl plate; 13. an air duct; 14. a dust washing mechanism; 15. an air outlet pipe; 16. a filtering mechanism; 17. a water tank; 18. a photocatalyst layer; 19. an ultraviolet lamp; 20. an internal thread; 21. an activated carbon mesh; 22. a dust exhaust pipe; 23. a drain pipe; 24. a water inlet pipe; 25. an exhaust pipe; 26. filtering with a screen; 27. an annular tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a smoke cleaning and filtering device for laser cutting as shown in figures 1-6, which comprises a bracket 1 and suction nozzles 2, wherein the suction nozzles 2 are arranged in a bell mouth shape, at least two groups of suction nozzles 2 are arranged, the suction nozzles 2 are positioned at the side part of a laser cutting main body 4, the smoke suction efficiency can be improved, the smoke diffusion to the surrounding environment can be reduced, an electric sliding table 3 is arranged on the bracket 1 through bolts, the laser cutting main body 4 is arranged on the electric sliding table 3, a pipe clamp 5 is fixedly welded on the electric sliding table 3, an annular pipe 27 is clamped in the pipe clamp 5, the annular pipe 27 is communicated with the suction nozzles 2 through a metal hose 6, the metal hose 6 has a shaping function, the suction direction of the suction nozzles 2 can be adjusted through twisting the metal hose 6, the suction coverage range of the suction nozzles 2 can be improved, the annular pipe 27 is communicated with an exhaust fan 7 through a connecting pipe, the air exhauster 7 is communicated with a dust settling chamber 9 through an air outlet pipe 8, the bottom of the dust settling chamber 9 is communicated with a dust exhaust pipe 22, a gate valve is mounted on the dust exhaust pipe 22, the dust exhaust pipe 22 and the gate valve are used, dust intercepted in the dust settling chamber 9 is conveniently and regularly discharged, the dust settling chamber 9 is conveniently cleaned, the upper end side portion of the dust settling chamber 9 is communicated with a booster pump 11 through an exhaust pipe 10, a rotational flow plate 12 is welded and fixed on the inner wall of the dust settling chamber 9, the rotational flow plate 12 is located between the air outlet pipe 8 and the exhaust pipe 10, the air outlet pipe 8 is located below the exhaust pipe 10, the booster pump 11 is communicated with a dust washing mechanism 14 through an air duct 13, the dust washing mechanism 14 is communicated with an air outlet pipe 15, and one end of the air outlet pipe 15 is connected with a filtering mechanism.
The dust washing mechanism 14 comprises a water tank 17, a photocatalyst layer 18 is coated in the water tank 17, an ultraviolet lamp 19 is installed on the upper portion of the water tank 17 through a bolt, the ultraviolet lamp 19 is electrically connected with an external power supply through an electric wire, a light emitting portion of the ultraviolet lamp 19 penetrates through the upper portion of the water tank 17, one end, far away from the booster pump 11, of the air guide pipe 13 is communicated with the side wall of the water tank 17, the lower end of the air guide pipe 15 is communicated with the upper portion of the water tank 17, through the use of the dust washing mechanism 14, when the laser cutting main body 4 works, suction force generated by the work of the exhaust fan 7 can suck smoke generated by the cutting of the laser cutting main body 4 through the suction nozzle 2, then the smoke is sent into the dust settling chamber 9 through the air outlet pipe 8, partial dust in the smoke is blocked through the rotational flow plate 12 to fall into the bottom of the dust settling chamber 9, the smoke penetrating, through the cooperation of ultraviolet lamp 19 and photocatalyst layer 18, can disinfect and decompose smog, can carry out effectual clearance to smog, reduce smog to environment and workman's harm, the bottom of water tank 17 is the toper setting, and the bottom intercommunication of water tank 17 has drain pipe 23, the lateral part intercommunication of water tank 17 has inlet tube 24, through setting up the bottom of water tank 17 into the toper, the dust that the aquatic was held back of being convenient for when convenient regularly changing the water in the water tank 17 discharges, all install the ball valve on drain pipe 23 and the inlet tube 24, when being convenient for water tank 17 to change water, avoid the gas in the water tank 17 to discharge from drain pipe 23 and inlet tube 24, the ultraviolet wavelength that ultraviolet lamp 19 produced is 280 and 320nm, photocatalyst layer 18 adopts nanometer titanium dioxide photocatalyst, can guarantee that photocatalyst layer 18 carries out effectual processing to smog.
The filtering mechanism 16 comprises an exhaust pipe 25, a filter screen 26 is installed in the exhaust pipe 25, an internal thread 20 is arranged at one end of the exhaust pipe 25 close to the filter screen 26, an activated carbon net 21 is installed at one end of the exhaust pipe 25 far away from the internal thread 20, the exhaust pipe 25 is connected with the exhaust pipe 15 through the internal thread 20, through the use of the filtering mechanism 16, smoke can be discharged from the exhaust pipe 15 after dust fall, dust absorption and sterilization, when the smoke passes through the exhaust pipe 25, the smoke is further filtered through the filter screen 26, dust carried in the discharged gas is filtered out, and the dust is filtered and peculiar smell is removed through the activated carbon net 21, so that the discharged gas is effectively filtered and peculiar smell is removed, the harm to the environment and workers is reduced, through the use of the internal thread 20, the filtering mechanism 16 can be conveniently detached, the filtering mechanism 16 is conveniently replaced, the mesh number of, and the filter screen 26 is set to be a stainless steel filter screen, which can ensure that the filter screen 26 can effectively filter the exhaust gas.
The working principle is as follows: when the laser cutting main body 4 works, the suction force generated by the work of the exhaust fan 7 can suck the smoke generated by the cutting of the laser cutting main body 4 through the suction nozzle 2, then the smoke is sent into the dust settling chamber 9 through the air outlet pipe 8, part of dust in the smoke is blocked by the rotational flow plate 12 to enable the dust to fall into the bottom of the dust settling chamber 9, the smoke passing through the rotational flow plate 12 is sucked into the water tank through the booster pump 11, after the water in the water tank 17 is cleaned, the smoke can be sterilized and decomposed through the cooperation of the ultraviolet lamp 19 and the photocatalyst layer 18, after the smoke is subjected to dust settling, dust absorption and sterilization, the smoke is discharged from the air outlet pipe 15, the smoke is further filtered through the filter screen 26 in the exhaust pipe 25, the dust carried in the exhaust gas is filtered, the peculiar smell is removed through the activated carbon net 21, and the exhaust gas is effectively filtered and the peculiar smell is removed, reduce the harm to environment and workman to through the use of internal thread 20, can conveniently dismantle filtering mechanism 16, conveniently change filtering mechanism 16.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a smog clearance filter equipment for laser cutting, includes support (1) and suction nozzle (2), its characterized in that: install electronic slip table (3) through the bolt on support (1), install laser cutting main part (4) on electronic slip table (3), welded fastening has pipe strap (5) on electronic slip table (3), the joint has ring pipe (27) in pipe strap (5), ring pipe (27) are linked together through metal collapsible tube (6) and suction nozzle (2), ring pipe (27) have air exhauster (7) through the connecting pipe intercommunication, air exhauster (7) have dust settling chamber (9) through air-out pipe (8) intercommunication, the upper end lateral part of dust settling chamber (9) has booster pump (11) through exhaust pipe (10) intercommunication, welded fastening has whirl board (12) on the inner wall of dust settling chamber (9), whirl board (12) are located between air-out pipe (8) and exhaust pipe (10), and air-out pipe (8) are located the below of exhaust pipe (10), the booster pump (11) is communicated with a dust washing mechanism (14) through an air duct (13), the dust washing mechanism (14) is communicated with an air outlet pipe (15), and one end of the air outlet pipe (15) is in threaded connection with a filtering mechanism (16).
2. The fume cleaning filter for laser cutting according to claim 1, wherein: dust washing mechanism (14) include water tank (17), the internal painting of water tank (17) has photocatalyst layer (18), ultraviolet lamp (19) are installed through the bolt in the upper portion of water tank (17), the illuminating part of ultraviolet lamp (19) runs through in the upper portion of water tank (17), the one end that booster pump (11) were kept away from in air duct (13) is linked together with the lateral wall of water tank (17), the lower extreme of outlet duct (15) and the upper portion intercommunication of water tank (17).
3. The fume cleaning filter for laser cutting according to claim 1, wherein: filtering mechanism (16) include blast pipe (25), install filter screen (26) in blast pipe (25), the one end that blast pipe (25) are close to filter screen (26) is provided with internal thread (20), activated carbon net (21) are installed to the one end that internal thread (20) were kept away from in blast pipe (25), blast pipe (25) are connected with outlet duct (15) through internal thread (20).
4. The fume cleaning filter for laser cutting according to claim 1, wherein: the bottom of the dust settling chamber (9) is communicated with a dust exhaust pipe (22), and a gate valve is arranged on the dust exhaust pipe (22).
5. The fume cleaning filter for laser cutting as claimed in claim 2, wherein: the bottom of water tank (17) is the toper setting, and the bottom intercommunication of water tank (17) has drain pipe (23), the lateral part intercommunication of water tank (17) has inlet tube (24).
6. The fume cleaning filter for laser cutting as claimed in claim 2, wherein: the wavelength of the ultraviolet light generated by the ultraviolet lamp (19) is 280-320nm, and the photocatalyst layer (18) adopts a nano titanium dioxide photocatalyst.
7. The fume cleaning filter for laser cutting as claimed in claim 3, wherein: the mesh number of the filter screen (26) is set to be 325 meshes, and the filter screen (26) is set to be a stainless steel filter screen.
8. The fume cleaning filter for laser cutting as claimed in claim 5, wherein: ball valves are arranged on the drain pipe (23) and the water inlet pipe (24).
9. The fume cleaning filter for laser cutting according to claim 1, wherein: the suction nozzle (2) is provided with at least two groups, and the suction nozzle (2) is positioned on the side of the laser cutting main body (4).
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CN201911241130.3A CN110898664A (en) | 2019-12-06 | 2019-12-06 | Smog cleaning and filtering device for laser cutting |
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CN201911241130.3A CN110898664A (en) | 2019-12-06 | 2019-12-06 | Smog cleaning and filtering device for laser cutting |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111419390A (en) * | 2020-04-02 | 2020-07-17 | 汕头市杰泰电子科技有限公司 | Laser scalpel |
CN112277094A (en) * | 2020-10-30 | 2021-01-29 | 韩豪 | Cutting device for plate processing |
CN114378431A (en) * | 2022-02-07 | 2022-04-22 | 扬州航飞精密机电有限公司 | Laser precision welding device |
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CN114378431A (en) * | 2022-02-07 | 2022-04-22 | 扬州航飞精密机电有限公司 | Laser precision welding device |
CN114378431B (en) * | 2022-02-07 | 2022-10-21 | 扬州航飞精密机电有限公司 | Laser precision welding device |
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