CN212701183U

CN212701183U - Waste gas treatment device for laser cutting

Info

Publication number: CN212701183U
Application number: CN202021572616.3U
Authority: CN
Inventors: 刁文海; 谢黧; 方泽华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-16
Anticipated expiration: 2030-07-31

Abstract

The utility model belongs to the technical field of processing machinery, in particular to a waste gas treatment device for laser cutting, which is convenient for collecting and processing dust-containing gas generated in the laser cutting process, reduces the damage to the health of operators, reduces the use limitation, and improves the use reliability, and comprises a dust hood, a filter box, a supporting plate and a spraying box, wherein the dust hood is communicated with the top end of the filter box through a steel wire hose, the steel wire hose is communicated with a centrifugal extension, and the bottom end of a centrifugal fan is fixedly arranged at the top end of the filter box; the fixed box is communicated with the exhaust port through a communication port, the baffle cover is positioned in the fixed box, the bottom end of the exhaust pipe is communicated with the top end of the fixed box, and the exhaust pipe is provided with a secondary filter; still include the waste liquid case, the waste liquid bottom of the case end is connected with the top of connecting plate to the top of waste liquid case and the bottom that sprays the case pass through the waste liquid pipe intercommunication, and the intercommunication is provided with manual control valve on the waste liquid pipe.

Description

Waste gas treatment device for laser cutting

Technical Field

The utility model belongs to the technical field of processing machinery device, especially, relate to a waste gas treatment device for laser cutting.

Background

Laser cutting is to irradiate a workpiece with a focused high-power-density laser beam to quickly melt, vaporize and ablate the irradiated material or reach a burning point, and simultaneously blow off the molten material by means of a high-speed airflow coaxial with the beam, thereby realizing the cutting of the workpiece. Laser cutting is one of the thermal cutting methods. Laser cutting equipment can produce more dirty gas in the use, and these dirty gas breathe into the health by operating personnel easily, influence people's healthy, generally adopt devices such as exhaust fans to place around the cutting environment among the prior art, blow away dirty gas, and it can not effectually handle dirty gas, leads to its use limitation higher, and the use reliability is lower.

SUMMERY OF THE UTILITY MODEL

To the problem in the background, the utility model aims to provide a waste gas treatment device for laser cutting convenient to produce in the laser cutting process collects the processing, reduces the harm healthy to operating personnel, reduces and uses the limitation, improves the use reliability.

In order to realize the aim, the utility model provides a waste gas treatment device for laser cutting, which comprises a dust hood, a filter box, a support plate and a spray box, wherein four corners of the bottom end of the support plate are all vertically provided with support legs, four groups of support legs are transversely and fixedly provided with connecting plates, the outer part of the bottom end of the filter box is fixedly connected with the left side of the top end of the support plate, the inner part of the filter box is provided with a plurality of groups of filter screen plates, four groups of outer walls of the plurality of groups of filter screen plates are respectively connected with the peripheral inner walls of the filter box in a sealing way, the right ends of the plurality of groups of filter screen plates are arranged in an upward inclined way, the intervals among the plurality of groups of filter screen plates are all provided with dust removal filter cloth, the bottom end of the spray box is connected with the right side of the top end of the support plate, the, the top end of the water tank is provided with a water storage port, the middle part of the top end of the spraying box is provided with a spraying pump, the bottom end of the spraying pump is communicated with a spraying pipe, the bottom end of the spraying pipe penetrates through the outer wall of the top end of the spraying box and extends into the upper side inside the spraying box, the bottom end of the spraying pipe is communicated with a spraying disc, the bottom end of the spraying disc is provided with a plurality of groups of nozzles, the top end of the spraying pump is communicated with the bottom end of the water tank through a communicating pipe, the outer wall of the right end of the spraying box is provided with an exhaust port, a blocking cover is arranged on the exhaust port, the peripheral edge area of the exhaust port is provided with placing grooves, springs are connected to the inner wall of the left side of each group of placing grooves, the right end of each group of springs is respectively and fixedly connected with the edge area of the left side wall of the blocking cover, the, the bottom end of the centrifugal fan is fixedly arranged at the top end of the filter box; the left end of the fixed box is provided with a communicating port, the fixed box is communicated with the exhaust port through the communicating port, the baffle cover is positioned in the fixed box, the bottom end of the exhaust pipe is communicated with the top end of the fixed box, and the exhaust pipe is provided with a secondary filter; still include the waste liquid case, waste liquid bottom of the case end with the top of connecting plate is connected to the top of waste liquid case and the bottom that sprays the case pass through the waste liquid pipe intercommunication, and the intercommunication is provided with manual control valve on the waste liquid pipe.

For further filter dusty gas, the utility model discloses the improvement has, secondary filter includes first filter mantle and second filter mantle, first filter mantle intercommunication cover is established the top of blast pipe, and the outside at first filter mantle is established to the second filter mantle cover, is formed with the cavity between first filter mantle and the second filter mantle to the inside packing of cavity is provided with the multiunit filter pulp.

In order to make things convenient for the dismantlement and the installation support of water tank, the utility model discloses the improvement has, detachable device includes four screwed pipes of group and four threaded rods of group, the top of four threaded rods of group respectively with left front side, left rear side, right front side and the right rear side of water tank bottom outer wall are connected, and the bottom of four screwed pipes of group respectively with left front side, left rear side, right front side and the right rear side rotatable coupling of spray box top outer wall, the bottom of four threaded rods of group screw rod is inside the top of the screwed pipe of group inserts to four threaded pipes of group respectively.

In order to improve the installation stability of spraying dish, the utility model discloses the improvement has, the four corners region of spraying dish top outer wall all through the connecting rod with the top inner wall fixed connection who sprays the case.

For the convenient waste liquid that sprays incasement portion flows into waste liquid incasement portion, the utility model discloses the improvement has, the inside downside intercommunication that sprays the case is provided with the kuppe to the bottom of kuppe with the top intercommunication of waste liquid pipe.

For the cover and the laser cutting equipment installation of conveniently breathing in, the utility model discloses the improvement has, the bottom of suction hood is provided with the installing support.

The beneficial effects of the utility model are that: the waste gas treatment device for laser cutting with a novel structure can increase the dust absorption area through the arrangement of the dust hood, and can generate negative pressure inside the filter box through the rotation of the centrifugal fan, so that dust-containing gas generated in the laser cutting process can be absorbed into the filter box through the dust hood, the dust-containing gas absorbed into the filter box is preliminarily filtered through the matching between the multiple groups of filter screen plates and the dust removal filter cloth, dust with larger particles in the dust-containing gas is intercepted into the filter box, then the filtered gas enters the spray box, water can be stored through the water tank, the water in the water tank is sprayed into the dust-containing gas in the spray box under the action of the spray disc through the action of the spray pump, the baffle cover is tightly covered on the exhaust port through the pulling force of multiple groups of springs, and the speed of the gas in the spray box to be discharged from the exhaust port is convenient to block, thereby can improve the contact time between water and the dirty gas, be convenient for wash away remaining dust in the dirty gas, open manual control valve, the waste liquid after will washing away flows into to waste liquid incasement portion under the effect of kuppe and collects the processing, when spraying incasement portion pressure great, can promote the spring extension, gas after the washing away pushes away the fender lid and spills over to fixed incasement portion, filter once more through secondary filter at last, through the blast pipe discharge, thereby can realize being convenient for collect the processing to the dirty gas that produces among the laser cutting process, reduce the harm healthy to operating personnel, reduce the use limitation, improve the use reliability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of a partial enlarged structure at a in fig. 1 according to the present invention.

Fig. 3 is a schematic diagram of a partial enlarged structure at B in fig. 1 according to the present invention.

Fig. 4 is a schematic diagram of a partial enlarged structure at C in fig. 1 according to the present invention.

Fig. 5 is a schematic diagram of a partial enlarged structure at D in fig. 1 according to the present invention.

Description of the drawings: 1-a dust hood; 2-a filter box; 3-a support plate; 4-spraying box; 5-a support leg; 6-connecting plates; 7-filtering the screen plate; 8-dust removal filter cloth; 9-a water tank; 10-a spray pump; 11-a spray pipe; 12-spraying a disc; 13-a nozzle; 14-a shield cover; 15-a spring; 16-a steel wire hose; 17-a stationary box; 18-an exhaust pipe; 19-waste liquid tank; 20-a waste pipe; 21-a manual control valve; 22-a first filter cage; 23-a second filter housing; 24-filter cotton; 25-a threaded pipe; 26-a threaded rod; 27-a connecting rod; 28-a flow guide sleeve; 29-mounting the bracket.

Detailed Description

In order to make the technical solution of the present invention more apparent, the present invention will be further described in detail with reference to the following examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 5, the utility model relates to a waste gas treatment device for laser cutting, which comprises a dust hood 1, a filter box 2, a support plate 3 and a spray box 4, wherein four corners of the bottom end of the support plate 3 are all vertically provided with support legs 5, four groups of support legs 5 are horizontally and fixedly provided with connecting plates 6, the bottom outer part of the filter box 2 is fixedly connected with the left side of the top end of the support plate 3, the filter box 2 is internally provided with a plurality of groups of filter screen plates 7, four groups of outer walls of the plurality of groups of filter screen plates 7 are respectively connected with the peripheral inner walls of the filter box 2 in a sealing way, the right ends of the plurality of groups of filter screen plates 7 are upwards inclined, the spaces among the plurality of groups of filter screen plates 7 are all provided with dust removing filter cloth 8, the bottom end of the spray box 4 is connected with the right side of the top end of the, the water tank 9 is erected on the outer wall of the top end of the spray tank 4 through a detachable device, the top end of the water tank 9 is provided with a water storage port, the middle part of the top end of the spray tank 4 is provided with a spray pump 10, the bottom end of the spray pump 10 is communicated with a spray pipe 11, the bottom end of the spray pipe 11 penetrates through the outer wall of the top end of the spray tank 4 and extends into the upper side inside the spray tank 4, the bottom end of the spray pipe 11 is communicated with a spray disc 12, the bottom end of the spray disc 12 is communicated with a plurality of groups of nozzles 13, the top end of the spray pump 10 is communicated with the bottom end of the water tank 9 through a communication pipe, the outer wall of the right end of the spray tank 4 is provided with an exhaust port, the exhaust port is provided with a blocking cover 14, the peripheral edge regions of the exhaust port are provided with placing grooves, the inner wall of the left side of, the baffle cover 14 is closely covered at the right end of the exhaust port, the dust hood 1 is communicated with the top end of the filter box 2 through a steel wire hose 16, a centrifugal separator is communicated and arranged on the steel wire hose 16, and the bottom end of the centrifugal separator 30 is fixedly arranged at the top end of the filter box 2; the air purifier also comprises a fixed box 17 and a spleen air pipe 18, wherein the left end of the fixed box 17 is provided with a communication port, the fixed box 17 is communicated with an air outlet through the communication port, the baffle cover 14 is positioned inside the fixed box 17, the bottom end of the spleen air pipe 18 is communicated with the top end of the fixed box 17, and the spleen air pipe 18 is provided with a secondary filter; the spraying device also comprises a waste liquid box 19, the bottom end of the waste liquid box 19 is connected with the top end of the connecting plate 6, the top end of the waste liquid box 19 is communicated with the bottom end of the spraying box 4 through a waste liquid pipe 20, and the waste liquid pipe 20 is communicated with a manual control valve 21; can increase the dust absorption area through the setting of the dust hood 1, through the rotation of the centrifugal machine 30, make the inside negative pressure that produces of filter box 2, thereby can absorb the dust-laden gas that produces in the laser cutting process to the inside of filter box 2 through the dust hood 1, through the cooperation between multiunit filter screen 7 and the dust removal filter cloth 8, carry out the preliminary filtration to the dust-laden gas that inhales to the inside of filter box, intercept the great dust of granule in the dust-laden gas to the inside of filter box 2, then the gas after the filtration gets into the inside of spray box 4, can store water through the water tank 9, and through the effect of the spray pump 10, spray the water in the inside of water tank 9 in the dust-laden gas in the inside of spray box 4 under the effect of the shower tray 12, through the pulling force of multiunit spring 15, make the fender lid 14 cover tightly on the gas vent, be convenient for block the speed that sprays the inside of spray box 4 gas from the gas vent exhaust, thereby can improve the contact time between water and the dirty gas, be convenient for wash away remaining dust in the dirty gas, open manual control valve 21, the waste liquid after will washing away flows into to waste liquid case 19 inside under kuppe 28's effect and collects the processing, when spraying 4 internal pressure of case is great, can promote spring 15 extension, gas after the washing away pushes away and keeps off lid 14 and spill over to fixed case 17 is inside, filter once more through the secondary filter at last, through spleen trachea 18 discharges, thereby can realize being convenient for collect the processing to the dirty gas that produces among the laser cutting process, reduce the harm to operating personnel health, reduce the use limitation, improve the use reliability.

In order to further filter the dust-containing gas, the secondary filter comprises a first filter cover 22 and a second filter cover 23, the first filter cover 22 is covered at the top end of the spleen air pipe 18 in a communicating way, the second filter cover 23 is covered outside the first filter cover 22, a cavity is formed between the first filter cover 22 and the second filter cover 23, and a plurality of groups of filter cotton 24 are filled in the cavity; the filter cotton 24 can be fixed by the first filter cover 22 and the second filter cover 23, and the flushed gas can be further filtered by the filter cotton 24, so that the purifying effect on the dust-containing gas is improved. In order to facilitate the disassembly, installation and support of the water tank 9, the disassembling device comprises four groups of threaded pipes 25 and four groups of threaded rods 26, the top ends of the four groups of threaded rods 26 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the outer wall of the bottom end of the water tank 9, the bottom ends of the four groups of threaded pipes 25 are respectively rotatably connected with the left front side, the left rear side, the right front side and the right rear side of the outer wall of the top end of the spray box 4, and the bottom ends of the four groups of threaded rods 26 are respectively inserted into the top ends of the; the four groups of threaded pipes 25 can be synchronously rotated to enable the four groups of threaded rods 26 to simultaneously and respectively unscrew from the insides of the four groups of threaded pipes 25, so that the water tank 9 is convenient to disassemble, and the four groups of threaded rods 26 can respectively and reversely rotate the four groups of threaded pipes 25 to respectively unscrew into the four groups of threaded pipes 25, so that the water tank 9 is convenient to install. In order to improve the installation stability of the spray disk 12, four corner regions of the outer wall of the top end of the spray disk 12 are fixedly connected with the inner wall of the top end of the spray box 4 through connecting rods 27. In order to facilitate the waste liquid inside the spraying box 4 to flow into the waste liquid box 19, the lower side inside the spraying box 4 is communicated with a diversion cover 28, and the bottom end of the diversion cover 28 is communicated with the top end of the waste liquid pipe 20. In order to facilitate the installation of the suction hood and the laser cutting equipment, the bottom end of the suction hood 1 is provided with an installation bracket 29; can be through installing support 29 with suction hood 1 fixed mounting on cutting equipment's dust absorption position, the use of being convenient for suction hood 1 is collected dusty gas, improves stability in use.

When in use: firstly, the whole body is moved beside a cutting device, then a dust hood 1 is fixedly installed on a proper dust collection position of a laser cutting device through an installation support 29, then the inside of a water tank 9 is filled with water, a spray pump 10 and a centrifugal machine 30 are communicated with a power supply, when the cutting device is used for cutting, the centrifugal machine 30 is opened, dust-containing gas is sucked into a filter box 2 for preliminary filtration, the spray pump 10 is opened, the filtered gas is subjected to spray washing through the water inside a spray box 4, the washed gas is subjected to final filtration and discharge through filter cotton 24, a manual control valve 21 is opened, and the washed waste liquid flows into a waste liquid box 19 under the action of a flow guide cover 28 for collection and treatment.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a waste gas treatment device for laser cutting which characterized in that: comprises a dust hood, a filter box, a support plate and a spray box, wherein four corners of the bottom end of the support plate are longitudinally provided with support legs, connecting plates are transversely and fixedly arranged among four groups of support legs, the outer part of the bottom end of the filter box is fixedly connected with the left side of the top end of the support plate, a plurality of groups of filter screen plates are arranged in the filter box, four outer walls of the plurality of groups of filter screen plates are respectively in sealing connection with the inner walls around the filter box, the right ends of the plurality of groups of filter screen plates are obliquely arranged upwards, dust removing filter cloth is arranged in intervals among the plurality of groups of filter screen plates, the bottom end of the spray box is connected with the right side of the top end of the support plate, the left end of the spray box is communicated with the right end of the filter box, the top end of the spray box is provided with a water tank, the water tank, the bottom end of the spray pump is communicated with a spray pipe, the bottom end of the spray pipe penetrates through the outer wall of the top end of the spray box and extends into the upper side of the interior of the spray box, the bottom end of the spray pipe is communicated with a spray disc, and the bottom end of the spray disk is communicated with a plurality of groups of nozzles, the top end of the spray pump is communicated with the bottom end of the water tank through a communicating pipe, the outer wall of the right end of the spray tank is provided with an exhaust port, the exhaust port is provided with a baffle cover, the peripheral edge area of the exhaust port is provided with placing grooves, the inner wall of the left side of each group of placing grooves is connected with a spring, the right end of each group of springs is fixedly connected with the edge area of the left side wall of the baffle cover, the baffle cover is closely covered at the right end of the exhaust port, the dust hood is communicated with the top end of the filter box through a steel wire hose, the steel wire hose is communicated with a centrifugal separator, and the bottom end of the centrifugal fan is fixedly arranged at the top end of the filter box; the left end of the fixed box is provided with a communicating port, the fixed box is communicated with the exhaust port through the communicating port, the baffle cover is positioned in the fixed box, the bottom end of the exhaust pipe is communicated with the top end of the fixed box, and the exhaust pipe is provided with a secondary filter; still include the waste liquid case, waste liquid bottom of the case end with the top of connecting plate is connected to the top of waste liquid case and the bottom that sprays the case pass through the waste liquid pipe intercommunication, and the intercommunication is provided with manual control valve on the waste liquid pipe.

2. The exhaust gas treatment device for laser cutting according to claim 1, wherein: the secondary filter comprises a first filter cover and a second filter cover, the first filter cover is communicated with the exhaust pipe and covered on the top end of the exhaust pipe, the second filter cover is covered outside the first filter cover, a cavity is formed between the first filter cover and the second filter cover, and multiple groups of filter cotton are filled in the cavity.

3. The exhaust gas treatment device for laser cutting according to claim 1, wherein: the detachable device comprises four groups of threaded pipes and four groups of threaded rods, the top ends of the four groups of threaded rods are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the outer wall of the bottom end of the water tank, the bottom ends of the four groups of threaded pipes are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the outer wall of the top end of the spray box in a rotatable mode, and the bottom ends of the four groups of threaded rods are respectively inserted into the top ends of the four groups of threaded pipes in a screwed mode.

4. The exhaust gas treatment device for laser cutting according to claim 1, wherein: the four corners of the outer wall of the top end of the spraying plate are fixedly connected with the inner wall of the top end of the spraying box through connecting rods.

5. The exhaust gas treatment device for laser cutting according to claim 1, wherein: the inside downside intercommunication that sprays the case is provided with the kuppe to the bottom of kuppe with the top intercommunication of waste liquid pipe.

6. The exhaust gas treatment device for laser cutting according to claim 1, wherein: and the bottom end of the dust hood is provided with a mounting bracket.