CN213730031U

CN213730031U - Waste gas recovery device of laser cutting machine

Info

Publication number: CN213730031U
Application number: CN202022300504.9U
Authority: CN
Inventors: 安影杰
Original assignee: Golden Speed Laser Technology Baoding Co ltd
Current assignee: Golden Speed Laser Technology Baoding Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-20
Anticipated expiration: 2030-10-15

Abstract

The utility model belongs to the technical field of laser cutting machines, and discloses a waste gas recovery device of a laser cutting machine, which solves the problem that the existing waste gas recovery device can not filter waste gas thoroughly; the technical key points are as follows: the automatic air return device comprises a workbench, the left top fixed mounting of workstation has the cutting machine, cutting machine top demountable installation has the sealed cowling, sealed cowling top intercommunication has the breathing pipe, the one end fixed mounting that the breathing pipe is located the sealed cowling has the fan, the both ends intercommunication that the cutting machine was kept away from to the breathing pipe has the humidification case of fixing at the workstation top, it is connected with the spray pipe to rotate on the inner wall about the humidification case, fixed mounting has multiunit evenly distributed's atomizing nozzle on the circumference surface of spray pipe, there is the stoving case of fixed mounting at the workstation top humidification case right side through the pipe intercommunication, stoving case right side has the air compressor who fixes at the workstation top through the pipe intercommunication, the air compressor right side is connected with the muffler that communicates with the cutting machine.

Description

Waste gas recovery device of laser cutting machine

Technical Field

The utility model relates to a laser cutting machine technical field specifically is a laser cutting machine waste gas recovery device.

Background

Along with the rapid development of industry, laser cutting machines are more and more popular with people, break through the traditional cutting processing mode, the laser cutting machines irradiate the surface of a workpiece to be cut through emitting laser beams, so that the workpiece reaches a melting point, meanwhile, high-pressure gas can be sprayed out by cutting heads to blow away cut scrap metal, and along with the continuous movement of the workpiece or the cutting machines, the whole cutting process is further completed, but the existing cutting machines cannot process dust and waste gas generated in the cutting process, and the use requirements of users cannot be met.

In order to solve the problems, Chinese patent (publication No. CN 208276345U, publication No. 2018.12.25) discloses a waste gas recycling system of a laser cutting machine, the device is provided with an air inlet nozzle, waste gas is recycled through the air inlet nozzle, and the waste gas is returned to a cutting head for secondary use after being dedusted by an industrial deduster, but the device only singly dedustes the waste gas through the deduster, so that cutting scraps and harmful substances in the waste gas cannot be fully filtered, and the quality of secondary use is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser cutting machine waste gas recovery device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a waste gas recovery device of a laser cutting machine comprises a workbench, wherein supporting legs are fixedly arranged on the periphery of the bottom of the workbench, the cutting machine is fixedly arranged on the left top of the workbench, a sealing cover is detachably arranged on the top of the cutting machine, the top of the sealing cover is communicated with an air suction pipe, a fan is fixedly arranged at one end of the air suction pipe, which is positioned in the sealing cover, two ends of the air suction pipe, which are far away from the cutting machine, are communicated with a humidifying box fixed on the top of the workbench, water spray pipes are rotatably connected onto the left and right inner walls of the humidifying box, a plurality of groups of uniformly distributed atomizing nozzles are fixedly arranged on the circumferential surface of each water spray pipe, the left side of each atomizing nozzle is fixedly provided with a driven helical gear, the top of the humidifying box is fixedly provided with a motor, the output end of the motor extends into the humidifying box and is fixedly connected with a driving helical gear meshed with the driven helical gear, and the top of the humidifying box is fixedly provided with a water tank, the water tank right side fixed mounting has the water pump, and the water pump intercommunication has the raceway, and the one end that the water pump was kept away from to the raceway extends to in the humidification case lateral wall with the spray pipe intercommunication, and the humidification case right side has the stoving case of fixed mounting at the workstation top through the pipe intercommunication, and stoving case right side has the air compressor who fixes at the workstation top through the pipe intercommunication, and the air compressor right side is connected with the muffler that communicates with the cutting machine.

As a further aspect of the present invention: the cutting machine top includes the cutting head, and the breathing pipe is located the fixed intercommunication of the interior one end of sealed cowling and has the multiunit to be the suction nozzle that the annular distributes and surround the cutting head.

As a further aspect of the present invention: a filter screen is fixedly installed between the front inner wall and the rear inner wall of the humidification box, and a dirt collecting box is placed at the bottom of the humidification box.

As a further aspect of the present invention: and a plurality of groups of electric heating pipes which are arranged side by side are fixedly arranged between the inner top wall and the inner bottom wall of the drying box.

As a further aspect of the present invention: the drying box and the humidifying box are communicated through a conduit to form a disinfection filtering box fixed at the top of the workbench, and an activated carbon layer is fixedly installed between the inner top wall and the inner bottom wall of the disinfection filtering box.

Compared with the prior art, the beneficial effects of the utility model are that: the humidifying box is provided with the water spray pipe and the atomizing nozzle, so that the waste gas can be humidified, and scraps, smoke and particulate matters mixed in the waste gas can be effectively removed; by arranging the filter screen and the disinfection filter box, the waste gas can be fully and thoroughly filtered in various filtering modes, and the gas recovery effect is improved; through setting up the stoving case, can carry out the electric heat stoving to the gas after the humidification, avoid influencing the cutting effect with humid gas secondary.

Drawings

Fig. 1 is a schematic structural diagram of an exhaust gas recovery device of a laser cutting machine.

Fig. 2 is a schematic view of a humidifying box in a waste gas recovery device of a laser cutting machine and a connecting structure thereof.

Fig. 3 is a schematic structural diagram of an air inlet nozzle and a cutting head in a waste gas recovery device of a laser cutting machine.

Wherein: the device comprises a workbench 1, supporting legs 2, a cutting machine 3, a sealing cover 4, a fan 5, an air suction pipe 6, a humidifying box 7, a motor 8, a driving bevel gear 9, a driven bevel gear 10, a water spraying pipe 11, an atomizing nozzle 12, a dirt collecting box 13, a filter screen 14, a water tank 15, a water pump 16, a water conveying pipe 17, a disinfecting and filtering box 18, an activated carbon layer 19, a drying box 20, an electric heating pipe 21, an air compressor 22, an air return pipe 23, an air inlet nozzle 24 and a cutting head 25.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

Referring to fig. 1-3, a waste gas recovery device for a laser cutting machine comprises a workbench 1, wherein support legs 2 are fixedly installed around the bottom of the workbench 1, a cutting machine 3 is fixedly installed at the left top of the workbench 1, a sealing cover 4 is detachably installed at the top of the cutting machine 3, pollution caused by scattering of waste gas generated by cutting into the air is avoided through the sealing cover 4, the top of the sealing cover 4 is communicated with an air suction pipe 6, a fan 5 is fixedly installed at one end of the air suction pipe 6 located in the sealing cover 4, two ends of the air suction pipe 6 far away from the cutting machine 3 are communicated with a humidifying box 7 fixed at the top of the workbench 1, water spray pipes 11 are rotatably connected to the left and right inner walls of the humidifying box 7, a plurality of groups of atomizing nozzles 12 which are uniformly distributed are fixedly installed on the circumferential surface of the water spray pipes 11 at the left side of the atomizing nozzles 12, driven helical gears 10 are fixedly installed on the circumferential surface of the water spray pipes 11 at the left side of the atomizing nozzles 12, and a motor 8 is fixedly installed at the top of the humidifying box 7, the output end of the motor 8 extends into the humidifying box 7 and is fixedly connected with a driving bevel gear 9 meshed and connected with a driven bevel gear 10, the top of the humidifying box 7 is fixedly provided with a water tank 15, the right side of the water tank 15 is fixedly provided with a water pump 16, the water pump 16 is communicated with a water delivery pipe 17, one end of the water delivery pipe 17, which is far away from the water pump 16, extends into the side wall of the humidifying box 7 and is communicated with a water spray pipe 11, the motor 8 and the water pump 16 are started, the fan 5 conveys waste gas into the humidifying box 7 through an air suction pipe 6, the motor 8 rotates to drive the water spray pipe 11 to rotate through gear meshing transmission, atomized water is fully sprayed into the humidifying box 7 through an atomizing nozzle 12, cutting debris and smoke impurities contained in the waste gas fall down when meeting the gravity increase of atomized water, the waste gas is filtered, the right side of the humidifying box 7 is communicated with a drying box 20 fixedly arranged at the top of the workbench 1 through a guide pipe, and the filtered gas is dried through the drying box 20, use after avoiding humid gas to retrieve, drying box 20 right side has through the pipe intercommunication to fix the air compressor 22 at workstation 1 top, and air compressor 22 right side is connected with the muffler 23 with cutting machine 3 intercommunication, pressurizes the air after drying through air compressor 22, and the gas after the pressurization is carried back to cutting machine 3 through muffler 23 and is carried out the secondary use again.

Example two

On the basis of the first embodiment, the top of the cutting machine 3 comprises a cutting head 25, a plurality of groups of air inlet nozzles 24 which are annularly distributed and surround the cutting head 25 are fixedly communicated with one end of an air suction pipe 6 which is positioned in a sealing cover 4, chips and waste gas generated by cutting the cutting head 25 can be fully absorbed through the plurality of groups of air inlet nozzles 24, a filter screen 14 is fixedly arranged between the front inner wall and the rear inner wall of a humidifying box 7, waste gas is further filtered through the filter screen 14 to remove floating particles in the waste gas, a dirt collecting box 13 is arranged at the bottom of the humidifying box 7, the dirt collecting box 13 is used for collecting the cutting chips and small particle impurities filtered by fog, a plurality of groups of electric heating pipes 21 which are arranged side by side are fixedly arranged between the inner top wall and the inner bottom wall of a drying box 20, moist air is dried through the electric heating pipes 21, a sterilizing and filtering box 18 which is fixedly arranged, an activated carbon layer 19 is fixedly arranged between the inner top wall and the inner bottom wall of the disinfection and filtration box 18, and harmful substances and fine particles in the gas can be further filtered through the disinfection and filtration box 18.

The utility model discloses a theory of operation is: can fully absorb piece and the waste gas that produces cutting head 25 cutting through the multiunit suction nozzle 24 that sets up at cutting head 25 periphery, import humidification case 7 with waste gas through breathing pipe 6, starter motor 8 rotates and drives the rotation of drive helical gear 9 and then drive driven helical gear 10 and rotate, driven helical gear 10 rotates and drives spray pipe 11 and rotate, carry out the humidification filtration to waste gas through nozzle 12 blowout fog water, can reject out flue gas and particulate matter that mix with in the waste gas, later the rethread filter screen 14 and disinfection filter box 18 carry out further filtration disinfection to gas, the gas that will advance drying box 20 stoving at last carries back cutting machine 3 again through air compressor 22 pressurization and carries out the secondary and uses.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A waste gas recovery device of a laser cutting machine comprises a workbench (1), supporting legs (2) are fixedly installed on the periphery of the bottom of the workbench (1), a cutting machine (3) is fixedly installed at the left top of the workbench (1), and is characterized in that a sealing cover (4) is detachably installed at the top of the cutting machine (3), the top of the sealing cover (4) is communicated with an air suction pipe (6), a fan (5) is fixedly installed at one end of the air suction pipe (6) located in the sealing cover (4), two ends, far away from the cutting machine (3), of the air suction pipe (6) are communicated with a humidifying box (7) fixed at the top of the workbench (1), water spray pipes (11) are rotatably connected to the left inner wall and the right inner wall of the humidifying box (7), a plurality of uniformly distributed atomizing nozzles (12) are fixedly installed on the circumferential surface of the water spray pipes (11) on the left side of the atomizing nozzles, humidification case (7) top fixed mounting has motor (8), the output of motor (8) extends to in humidification case (7) and driving helical gear (9) that fixedly connected with and driven helical gear (10) meshing are connected, humidification case (7) top fixed mounting has water tank (15), water tank (15) right side fixed mounting has water pump (16), water pump (16) intercommunication has raceway (17), the one end that water pump (16) were kept away from in raceway (17) extends to in humidification case (7) lateral wall and spray pipe (11) intercommunication, humidification case (7) right side has drying box (20) of fixed mounting at workstation (1) top through the pipe intercommunication, drying box (20) right side has air compressor (22) of fixing at workstation (1) top through the pipe intercommunication, air compressor (22) right side is connected with muffler (23) with cutting machine (3) intercommunication.

2. The waste gas recovery device of the laser cutting machine as claimed in claim 1, wherein the cutting head (25) is arranged at the top of the cutting machine (3), and the air suction pipe (6) is fixedly communicated with a plurality of groups of air inlet nozzles (24) which are annularly distributed and surround the cutting head (25) and are arranged at the inner end of the sealing cover (4).

3. The waste gas recovery device of the laser cutting machine as claimed in claim 1, wherein a filter screen (14) is fixedly installed between the front inner wall and the rear inner wall of the humidifying box (7), and a dirt collecting box (13) is placed at the bottom of the humidifying box (7).

4. The exhaust gas recovery device of the laser cutting machine according to claim 1, wherein a plurality of groups of electric heating pipes (21) are fixedly arranged between the inner top wall and the inner bottom wall of the drying box (20).

5. The waste gas recovery device of the laser cutting machine as claimed in claim 1, wherein a disinfection filter box (18) fixed on the top of the workbench (1) is communicated between the drying box (20) and the humidifying box (7) through a conduit, and an activated carbon layer (19) is fixedly installed between the inner top wall and the inner bottom wall of the disinfection filter box (18).