A welding device for machining precision components of electromechanical devices

Abstract

The application relates to the technical field of welding devices, and discloses a welding device for machining precision components of electromechanical equipment, which comprises an argon arc welding machine body, a turnover mechanism and a pre-cleaning mechanism arranged outside the argon arc welding machine body, the turnover mechanism comprises a welding gun, a driving assembly, a first turnover ring and a second turnover ring, the driving assembly is arranged outside the welding gun, the first turnover ring is arranged at the outlet of the welding gun, the surface of the first turnover ring is in contact with the surface of the welding gun, and the surface of the second turnover ring is fixedly arranged on the surface of the first turnover ring; when the surface of the second turnover ring is attached with welding slag, the resistance of argon gas passing through is increased. The welding device for machining precision components of electromechanical equipment can not only avoid the outlet blockage of the welding gun, the oxidation of the molten pool caused by forced equipment shutdown, but also provide protection for the tungsten electrode rod when the equipment is not used.

Description

Technical Field

[0001] This invention relates to the field of welding equipment technology, specifically to a welding device for processing precision components of electromechanical equipment. Background Technology

[0002] Welding equipment is an indispensable core processing equipment in the modern machinery manufacturing field. It relies on the fusion process to achieve a firm connection of metal components and is widely adaptable to the processing of workpieces of different materials and structures. It is a key piece of equipment to ensure the assembly quality and performance of electromechanical equipment. Among them, the argon arc welding machine has become the preferred equipment for the processing of precision components of electromechanical equipment due to its outstanding advantages such as high welding precision, beautiful weld formation, small heat-affected zone, and less generation of weld slag and porosity. In the processing scenarios of precision parts, small transmission structures, and instrument supporting components, it can accurately complete the welding of thin materials and irregular shapes, effectively avoiding the deformation and defects that are easy to occur in conventional welding, and fully meeting the stringent requirements of electromechanical equipment for component precision, sealing and stability.

[0003] When operating an argon arc welding machine, welding slag can easily accumulate at the welding torch nozzle in a short period of time. Once this happens, the machine must be stopped immediately for cleaning. After the welding process is forced to stop, the high-temperature molten pool loses the protection of argon gas to isolate it from the air and undergoes a rapid oxidation reaction, resulting in an oxide layer and defects in the weld, which greatly reduces the welding quality. Summary of the Invention

[0004] (a) Technical problems to be solved To address the shortcomings of existing technologies, this invention provides a welding device for the precision processing of electromechanical components, which has the advantages of preventing slag accumulation and ensuring smooth airflow, thus solving the problems of rapid slag accumulation at the welding torch nozzle and oxidation of the molten pool caused by forced shutdown for cleaning.

[0005] (II) Technical Solution To achieve the above objectives, the present invention provides the following technical solution: comprising an argon arc welding machine body and a flipping mechanism and a pre-cleaning mechanism disposed on the outside of the argon arc welding machine body, wherein the flipping mechanism includes: Welding torch; A drive assembly, the drive assembly being disposed on the outside of the welding torch; A first rotating ring is disposed at the outlet of the welding torch, and the surface of the first rotating ring is in contact with the surface of the welding torch. The second flip ring has its surface fixedly disposed on the surface of the first flip ring; When an abnormally large amount of welding slag adheres, the second and first flipping rings will move downwards under the action of argon gas flow. Then, the driving component can be manually operated to flip the second flipping ring with a large amount of welding slag to the side of the first flipping ring.

[0006] Preferably, the pre-cleaning mechanism includes: A fixing cylinder is disposed on the outside of the welding torch; A turntable, the surface of which is rotatably mounted on the surface of a fixed cylinder; A transmission plate, the surface of which is fixedly disposed on the bottom surface of the turntable; A scraper is disposed between a first rotating ring and a second rotating ring, and the surface of the scraper is in contact with the surfaces of the first rotating ring and the second rotating ring; After the scraper rotates with the second and first rotating rings, it will be on the rotation path of the transmission plate. At this time, the rotation of the turntable can drive the transmission plate and the scraper to rotate.

[0007] Preferably, the surface of the second flip ring is provided with an inclined convex surface, and the surface of the first flip ring is provided with an inclined concave surface.

[0008] Preferably, the driving component includes a sliding ring, which is slidably disposed on the surface of the welding torch. A rotating ring is rotatably disposed on the inner wall of the sliding ring. Two lifting blocks are fixedly disposed on the surface of the rotating ring. Two lifting grooves are opened on the surface of the welding torch. Each lifting block is slidably disposed in the inner cavity of the lifting groove. Each lifting groove is divided into two travel intervals for the lifting blocks to slide. When the sliding ring moves downward, it can drive the rotating ring and the lifting block to move synchronously. The characteristic of the lifting block sliding inside the lifting groove can ensure that the rotating ring will not rotate in the initial stage of descent.

[0009] Preferably, two mounting plates are fixedly disposed on the surface of the sliding ring, and a spring return shaft is rotatably disposed on the inner wall of the two mounting plates. A first connecting plate is fixedly disposed on the surface of the spring return shaft, and the surface of the first connecting plate is fixedly disposed on the surface of the first flip ring. When the first flip ring moves downwards to below the welding torch, the spring reset shaft will rotate the first flip ring 180 degrees under the action of the elastic force, so that the first flip ring and the second flip ring are on one side of the welding torch.

[0010] Preferably, the inner wall of the welding torch is provided with a groove, and a slider is slidably disposed inside the groove, the surface of the slider being fixedly disposed on the surface of the second flip ring; Although the first and second flip rings are always subjected to the elastic force of the spring return shaft, the slider is inside the groove, so the slider limit ensures that the first and second flip rings will not rotate around the center of the spring return shaft. When the slider moves to the outside of the groove, the slider is no longer limited by the welding gun.

[0011] Preferably, the surface of the argon arc welding machine body is connected to a connecting pipe, the connecting pipe is fixedly connected to the surface of the welding torch, and a tungsten electrode is detachably installed on the inner wall of the welding torch.

[0012] Preferably, a second connecting plate is fixedly disposed on the surface of the welding gun, and the surface of the fixed cylinder is fixedly disposed on the surface of the second connecting plate. The inner walls of the second connecting plate, the welding gun, and the fixed cylinder are rotatably disposed on a long shaft.

[0013] Preferably, the long shaft extends to the outside of the fixed cylinder, and a steering gear is fixedly provided on the surface of the long shaft and the surface of the turntable. A swivel blade is installed on the part of the long shaft located in the inner cavity of the welding torch, and several identical guide plates are fixedly provided on the inner wall of the welding torch. Argon gas entering the welding torch spirals downwards under the action of the guide plate. As the gas moves, it blows the blades to rotate, and then transmits power to the turntable through the steering gear.

[0014] Preferably, a drive motor is fixedly installed on the inner wall of the fixed cylinder, and the gear fixed at the output end of the drive motor meshes with the teeth on the surface of the steering gear.

[0015] (III) Beneficial Effects Compared with the prior art, the present invention provides a welding device for machining precision components of electromechanical equipment, which has the following advantages: 1. The welding device for precision component processing of this electromechanical equipment is equipped with a second flipping ring. When the surface of the second flipping ring is covered with welding slag, it increases the resistance to argon gas flow. Under the action of argon gas flow, the second flipping ring and the first flipping ring will move downward. At this time, it will drive the drive component to move to the end position of the first stroke interval. Then, the drive component is manually operated to rotate to the beginning position of the second stroke interval and push the drive component downward. The drive component can flip the second flipping ring with a large amount of welding slag to the side of the first flipping ring. This can ensure that the welding torch can continue to operate normally even when there is a large amount of welding slag on the surface of the second flipping ring, and will not cause the welding torch to need to be stopped and the molten pool to oxidize. In addition, manually pulling the first and second flipping rings downward to the end position of the first stroke interval of the drive component can make the second flipping ring and the first flipping ring wrap around the tungsten electrode rod, providing protection for it and avoiding accidental bumps. Therefore, under the action of the flipping mechanism, not only can the welding torch outlet be blocked, which forces the equipment to stop and causes the molten pool to oxidize, but it can also protect the tungsten electrode rod when the equipment is not in use. 2. By incorporating a scraper, when the first and second rotating rings rotate, the scraper is moved onto the path of the transmission plate. The transmission plate provides thrust to the scraper due to the rotation of the turntable, thus cleaning the welding slag on the surfaces of the first and second rotating rings and achieving pre-cleaning. Simultaneously, the long shaft extends to the outside of the fixed cylinder, allowing operators to determine whether argon gas is passing through the welding torch based on the rotation of the long shaft. Therefore, under the action of the pre-cleaning mechanism, not only can the welding slag on the surfaces of the first and second rotating rings be cleaned, but the flow of argon gas can also be monitored. 3. By utilizing the inclined convex surface on the surface of the second flipping ring and the inclined concave surface on the surface of the first flipping ring, the argon gas inside the welding torch can be diverted, reducing the probability of argon gas directly acting on the molten pool and causing molten pool spatter. At the same time, the inclined concave surface can guide some of the argon gas to flow to both sides of the welding torch, which can guide the spattered slag and reduce the probability of slag spattering on the surface of the welding torch exit. In addition, the argon gas ejected outward directly acts on the welded part, which can also reduce the rate of temperature rise around the weld point. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 This is a schematic diagram of the welding torch of the present invention.

[0018] Figure 3 This is a schematic diagram of the structure of the first flipping ring of the present invention.

[0019] Figure 4 For the present invention Figure 3 A magnified view of a portion of point A in the middle.

[0020] Figure 5 This is a schematic diagram of the structure of the fixed cylinder of the present invention.

[0021] Figure 6 This is a schematic diagram of the scraper of the present invention.

[0022] Figure 7 This is a bottom view of the tungsten electrode rod of the present invention.

[0023] Figure 8 This is a schematic diagram of the structure of the second flipping ring of the present invention.

[0024] In the diagram: 1. Argon arc welding machine body; 201. Welding torch; 202. First tilting ring; 203. First connecting plate; 204. Spring return shaft; 205. Mounting plate; 206. Sliding ring; 207. Rotating ring; 208. Lifting block; 209. Lifting groove; 210. Scraper; 211. Slide groove; 212. Sliding block; 213. Second tilting ring; 301. Fixed cylinder; 302. Drive motor; 303. Second connecting plate; 304. Long shaft; 305. Steering gear; 306. Turntable; 307. Rotary blade; 308. Guide plate; 309. Transmission plate; 4. Connecting pipe; 5. Tungsten electrode rod. Detailed Implementation

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] In the description of this invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0027] In addition, a fixed connection refers to a connection in which parts or components are fixed and there is no relative movement; a transmission connection refers to a connection in which mechanical motion or torque is transmitted to other working parts through a transmission component; a sliding connection refers to a connection in which two objects are in contact but not fixed and can slide relative to each other; and a rotational connection refers to a connection in which two objects are in contact but not fixed and can rotate relative to each other.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0029] Example 1: A welding apparatus for machining precision components of electromechanical equipment is provided, which has the following technical features.

[0030] Please see Figures 1-8A welding apparatus for machining precision components of electromechanical equipment includes an argon arc welding machine body 1 and a flipping mechanism and a pre-cleaning mechanism disposed outside the argon arc welding machine body 1. The flipping mechanism includes: Welding torch 201; A drive assembly is located on the outside of the welding torch 201; The first flip ring 202 is disposed at the outlet of the welding torch 201, and the surface of the first flip ring 202 is in contact with the surface of the welding torch 201. The second flip ring 213 is fixedly disposed on the surface of the first flip ring 202; When the surface of the second flipping ring 213 is covered with welding slag, it will increase the resistance to argon gas flow. Under the action of argon gas flow, the second flipping ring 213 and the first flipping ring 202 will move downward. Then, the driving component can be manually operated to flip the second flipping ring 213 with a large amount of welding slag to the side of the first flipping ring 202.

[0031] It should be noted that if improper operation by the operator causes welding slag to rapidly condense on the surface of the second rotating ring 213, it will increase the resistance of argon gas passing through the outlet of the welding torch 201. Therefore, the second rotating ring 213 and the first rotating ring 202 will move downward under the action of gas pressure. The downward movement of the second rotating ring 213 and the first rotating ring 202 can drive the sliding ring 206, the rotating ring 207 and the lifting block 208 to move downward synchronously. Eventually, it will drive the lifting block 208 to the end position of the first stroke interval. At this time, the lifting groove 209, which was originally covered by the rotating ring 207 and the sliding ring 206, will be exposed, and the inside of the lifting groove 209 in the first stroke interval will be fresh. The bright red color can signal to the staff. Then, manual rotational force is applied to the rotating ring 207, causing the lifting block 208 to rotate to the starting position of the second stroke range. This pushes the sliding ring 206 and rotating ring 207 downwards until the slider 212, fixed to the surface of the second flip ring 213, moves below the groove 211. Furthermore, although the first flip ring 202 and second flip ring 213 are constantly subjected to the elastic force of the spring return shaft 204, because the slider 212 is inside the groove 211, the slider 212's limitation ensures that the first flip ring 202 and second flip ring 213 will not wrap around the spring. The center of the reset shaft 204 rotates, and when the slider 212 moves below the groove 211, the slider 212 is no longer limited. Therefore, the first flip ring 202 and the second flip ring 213 will flip 180 degrees under the action of the spring reset shaft 204. At this time, there is no welding slag at the outlet of the welding torch 201, so the argon gas will not be concentrated in one place of the molten pool due to the accumulation of welding slag. Subsequently, the operator stops melting the consumables, blocking the continued generation of the molten pool. Thus, even when there is a large amount of welding slag on the surface of the second flip ring 213, the welding torch 201 can still continue to operate normally without the need to stop the welding torch 201 and cause oxidation of the molten pool. When the problem occurs, manually pull the first flipping ring 202 and the second flipping ring 213 downwards to the end position of the first stroke interval of the lifting block 208, and then rotate the lifting block 208 to the position of the end of the first stroke interval and the beginning of the second stroke interval to limit the sliding ring 206 and the rotating ring 207. This allows the second flipping ring 213 and the first flipping ring 202 to wrap around the tungsten electrode 5, providing protection for it and preventing accidental bumps. Therefore, under the action of the flipping mechanism, not only can the blockage of the welding torch 201 outlet be avoided, which would force the equipment to stop and cause molten pool oxidation, but it can also protect the tungsten electrode 5 when the equipment is not in use.

[0032] Further, the pre-cleaning mechanism includes: The fixing cylinder 301 is located on the outside of the welding torch 201; Turntable 306, the surface of turntable 306 is rotatably mounted on the surface of fixed cylinder 301; Transmission plate 309, the surface of transmission plate 309 is fixedly disposed on the bottom surface of turntable 306; Scraper 210 is disposed between the first rotating ring 202 and the second rotating ring 213, and the surface of scraper 210 is in contact with the surfaces of the first rotating ring 202 and the second rotating ring 213. After the scraper 210 rotates with the second rotating ring 213 and the first rotating ring 202, it will be on the rotation path of the transmission plate 309. At this time, the rotation of the turntable 306 can drive the transmission plate 309 and the scraper 210 to rotate.

[0033] It should be noted that when the first rotating ring 202 and the second rotating ring 213 rotate, they can drive the scraper 210 to move onto the moving path of the transmission plate 309. The transmission plate 309 and the turntable 306 will use argon gas to rotate the airflow generated by the swivel blade 307, providing thrust to the scraper 210. Therefore, the welding slag on the surface of the first rotating ring 202 and the second rotating ring 213 can be cleaned to achieve the purpose of pre-cleaning. When the molten slag solidifies and is difficult to clean, the drive motor 302 can apply strong power to it. At the same time, the long shaft 304 extends to the outside of the fixed cylinder 301. The operator can judge whether there is argon gas passing through the inside of the welding torch 201 based on the rotation state of the long shaft 304. Therefore, under the action of the pre-cleaning mechanism, not only can the welding slag on the surface of the first rotating ring 202 and the second rotating ring 213 be cleaned, but the flow state of argon gas can also be monitored.

[0034] Furthermore, the surface of the second flip ring 213 is provided with an inclined convex surface, and the surface of the first flip ring 202 is provided with an inclined concave surface.

[0035] It should be noted that by utilizing the inclined convex surface on the surface of the second flipping ring 213 and the inclined concave surface on the surface of the first flipping ring 202, the argon gas inside the welding torch 201 can be diverted, reducing the probability of argon gas directly acting on the molten pool and causing molten pool spatter. At the same time, the inclined concave surface can guide some of the argon gas to flow to both sides of the welding torch 201, which can guide the spattered slag and reduce the probability of slag spattering on the outlet surface of the welding torch 201. In addition, the argon gas ejected outward directly acts on the welded part, which can also reduce the rate of temperature rise around the weld point.

[0036] Furthermore, the drive assembly includes a sliding ring 206, which is slidably disposed on the surface of the welding torch 201. A rotating ring 207 is rotatably disposed on the inner wall of the sliding ring (206). Two lifting blocks 208 are fixedly disposed on the surface of the rotating ring 207. Two lifting grooves 209 are opened on the surface of the welding torch 201. Each lifting block 208 is slidably disposed in the inner cavity of the lifting groove 209. Each lifting groove 209 is divided into two travel intervals for the lifting block 208 to slide.

[0037] It should be noted that when the sliding ring 206 moves downward, it can drive the rotating ring 207 and the lifting block 208 to move synchronously. The characteristic of the lifting block 208 sliding inside the lifting groove 209 can ensure that the rotating ring 207 will not rotate in the initial stage of descent.

[0038] Furthermore, two mounting plates 205 are fixedly mounted on the surface of the sliding ring 206. A spring return shaft 204 is rotatably mounted on the inner wall of the two mounting plates 205. A first connecting plate 203 is fixedly mounted on the surface of the spring return shaft 204. The surface of the first connecting plate 203 is fixedly mounted on the surface of the first flip ring 202.

[0039] It should be noted that when the first flip ring 202 moves downward to below the welding torch 201, the spring reset shaft 204 will drive the first flip ring 202 to rotate 180 degrees under the action of the elastic force, so that the first flip ring 202 and the second flip ring 213 are on one side of the welding torch 201.

[0040] Furthermore, the inner wall of the welding torch 201 is provided with a groove 211, and a slider 212 is slidably disposed inside the groove 211. The surface of the slider 212 is fixedly disposed on the surface of the second flip ring 213.

[0041] It should be noted that although the first flipping ring 202 and the second flipping ring 213 are always subjected to the elastic force of the spring return shaft 204, the slider 212 is inside the slide groove 211. Therefore, under the limitation of the slider 212, it can be ensured that the first flipping ring 202 and the second flipping ring 213 will not rotate around the center of the spring return shaft 204. When the slider 212 moves to the outside of the slide groove 211, the slider 212 is no longer limited by the welding torch 201. Therefore, the first flipping ring 202 and the second flipping ring 213 will flip under the action of the spring return shaft 204.

[0042] Furthermore, the surface of the argon arc welding machine body 1 is connected to a connecting pipe 4, which is fixedly connected to the surface of the welding torch 201. A tungsten electrode 5 is detachably installed on the inner wall of the welding torch 201.

[0043] It should be noted that the connecting pipe 4 can deliver argon gas to the inside of the welding torch 201, ensuring that the molten pool is not oxidized by oxygen.

[0044] Furthermore, a second connecting plate 303 is fixedly disposed on the surface of the welding torch 201, and the surface of the fixed cylinder 301 is fixedly disposed on the surface of the second connecting plate 303. The inner walls of the second connecting plate 303, the welding torch 201, and the fixed cylinder 301 are rotatably disposed on a long shaft 304.

[0045] It should be noted that the second connecting plate 303 can be used to install the fixed cylinder 301, while the long shaft 304 can serve as a transmission device.

[0046] Furthermore, the long shaft 304 extends to the outside of the fixed cylinder 301, and a steering gear 305 is fixedly installed on the surface of the long shaft 304 and the surface of the turntable 306. A swivel blade 307 is installed on the part of the long shaft 304 located in the inner cavity of the welding torch 201, and several identical guide plates 308 are fixedly installed on the inner wall of the welding torch 201.

[0047] It should be noted that the argon gas entering the welding torch 201 will spiral downward under the action of the guide plate 308. When the gas moves, it will pass by one side of the swivel blade 307 and blow the swivel blade 307 to rotate, and then the power can be transmitted to the turntable 306 through the steering gear 305.

[0048] Furthermore, a drive motor 302 is fixedly installed on the inner wall of the fixed cylinder 301, and the gear fixed at the output end of the drive motor 302 meshes with the teeth on the surface of the steering gear 305.

[0049] It should be noted that the drive motor 302 can provide power to the steering gear 305 to assist in cleaning the welding slag.

[0050] Working principle: The argon arc welding machine body 1 is connected to an external argon cylinder. Argon gas can enter the welding torch 201 through the connecting pipe 4 and be ejected from the outlet of the welding torch 201, forming an air curtain to prevent the molten pool from contacting oxygen. When the welding torch 201 is performing welding work, if welding slag quickly condenses on the surface of the second rotating ring 213 due to improper operation by the operator, it will increase the resistance of the argon gas passing through the outlet of the welding torch 201. Therefore, the second rotating ring 213 and the first rotating ring 202 will move downward under the action of air pressure. The downward movement of the second rotating ring 213 and the first rotating ring 202 can drive the sliding ring 206, the rotating ring 207 and the lifting block 208 to move downward synchronously, and finally drive the lifting block 208 to move to the second rotating ring 206. At the end of the first stroke interval, the lifting groove 209, which was originally covered by the rotating ring 207 and the sliding ring 206, will be exposed. The inside of the lifting groove 209 in the first stroke interval is bright red, which can transmit a signal to the staff. Then, the staff manually applies rotational power to the rotating ring 207, causing the lifting block 208 to rotate to the starting position of the second stroke interval, and pushes the sliding ring 206 and the rotating ring 207 downward until the slider 212, which is fixed to the surface of the second flip ring 213, moves to the bottom of the groove 211. In addition, although the first flip ring 202 and the second flip ring 213 are always subjected to the elastic force of the spring return shaft 204, because the slider 212 is inside the groove 211, With the slider 212 in a limited position, the first rotating ring 202 and the second rotating ring 213 will not rotate around the center of the spring return shaft 204. When the slider 212 moves to the bottom of the groove 211, it is no longer limited. Therefore, the first rotating ring 202 and the second rotating ring 213 will rotate 180 degrees under the action of the spring return shaft 204. At this time, there is no welding slag at the outlet of the welding torch 201, so the argon gas will not be concentrated in one place of the molten pool due to the accumulation of welding slag. Then, the operator stops melting the consumables, stopping the continued generation of the molten pool. Thus, even when there is a large amount of welding slag on the surface of the second rotating ring 213, the welding torch 201 can still continue to operate normally. The welding torch 201 may need to be stopped, leading to oxidation of the molten pool. In addition, manually pulling the first flip ring 202 and the second flip ring 213 downwards to the end position of the first stroke interval of the lifting block 208, and then rotating the lifting block 208 to the position of the end of the first stroke interval and the beginning of the second stroke interval, limits the sliding ring 206 and the rotating ring 207. This allows the second flip ring 213 and the first flip ring 202 to wrap around the tungsten electrode 5, providing protection for it and preventing accidental impact. Therefore, under the action of the flipping mechanism, not only can the welding torch 201 outlet blockage be avoided, which would force the equipment to stop and cause oxidation of the molten pool, but it can also protect the tungsten electrode 5 when the equipment is not in use. When the first rotating ring 202 and the second rotating ring 213 rotate, they can drive the scraper 210 to move onto the moving path of the transmission plate 309. The transmission plate 309 and the turntable 306 will use argon gas to rotate the airflow generated by the swivel blade 307, which will provide thrust to the scraper 210. Therefore, the welding slag on the surface of the first rotating ring 202 and the second rotating ring 213 can be cleaned to achieve the purpose of pre-cleaning. When the molten slag solidifies and is difficult to clean, the drive motor 302 can apply strong power to it. At the same time, the long shaft 304 extends to the outside of the fixed cylinder 301. The operator can judge whether there is argon gas passing through the inside of the welding torch 201 based on the rotation state of the long shaft 304. Therefore, under the action of the pre-cleaning mechanism, not only can the welding slag on the surface of the first rotating ring 202 and the second rotating ring 213 be cleaned, but the flow state of argon gas can also be monitored. By utilizing the inclined convex surface on the surface of the second flip ring 213 and the inclined concave surface on the surface of the first flip ring 202, the argon gas inside the welding torch 201 can be diverted, reducing the probability of argon gas directly acting on the molten pool and causing molten pool spatter. At the same time, the inclined concave surface can guide some of the argon gas to flow to both sides of the welding torch 201, which can guide the spattered slag and reduce the probability of slag spattering on the outlet surface of the welding torch 201. In addition, the argon gas ejected outward directly acts on the welded part, which can also reduce the rate of temperature rise around the weld point.

[0051] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0052] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A welding apparatus for machining precision components of electromechanical equipment, comprising an argon arc welding machine body (1) and a flipping mechanism and a pre-cleaning mechanism disposed outside the argon arc welding machine body (1), characterized in that, The flipping mechanism includes: Welding torch (201); A drive assembly is disposed on the outside of the welding torch (201); The first rotating ring (202) is disposed at the outlet of the welding torch (201), and the surface of the first rotating ring (202) is in contact with the surface of the welding torch (201); The surface of the second flip ring (213) is fixedly disposed on the surface of the first flip ring (202); When an abnormally large amount of welding slag adheres, the second flipping ring (213) and the first flipping ring (202) move downward under the action of argon gas flow. Then, the driving component is operated manually, and the second flipping ring (213) with a large amount of welding slag can be flipped to the side of the first flipping ring (202) by the driving component.

2. The welding device for precision component processing of electromechanical equipment according to claim 1, characterized in that, The pre-cleaning mechanism includes: A fixing cylinder (301) is disposed on the outside of the welding torch (201); A turntable (306) is rotatably disposed on the surface of a fixed cylinder (301); A transmission plate (309) is fixedly disposed on the bottom surface of a turntable (306); A scraper (210) is disposed between a first rotating ring (202) and a second rotating ring (213), and the surface of the scraper (210) is in contact with the surfaces of the first rotating ring (202) and the second rotating ring (213); After the scraper (210) rotates with the second rotating ring (213) and the first rotating ring (202), it will be on the rotation path of the transmission plate (309). At this time, the rotation of the turntable (306) can drive the transmission plate (309) and the scraper (210) to rotate.

3. The welding device for precision component processing of electromechanical equipment according to claim 1, characterized in that, The second flip ring (213) has an inclined convex surface, and the first flip ring (202) has an inclined concave surface.

4. The welding device for precision machining of electromechanical components according to claim 1, characterized in that, The drive assembly includes a sliding ring (206), which is slidably disposed on the surface of the welding torch (201). A rotating ring (207) is rotatably disposed on the inner wall of the sliding ring (206). Two lifting blocks (208) are fixedly disposed on the surface of the rotating ring (207). Two lifting grooves (209) are opened on the surface of the welding torch (201). Each lifting block (208) is slidably disposed in the inner cavity of the lifting groove (209). Each lifting groove (209) is divided into two travel intervals for the lifting block (208) to slide. When the sliding ring (206) moves downward, it can drive the rotating ring (207) and the lifting block (208) to move synchronously. The characteristic of the lifting block (208) sliding inside the lifting groove (209) can ensure that the rotating ring (207) will not rotate in the initial stage of descent.

5. A welding device for precision machining of electromechanical components according to claim 4, characterized in that, Two mounting plates (205) are fixedly provided on the surface of the sliding ring (206). The inner walls of the two mounting plates (205) are rotatably provided with a spring return shaft (204). A first connecting plate (203) is fixedly provided on the surface of the spring return shaft (204). The surface of the first connecting plate (203) is fixedly provided on the surface of the first flip ring (202). When the first flip ring (202) moves downward to below the welding torch (201), the spring reset shaft (204) will drive the first flip ring (202) to rotate 180 degrees under the action of the elastic force, so that the first flip ring (202) and the second flip ring (213) are on one side of the welding torch (201).

6. The welding device for precision machining of electromechanical components according to claim 1, characterized in that, The inner wall of the welding torch (201) is provided with a groove (211), and a slider (212) is slidably arranged inside the groove (211). The surface of the slider (212) is fixedly arranged on the surface of the second flip ring (213). Although the first flip ring (202) and the second flip ring (213) are always subjected to the elastic force of the spring return shaft (204), the slider (212) is inside the groove (211). Therefore, under the limitation of the slider (212), it can be ensured that the first flip ring (202) and the second flip ring (213) will not rotate around the center of the spring return shaft (204). When the slider (212) moves to the outside of the groove (211), the slider (212) is no longer limited by the welding gun (201).

7. The welding device for precision machining of electromechanical components according to claim 1, characterized in that, The surface of the argon arc welding machine body (1) is connected to a connecting pipe (4), which is fixedly connected to the surface of the welding torch (201). A tungsten electrode rod (5) is detachably installed on the inner wall of the welding torch (201).

8. A welding device for machining precision components of electromechanical equipment according to claim 2, characterized in that, The surface of the welding torch (201) is fixedly provided with a second connecting plate (303), and the surface of the fixed cylinder (301) is fixedly provided on the surface of the second connecting plate (303). The inner walls of the second connecting plate (303), the welding torch (201) and the fixed cylinder (301) are rotatably provided with a long shaft (304).

9. A welding device for machining precision components of electromechanical equipment according to claim 8, characterized in that, The long shaft (304) extends to the outside of the fixed cylinder (301). A steering gear (305) is fixedly provided on the surface of the long shaft (304) and the surface of the turntable (306). A swivel blade (307) is installed on the part of the long shaft (304) located in the inner cavity of the welding torch (201). Several identical guide plates (308) are fixedly provided on the inner wall of the welding torch (201). Argon gas entering the welding torch (201) will spiral downward under the action of the guide plate (308). When the gas moves, it will blow the blade (307) to rotate, and then the power can be transmitted to the turntable (306) through the steering gear (305).

10. A welding apparatus for machining precision components of electromechanical equipment according to claim 8, characterized in that, A drive motor (302) is fixedly installed on the inner wall of the fixed cylinder (301), and the gear fixed at the output end of the drive motor (302) meshes with the teeth on the surface of the steering gear (305).

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