Mechanical argon arc welding machine for welding boiler

Abstract

The invention discloses a mechanical argon arc welding machine for welding a boiler, and belongs to the field of argon arc welding machines, the mechanical argon arc welding machine comprises a welding main body and a positioning clamp, the positioning clamp is provided with a clamping and positioning system, the clamping and positioning system is provided with a rotating system, the rotating system is fixedly provided with a fixing cylinder, and a welding assembly is arranged in the fixing cylinder; an air conveying assembly is arranged in the fixing cylinder, an adjusting assembly is arranged in the fixing cylinder, an air suction assembly is arranged on the fixing cylinder, and the air conveying assembly comprises a first annular sliding groove and a second annular sliding groove which are formed in the fixing cylinder. Through cooperation of the transmission component and the air inducing component, the supporting disc is driven to eject stable vortex-shaped argon flow, the arc protection stability and uniformity are effectively improved, meanwhile, the arc protection range can be effectively expanded, and meanwhile it can be further ensured that the argon flow of the device is large or small through the adjusting assembly and the transmission component. And stable vortex-shaped argon flow can be sprayed out.

Description

Technical Field

[0001] The invention relates to the field of argon arc welding machines, and more specifically to a mechanical argon arc welding machine for welding boilers. Background Art

[0002] With the advancement of industrialization and the continuous development of welding technology, in order to improve the welding effect of boilers during the production process, mechanical argon arc welding equipment is usually used for welding. During the welding process of the boiler, the protective layer formed by the argon gas sprayed by the equipment around the arc can effectively separate the air from the welding area, reduce the risk of oxidation in the welding area of ​​the boiler, and thus ensure the welding effect of the equipment on the boiler;

[0003] However, the argon gas ejected by the existing mechanical argon arc equipment is mostly straight airflow, which is easily blown away by natural wind or airflow generated around the equipment, reducing the uniformity of argon gas protection for the arc, that is, it is easy to affect the welding effect of the equipment on the boiler. Therefore, it is urgent to design a mechanical argon arc welding machine for welding boilers to solve the above problems. Summary of the invention

[0004] In view of the problems existing in the prior art, the object of the present invention is to provide a mechanical argon arc welding machine for welding boilers.

[0005] To solve the above problems, the present invention adopts the following technical solutions.

[0006] A mechanical argon arc welding machine for welding boilers, comprising a welding body and a positioning fixture, wherein a clamping and positioning system is installed on the positioning fixture, a rotating system is installed on the clamping and positioning system, a fixed cylinder is fixedly installed on the rotating system, a welding assembly is arranged in the fixed cylinder, a gas delivery assembly is arranged in the fixed cylinder, an adjusting assembly is arranged in the fixed cylinder, and an air suction assembly is arranged on the fixed cylinder;

[0007] The gas delivery component comprises an annular slide groove 1 and annular slide groove 2 provided in the fixed cylinder, the annular slide groove 1 is slidably mounted with sliders evenly distributed in an annular shape, a support plate is fixedly mounted between the sliders, the support plate is provided with air delivery holes evenly distributed in an annular shape, a sealing plate is sealingly slidably mounted on the annular slide groove 2, the sealing plate is provided with air induction holes evenly distributed in an annular shape, a transmission component is installed between the support plate and the sealing plate, and an air induction component is installed between the support plate and the sealing plate;

[0008] The air suction assembly includes a conical block fixedly mounted on a support plate, on which a fixing frame evenly distributed in a ring shape is fixedly mounted, on which a buffer cylinder is fixedly mounted, between which a suction component is installed, and on which a purification component is installed.

[0009] Furthermore, the transmission component includes a sealing plate rotatably mounted on the sealing disk, a support block is fixedly mounted on the inner wall of the fixed cylinder, two support blocks are provided, a motor is fixedly mounted on each of the two support blocks, a rotating shaft is fixedly mounted on the driving ends of the two motors, and the two rotating shafts are sealed and penetrated and rotatably mounted on the sealing plate;

[0010] A rotating gear 1 is fixedly mounted on the two rotating shafts, a gear ring meshing with the two rotating gears 1 is fixedly mounted on the sealing plate, a rotating gear 2 is fixedly mounted on the two rotating shafts, and a parallel axis gear meshing with the two rotating gears 2 is fixedly mounted on the supporting plate.

[0011] Furthermore, the air induction component includes compression springs that are evenly fixedly installed on the sealing disk and the support disk in an annular shape, and an annular plate is fixedly installed between the corresponding compression springs. Air induction plates evenly distributed in an annular shape are fixedly installed on the two annular plates.

[0012] Further, the adjustment component includes an air delivery pipe fixedly mounted on the top wall of the fixed cylinder, a fixed groove is provided in the fixed cylinder, two fixed grooves are provided, a groove body is provided in the fixed cylinder, two groove bodies are provided, and both groove bodies are connected to the corresponding fixed groove, and both groove bodies are connected to the second annular slide groove;

[0013] A rotating shaft is sealably passed through and rotatably installed on the air duct, two rotating shafts are provided, and one end of the two rotating shafts is rotatably connected to the corresponding fixed groove, a threaded rod one is rotatably installed on the two groove bodies, a pressing plate is threadedly installed on the two threaded rods one, and two pressing plates are provided, and a driving component is installed between the two rotating shafts and the two threaded rods one.

[0014] Furthermore, the driving component comprises a spur gear one respectively fixedly mounted on two threaded rods one, a roller body is fixedly mounted on the two rotating shafts, a placement groove is opened on the two roller bodies, and two placement grooves are provided, a spring telescopic rod is fixedly mounted on the placement groove, and a push block is fixedly mounted on one end of the spring telescopic rod;

[0015] A positioning rod is fixedly installed on the two roller bodies, and there are two positioning rods. A rod body is penetrated and slidably installed on the positioning rods. A roller is rotatably installed on the lower end of the rod body. A support plate is fixedly installed between the two corresponding rod bodies. A fixing plate is rotatably installed on the two support plates. Racks meshing with corresponding spur gears are fixedly installed on the two fixing plates. Fan blades evenly distributed in a ring shape are fixedly installed on the two roller bodies.

[0016] Furthermore, the air intake component includes an incomplete gear rotatably mounted on a conical block, a rotating rod evenly distributed in an annular shape is rotatably mounted on the conical block, a torsion spring is fixedly mounted between the rotating rod and the conical block, and a spur gear 2 matching the incomplete gear is fixedly mounted on the rotating rod;

[0017] An air cylinder is fixedly installed in the cache cylinder, a threaded rod two is fixedly installed on the rotating rod, and the threaded rod two is sealed and penetrated and rotatably installed on the corresponding cache cylinder and the air cylinder, a piston is threadedly installed on the threaded rod two, and the piston is sealed and slidably installed in the corresponding air cylinder, the air cylinder is fixedly connected with a one-way suction pipe, and the one-way suction pipe is sealed and fixedly installed on the corresponding cache cylinder, the air cylinder is fixedly connected with a one-way exhaust pipe, and the air cylinder is fixedly connected with a one-way air supply pipe.

[0018] Furthermore, the purification component includes a purification box rotatably mounted on the fixed cylinder, an exhaust pipe is fixedly connected between the cache cylinder and the purification box, a filter is fixedly mounted in the purification box, and a radiator is fixedly mounted in the purification box.

[0019] Furthermore, the welding assembly includes a positioning cylinder fixedly installed in the fixing cylinder, and the positioning cylinder is fixedly connected to the sealing plate, a tungsten electrode clamp is fixedly installed in the positioning cylinder, a tungsten electrode is clamped and installed on the tungsten electrode clamp, and a heat dissipation component is installed between the positioning cylinder and the cache cylinder.

[0020] Furthermore, the heat dissipation component comprises an annular cylinder fixedly mounted on the conical block, a sealing plate is sealingly and rotatably mounted on the annular cylinder, and a one-way air inlet pipe is fixedly connected between the buffer cylinder and the annular cylinder;

[0021] A heat conducting pipe is fixedly installed on the positioning tube, and the lower end of the heat conducting pipe is sealed and passed through and fixedly installed on the fixed tube, and the lower end of the heat conducting pipe is sealed and passed through the sealing plate and extends into the annular tube, and the upper end of the heat conducting pipe is fixedly connected with an air suction pipe, and the air suction pipe is sealed and passed through and fixedly installed on the fixed tube.

[0022] Furthermore, an air storage tank is fixedly installed on the welding body, an air supply pipe is fixedly connected between the air storage pipe and the fixed cylinder, a wire feeding system is installed on the positioning fixture, a cable protection cover is jointly installed between the wire feeding system and the welding body, a transmission system is installed on the positioning fixture, and an adjustment device is installed on the driving device.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] (1) This solution can drive the support plate to rotate and spray out a vortex argon flow through the transmission component. The vortex argon flow can form an effect similar to a "gas barrier", which can not only effectively reduce the impact of natural wind or airflow generated around the equipment on the stability of the argon flow, ensure the uniformity of the argon gas sprayed by the equipment for arc protection, but also effectively expand the protection range of the argon gas for the arc. The transmission component cooperates with the air induced component to drive the relative rotation of the sealing plate and the support plate, which helps to improve the stability of the vortex argon gas sprayed by the support plate, further ensure the effect of the vortex argon gas flow on arc protection, that is, effectively ensure the welding effect of the equipment on the weldment.

[0025] (2) This solution can automatically adjust the rotation speed of the sealing disk and the support disk according to the output argon flow rate of the equipment by adjusting the coordination of the components and the transmission components. This ensures that when the argon flow rate of the equipment is large or small, the support disk can rotate to spray a stable vortex argon flow, thereby ensuring the protective effect of the vortex argon flow on the electric arc, and further ensuring the effect of the equipment on boiler welding.

[0026] (3) This solution can achieve timely heat dissipation of the tungsten electrode through the cooperation of the heat dissipation component and the purification component, which can help ensure the stability of the arc when the tungsten electrode is energized and ensure the welding effect of the equipment on the weldment. At the same time, through the cooperation of the air intake component and the purification component, the harmful gases generated during the welding process of the equipment can be collected and filtered in time, which can protect the air environment and effectively reduce the harm of harmful gases to on-site construction personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the present invention;

[0028] Figure 2 for Figure 1 A schematic diagram of the structure of the components on the positioning fixture;

[0029] Figure 3 for Figure 2 A schematic diagram of the structure of the components of the clamping and positioning system;

[0030] Figure 4 for Figure 3 A schematic diagram of the structure of the components on the middle fixed cylinder;

[0031] Figure 5 for Figure 4 A schematic cross-sectional view of the middle fixed cylinder;

[0032] Figure 6 for Figure 5 A cross-sectional view of the middle positioning cylinder after it is rotated to a certain angle;

[0033] Figure 7 for Figure 5 A schematic diagram of the structure of the internal components of the fixed cylinder;

[0034] Figure 8 for Figure 7 Schematic diagram of the structure of the gas transmission component;

[0035] Fig. 9 for Figure 8 A schematic diagram of the structure of the components on the middle sealing disk;

[0036] Fig.10 for Fig. 9 Structural schematic diagram of the central induced draft component;

[0037] Fig.11 for Figure 8 A schematic diagram of the structure of the components on the middle support plate;

[0038] Fig.12 for Fig.11 A schematic cross-sectional view of the middle support plate;

[0039] Fig.13 for Figure 5 A schematic diagram of the structure of the middle fixed cylinder;

[0040] Fig.14 for Figure 7 The structural diagram of the middle regulating component;

[0041] Fig.15 for Fig.14 A schematic diagram of the structure of the driving components;

[0042] Fig.16 for Figure 4 The structural diagram of the middle air suction component;

[0043] Fig.17 for Fig.16 A cross-sectional schematic diagram of multiple cache cylinders and purification boxes.

[0044] Description of the numbers in the figure:

[0045] 1. Welding body; 2. Gas tank; 3. Positioning fixture; 4. Wire feeding system; 5. Transmission system; 6. Cable protection cover; 7. Clamping and positioning system; 8. Adjustment equipment; 9. Rotation system; 10. Fixing cylinder;

[0046] 11. welding assembly; 1101. tungsten electrode; 1102. positioning tube; 1103. heat conduction pipe; 1104. air suction pipe; 1105. tungsten electrode clamp;

[0047] 12. Gas delivery assembly; 1201. Support block; 1202. Motor; 1203. Rotating shaft; 1204. Sealing plate; 1205. Air induction hole; 1206. Sliding block; 1207. Support plate; 1208. Blocking plate; 1209. Gear ring; 1210. Rotating gear 1; 1211. Compression spring; 1212. Annular plate; 1213. Air induction plate; 1214. Air delivery hole; 1215. Parallel shaft gear; 1216. Rotating gear 2; 1217. Annular chute 1; 1218. Annular chute 2; 1219. Fixed chute; 1220. Tank body;

[0048] 13. Adjustment assembly; 1301. Air delivery pipe; 1302. Threaded rod 1; 1303. Pressing plate; 1304. Rotating shaft; 1305. Fan blade; 1306. Roller body; 1307. Positioning rod; 1308. Rod body; 1309. Spring telescopic rod; 1310. Push block; 1311. Support plate; 1312. Fixed plate; 1313. Rack; 1314. Spur gear 1;

[0049] 14. Air suction assembly; 1401. Conical block; 1402. Annular cylinder; 1403. Sealing plate; 1404. Fixed frame; 1405. Buffer cylinder; 1406. One-way air suction pipe; 1407. Rotating rod; 1408. Torsion spring; 1409. Spur gear II; 1410. Incomplete gear; 1411. Threaded rod II; 1412. One-way exhaust pipe; 1413. Piston; 1414. One-way air inlet pipe; 1415. One-way air supply pipe; 1416. Exhaust pipe; 1417. Purification box; 1418. Filter; 1419. Radiator; 1420. Air cylinder. DETAILED DESCRIPTION

[0050] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0051] See also Figures 1 to 17 A mechanical argon arc welding machine for welding boilers includes a welding body 1, a positioning fixture 3, a clamping and positioning system 7 is installed on the positioning fixture 3, a rotating system 9 is installed on the clamping and positioning system 7, a fixed cylinder 10 is fixedly installed on the rotating system 9, a welding component 11 is arranged in the fixed cylinder 10, a gas delivery component 12 is arranged in the fixed cylinder 10, an adjusting component 13 is arranged in the fixed cylinder 10, and an air suction component 14 is arranged on the fixed cylinder 10.

[0052] like Figure 1 - Figure 3As shown, a gas storage tank 2 is fixedly installed on the welding body 1, and an air supply pipe (not shown in the figure) is fixedly connected between the gas storage tank 2 and the fixed cylinder 10, a wire feeding system 4 is installed on the positioning fixture 3, and a cable protection cover 6 is installed between the wire feeding system 4 and the welding body 1, a transmission system 5 is installed on the positioning fixture 3, and an adjustment device 8 is installed on the clamping positioning system 7.

[0053] The cooperation between the transmission system 5 and the welding body 1 can adjust the current and voltage of the equipment when welding the weldment according to the welding requirements of the required welding object (the arc size required for welding weldments of different thicknesses and sizes is different, and the arc size is determined by factors such as welding current and voltage).

[0054] At the same time, the cooperation between the wire feeding system 4 and the welding body 1 can control the wire feeding speed and length required in the welding process according to the welding requirements of the desired welding object.

[0055] The components and working principles of the wire feeding system 4, the transmission system 5, the clamping and positioning system 7 and the rotating system 9 are all common components in existing argon arc welding machines, so they will not be further elaborated here.

[0056] When it is necessary to weld an object (a component of a boiler), the fixed cylinder 10 is first fixed above the object by cooperating with the positioning fixture 3 and the clamping positioning system 7, and then the fixed cylinder 10, that is, the tungsten electrode 1101 is adjusted to above the starting position of the object required for welding through the rotating system 9, and then the welding wire required for welding the object is transported to the appropriate position through the wire feeding system 4, and the inclination angle between the welding wire and the tungsten electrode 1101 is adjusted according to the required angle through the adjusting device 8.

[0057] At the same time, the purpose of setting the cable protection cover 6 is that since multiple cables are connected between the welding body 1 and the wire feeding system 4 and the transmission system 5, the cable protection cover 6 can be used to protect these cables. For example, during the process of welding objects by the equipment, the high temperature and sparks generated by welding can easily burn the cables directly. Therefore, the cable protection cover 6 can effectively isolate these cables and extend the service life of the cables.

[0058] The cable protection cover 6 is made of insulating material to prevent the cable from being damaged or leaking during the welding process. The cable protection cover 6 has good insulation performance, which can prevent the current from being transmitted to the surrounding environment to a certain extent, thus preventing the operator from touching the live cable and getting an electric shock.

[0059] like Figure 4 - Figure 6As shown, the welding assembly 11 includes a positioning cylinder 1102 fixedly installed in the fixed cylinder 10, and the positioning cylinder 1102 is fixedly connected to the sealing plate 1208, a tungsten pole clamp 1105 is fixedly installed in the positioning cylinder 1102, a tungsten pole 1101 is clamped and installed on the tungsten pole clamp 1105, and a heat dissipation component is installed between the positioning cylinder 1102 and the cache cylinder 1405.

[0060] When the tungsten electrode 1101 and the welding wire are adjusted to the appropriate positions, the tungsten electrode 1101 can be energized through the cooperation of the welding body 1 and the transmission system 5. The high-level arc generated between the energized tungsten electrode 1101 and the object will melt the required welding position of the weldment, and the welding wire will also melt. The molten welding wire will drip onto the weld of the weldment to fill the weld. After that, the tungsten electrode 1101 and the welding wire are driven by the rotating system 9 to achieve continuous welding processing on the surface of the weldment.

[0061] like Figure 7 - Fig.13 As shown, the gas delivery component 12 includes an annular slide groove 1217 and an annular slide groove 2 1218 opened in the fixed cylinder 10, and the annular slide groove 1217 is slidably installed with sliders 1206 that are evenly distributed in an annular shape, and a support plate 1207 is fixedly installed between the sliders 1206. The support plate 1207 is provided with air delivery holes 1214 that are evenly distributed in an annular shape, and a sealing plate 1204 is sealingly slidably installed on the annular slide groove 2 1218. The sealing plate 1204 is provided with air induced holes 1205 that are evenly distributed in an annular shape, a transmission component is installed between the support plate 1207 and the sealing plate 1204, and an air induced component is installed between the support plate 1207 and the sealing plate 1204.

[0062] The transmission component includes a sealing plate 1208 rotatably mounted on the sealing disk 1204, a support block 1201 is fixedly mounted on the inner wall of the fixed cylinder 10, two support blocks 1201 are provided, a motor 1202 is fixedly mounted on each of the two support blocks 1201, a rotating shaft 1203 is fixedly mounted on the driving end of each of the two motors 1202, and the two rotating shafts 1203 are sealed and penetrated and rotatably mounted on the sealing plate 1208;

[0063] A rotating gear 1210 is fixedly mounted on the two rotating shafts 1203, a gear ring 1209 meshing with the two rotating gears 1210 is fixedly mounted on the sealing disk 1204, a rotating gear 2 1216 is fixedly mounted on the two rotating shafts 1203, and a parallel axis gear 1215 meshing with the two rotating gears 2 1216 is fixedly mounted on the supporting disk 1207.

[0064] The air induction component includes compression springs 1211 that are evenly fixedly installed on the sealing disk 1204 and the support disk 1207 in an annular shape, and an annular plate 1212 is fixedly installed between the corresponding compression springs 1211. Air induction plates 1213 that are evenly distributed in an annular shape are fixedly installed on the two annular plates 1212.

[0065] Before the tungsten electrode 1101 and the welding wire start welding the workpiece, the gas storage tank 2 and the gas supply pipe are used to input argon gas into the air supply pipe 1301 (the flow rate of the input argon gas can be determined according to the size of the arc). The argon gas will flow along the air supply pipe 1301, the fixed cylinder 10 and the multiple air induction holes 1205 on the sealing plate 1204, and finally be ejected from the multiple air supply holes 1214 on the support plate 1207. Since argon gas is an inert gas, its density is greater than that of air, so the multiple air supply holes 1214 are The argon gas ejected by 214 will cover the surface of the weldment downward, that is, a protective gas layer will be formed around the arc generated by the power supply of the tungsten electrode 1101. The protective gas can effectively separate the air from the molten pool, and effectively prevent harmful gases such as oxygen and nitrogen in the air from contacting the high-temperature molten pool. It can effectively prevent the molten pool at the welding position of the weldment from contacting the air during the welding of the weldment by the tungsten electrode 1101 and the welding wire, which will cause the weld metal to oxidize and produce pores, etc., thereby reducing the welding effect of the weldment equipment on the weldment.

[0066] At the same time, when the gas storage tank 2 starts to deliver air to the air delivery pipe 1301, the two motors 1202 are started. The operation of the two motors 1202 drives the sealing disk 1204 to rotate counterclockwise (such as Fig. 9 When the gas enters the air vent 1205, the gas will be affected by the involved motion caused by the rotation of the sealing disk 1204, causing the gas to generate an additional acceleration in the counterclockwise direction, thereby causing the gas to also have a tendency to rotate counterclockwise (according to the principle of Coriolis acceleration, when an object makes relative motion in a rotating reference frame, it will be subject to an additional acceleration), thereby achieving the effect of the sealing disk 1204 rotating to drive the argon gas to rotate counterclockwise.

[0067] When the sealing disk 1204 is rotated under force, the corresponding compression springs 1211 cooperate with the annular plate 1212 to drive the plurality of air guide plates 1213 thereon to rotate counterclockwise (such as Fig. 9 In the direction shown in the figure), the plurality of air guide plates 1213 can conveniently guide the dispersed gas above them to the sealing disk 1204 during the rotation process, thereby effectively increasing the amount of argon passing through the sealing disk 1204 per unit time.

[0068] The multiple air induction plates 1213 will give the argon gas an additional power during the rotation process, and Fig. 9It can be seen that the multiple air induction plates 1213 arranged on the sealing disk 1204 are all inclined, and the inclination direction is compatible with the rotation direction of the sealing disk 1204. Therefore, when the multiple air induction plates 1213 drive the surrounding argon gas to rotate together, due to the inclined arrangement of the multiple air induction plates 1213, this rotational force will have an axial component, so that the gas starts to rotate while being guided to the sealing disk 1204. In this way, when the gas reaches the sealing disk 1204, it has a certain initial rotation speed, which is more conducive to forming a stable vortex airflow after the argon gas passes through the sealing disk 1204. The guiding effect of the multiple air induction plates 1213 on the argon gas can also effectively reduce the turbulence of the airflow, so that the argon gas can pass through the sealing disk 1204 in a more stable state.

[0069] At the same time, during the rotation of the two rotating shafts 1203, the two rotating gears 1216 cooperate with the parallel shaft gear 1215 to drive the support plate 1207 to drive the multiple air guide plates 1213 thereon to rotate clockwise (such as Fig.11 In the process of clockwise rotation of the multiple air induced plates 1213 on the support disk 1207, the argon gas ejected from the sealing disk 1204 can be further guided, and this part of the argon gas is guided to the support disk 1207 while rotating clockwise. During the clockwise rotation of the support disk 1207, the argon gas entering into the multiple air delivery holes 1214 can be easily rotated and evenly ejected. The vortex argon gas flow formed by the ejection can not only effectively improve the protection uniformity of the arc formed by the energization of the tungsten electrode 1101, but also effectively reduce the interference of external gases on the ejected argon gas, thereby improving the arc protection effect of argon gas.

[0070] During the welding process of the weldment using the tungsten electrode 1101 and the welding wire, the stability of the output argon arc flow, the welding speed, and the natural wind at the welding site or the airflow generated by the ventilation equipment will affect the uniformity of the argon protection. For example, the natural wind at the welding site or the airflow generated by the ventilation equipment can easily blow away the argon protective layer, reducing the effect of the argon protective layer on the arc protection, that is, reducing the effect of the tungsten electrode 1101 and the welding wire on the welding of the weldment.

[0071] The vortex argon gas flow ejected from the support disk 1207 can form an effect similar to a "gas barrier", which allows the argon gas to surround the welding arc and the molten pool more closely. In the process of rotating toward the arc, the argon gas can effectively resist the invasion of external gases, effectively prevent harmful gases such as oxygen and nitrogen in the air from entering the welding area, reduce the occurrence of oxidation reactions, and allow the argon gas to surround the welding arc and the molten pool more closely, thereby improving the welding effect of the equipment on the weldment. At the same time, the argon gas flow will diffuse to the surroundings in the process of rotating toward the arc, which helps to improve the argon gas on the welding. The protection range of the arc and the molten pool is wider, and the vortex airflow can make the argon gas more evenly distributed around the molten pool, so that the temperature distribution of the molten pool is more uniform, which is helpful for the crystallization and solidification of the weld metal on the weldment, avoiding problems such as uneven weld structure and stress concentration caused by uneven temperature, and improving the strength and toughness of the weld. In addition, the rotating motion of the vortex airflow can drive the gas generated during the welding process (such as gas generated by metal evaporation, gas in the molten pool, etc.) to be discharged above the molten pool, which helps to reduce the residual gas in the weld, reduce the probability of pore formation, and improve the density of the weld.

[0072] The purpose of setting the sealing plate 1204 and the supporting plate 1207 to cooperate with each other to promote the argon gas to form a vortex-shaped airflow is that due to the influence of the inertia of gas movement, the guidance of the argon gas flow by the rotation of the sealing plate 1204 alone is limited. After the argon gas passes through the air induction holes 1205 on the sealing plate 1204, it is difficult to form a stable and strong vortex airflow. When the argon gas leaves the sealing plate 1204 for a certain distance, due to its own inertia and the influence of the surrounding environment on the argon gas flow, its rotational motion is difficult to continue and will gradually weaken.

[0073] When the sealing disk 1204 and the supporting disk 1207 rotate relative to each other, the shear force and driving effect generated on the gas between the two are superimposed on each other, thereby enhancing the rotational force of the argon gas flow. When the sealing disk 1204 rotates counterclockwise and the supporting disk 1207 rotates clockwise, the gas between the two is "sandwiched" by two rotational forces in opposite directions. This double rotational force helps to strongly stir the argon gas between the two, making it easier to generate rotational motion, thereby ensuring the strength of the vortex argon gas flow ejected by the rotating supporting disk 1207.

[0074] The apertures of the plurality of air induction holes 1205 are all smaller than the apertures of the corresponding air delivery holes 1214. The purpose is that when the flow rate of argon gas entering the air delivery pipe 1301 is large, the air induction holes 1205 with a smaller diameter on the sealing disk 1204 can effectively limit the flow of argon gas, while the air delivery holes 1214 with a larger aperture on the supporting disk 1207 can allow more gas to pass through. At this time, through the relative rotation of the sealing disk 1204 and the supporting disk 1207, the argon gas ejected from the air induction holes 1205 with a relatively small diameter is restricted but still has a certain speed and rotational momentum. These argon gases interact with the large amount of gas passing through the supporting disk 1207. The large amount of gas in the supporting disk 1207 rotates around the center under the impact and drive of the high-speed gas of the sealing disk 1204, thereby forming a vortex airflow under a large flow rate;

[0075] When the amount of argon entering the air duct 1301 is small, the multiple air ducting holes 1205 can accelerate the passing argon. When the argon accelerated by the sealing disk 1204 moves downward, due to its higher flow rate and rotational momentum, the synergistic effect of the relative rotation of the sealing disk 1204 and the supporting disk 1207 can "stir" a small amount of gas, allowing the gas to rotate around the center, thereby ensuring the ejection of vortex airflow even at a small flow rate.

[0076] And from Fig.12 It can be seen that the multiple air holes 1214 opened on the support plate 1207 are all inclined, and the upper diameter of the air holes 1214 is larger than the lower diameter. The purpose is that when the argon gas enters the air holes 1214 from the upper end of the support plate 1207, the gradually enlarged air holes 1214 can further accelerate the flow rate of the argon gas when it is ejected. At the same time, when the argon gas passes through the inclined air holes 1214, a downward component force is generated. This component force helps to blow away the welding slag near the air holes 1214, automatically clean the air holes 1214, and improve the smoothness of the argon gas flow ejected from the air holes 1214. In addition, the air holes 1214 inclined to the surroundings can expand the range of the vortex argon gas flow ejected from the support plate 1207, further increasing the protection range of the vortex gas flow ejected by the equipment for the electric arc.

[0077] like Figure 8 - Fig.11 , Fig.13 - Fig.15 As shown, the adjustment component 13 includes an air delivery pipe 1301 fixedly mounted on the inner top wall of the fixed cylinder 10, a fixed groove 1219 is provided in the fixed cylinder 10, two fixed grooves 1219 are provided, a groove body 1220 is provided in the fixed cylinder 10, two groove bodies 1220 are provided, and both groove bodies 1220 are connected to the corresponding fixed groove 1219, and both groove bodies 1220 are connected to the annular slide groove 2 1218;

[0078] A rotating shaft 1304 is sealed and rotatably installed on the air supply pipe 1301. Two rotating shafts 1304 are provided, and one end of the two rotating shafts 1304 is rotatably connected to the corresponding fixed groove 1219. Threaded rods 1302 are rotatably installed on the two groove bodies 1220. Pressing plates 1303 are threadedly installed on the two threaded rods 1302, and two pressing plates 1303 are provided. A driving component is installed between the two rotating shafts 1304 and the two threaded rods 1302.

[0079] The driving component includes a spur gear 1314 respectively fixedly mounted on two threaded rods 1302, a roller body 1306 is fixedly mounted on the two rotating shafts 1304, a placement slot is provided on the two roller bodies 1306, and two placement slots are provided, a spring telescopic rod 1309 is fixedly mounted on the placement slot, and a push block 1310 is fixedly mounted on one end of the spring telescopic rod 1309;

[0080] The two roller bodies 1306 are fixedly mounted with positioning rods 1307, and two positioning rods 1307 are provided. The positioning rods 1307 are penetrated and slidably mounted with rod bodies 1308, and the lower ends of the rod bodies 1308 are rotatably mounted with rollers (drawn in the figure but not marked, from Fig.15 As can be seen in the figure, a support plate 1311 is fixedly installed between the corresponding two rod bodies 1308, a fixing plate 1312 is rotatably installed on the two support plates 1311, a rack 1313 meshing with the corresponding spur gear 1314 is fixedly installed on the two fixing plates 1312, and fan blades 1305 evenly distributed in a ring shape are fixedly installed on the two roller bodies 1306.

[0081] In the initial state, the corresponding two pressing plates 1303 cooperate, and the pressing force applied to the corresponding multiple compression springs 1211 through the corresponding annular plate 1212 is relatively small. At this time, when the sealing disk 1204 and the supporting disk 1207 are rotated under force, the rotation speed of the two is relatively fast (the operating power of the two motors 1202 is set to be constant).

[0082] If the tungsten electrode 1101 cooperates with the welding wire to generate a larger arc (the size of the arc is determined by the size and thickness of the weldment), in order to ensure the arc protection effect of the argon gas sprayed by the equipment, the amount of argon gas sprayed by the equipment needs to be increased, that is, at this time, the argon gas flow rate input into the air supply pipe 1301 through the gas storage tank 2 and the air supply pipe is relatively large, and the argon gas from the gas storage tank 2 is relatively large. Figure 7 It can be seen that the middle part of the air delivery pipe 1301 is a contraction section (i.e., the diameters at both ends are larger and the diameter in the middle is smaller), which can effectively gather wind. When the flow rate of argon gas input into the air delivery pipe 1301 is large, the flow rate through the contraction section of the air delivery pipe 1301 will also increase accordingly. At this time, when the argon gas flows toward the bottom of the air delivery pipe 1301, the impact force (such as Figure 7The corresponding plurality of fan blades 1305 will be driven to drive the corresponding rotating shaft 1304 to rotate rapidly;

[0083] When the two rotating shafts 1304 rotate rapidly, the centrifugal force generated will overcome the elastic force of the two corresponding spring telescopic rods 1309, causing the push blocks 1310 on the two corresponding spring telescopic rods 1309 to move away from each other. The two corresponding push blocks 1310 move away from each other, and the corresponding rollers generate an upward push force on the rod body 1308, which can cause the support plate 1311 to drive the fixed plate 1312 and the rack 1313 to move upward (such as Fig.15 In the direction shown), at this time, through the cooperation of the two racks 1313 and the corresponding spur gear 1314 and the threaded rod 1302, multiple pressing plates 1303 can be driven to move downward under force, so that the pressing force of the corresponding two pressing plates 1303 and the corresponding annular plate 1212 can be gradually increased, that is, the pressure of the annular plate 1212 on the corresponding compression spring 1211 can be gradually increased, so as to achieve the effect of gradually reducing the rotation speed of the two rotating shafts 1203 to cooperate with the driving sealing disk 1204 and the support disk 1207 (under the same driving force, the greater the resistance to the rotation of the object, the slower its rotation speed), so as to effectively ensure that when the argon flow rate is large, the support disk 1207 can still spray out a stable vortex airflow.

[0084] When the argon flow rate is large, the argon gas itself carries greater energy and momentum and has stronger fluidity. At this time, if the sealing disk 1204 and the support disk 1207 rotate too fast, it is easy to conflict with the strong momentum of the argon gas itself, resulting in airflow turbulence. By reducing the rotation speed of the support disk 1207, it can effectively ensure that the two can better coordinate with the flow of a large amount of argon gas during rotation, guiding the argon gas to form an orderly vortex airflow.

[0085] If, according to demand, the amount of argon gas input into the air supply pipe 1301 is small, the impact force generated by the argon gas passing through the contraction section of the air supply pipe 1301 is difficult to drive the multiple blades 1305 to rotate, and under the action of the springs of the multiple spring telescopic rods 1309, the corresponding push blocks 1310 will be driven to move and reset. In this process, the multiple pressing plates 1303 can be driven to move up and reset (such as Fig.14 In the direction shown), that is, the pressing force on the sealing disk 1204 and the supporting disk 1207 is gradually reduced, and the rotation speed of the two rotating shafts 1203 to drive the sealing disk 1204 and the supporting disk 1207 is accelerated. This can help ensure that when the amount of argon gas is small, the sealing disk 1204 and the supporting disk 1207 cooperate to spray a vortex-shaped argon flow to uniformly protect the arc.

[0086] When the amount of argon is small, the energy and momentum carried by the argon gas itself are relatively small. At this time, the rapid rotation of the sealing disk 1204 and the support disk 1207 will provide a large rotational tangential force to the flow of argon, thereby ensuring the rotation of the argon gas and ensuring that the support disk 1207 ejects a stable vortex airflow during the rotation process.

[0087] like Fig.16 , Fig.17 As shown, the air suction component 14 includes a conical block 1401 fixedly mounted on the support plate 1207, on which are fixedly mounted fixed frames 1404 evenly distributed in a ring shape, on which are fixedly mounted buffer cylinders 1405, between which are installed an air suction component, and on which are installed a purification component.

[0088] The air intake component includes an incomplete gear 1410 rotatably mounted on a conical block 1401, on which rotating rods 1407 evenly distributed in an annular shape are rotatably mounted, between which rotating rods 1407 and the conical block 1401 are fixedly mounted torsion springs 1408, and on which spur gears 1409 cooperating with the incomplete gear 1410 are fixedly mounted;

[0089] An air cylinder 1420 is fixedly installed in the buffer cylinder 1405, a threaded rod 1411 is fixedly installed on the rotating rod 1407, and the threaded rod 1411 is sealed and penetrated and rotatably installed on the corresponding buffer cylinder 1405 and the air cylinder 1420, a piston 1413 is threadedly installed on the threaded rod 1411, and the piston 1413 is sealed and slidably installed in the corresponding air cylinder 1420, the air cylinder 1420 is fixedly connected with a one-way suction pipe 1406, and the one-way suction pipe 1406 is sealed and penetrated and fixedly installed on the corresponding buffer cylinder 1405, the air cylinder 1420 is fixedly connected with a one-way exhaust pipe 1412, and the air cylinder 1420 is fixedly connected with a one-way air supply pipe 1415.

[0090] The purification component includes a purification box 1417 rotatably mounted on the fixed cylinder 10 , an exhaust pipe 1416 is fixedly connected between the cache cylinder 1405 and the purification box 1417 , a filter 1418 is fixedly mounted in the purification box 1417 , and a radiator 1419 is fixedly mounted in the purification box 1417 .

[0091] During the welding process of the tungsten electrode 1101 and the welding wire, harmful gases such as high concentration of ozone will be generated. The density of harmful gases such as high concentration of ozone is lower than that of the surrounding cold air, so they will be affected by the upward buoyancy and continue to move upward (such as Fig.16 The vortex argon gas flow ejected by the support disk 1207 can further accelerate the speed of the gas moving upward.

[0092] The vortex argon gas flow will generate centrifugal force when it rotates. Since the argon gas rotates around the arc, during the rotation process, the gas pressure close to the rotation center (i.e. the location of the arc) is relatively low, while the gas pressure far from the center is relatively high. Therefore, the gas generated during the welding process (such as metal vapor, harmful ozone and nitrogen oxides, etc.) will be pushed toward the vortex argon gas flow by this pressure difference. During the continuous rotation process, the vortex argon gas flow will carry this part of the gas away from the arc, thereby accelerating the upward movement speed of this part of the gas, which helps to reduce the gas residue in the weld, reduce the probability of pore formation in the weld of the weld, and effectively improve the density of the weld of the weld.

[0093] At the same time, when the support plate 1207 is rotated under force, the conical block 1401, the plurality of rotating rods 1407, the spur gear 1409 and the buffer cylinder 1405 will rotate together. When the plurality of spur gears 1409 rotate and mesh with the incomplete gear 1410, the rotating rod 1407 will drive the corresponding threaded rod 1411 to rotate. At this time, the rotation of the threaded rod 1411 will drive the corresponding piston 1413 to move upward (such as Fig.17 The suction force generated during the upward movement of the piston 1413 will be sucked into the air cylinder 1420 through the corresponding one-way air suction pipe 1406;

[0094] When the conical block 1401 is subjected to force to drive the rotating rod 1407 and the spur gear 1409 and the incomplete gear 1410 thereon, the rotating rod 1407 is driven by the elastic force of the corresponding torsion spring 1408 to drive the corresponding threaded rod 1411 to rotate and reset quickly, and the rotation of the threaded rod 1411 at this time drives the corresponding piston 1413 to move down and reset quickly (such as Fig.17 The gas sucked into the corresponding air bleed cylinder 1420 is discharged into the buffer cylinder 1405 through the one-way exhaust pipe 1412, thereby collecting the high-concentration harmful gases generated during the welding process, reducing the pollution of the air by this part of the gas and the damage to the health of the on-site construction personnel. Through the above operation, the intermittent collection of harmful gases generated by welding can be achieved.

[0095] A rubber sealing ring (not shown) is fixedly installed between the threaded rod 1411 and the corresponding piston 1413. The rubber sealing ring has good elasticity and sealing performance. When the piston 1413 moves up and down under force, the rubber sealing ring can adapt to the relative movement between the piston 1413 and the threaded rod 1411 to a certain extent, while ensuring the sealing of the connection between the two, ensuring the collection of harmful gases generated during the welding process of the equipment when the piston 1413 moves up and down under force, and discharge this part of the collected gas into the buffer cylinder 1405.

[0096] At the same time, the purpose of setting the air inlets of multiple one-way suction pipes 1406 at the upper end of the conical block 1401 is (such as Fig.16 In the direction shown), when high-concentration ozone and other harmful gases flow upward, under the guidance of the conical block 1401, this part of the gas will move away from the support plate 1207, which can help form a certain angle between this part of the gas and the vortex-like argon gas flow ejected from the support plate 1207. At this time, the intermittent collection of this part of the gas by multiple one-way suction pipes 1406 can effectively reduce the suction force of the vortex-like argon gas flow during the intermittent extraction of the multiple one-way suction pipes 1406, which helps to further ensure the stability of the vortex-like argon gas protection layer ejected from the support plate 1207 for arc protection.

[0097] The purpose of setting an incomplete gear 1410 to cooperate with multiple spur gears 1409, a rotating rod 1407, and a torsion spring 1408 to intermittently drive multiple pistons 1413 to move up and down for pumping and exhausting is that an excessively high pumping speed will form a strong negative pressure near the suction port of the one-way suction pipe 1406. This negative pressure may change the vortex state of the argon gas. Therefore, intermittent pumping can make the pumping speed of the multiple one-way suction pipes 1406 for high-concentration ozone and other harmful gases lower than the speed of the support plate 1207 rotating to spray out the vortex argon gas flow, thereby further reducing the influence of the multiple one-way suction pipes 1406 on the stability of the vortex argon gas protection layer during the pumping process.

[0098] At the same time, when the harmful gas entering the multiple buffer cylinders 1405 gradually increases, this part of the gas will enter the purification box 1417 along the corresponding exhaust pipe 1416, and the filter 1418 inside the purification box 1417 will filter the incoming gas, thereby achieving the effect of purifying the gas, and the purified gas will eventually be discharged from the pipe body on the purification box 1417 (drawn but not marked in the figure, from Fig.16 can be seen in ).

[0099] like Figure 5 , Fig.16 , Fig.17 As shown, the heat dissipation component includes an annular cylinder 1402 fixedly mounted on a conical block 1401, a sealing plate 1403 is sealingly and rotatably mounted on the annular cylinder 1402, and a one-way air inlet pipe 1414 is fixedly connected between the buffer cylinder 1405 and the annular cylinder 1402;

[0100] The positioning cylinder 1102 is fixedly mounted with a heat conducting pipe 1103, and the lower end of the heat conducting pipe 1103 is sealed and penetrated and fixedly mounted on the fixed cylinder 10, and the lower end of the heat conducting pipe 1103 is sealed and penetrated through the sealing plate 1403 and extends into the annular cylinder 1402, and the upper end of the heat conducting pipe 1103 is fixedly connected with an air suction pipe 1104 (the upper and lower parts are referred to as the upper and lower parts of the heat conducting pipe 1103). Fig.16 , Fig.16 The position of the air suction pipe 1104 marked in the figure is the upper end, and the position of the support plate 1207 marked in the figure is the lower end), and the air suction pipe 1104 is sealed and penetrated and fixedly installed on the fixed cylinder 10.

[0101] During the welding process of the tungsten electrode 1101 and the welding wire, when the current passes through the tungsten electrode 1101, due to the resistance of the tungsten electrode 1101 itself, the tungsten electrode 1101 itself will generate a certain amount of heat. If the tungsten electrode 1101 is not promptly cooled, the temperature of the tungsten electrode 1101 itself will continue to rise, and the tungsten electrode 1101 is prone to burn out at high temperatures, and its end (i.e., the lower end, such as Figure 7 The arc may melt or deform (in the direction shown). Since the generation and maintenance of the arc are related to the shape of the end of the tungsten electrode 1101, once the end of the tungsten electrode 1101 is burned and deformed, the stability of the arc will be reduced, and arc drift and flicker will easily occur, thereby reducing the welding effect of the equipment on the weldment.

[0102] When the tungsten electrode 1101 and the welding wire are used to weld the workpiece, the heat automatically generated by the tungsten electrode 1101 is transferred to the heat pipe 1103 through the positioning cylinder 1102 (the positioning cylinder 1102 is made of a heat conductive material). Fig.17 The one-way air inlet pipe 1414 cooperates with the annular tube 1402, the heat conducting tube 1103 and the air suction pipe 1104 to inhale the external air into the heat conducting tube 1103, and enters the multiple air bleed tubes 1420 along the heat conducting tube 1103, the annular tube 1402 and the multiple one-way air inlet pipes 1414, thereby accelerating the flow speed of the gas in the heat conducting tube 1103 and speeding up the heat exchange speed of the gas to the heat conducting tube 1103, that is, helping to achieve the timely heat dissipation effect of the tungsten electrode 1101;

[0103] And when the piston 1413 is forced to move upward (such as Fig.17 The direction shown in the figure) can facilitate the gas entering into the multiple air bleed cylinders 1420 and above the piston 1413 to be squeezed into the corresponding buffer cylinder 1405 through the corresponding one-way air supply pipe 1415, and finally enter into the purification box 1417 along the exhaust pipe 1416. Through the cooperation of the filter 1418 and the radiator 1419 inside the purification box 1417, the filtering and cooling treatment of this part of the gas can be achieved, thereby ensuring the cleanliness of the gas finally discharged from the purification box 1417 and effectively reducing the temperature of the exhaust gas.

[0104] Instructions for use: When the equipment is needed to weld the weldment (i.e. boiler components), first fix the tungsten electrode 1101 at a suitable position through the cooperation of the positioning fixture 3 with the clamping positioning system 7 and the rotating system 9, and then start welding the weldment through the cooperation of the welding body 1 with the transmission system 5 and the wire feeding system 4.

[0105] At the same time, before welding the weldment, the two motors 1202 are started, and the argon gas stored in the gas tank 2 is input into the air supply pipe 1301 through the cooperation between the gas tank 2 and the air supply pipe. At this time, the two motors 1202 cooperate with the transmission components and the air induced components to drive the sealing disk 1204 and the support disk 1207 to rotate relative to each other, so that the support disk 1207 rotates to spray out a stable vortex-shaped argon gas flow, thereby reducing the natural wind or the airflow generated around the equipment, which affects the arc protection effect of argon gas. At the same time, the vortex-shaped argon gas flow can also help to improve the uniformity of arc protection.

[0106] At the same time, by adjusting the component 13, the rotation speed of the sealing disk 1204 and the support disk 1207 can be adjusted according to the size of the argon flow rate inside the air supply pipe 1301, ensuring that when the equipment outputs a large argon flow rate or a small argon flow rate, the support disk 1207 can spray out a stable vortex argon flow, which helps to ensure that the vortex argon flow sprayed by the equipment has a uniform protection effect on the arc.

[0107] When the support plate 1207 drives the conical block 1401 to rotate together, the cooperation of the air suction component and the purification component can collect harmful gases such as high-concentration ozone generated by the equipment welding, and purify the collected gases. At the same time, the cooperation of the heat dissipation component and the purification component can achieve timely heat dissipation of the tungsten electrode 1101, ensuring the stability of the arc generated by the tungsten electrode 1101 when it is energized, which effectively ensures the welding effect of the equipment on the weldment.

[0108] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mechanical argon arc welding machine for welding boilers, comprising a welding body (1), a positioning fixture (3), a clamping and positioning system (7) installed on the positioning fixture (3), a rotating system (9) installed on the clamping and positioning system (7), a fixed cylinder (10) fixedly installed on the rotating system (9), a welding assembly (11) arranged in the fixed cylinder (10), a gas delivery assembly (12) arranged in the fixed cylinder (10), an adjusting assembly (13) arranged in the fixed cylinder (10), and an air suction assembly (14) arranged on the fixed cylinder (10); Features: The gas delivery component (12) comprises an annular slide groove 1 (1217) and an annular slide groove 2 (1218) provided in the fixed cylinder (10); the annular slide groove 1 (1217) is slidably mounted with sliders (1206) evenly distributed in an annular shape; a support plate (1207) is fixedly mounted between the sliders (1206); the support plate (1207) is provided with air delivery holes (1214) evenly distributed in an annular shape; a sealing plate (1204) is sealingly slidably mounted on the annular slide groove 2 (1218); the sealing plate (1204) is provided with air induction holes (1205) evenly distributed in an annular shape; a transmission component is installed between the support plate (1207) and the sealing plate (1204); and an air induction component is installed between the support plate (1207) and the sealing plate (1204); The air suction component (14) comprises a conical block (1401) fixedly mounted on a support plate (1207), a fixing frame (1404) evenly distributed in a ring shape fixedly mounted on the conical block (1401), a buffer cylinder (1405) fixedly mounted on the fixing frame (1404), an air suction component installed between the buffer cylinder (1405) and the conical block (1401), and a purification component installed on the fixing cylinder (10).

2. The mechanical argon arc welding machine for welding boilers according to claim 1, characterized in that: The transmission component comprises a sealing plate (1208) rotatably mounted on the sealing disk (1204); a support block (1201) is fixedly mounted on the inner wall of the fixed cylinder (10); two support blocks (1201) are provided; a motor (1202) is fixedly mounted on each of the two support blocks (1201); a rotating shaft (1203) is fixedly mounted on the driving ends of the two motors (1202); and the two rotating shafts (1203) are sealed and penetrate and are rotatably mounted on the sealing plate (1208); A rotating gear one (1210) is fixedly mounted on the two rotating shafts (1203), a gear ring (1209) meshing with the two rotating gears one (1210) is fixedly mounted on the sealing disk (1204), a rotating gear two (1216) is fixedly mounted on the two rotating shafts (1203), and a parallel axis gear (1215) meshing with the two rotating gears two (1216) is fixedly mounted on the supporting disk (1207).

3. The mechanical argon arc welding machine for welding boilers according to claim 1, characterized in that: The air induction component comprises compression springs (1211) respectively fixedly mounted in annular shapes and uniformly on the sealing disk (1204) and the supporting disk (1207), annular plates (1212) are fixedly mounted between the corresponding compression springs (1211), and air induction plates (1213) evenly distributed in annular shapes are fixedly mounted on the two annular plates (1212).

4. The mechanical argon arc welding machine for welding boilers according to claim 1, characterized in that: The regulating assembly (13) comprises an air delivery pipe (1301) fixedly mounted on the inner top wall of the fixed cylinder (10); a fixed groove (1219) is provided in the fixed cylinder (10); two fixed grooves (1219) are provided; a groove body (1220) is provided in the fixed cylinder (10); two groove bodies (1220) are provided, and both groove bodies (1220) are connected to the corresponding fixed groove (1219); and both groove bodies (1220) are connected to the second annular slide groove (1218); A rotating shaft (1304) is sealed and rotatably installed on the air supply pipe (1301), two rotating shafts (1304) are provided, and one end of the two rotating shafts (1304) is rotatably connected to the corresponding fixing groove (1219), a threaded rod (1302) is rotatably installed on the two groove bodies (1220), and a pressing plate (1303) is threadedly installed on the two threaded rods (1302), and two pressing plates (1303) are provided, and a driving component is installed between the two rotating shafts (1304) and the two threaded rods (1302).

5. The mechanical argon arc welding machine for welding boilers according to claim 4, characterized in that: The driving component comprises a spur gear (1314) respectively fixedly mounted on two threaded rods (1302); a roller body (1306) is fixedly mounted on the two rotating shafts (1304); a placement groove is provided on the two roller bodies (1306), and two placement grooves are provided; a spring telescopic rod (1309) is fixedly mounted on the placement groove; and a push block (1310) is fixedly mounted on one end of the spring telescopic rod (1309); A positioning rod (1307) is fixedly installed on the two roller bodies (1306), and two positioning rods (1307) are provided. A rod body (1308) is penetrated and slidably installed on the positioning rod (1307), and a roller is rotatably installed on the lower end of the rod body (1308). A support plate (1311) is fixedly installed between the two corresponding rod bodies (1308), and a fixing plate (1312) is rotatably installed on the two support plates (1311). A rack (1313) meshing with a corresponding spur gear (1314) is fixedly installed on the two fixing plates (1312), and fan blades (1305) evenly distributed in a ring shape are fixedly installed on the two roller bodies (1306).

6. The mechanical argon arc welding machine for welding boilers according to claim 1, characterized in that: The air intake component comprises an incomplete gear (1410) rotatably mounted on a conical block (1401); rotating rods (1407) evenly distributed in an annular shape are rotatably mounted on the conical block (1401); a torsion spring (1408) is fixedly mounted between the rotating rod (1407) and the conical block (1401); and a spur gear 2 (1409) matching the incomplete gear (1410) is fixedly mounted on the rotating rod (1407); An air bleed cylinder (1420) is fixedly installed in the cache cylinder (1405), a threaded rod (1411) is fixedly installed on the rotating rod (1407), and the threaded rod (1411) is sealed and penetrated and rotatably installed on the corresponding cache cylinder (1405) and the air bleed cylinder (1420), a piston (1413) is threadedly installed on the threaded rod (1411), and the piston (1413) is sealed and slidably installed in the corresponding air bleed cylinder (1420), the air bleed cylinder (1420) is fixedly connected with a one-way air suction pipe (1406), and the one-way air suction pipe (1406) is sealed and penetrated and fixedly installed on the corresponding cache cylinder (1405), the air bleed cylinder (1420) is fixedly connected with a one-way exhaust pipe (1412), and the air bleed cylinder (1420) is fixedly connected with a one-way air supply pipe (1415).

7. The mechanical argon arc welding machine for welding boilers according to claim 1, characterized in that: The purification component comprises a purification box (1417) rotatably mounted on a fixed cylinder (10); an exhaust pipe (1416) is fixedly connected between the cache cylinder (1405) and the purification box (1417); a filter (1418) is fixedly mounted inside the purification box (1417); and a radiator (1419) is fixedly mounted inside the purification box (1417).

8. The mechanical argon arc welding machine for welding boilers according to claim 2, characterized in that: The welding assembly (11) comprises a positioning cylinder (1102) fixedly installed in a fixing cylinder (10), and the positioning cylinder (1102) is fixedly connected to a sealing plate (1208), a tungsten electrode clamp (1105) is fixedly installed in the positioning cylinder (1102), a tungsten electrode (1101) is snap-fitted onto the tungsten electrode clamp (1105), and a heat dissipation component is installed between the positioning cylinder (1102) and the buffer cylinder (1405).

9. The mechanical argon arc welding machine for welding boilers according to claim 8, characterized in that: The heat dissipation component comprises an annular cylinder (1402) fixedly mounted on the conical block (1401), a sealing plate (1403) being sealingly rotatably mounted on the annular cylinder (1402), and a one-way air inlet pipe (1414) being fixedly connected between the buffer cylinder (1405) and the annular cylinder (1402); A heat conducting pipe (1103) is fixedly mounted on the positioning cylinder (1102), and the lower end of the heat conducting pipe (1103) is sealed and penetrated through and fixedly mounted on the fixed cylinder (10), and the lower end of the heat conducting pipe (1103) is sealed and penetrated through the sealing plate (1403) and extends into the annular cylinder (1402), and the upper end of the heat conducting pipe (1103) is fixedly connected to an air suction pipe (1104), and the air suction pipe (1104) is sealed and penetrated through and fixedly mounted on the fixed cylinder (10).

10. The mechanical argon arc welding machine for welding boilers according to claim 1, characterized in that: A gas storage tank (2) is fixedly mounted on the welding body (1), an air supply pipe is fixedly connected between the gas storage tank (2) and the fixed cylinder (10), a wire feeding system (4) is mounted on the positioning fixture (3), a cable protection cover (6) is installed between the wire feeding system (4) and the welding body (1), a transmission system (5) is mounted on the positioning fixture (3), and an adjustment device (8) is mounted on the clamping positioning system (7).

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