CN210306195U

CN210306195U - Plasma cutting waste gas collecting system

Info

Publication number: CN210306195U
Application number: CN201921294655.9U
Authority: CN
Inventors: 潘晓林; 崔荻; 潘峰
Original assignee: Yantai Yongxu Environmental Protection Co Ltd
Current assignee: Yantai Yongxu Environmental Protection Co Ltd
Priority date: 2019-08-10
Filing date: 2019-08-10
Publication date: 2020-04-14
Anticipated expiration: 2029-08-10

Abstract

The utility model relates to the technical field of smoke dust treatment, and discloses a plasma cutting waste gas collecting system, which comprises a cutting platform, wherein slide rails are arranged on two sides of the cutting platform, a gantry is arranged on the slide rails, a plurality of cutting heads are arranged on the gantry, a gas collecting hood is arranged on one side of the gantry, and a fan is arranged on the other side of the gantry; an air pipe is arranged below the gas-collecting hood; one end of the air pipe is sealed, and the other end of the air pipe is connected with the dust remover; a row of ventilation openings are formed in the upper end face of the air pipe at intervals, and a layer of conveying belt covers the upper end face of the air pipe; a first guide rod and a second guide rod are respectively arranged on the inner bottom surface of the gas-collecting hood and close to the two ends; a conveying roller assembly is arranged on the inner top wall of the gas-collecting hood; one side of the gas-collecting hood, which is close to the cutting head, is provided with two air inlets, and the air inlets extend out in the direction close to the cutting platform; a clapboard is arranged inside the gas-collecting hood; a through groove is formed in the upper end face of the air inlet; the baffle is inserted in the through groove. The utility model has the advantages of it is following and effect: it has high efficiency of collecting waste gas.

Description

Plasma cutting waste gas collecting system

Technical Field

The utility model relates to a smoke and dust processing technology field, in particular to plasma cutting exhaust gas collection system.

Background

The plasma arc cutting machine is a machine for processing a metal material by means of a plasma cutting technique, and plasma cutting is a processing method in which a metal portion or a portion at a cut of a workpiece is melted by heat of a high-temperature plasma arc, and the molten metal is removed by momentum of high-speed plasma to form a cut. At present, most of flame cutting, plasma cutting and laser cutting equipment used in industrial production and processing in China are not equipped with smoke and dust treatment equipment, although smoke and dust treatment equipment is added in the later stage of some enterprises, a collection port is fixed at a fixed position of the cutting equipment, because the cutting table area of the cutting equipment is very large, the position of a workbench which is not cut is transparent, so that the collection of smoke and dust in the cutting process of any position cannot be realized, and a part of collection effect can be obtained only when the position close to the collection port is cut. Therefore, various cutting devices in industrial production are urgently required to be equipped with advanced and reasonable smoke collecting and processing devices.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a plasma cutting exhaust gas collection system, its efficient of collecting waste gas.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a plasma cutting waste gas collecting system comprises a cutting platform, wherein slide rails are arranged on two sides of the cutting platform respectively, a gantry is arranged on each slide rail, a plurality of cutting heads are arranged on each gantry, and a gas collecting hood is arranged on one side of each gantry; a fan is arranged on one side of the gantry corresponding to the gas collecting hood, and air inlets of the fan and the gas collecting hood are aligned with an air inlet on the cutting platform; an air pipe communicated with the air collecting hood is arranged below the air collecting hood; one end of the air pipe is sealed, and the other end of the air pipe is connected with the dust remover; the upper end surface of the air pipe is provided with a row of ventilation openings at intervals along the length direction, and the upper end surface of the air pipe is covered with a layer of conveying belt; a first guide rod and a second guide rod are respectively arranged on the inner bottom surface of the gas-collecting hood and close to the two ends of the gas-collecting hood; a conveying roller assembly is arranged on the inner top wall of the gas-collecting hood; one end of the conveying belt is fixed at one end of the air pipe; the other end of the conveying belt winds around the lower surface of the first guide rod from the bottom of the gas collecting hood, then winds to the upper surface of the conveying roller assembly, finally winds around the lower surface of the second guide rod, then winds out of the bottom of the gas collecting hood and is fixed to the other end of the air pipe along the upper surface of the air pipe; two air inlets are formed in one side, close to the cutting head, of the gas collecting hood, and the air inlets extend out in the direction close to the cutting platform; a clapboard is arranged in the gas-collecting hood and between the two air inlets; a through groove is formed in the upper end face of the air inlet; and baffles are inserted into the through grooves.

Through adopting above-mentioned technical scheme, when the cutting machine worked, make gas collecting channel and fan can remove along with the longmen through control longmen. The setting can be along with the gas collecting channel that the cutting head removed together, appeal in the cooperation tuber pipe, can cut at any time and collect the smoke and dust, the conveyer belt makes tuber pipe and gas collecting channel keep the intercommunication, and other positions of tuber pipe are encapsulated situation, the collection effect has been improved, two air intakes with the gas collecting channel distribute in longmen both sides, and can selectively close an air intake through the plug-in baffle, can specifically collect the waste gas that the cutting head that one side is working produced wherein, the speed of breathing in has been accelerated, thereby the collection efficiency is improved, the volume of airing exhaust has also been reduced simultaneously, certain energy-conserving effect has. Set up the fan in inlet scoop offside, can the helping hand waste gas get into air suction pipe for collect speed promotes and collects the effect.

The utility model is further arranged that the inner wall of the air inlet is provided with a chute matched with the through groove; the baffle is connected with the sliding groove in a sliding manner; and a handle is arranged on the upper end surface of the baffle plate and close to the middle part of the baffle plate.

Through adopting above-mentioned technical scheme, it is more smooth and easy when making the baffle insert to set up the spout, and inserts back stable in structure, is difficult to take place to rock, and the setting up of handle makes the convenience more to the use of baffle.

The utility model is further arranged that the positions of the upper end surface of the air pipe and the positions close to the two sides of the air pipe are provided with mounting plates; the mounting plate is arranged along the length direction of the air pipe; and rubber plates attached to the mounting plate are arranged at the positions, close to the bottom, of two sides of the gas collecting hood.

Through adopting above-mentioned technical scheme, the setting of mounting panel and rubber slab has strengthened the leakproofness between gas collecting channel and the tuber pipe, prevents that the smoke and dust from revealing.

The utility model is further arranged in such a way that the conveying roller component comprises a first conveying roller, a second conveying roller, a third conveying roller and a fourth conveying roller which are arranged at intervals along the length direction of the gas collecting hood and are arranged in sequence; a third guide rod is arranged between the first conveying roller and the second conveying roller; and a fourth guide rod is arranged between the third conveying roller and the fourth conveying roller.

Through adopting above-mentioned technical scheme, set up third guide bar and fourth guide bar for the conveyer belt is more convenient when removing, and is difficult for producing the off tracking, prescribes a limit to the position of conveyer belt, makes the conveyer belt remove more steadily. Set up a plurality of conveying rollers, when reducing the gas collecting channel and moving on the tuber pipe, the friction that produces between conveyer belt and the gas collecting channel.

The utility model is further arranged that the upper end surface of the gas collecting hood is provided with a mounting rack; a fixed plate is arranged on the side wall of the gantry close to the gas-collecting hood; the fixing plate is positioned above the mounting rack and is fixed with the upper end face of the mounting rack through a bolt; the end face of the mounting frame close to the gantry is fixed with the gantry through a bolt.

Through adopting above-mentioned technical scheme, through setting up the fixed knot who sets up fixed plate and a plurality of bolt combination mounting bracket for the gas collecting channel is connected more firmly with the longmen, is difficult to take place not hard up, thereby has ensured the normal clear of the process of induced drafting.

The utility model discloses further set up to, first guide bar and second guide bar all rotate with the gas collecting channel and are connected.

Through adopting above-mentioned technical scheme, rotate to connect and reduced the frictional force between first guide bar and second guide bar and the conveyer belt effectively for whole cutting device is more smooth and easy when the operation, also prevents that frictional force from too big causing the damage to this device.

The utility model is further arranged that the two ends of the first guide rod and the second guide rod are provided with limit blocks; the conveyer belt is located between two stopper.

Through adopting above-mentioned technical scheme, the stopper can restrict the position of belt effectively, prevents that belt both sides and gas collecting channel inner wall from taking place the friction, prevents the wearing and tearing of belt.

The utility model discloses further set up as, the surface of conveyer belt is epoxy.

By adopting the technical scheme, the epoxy resin is smooth and washable, is neat and attractive, and improves the tensile property.

To sum up, the utility model discloses a beneficial technological effect does:

1. the air collecting hood capable of moving along with the cutting head is arranged, the air collecting hood can cut at any time to collect smoke dust in cooperation with attraction in the air pipe, the air pipe is communicated with the air collecting hood through the conveying belt, other parts of the air pipe are in a sealed state, the collecting effect is improved, two air inlets of the air collecting hood are distributed on two sides of the gantry, one air inlet can be selectively closed through the movable baffle, the air collecting hood can specifically collect the cutting head on which one side is working, the air suction speed is accelerated, and therefore the collecting efficiency is improved;

2. the air inlets with corresponding quantity can be opened according to the actual condition, the air inlets can move along with the movement of the cutting head, only the area with smoke is intensively drafted, the maximum smoke collecting amount is reached by the minimum air supply amount, and the air suction device is not only beneficial to saving energy and consumption, but also beneficial to improving the air draft efficiency;

3. the position of the belt can be effectively limited by the limiting block, the two sides of the belt are prevented from rubbing with the inner wall of the gas collecting channel, and the belt is prevented from being worn.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

fig. 2 is a schematic view of the structure of the gas collecting channel of the embodiment;

FIG. 3 is a schematic view of an air inlet structure of the embodiment;

fig. 4 is a schematic view of the internal structure of the gas collecting channel of the embodiment;

fig. 5 is a schematic view of the mounting structure of the gas collecting hood and the air duct according to the embodiment.

Reference numerals: 1. cutting the platform; 11. a slide rail; 12. a gantry; 121. a fan; 122. a fixing plate; 13. a cutting head; 2. a gas-collecting hood; 21. a first guide bar; 22. a second guide bar; 23. a conveyor roller assembly; 231. a first conveying roller; 232. a second conveying roller; 233. a third conveying roller; 234. a fourth conveying roller; 24. an air inlet; 241. a through groove; 242. a baffle plate; 243. a chute; 244. a handle; 25. a partition plate; 26. a rubber plate; 27. a mounting frame; 28. a limiting block; 3. an air duct; 31. a vent; 32. a conveyor belt; 33. mounting a plate; 4. a dust remover; 5. a third guide bar; 51. and a fourth guide bar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a plasma cutting waste gas collecting system comprises a cutting platform 1, slide rails 11 are mounted on two sides of the cutting platform 1, a gantry 12 is slidably arranged on the slide rails 11, and a plurality of cutting heads 13 are mounted on the gantry 12 at intervals along the length direction of the gantry 12. The cutting platform 1 comprises a rectangular frame and a bottom plate installed at the bottom of the rectangular frame, and a plurality of cutting plates are installed at intervals in the length direction of the rectangular frame. The length direction of the cutting plate coincides with the sliding direction of the cutting head 13. An air opening is formed between the end part of each two adjacent cutting plates and the rectangular frame, and an air duct is formed between each two adjacent cutting plates.

The gas collecting hood 2 is installed to one side of longmen 12, and the fan 121 is installed to one side that corresponds with gas collecting hood 2 on longmen 12, and the air intake 24 of fan 121 and gas collecting hood 2 all aligns with the wind gap on the cutting platform 1 and sets up. An air pipe 3 communicated with the lower end face of the gas-collecting hood 2 is arranged below the gas-collecting hood 2. One end of the air pipe 3 is arranged in a sealing way, and the other end is connected with the dust remover 4 through a pipeline.

As shown in fig. 2, a row of ventilation openings 31 are formed in the upper end surface of the air duct 3 at intervals along the length direction of the air duct, a layer of conveyor belt 32 covers the upper end surface of the air duct 3, two ends of the conveyor belt 32 are fixed at two ends of the air duct 3, so that the conveyor belt 32 tightly covers the ventilation openings 31, and the surface of the conveyor belt 32 is made of epoxy resin. The upper end face of the gas collecting hood 2 is provided with a mounting frame 27, the side wall of the gantry 12 (shown in fig. 1) close to the gas collecting hood 2 is provided with a fixing plate 122, the fixing plate 122 is positioned above the mounting frame 27, the fixing plate 122 is fixed with the upper end face of the mounting frame 27 through bolts, and the end face of the mounting frame 27 close to the gantry 12 is fixed with the gantry 12 through bolts.

As shown in fig. 2 and 3, two air inlets 24 are provided on one side of the gas collecting hood 2 close to the cutting head 13, and the air inlets 24 extend out in the direction close to the cutting platform 1. A partition plate 25 (as shown in fig. 4) is installed inside the gas collecting hood 2 and between the two air inlets 24, a through groove 241 is opened on the upper end surface of the air inlet 24, a sliding groove 243 matched with the through groove 241 is arranged on the inner wall of the air inlet 24, a baffle 242 is inserted into the through groove 241, the baffle 242 is slidably connected with the sliding groove 243, the upper end surface of the baffle 242 is flush with the upper end surface of the air inlet 24, the lower end surface of the baffle 242 is attached to the bottom of the sliding groove 243, and two sides of the baffle 242 are attached to two sides of the sliding groove. When the baffle 242 is inserted into the through groove 241, the air inlet 24 is closed, and a handle 244 is fixedly mounted on an upper end surface of the baffle 242 near the middle thereof. Inclined surfaces are arranged on the two sides of the through groove 241 in the length direction and at positions close to the upper portion of the through groove 241, and the inclined surfaces incline from bottom to top to positions away from the center of the through groove 241. The upper surface of the through groove 241 is provided with an inclined surface, so that the baffle 242 can be conveniently inserted when the baffle 242 is inserted into the air inlet 24, and because the air inlet 24 has a certain thickness, other positions of the air inlet 24 and the baffle 242 still form a sealing state, and negative pressure is formed in the gas collecting hood 2, so that air leakage cannot be caused.

As shown in fig. 4, a first guide rod 21 and a second guide rod 22 are respectively installed at the inner bottom surface of the gas collecting channel 2 and near the two ends. The first guide rod 21 and the second guide rod 22 are rotatably connected with the gas collecting hood 2, and the lower surfaces of the first guide rod 21 and the second guide rod 22 are close to the upper end surface of the air pipe 3.

The conveying roller assembly 23 is installed to the roof in the gas collecting channel 2, and the conveying roller assembly 23 includes along the gas collecting channel 2 length direction interval set up and the first conveying roller 231, the second conveying roller 232, the third conveying roller 233, the fourth conveying roller 234 that arrange in proper order. A third guide rod 5 is installed between the first conveying roller 231 and the second conveying roller 232 on the top wall in the gas collecting hood 2, and a fourth guide rod 51 is installed between the third conveying roller 233 and the fourth conveying roller 234 on the top wall in the gas collecting hood 2. The axes of the first guide rod 21, the second guide rod 22, the third guide rod 5 and the fourth guide rod 51 are all arranged in parallel, the axes of the first conveying roller 231, the second conveying roller 232, the third conveying roller 233 and the fourth conveying roller 234 are all arranged in parallel, and the axes of the first conveying roller 231 and the first guide rod 21 are parallel and are perpendicular to the length direction of the gas collecting hood 2.

One end of the conveyer belt 32 is fixed at one end of the air duct 3, the other end of the conveyer belt 32 winds around the lower surface of the first guide rod 21 from the bottom of the air collecting channel 2, then winds around the upper surfaces of the first conveying roller 231, the second conveying roller 232, the third conveying roller 233 and the fourth conveying roller 234 in sequence, finally winds around the lower surface of the second guide rod 22, winds out from the bottom of the air collecting channel 2, and is fixed at the other end of the air duct 3 along the upper surface of the air duct 3. Both ends of the first guide rod 21 and the second guide rod 22 are fixedly provided with a limiting block 28, and the conveying belt 32 is positioned between the two limiting blocks 28 and can move.

As shown in fig. 5, mounting plates 33 are fixed on the upper end surface of the air duct 3 and near the two sides of the air duct, the mounting plates 33 are arranged along the length direction of the air duct 3, and rubber plates 26 attached to the mounting plates 33 are mounted on the two sides of the gas collecting channel 2 and near the bottom of the gas collecting channel. When the gas collecting hood 2 moves on the upper end face of the air pipe 3, the rubber plate 26 moves along two sides of the mounting plate 33, and deviation is not easy to occur.

When the air suction device is used, the gantry 12 is moved and a material is cut through the cutting head 13, smoke dust is generated in the cutting process, meanwhile, the air collecting hood 2 moves along with the gantry 12, under the action of suction force in the air pipe 3, a negative pressure cavity is generated in the air collecting hood 2, the smoke dust is sucked from the air inlet 24 and is discharged through the air pipe 3, and the fan 121 arranged on the opposite side of the air suction opening can assist waste gas to enter the air suction pipe 3, so that the collecting speed is increased; when the gas collecting hood 2 moves, the conveyer belt 32 slides on the first guide rod 21, the second guide rod 22 and the conveying roller assembly 23, so that the gas collecting hood 2 is always communicated with the air pipe 3, and other parts of the air pipe 3 are covered by the conveyer belt 32, so that the air pipe 3 is sealed; when the cutting head 13 on the gantry 12 performs unilateral cutting, the baffle 242 is inserted into the through groove 241 to shield one of the air inlets 24, so that the suction force of the air inlet 24 is concentrated on the side being cut, and the dust suction effect is pertinently enhanced.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a plasma cutting exhaust gas collection system, includes cutting platform (1), cutting platform (1) both sides all are equipped with slide rail (11), slide rail (11) are equipped with longmen (12), be equipped with a plurality of cutting heads (13), characterized by on longmen (12): a gas-collecting hood (2) is arranged on one side of the gantry (12); a fan (121) is arranged on one side of the gantry (12) corresponding to the gas collecting hood (2), and air inlets (24) of the fan (121) and the gas collecting hood (2) are aligned with air outlets on the cutting platform (1); an air pipe (3) communicated with the air collecting hood (2) is arranged below the air collecting hood; one end of the air pipe (3) is sealed, and the other end of the air pipe is connected with the dust remover (4); a row of ventilation openings (31) are formed in the upper end face of the air pipe (3) at intervals along the length direction of the air pipe, and a layer of conveying belt (32) covers the upper end face of the air pipe (3); a first guide rod (21) and a second guide rod (22) are respectively arranged on the inner bottom surface of the gas-collecting hood (2) and close to the two ends; a conveying roller assembly (23) is arranged on the inner top wall of the gas collecting hood (2); one end of the conveying belt (32) is fixed at one end of the air pipe (3); the other end of the conveying belt (32) winds around the lower surface of the first guide rod (21) from the bottom of the gas collecting hood (2), then winds around the upper surface of the conveying roller assembly (23), finally winds around the lower surface of the second guide rod (22), winds out of the bottom of the gas collecting hood (2), and is fixed to the other end of the air pipe (3) along the upper surface of the air pipe (3); one side of the gas-collecting hood (2) close to the cutting head (13) is provided with two air inlets (24), and the air inlets (24) extend out in the direction close to the cutting platform (1); a clapboard (25) is arranged in the gas-collecting hood (2) and between the two air inlets (24); a through groove (241) is formed in the upper end face of the air inlet (24); the baffle (242) is inserted in the through groove (241).

2. The plasma cutting exhaust gas collection system of claim 1, wherein: the inner wall of the air inlet (24) is provided with a sliding chute (243) matched with the through groove (241); the baffle (242) is in sliding connection with the chute (243); and a handle (244) is arranged on the upper end surface of the baffle (242) and close to the middle part.

3. The plasma cutting exhaust gas collection system of claim 1, wherein: mounting plates (33) are arranged on the upper end surface of the air pipe (3) and close to the two sides of the air pipe; the mounting plate (33) is arranged along the length direction of the air pipe (3); and rubber plates (26) attached to the mounting plate (33) are arranged at the positions on the two sides of the gas collecting hood (2) and close to the bottom of the gas collecting hood.

4. The plasma cutting exhaust gas collection system of claim 1, wherein: the conveying roller assembly (23) comprises a first conveying roller (231), a second conveying roller (232), a third conveying roller (233) and a fourth conveying roller (234) which are arranged at intervals along the length direction of the gas collecting hood (2) and are sequentially arranged; a third guide rod (5) is arranged between the first conveying roller (231) and the second conveying roller (232); a fourth guide rod (51) is arranged between the third conveying roller (233) and the fourth conveying roller (234).

5. The plasma cutting exhaust gas collection system of claim 1, wherein: the upper end surface of the gas-collecting hood (2) is provided with a mounting rack (27); a fixing plate (122) is arranged on the side wall of the gantry (12) close to the gas-collecting hood (2); the fixing plate (122) is positioned above the mounting frame (27), and the fixing plate (122) is fixed with the upper end face of the mounting frame (27) through bolts; the end face, close to the gantry (12), of the mounting rack (27) is fixed with the gantry (12) through bolts.

6. The plasma cutting exhaust gas collection system of claim 1, wherein: the first guide rod (21) and the second guide rod (22) are rotatably connected with the gas collecting hood (2).

7. The plasma cutting exhaust gas collection system of claim 1, wherein: two ends of the first guide rod (21) and the second guide rod (22) are provided with limit blocks (28); the conveying belt (32) is positioned between the two limit blocks (28).

8. The plasma cutting exhaust gas collection system of claim 1, wherein: the surface of the conveying belt (32) is made of epoxy resin.