阅读说明：本技术 一种焊接车间工业有害废气焊烟净化器 (Welding workshop industry harmful waste gas welding fume purifier ) 是由 黄舒婷 于 2021-09-06 设计创作，主要内容包括：本发明提供了一种焊接车间工业有害废气焊烟净化器,其结构包括支撑杆、净化器、卡固座、过滤装置、抽动管道,支撑杆上端嵌固卡合于过滤装置下端内壁,净化器上端外壁活动卡合于过滤装置下端内壁,本发明在进行使用时,设备的启动会将焊烟通过抽动管道进入设备的内部,在焊烟受到抽动而进行流动时,会与设备内部所设有的引导器并推动引导器进行转动,而引导器的转动会令引导器进行扩张,引导器的扩张会加大与焊烟气流的接触面积从而增加引导器的转动速度,而引导器的转速提升便会令震荡机构受到的做功增加,令震荡机构内部的热能增加而出现扩张令引导器转动时会出现震动的情况,并通过高频震动而清除引导器表面以及设备内部所存在的焊烟凝结物。(The invention provides a welding workshop industry harmful waste gas welding fume purifier, which structurally comprises a supporting rod, a purifier, a clamping seat, a filtering device and a pumping pipeline, wherein the upper end of the supporting rod is fixedly clamped on the inner wall of the lower end of the filtering device, and the outer wall of the upper end of the purifier is movably clamped on the inner wall of the lower end of the filtering device. And the surface of the guider and the welding fume condensation existing in the device are removed by high-frequency vibration.)

1. The welding workshop industrial harmful waste gas welding fume purifier structurally comprises a supporting rod (1), a purifier (2), a clamping seat (3), a filtering device (4) and a pumping pipeline (5), wherein the upper end of the supporting rod (1) is fixedly embedded and clamped on the inner wall of the lower end of the filtering device (4), the outer wall of the upper end of the purifier (2) is movably clamped on the inner wall of the lower end of the filtering device (4), the inner wall of the clamping seat (3) is fixed on the outer wall of the pumping pipeline (5) in a nested mode, and the inner wall of the lower end of the filtering device (4) is movably matched with the outer wall of the left side of the pumping pipeline (5);

the filter device (4) comprises a positioning ring (41), a closed cover plate (42) and a filter (43), wherein the inner wall of the positioning ring (41) is nested and clamped on the outer wall of the filter (43), the outer wall of the rear end of the closed cover plate (42) is movably clamped on the outer wall of the upper end of the twitching pipeline (5), and the outer wall of the front end of the filter (43) is movably matched on the outer wall of the rear end of the twitching pipeline (5).

2. The welding shop industry hazardous exhaust gas welding fume purifier of claim 1, wherein: the filter (43) consists of a cylinder body (a1), a guide device (a2) and a fixed frame (a3), wherein the outer wall of the cylinder body (a1) is fixed on the inner wall of the positioning ring (41) in a nested manner, the outer wall of the rear end of the guide device (a2) is clamped on the inner wall of the fixed frame (a3) in a nested manner, and the outer wall of the fixed frame (a3) is fixed on the inner wall of the cylinder body (a1) in a welded manner.

3. The welding shop industry hazardous exhaust gas welding fume purifier of claim 2, wherein: the guiding device (a2) comprises a guiding blade (b1), an expansion ring (b2) and an opening and closing device (b3), wherein the outer wall of the upper end of the guiding blade (b1) is movably matched with the inner wall of the opening and closing device (b3), the outer wall of the rear end of the expansion ring (b2) is attached and fixed to the outer wall of the front end of the opening and closing device (b3), and the outer wall of the rear end of the opening and closing device (b3) is nested and matched with the inner wall of the fixing frame (a 3).

4. The welding shop industry hazardous exhaust gas welding fume purifier of claim 3, wherein: the opener (b3) is composed of a shell (c1), a positioning rod (c2), a clamping rod (c3), a mover (c4) and a limiting ring (c5), wherein the inner wall of the shell (c1) is movably matched with the outer wall of the guide blade (b1), the outer wall of the positioning rod (c2) is welded and fixed on the inner wall of the shell (c1), the outer wall of the clamping rod (c3) is in nested fit with the inner wall of the limiting ring (c5), the inner wall of the mover (c4) is in nested and clamped connection with the outer wall of the limiting ring (c5), and the outer wall of the limiting ring (c5) is movably matched with the inner wall of the shell (c 1).

5. The welding shop industry hazardous exhaust gas welding fume purifier of claim 4, wherein: the mover (c4) comprises a clamping rod (d1), a clamping seat (d2), a magnetic frame (d3), a sealing plate body (d4) and a magnetic rod (d5), wherein the outer wall of the clamping rod (d1) is fixed on the inner wall of the lower end of the clamping seat (d2) in a nested mode, the outer wall of the upper end of the clamping seat (d2) is fixedly embedded on the inner wall of the lower end of the sealing plate body (d4), the outer wall of the magnetic frame (d3) is fixedly sealed on the inner walls of two sides of the upper end of the sealing plate body (d4), the inner wall of the sealing plate body (d4) is movably matched with the inner wall of the magnetic rod (d5), and the outer wall of the right side of the magnetic rod (d5) is fixedly embedded between the limiting rings (c 5).

6. The welding shop industry hazardous exhaust gas welding fume purifier of claim 2, wherein: the utility model discloses a guide ware (a2) is fixed on mount (a3) inside and is equipped with vibration mechanism (e1), support ring (e2), connecting rod (e3) and constitutes, vibrate mechanism (e1) inner wall nested joint in connecting rod (e3) outer wall, support ring (e2) rear end outer wall laminating is fixed in vibration mechanism (e1) front end outer wall, connecting rod (e3) front end welded connection is in director (a2) rear end outer wall.

7. The welding shop industry hazardous exhaust gas welding fume purifier of claim 6, wherein: vibrate mechanism (e1) by ring body (f1), oscillator (f2), closed buckle (f3), contact dish (f4), rotate disk body (f5) and constitute, ring body (f1) inner wall nested fit oscillator (f2) outer wall, oscillator (f2) outer wall activity block in closed buckle (f3) inner wall, closed buckle (f3) outer wall welded fastening is in ring body (f1) inner wall, contact dish (f4) outer wall activity fit oscillator (f2) inner wall, it is fixed in contact dish (f4) rear end outer wall to rotate disk body (f5) outer wall laminating.

8. The welding shop industry hazardous exhaust gas welding fume purifier of claim 7, wherein: oscillator (f2) comprises expansion ring (g1), fixed arc frame (g2), airtight box (g3), friction arc frame (g4), rotating ring (g5), its share of block of expansion ring (g1) outer wall is in fixed arc frame (g2) inner wall, fixed arc frame (g2) both ends inner wall is embedded and fixed in inner wall between friction arc frame (g4), airtight box (g3) inner wall activity fit both ends outer wall around expansion ring (g1), friction arc frame (g4) left side outer wall friction fit rotating ring (g5) outer wall, rotating ring (g5) inner wall nested cooperation airtight box (g3) inner wall.

Technical Field

The invention relates to the technical field of industrial harmful waste gas control, in particular to a welding fume purifier for industrial harmful waste gas in a welding workshop.

Background

In the fields of boiler manufacturing industry, heavy machinery, vehicle manufacturing, shipbuilding generator set manufacturing and the like, a large-scale welding workshop is provided, tens of electric welding machines or hundreds of electric welding machines or a plurality of large-scale automatic welding devices are generally arranged in the workshops, when the welding machines work simultaneously, the welding smoke content in the workshops is high, air is seriously polluted, the physical health of welding personnel and surrounding personnel is harmed, the welding method for generating welding smoke mainly comprises hand arc welding and gas shielded welding, when the welding rods are heated at high temperature and hot melt occurs, substances of the melted welding rods are heated at high temperature and enter and diffuse into the air, the welding smoke is sucked to influence the lung and the physical health of the workers, in order to avoid the occurrence of the welding smoke, the welding smoke is generally assembled in the workshops, the welding smoke in the workshops is absorbed and purified, but current welding cigarette clarifier, weld the cigarette extraction with the outside and get into inside back, the extraction is through the air for the medium extraction, this velocity of flow that can increase the air, and the velocity of flow of air increases, can make the heat energy of welding the cigarette taken away by the high-speed air current that flows, cause the temperature drop of welding the cigarette, and weld the cigarette after the temperature drops, the condition that the cooling condenses just can appear in the inside part material of welding the cigarette, and condense the cooling to the inside of welding cigarette clarifier, when long-term use, the welding cigarette material that constantly condenses just can cause the inside condition of blockking up that appears of welding cigarette clarifier.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a welding workshop industry harmful waste gas welding fume purifier, which solves the problems that after external welding fume is extracted into the interior, the extraction is performed by taking air as a medium, the flow velocity of the air is increased, the heat energy of the welding fume is taken away by airflow flowing at high speed, the temperature of the welding fume is reduced, after the temperature of the welding fume is reduced, partial substances in the welding fume can be cooled and condensed, the condensation is cooled to the interior of the welding fume purifier, and the welding fume substances which are continuously condensed can cause the blockage in the welding fume purifier in long-term use.

Aiming at the above purpose, the invention is realized by the following technical scheme: the welding workshop industrial harmful waste gas welding fume purifier structurally comprises a supporting rod, a purifier, a clamping seat, a filtering device and a pumping pipeline, wherein the upper end of the supporting rod is fixedly embedded in the inner wall of the lower end of the filtering device, the outer wall of the upper end of the purifier is movably clamped in the inner wall of the lower end of the filtering device, the inner wall of the clamping seat is fixedly embedded in the outer wall of the pumping pipeline, and the inner wall of the lower end of the filtering device is movably matched with the outer wall of the left side of the pumping pipeline;

the filter device comprises a positioning ring, a closed cover plate and a filter, wherein the inner wall of the positioning ring is nested and clamped on the outer wall of the filter, the outer wall of the rear end of the closed cover plate is movably clamped on the outer wall of the upper end of the pumping pipeline, and the outer wall of the front end of the filter is movably matched with the outer wall of the rear end of the pumping pipeline.

Preferably, the filter comprises a cylinder body, a guider and a fixing frame, wherein the outer wall of the cylinder body is fixed on the inner wall of the positioning ring in a nested manner, the outer wall of the rear end of the guider is clamped on the inner wall of the fixing frame in a nested manner, and the outer wall of the fixing frame is fixed on the inner wall of the cylinder body in a welded manner.

Preferably, the guider comprises guide blades, an expansion ring and an opener, the outer wall of the upper end of each guide blade is movably matched with the inner wall of the opener, the outer wall of the rear end of the expansion ring is fixedly attached to the outer wall of the front end of the opener, the outer wall of the rear end of the opener is matched with the inner wall of the fixing frame in a nested manner, three guide blades are arranged on the outer wall of the opener in an annular manner, and the guide blades are of arc structures.

Preferably, the opening and closing device comprises a shell, positioning rods, clamping rods, moving devices and limiting rings, wherein the inner wall of the shell is movably matched with the outer wall of the guide blade, the outer wall of each positioning rod is fixedly welded on the inner wall of the shell, the outer wall of each clamping rod is in nested fit with the inner wall of each limiting ring, the inner wall of each moving device is in nested fit with the outer wall of each limiting ring, the outer wall of each limiting ring is movably matched with the inner wall of the shell, and the three moving devices are arranged on the inner wall of the shell in an annular mode.

Preferably, the mover comprises a clamping rod, a clamping seat, two magnetic frames and two magnetic rods, wherein the outer wall of the clamping rod is fixed on the inner wall of the lower end of the clamping seat in a nested manner, the outer wall of the upper end of the clamping seat is fixedly embedded on the inner wall of the lower end of the closed plate, the outer wall of the magnetic frames is fixedly sealed on the inner walls of the two sides of the upper end of the closed plate, the inner wall of the closed plate is movably matched with the inner wall of the magnetic rods, the outer wall of the right side of the magnetic rods is fixedly embedded between the limiting rings, and the two magnetic frames are arranged on the inner walls of the two sides of the upper end of the closed plate in a mirror image manner.

Preferably, the fixed frame is internally provided with a vibration mechanism, a support ring and a connecting rod, the inner wall of the vibration mechanism is nested and clamped on the outer wall of the connecting rod, the outer wall of the rear end of the support ring is attached and fixed on the outer wall of the front end of the vibration mechanism, and the front end of the connecting rod is welded and connected to the outer wall of the rear end of the guider.

Preferably, the oscillating mechanism comprises an annular body, an oscillator, a closed buckle, a contact disc and a rotating disc body, wherein the inner wall of the annular body is nested and matched with the outer wall of the oscillator, the outer wall of the oscillator is movably clamped and matched with the inner wall of the closed buckle, the outer wall of the closed buckle is welded and fixed on the inner wall of the annular body, the outer wall of the contact disc is movably matched and matched with the inner wall of the oscillator, the outer wall of the rotating disc body is attached and fixed to the outer wall of the rear end of the contact disc, and the rotating disc body is of a dart-shaped structure.

Preferably, the oscillator comprises an expansion ring, a fixed arc frame, a sealed box, a friction arc frame and a rotating ring, wherein the expansion ring is clamped on the inner wall of the fixed arc frame, the inner walls of the two ends of the fixed arc frame are fixedly embedded on the inner wall between the friction arc frames, the inner wall of the sealed box is movably matched with the outer walls of the front end and the rear end of the expansion ring, the outer wall of the left side of the friction arc frame is in friction fit with the outer wall of the rotating ring, the inner wall of the rotating ring is in nested fit with the inner wall of the sealed box, the expansion ring is provided with nine expansion rings, three expansion rings are arranged on the inner wall of the fixed arc frame in a group in an annular mode, and mercury is filled in the expansion ring.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

when the welding fume cleaning device is used, welding fume enters the inside of the device through the pumping pipeline when the device is started, and when the welding fume is pumped to flow, the welding fume can be connected with the guider arranged inside the device and pushes the guider to rotate, the guider can be expanded by the rotation of the guider, the contact area between the guider and the welding fume can be enlarged by the expansion of the guider, so that the rotating speed of the guider is increased, the work done on the oscillating mechanism can be increased by the increase of the rotating speed of the guider, the vibration can be caused when the heat energy in the oscillating mechanism is increased and the guider rotates due to the expansion, and welding fume concretions on the surface of the guider and in the device can be removed by high-frequency vibration.

Drawings

FIG. 1 is a schematic structural diagram of a welding fume purifier for harmful industrial waste gas in a welding workshop.

Fig. 2 is a schematic top view of the filtering device of the present invention.

Fig. 3 is a schematic cross-sectional view of the inventive filter.

Fig. 4 is a schematic structural view of the inventive guide.

Fig. 5 is a schematic structural view of the opener of the invention.

Fig. 6 is a schematic cross-sectional view of an inventive mover.

Fig. 7 is a partial sectional structural view of the inventive fixture.

Fig. 8 is a schematic cross-sectional view of an oscillating mechanism according to the present invention.

Fig. 9 is a schematic cross-sectional structure of the inventive oscillator.

In the figure: support rod-1, purifier-2, clamping seat-3, filtering device-4, twitching pipeline-5, positioning ring-41, closed cover plate-42, filter-43, cylinder-a 1, guider-a 2, fixed frame-a 3, guide blade-b 1, expansion ring-b 2, opener-b 3, shell-c 1, positioning rod-c 2, clamping rod-c 3, mover-c 4, limiting ring-c 5, clamping rod-d 1, clamping seat-d 2, magnetic frame-d 3, closed plate-d 4, magnetic rod-d 5, oscillating mechanism-e 1, support ring-e 2, connecting rod-e 3, f1, oscillator-f 2, closed buckle-f 3, contact plate-f 4, ring body-f 5, rotating ring body-f 5, An expansion ring-g 1, a fixed arc frame-g 2, a sealed box-g 3, a friction arc frame-g 4 and a rotating ring-g 5.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

As shown in the accompanying drawings 1 to 6, the invention provides a welding workshop industrial harmful waste gas welding fume purifier which structurally comprises a support rod 1, a purifier 2, a clamping seat 3, a filtering device 4 and a pumping pipeline 5, wherein the upper end of the support rod 1 is fixedly embedded and clamped on the inner wall of the lower end of the filtering device 4, the outer wall of the upper end of the purifier 2 is movably clamped on the inner wall of the lower end of the filtering device 4, the inner wall of the clamping seat 3 is fixedly embedded on the outer wall of the pumping pipeline 5, and the inner wall of the lower end of the filtering device 4 is movably matched with the outer wall of the left side of the pumping pipeline 5;

the filtering device 4 is composed of a positioning ring 41, a closed cover plate 42 and a filter 43, the inner wall of the positioning ring 41 is nested and clamped on the outer wall of the filter 43, the outer wall of the rear end of the closed cover plate 42 is movably clamped on the outer wall of the upper end of the pumping pipeline 5, and the outer wall of the front end of the filter 43 is movably matched on the outer wall of the rear end of the pumping pipeline 5.

The filter 43 is composed of a cylinder a1, a guide a2 and a fixed frame a3, the outer wall of the cylinder a1 is fixed on the inner wall of the positioning ring 41 in a nested manner, the outer wall of the rear end of the guide a2 is clamped on the inner wall of the fixed frame a3 in a nested manner, and the outer wall of the fixed frame a3 is fixed on the inner wall of the cylinder a1 in a welded manner.

The guide device a2 comprises guide blades b1, an expansion ring b2 and an opener b3, the outer wall of the upper end of the guide blades b1 is movably matched with the inner wall of the opener b3, the outer wall of the rear end of the expansion ring b2 is attached and fixed to the outer wall of the front end of the opener b3, the outer wall of the rear end of the opener b3 is nested and matched with the inner wall of the fixing frame a3, three guide blades b1 are arranged in the outer wall of the opener b3 in an annular mode, the guide blades b1 are of an arc structure, and the arc structure enables welding smoke gas flow contacting the surface to swirl to a certain degree so as to push the guide blades b1 to rotate.

The opener b3 comprises a shell c1, a positioning rod c2, a clamping rod c3, a mover c4 and a limiting ring c5, wherein the inner wall of the shell c1 is movably matched with the outer wall of a guide blade b1, the outer wall of the positioning rod c2 is fixedly welded on the inner wall of a shell c1, the outer wall of the clamping rod c3 is in nested fit with the inner wall of the limiting ring c5, the inner wall of the mover c4 is in nested fit with the outer wall of the limiting ring c5, the outer wall of the limiting ring c5 is movably matched with the inner wall of the shell c1, three movers c4 are arranged, the movers are annularly arranged on the inner wall of the shell c1, and the movers c4 arranged at the three ends can move step by step to drive the limiting ring c5 to move.

The mover c4 comprises a clamping rod d1, a clamping seat d2, a magnetic frame d3, a sealing plate d4 and a magnetic rod d5, wherein the outer wall of the clamping rod d1 is fixed on the inner wall of the lower end of the clamping seat d2 in a nested manner, the outer wall of the upper end of the clamping seat d2 is fixedly embedded on the inner wall of the lower end of the sealing plate d4, the outer wall of the magnetic frame d3 is fixedly sealed on the inner walls of two sides of the upper end of the sealing plate d4, the inner wall of the sealing plate d4 is movably matched with the inner wall of the magnetic rod d5, the outer wall of the right side of the magnetic rod d5 is fixedly embedded between limiting rings c5, the two magnetic frames d3 are arranged in a mirror image manner on the inner walls of two sides of the upper end of the sealing plate d4, the magnetic frames d3 arranged at two ends exert a repulsive force action on the magnetic rod d5, and limit the position of the magnetic rod d5 through repulsive magnetic fields at two ends.

The following examples are set forth: the welding fume collecting device is placed at the position where welding fume can be collected inside a workshop, the whole device can be supported by the supporting rod 1 after the device is placed, the position of the device is fixed, the device can be started after the device is fixed at the position, external air and welding fume can be extracted by the device after the device is started, the extracted welding fume can enter the device through the pumping pipeline 5, the welding fume can enter the filtering device 4 after entering the device through the pumping pipeline 5, the welding fume can enter the filter 43, the welding fume entering the filter 43 can be contacted with the guider a2, the welding fume can be guided by the angle of the guide blade b1 after being contacted with the guide blade b1 arranged on the guider a2, the guide blade b1 is pushed by circling, and the guide blade b1 is made to drive the opener b3 to rotate, the rotation of the opener b3 can make the position-locking lever c3 expand outwards under the action of centrifugal force, the expansion of the position-locking lever c3 can drive the limit ring c5, and the limit ring c5 can drive the magnetic lever d5 by the movement of the limit ring c5 when moving, so that the distance position of the magnetic lever d5 can be continuously close to the magnetic frame d3, the closing between the two can increase the repulsive force exerted by the repulsive magnetic field, the position of the magnetic lever d5 is limited by the repulsive force exerted on the magnetic lever d5, the phenomenon that the magnetic lever d5 falls off due to excessive movement is avoided, and the repulsive force can also be used for resetting.

Example 2

As shown in fig. 7 to 9: the fixing frame a3 is internally provided with a vibration mechanism e1, a support ring e2 and a connecting rod e3, the inner wall of the vibration mechanism e1 is nested and clamped on the outer wall of the connecting rod e3, the outer wall of the rear end of the support ring e2 is attached and fixed on the outer wall of the front end of the vibration mechanism e1, and the front end of the connecting rod e3 is welded and connected to the outer wall of the rear end of the guider a 2.

The oscillating mechanism e1 comprises a ring body f1, an oscillator f2, a closed buckle f3, a contact disc f4 and a rotating disc body f5, wherein the inner wall of the ring body f1 is nested and matched with the outer wall of the oscillator f2, the outer wall of the oscillator f2 is movably clamped and connected with the inner wall of the closed buckle f3, the outer wall of the closed buckle f3 is fixedly welded on the inner wall of the ring body f1, the outer wall of the contact disc f4 is movably matched with the inner wall of the oscillator f2, the outer wall of the rotating disc body f5 is fixedly attached to the outer wall of the rear end of the contact disc f4, the rotating disc body f5 is of a dart-shaped structure, the contact disc f4 can be rotationally matched through protrusions at three ends, and a three-point friction effect is exerted on the oscillator f2 through the contact disc f 4.

The oscillator f2 comprises an expansion ring g1, a fixed arc frame g2, a sealed box g3, a friction arc frame g4 and a rotating ring g5, wherein the expansion ring g1 is clamped on the inner wall of the fixed arc frame g2, the inner walls of the two ends of the fixed arc frame g2 are fixedly embedded on the inner wall between the friction arc frames g4, the inner wall of the sealed box g3 is movably matched with the outer walls of the front end and the rear end of the expansion ring g1, the outer wall of the left side of the friction arc frame g4 is in friction fit with the outer wall of the rotating ring g sealed box 5, the inner wall of the rotating ring g5 is in nested fit with the inner wall of the box g3, the expansion rings g1 are provided with nine expansion rings, three of the three expansion rings are arranged on the inner wall of the fixed arc frame g2 in a group in an annular mode, mercury is filled in the expansion rings g1, and expansion pushing force of the mercury ring g1 in the expansion ring g1 can be expanded at multiple points, and vibration frequency is increased through multiple-point expansion.

The following examples are set forth: when the equipment is started and the welding fume is pumped so as to filter the welding fume, the flow velocity of the air flow is increased and the air flow is guided to the inside of the equipment because the welding fume is pumped, the temperature of the welding fume is inevitably reduced due to the flowing of the air flow, and partial particles in the welding fume are condensed to the inside of the equipment, but when the equipment is started to pump the external air, the air flow drives partial air flow in the equipment to move and is conducted to the oscillating mechanism e1 through the connecting rod e3, so that the rotating disc body f5 is forced to rotate and drives the contact disc f4 to rotate through the rotation of the rotating disc body f5, when the contact disc f4 moves, the movable rotation of the contact disc f4 acts on the rotating ring g5 arranged in the oscillator f2 and drives the rotating ring g5 to rotate through the action of friction force, the rotation of the rotating ring g5 can rub the friction arc frames g4 at two ends, produced heat energy just can conduct in fixed arc frame g2 and heat the inside mercury of expansion ring g1 after the effect that rubs is received to friction arc frame g4, make expansion ring g1 expand, expansion ring g 1's inflation can make expansion ring g1 obtain the volume expansion, thereby contact dish f4 just can strike the surface of expansion ring g1 and produce high frequency vibrations, act on the inside of equipment through high frequency vibrations, make the inside welding smoke substance that condenses of equipment receive the vibration effect and drop, avoid welding smoke equipment to condense to the inside of equipment and cause equipment to block up.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.