Oxygen-free welding device for special-shaped component

Abstract

The utility model relates to the technical field of oxygen-free welding, in particular to a special-shaped component oxygen-free welding device which comprises a working base station, a clamping mechanism and a welding mechanism, the clamping mechanism is arranged on the working base station and used for accurately clamping a special-shaped component, and the welding mechanism is arranged on the working base station and used for welding the special-shaped component. The clamping mechanism comprises a connecting piece and a clamping assembly, the connecting piece is arranged on the working base table and used for placing and aligning the special-shaped components, and the clamping assembly is arranged on the working base table and used for clamping the special-shaped components placed on the connecting piece. According to the purpose, the special-shaped components can be accurately aligned, welding is convenient, and in the welding process, the influence of the outside on a welding part can be reduced by additionally arranging a protection structure, so that the welding quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen-free welding, in particular to an oxygen-free welding device for special-shaped components. Background Art

[0002] At present, most cups on the market are cylindrical in shape, while the cup body with special-shaped structure is small in size, and the eccentric design mold mechanism cannot be made or the mold strength is not enough, so it is difficult to achieve mass production. In addition, the length, width and flatness ratio of the cup body is too large, and the conventional bulging process cannot meet the size and appearance requirements. The expansion ratio is too large, and the shoulder and mouth shapes are different, one is round and the other is oval and flat, and the rolling bead cannot be smoothly realized. Therefore, in the processing of the special-shaped cup body, the welding process is used to realize the connection between the cup body and other components, and through welding, metal connections of different materials can be achieved, making the special-shaped cup body more beautiful and practical.

[0003] When welding metals of different materials, differences in structure and chemical composition result in differences in mechanical properties at the weld. Hardness, toughness, plasticity, strength, durability, and high-temperature impact resistance vary at different weld locations. These differences can reduce the service life of the metal and the durability of the surface crystal film during high-temperature welding.

[0004] Oxygen-free welding is a welding method that uses high-temperature heating to weld metal materials together under a protective gas. This method mainly controls the oxygen content so that the oxygen concentration in the welding area reaches an extremely low level, reduces the generation of pollutants, and avoids the occurrence of oxidation, thereby ensuring welding quality and reliability. During the processing of special-shaped thermal insulation containers, more precise matching and positioning are required to ensure the tight connection and sealing between the various components. At present, when the components of special-shaped thermal insulation containers are matched and positioned, they are generally clamped separately by multiple clamps and then infrared calibration is performed to achieve the purpose of precise positioning. However, the method of clamping with multiple clamps and then positioning is relatively cumbersome and inconvenient to operate. In addition, during the welding process, the welding part is not protected and only relies on air blowing for protection. The mechanical properties of the welding position are easily affected by the outside world, resulting in uneven welding performance, which affects the welding quality. Utility Model Content

[0005] In view of this, the purpose of the present invention is to provide an oxygen-free welding device for special-shaped components, which can not only accurately align special-shaped components and facilitate welding, but also reduce the impact of the outside world on the welding part by adding a protective structure during welding, thereby improving the welding quality.

[0006] The utility model solves the above technical problems through the following technical means:

[0007] An oxygen-free welding device for special-shaped components, comprising a work base, a clamping mechanism, and a welding mechanism. The clamping mechanism is arranged on the work base and is used to precisely clamp the special-shaped components. The welding mechanism is arranged on the work base and is used to weld the special-shaped components.

[0008] The clamping mechanism includes a connecting piece and a clamping assembly. The connecting piece is arranged on a working base and is used to place and align the special-shaped components. The clamping assembly is arranged on the working base and is used to clamp the special-shaped components placed on the connecting piece.

[0009] Furthermore, the clamping assembly includes a first power source, a bidirectional screw and a clamping member. The two ends of the bidirectional screw are respectively rotatably set on the working base. The first power source is set on the working base and is transmission-connected to one end of the bidirectional screw. The clamping member is respectively arranged at the two ends of the bidirectional screw for clamping special-shaped components.

[0010] Furthermore, the clamping member includes a moving block, a clamping arm and a guide rod, the moving block is screwed onto the bidirectional screw rod, the clamping arm is assembled onto the moving block, and the guide rod is arranged on the working base and slides out of the moving block.

[0011] Furthermore, the connecting piece is detachably arranged on the working base and is detachably connected to the special-shaped component.

[0012] Furthermore, the connecting member includes a first connecting rod, a second connecting rod, a second power source and at least two annular parts, the second power source is fixedly set on the working base, the second connecting rod is fixedly connected to the output end of the second power source, one end of the first connecting rod is detachably connected to the free end of the second connecting rod, and the other end is rotatably passed through the working base, each of the annular parts is set on the first connecting rod and has a height difference.

[0013] Furthermore, the annular portion has a U-shaped groove.

[0014] Furthermore, the welding mechanism includes a lifting rod, a mounting seat, a connecting platform, a blowing piece, a welding piece and a protective structure. The lifting rod is arranged on one side of the working base, the mounting seat is fixedly arranged at one end of the lifting rod, the connecting platform is fixedly arranged on the mounting seat, the protective structure is arranged at the bottom of the connecting platform, the air outlet end of the blowing piece corresponds to the outer side of the protective structure, one end of the welding piece is connected to the connecting platform, and the other end extends into the protective structure.

[0015] Furthermore, the protective structure includes a mounting portion, a connecting portion and a protective cover, the mounting portion is slidably connected to the bottom of the connecting platform, the connecting portion is arranged on the mounting portion, and the protective cover is slidably arranged on the connecting portion.

[0016] Furthermore, the protective cover is in sheet form, a fixing portion is provided at the connecting end of the protective cover for forming the protective cover into a whole, an adaptive notch is provided at the bottom of the protective cover, and an elastic member is provided at the top of the protective cover.

[0017] Furthermore, the welding mechanism further includes an image acquisition structure, and a collection end of the image acquisition structure corresponds to the welding position of the special-shaped component.

[0018] The present application adopting the above solution has at least the following beneficial effects:

[0019] 1. In this application, by providing a connector, on the one hand, the special-shaped components can be connected first, which is conducive to improving the accuracy of the alignment of the special-shaped components. In combination with the clamping assembly, the aligned special-shaped components can be clamped, which is convenient for subsequent precise welding. Furthermore, by providing a protective structure, the influence of the outside world on the welding part can be reduced during welding, thereby improving the welding quality. On the other hand, by providing a detachable connector, it is easy to assemble and remove after welding. It can also be rotated during welding, which is convenient for continuous welding.

[0020] 2. In the present application, a protective structure is formed by a mounting portion, a connecting portion and a protective cover, and the welding end of the welded part is extended into the protective cover. On the one hand, welding can be performed on the connection of the special-shaped components inside the protective cover, thereby reducing the impact of the external environment on the welding part and reducing the impact of the arc on the external environment. On the other hand, during welding, inert gas is blown from the outside of the protective cover to the inside to reduce the oxygen and nitrogen content in the protective cover, thereby improving the uniformity of the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention can be further described by way of non-limiting examples given in the accompanying drawings;

[0022] Figure 1 This is one of the structural schematic diagrams of an oxygen-free welding device for special-shaped components in an embodiment of the present application;

[0023] Figure 2 This is the second structural diagram of an oxygen-free welding device for special-shaped components in an embodiment of the present application;

[0024] Figure 3 This is one of the cross-sectional structural schematic diagrams of an oxygen-free welding device for special-shaped components in an embodiment of the present application;

[0025] Figure 4 yes Figure 3 Schematic diagram of the enlarged structure at A in the middle;

[0026] Figure 5 This is a second schematic cross-sectional view of an oxygen-free welding device for special-shaped components according to an embodiment of the present application;

[0027] Figure 6 Schematic diagram of the coordination between the special-shaped component and the protective cover in the embodiment of the present application;

[0028] Description of main symbol components,

[0029] 1. Work base; 11. Work station; 12. Work table; 13. Driving parts;

[0030] 2. Clamping mechanism; 21. Connecting member; 211. First connecting rod; 212. Ring portion; 213. Nut; 214. Second power source; 215. Second connecting rod; 22. Clamping assembly; 221. Bidirectional screw; 222. Moving block; 223. Clamping arm; 224. Guide rod; 225. First power source;

[0031] 3. Welding mechanism; 31. Lifting rod; 32. Mounting seat; 321. First mounting seat; 322. Second mounting seat; 33. Connecting platform; 34. Image acquisition structure; 35. Blowing piece; 36. Welding piece; 37. Protective structure; 371. Sliding rod; 372. Moving seat; 373. First spring; 374. Protrusion; 375. Chassis; 376. Protective cover; 3761. Welding part; 377. Fixing part; 3771. Retaining ring; 3772. Second spring; 3773. Third spring; 100. Special-shaped component; 200. Welding part. DETAILED DESCRIPTION

[0032] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. It should be noted that the illustrations provided in the following embodiments are for illustrative purposes only and are only schematic diagrams, not actual drawings. They should not be understood as limiting the present invention. In order to better illustrate the embodiments of the present invention, some parts in the figures may be omitted, enlarged or reduced, and do not represent the dimensions of the actual product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the figures.

[0033] The same or similar numbers in the figures of the embodiments of the present invention correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc. indicating directions or positional relationships, they are based on the directions or positional relationships shown in the figures. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the figures are only used for illustrative purposes and cannot be understood as limiting the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances. In the description of this application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0034] It should be noted that the illustrations provided in the following embodiments are merely schematic illustrations of the basic concept of the present invention. Therefore, the illustrations only show components related to the present invention and are not drawn according to the number, shape, and size of components in actual implementation. In actual implementation, the type, quantity, and proportion of each component may be changed arbitrarily, and the component layout may also be more complex.

[0035] like Figure 1-6 As shown, an embodiment of the present application discloses an oxygen-free welding device for irregular-shaped components, comprising a work platform 1, a clamping mechanism 2, and a welding mechanism 3. The clamping mechanism 2 is disposed on the work platform 1 and is used to precisely clamp the irregular-shaped component. The welding mechanism 3 is disposed on the work platform 1 and is used to weld the irregular-shaped component. The interaction between the clamping mechanism 2 and the welding mechanism 3 not only enables precise alignment of the irregular-shaped component 100, facilitating welding, but also, during welding, the addition of a protective structure 37 reduces the impact of external factors on the welding portion 200, thereby improving welding quality.

[0036] In some embodiments, as Figure 1-3 As shown, the work platform 1 includes a work station 11 and a work table 12. The work table 12 is placed on the work station 11 for easy operation. A driving member 13 can also be provided at the bottom of the work station 11 for driving the work table 12 to rotate in order to meet different welding requirements.

[0037] In this embodiment, the driving member 13 can be set as a motor, and the output shaft of the motor is fixedly connected to the bottom of the workbench 12, so that when the motor is working, it can drive the workbench 12 to rotate. In actual situations, other driving methods can also be selected to drive the workbench 12 to rotate, such as a belt and a rotating shaft, a gear and a rack, etc.

[0038] In some embodiments, as Figure 1As shown, the clamping mechanism 2 includes a connecting member 21 and a clamping assembly 22. The connecting member 21 is provided on the work base 1 for placing and aligning the special-shaped component 100. The clamping assembly 22 is provided on the work base 1 for clamping the special-shaped component 100 placed on the connecting member 21.

[0039] In some embodiments, as Figure 2-3 As shown, the clamping assembly 22 includes a first power source 225, a bidirectional screw 221, and a clamping member. The two ends of the bidirectional screw 221 are rotatably mounted on one side of the workbench 12. The first power source 225 is bolted to the side of the workbench 12 and is in driving connection with one end of the bidirectional screw 221. The clamping members are arranged at both ends of the bidirectional screw 221. When the first power source 225 is in operation, it drives the bidirectional screw 221 to rotate, thereby moving the two clamping members closer or farther away from each other, thereby clamping or releasing the irregularly shaped component.

[0040] In this embodiment, the two clamping members have the same structure and are respectively located on two threads in different directions of the bidirectional screw rod 221. The following is an example of one of them for explanation as follows: the clamping member includes a moving block 222, a clamping arm 223 and a guide rod 224. The moving block 222 is screwed onto the bidirectional screw rod 221, and the clamping arm 223 is fixedly arranged on the moving block 222, so that when the bidirectional screw rod 221 rotates, it can drive the moving block 222 to move, thereby driving the clamping arm 223 to clamp or move away from the special-shaped component. The guide rod 224 is arranged on the workbench 12 and slides out of the moving block 222 to enable the moving block 222 to move along the bidirectional screw rod 221.

[0041] In this embodiment, the movable block 222 is configured as a sleeve, which helps to reduce the space occupied. The clamping arm 223 can also be connected to the sleeve in a movable manner, that is, one end of the clamping arm 223 is rotatably connected to the sleeve via a pin, so that the clamping arm 223 can maintain a horizontal position when approaching or moving away from the special-shaped component. When it is necessary to remove the welded special-shaped component 100, the clamping arm 223 can be rotated to provide more space for removing the special-shaped component.

[0042] In some embodiments, to further improve the docking accuracy of the special-shaped component 100 and to allow the special-shaped component 100 to be rotated, a connector 21 is provided. The connector 21 is detachably mounted on the workbench 12, with sufficient space between the workbench 12 and the bidirectional screw 221. The connector 21 is detachably connected to the special-shaped component 100, facilitating assembly before welding and removal after welding.

[0043] In this embodiment, if Figure 1-3As shown, the connecting member 21 includes a first connecting rod 211, a second connecting rod 215, a second power source 214, and at least two annular portions 212. The second power source 214 is fixedly mounted on the workbench 12 by bolts. The second connecting rod 215 is fixedly connected to the output end of the second power source 214 by a spline, so that when the second power source 214 is in operation, it can drive the second connecting rod 215 to rotate. One end of the first connecting rod 211 is detachably connected to the free end of the second connecting rod 215, and the other end is rotatably mounted on the workbench 12. Each annular portion 212 is arranged on the first connecting rod 211 and has a height difference to accommodate different sizes of special-shaped components 100. When the second connecting rod 215 rotates, it can drive the first connecting rod 211 to rotate, thereby driving the special-shaped component 100 to rotate, realizing rotational welding of the special-shaped component 100.

[0044] In this embodiment, the first connecting rod 211 and the second connecting rod 215 are detachably connected by means of a bayonet, or by means of bolts or nuts. An appropriate detachable connection method can also be selected according to actual conditions.

[0045] In this embodiment, if Figure 3 and Figure 6 As shown, the connection between two adjacent annular portions 212 is configured to adapt to the shape of the shaped component 100. For example, for an elliptical shaped component 100, the connection can be configured as an arc. By configuring the shape accordingly, the annular portion 212 can fit closely to the inner wall of the shaped component 100, facilitating precise alignment of the shaped component 100.

[0046] To facilitate replacement and tightening of the annular portion 212, a U-shaped groove is provided on the annular portion 212. To further tighten the annular portion 212 to the first connecting rod 211, a nut 213 can be screwed onto the first connecting rod 211. In this case, the annular portion 212 can be first fixed to the first connecting rod 211 via the nut 213, and then the special-shaped component 100 can be sleeved on the annular portion 212 to preliminarily align the special-shaped component 100. The first connecting rod 211 and the second connecting rod 215 are then connected, and one end of the first connecting rod 211 is extended out of the workbench 12. At this time, during the welding process, the operation of the second power source 214 can drive the first connecting rod 211 and the second connecting rod 215 to rotate, thereby driving the special-shaped component 100 to rotate, thereby achieving continuous oxygen-free welding.

[0047] In this embodiment, to ensure sufficient friction between the annular portion 212 and the inner wall of the special-shaped component 100 without affecting the dimensional accuracy of the special-shaped component, the annular portion 212 can be configured as an elastomer, such as high-temperature resistant rubber, high-temperature resistant plastic, high-temperature resistant polyester, etc., and a suitable material can be selected based on actual conditions. When an elastomer is selected, to prevent damage to the annular portion 212 during oxygen-free welding, a high-temperature resistant sheet, such as a high-temperature resistant steel plate or graphite plate, can be placed at the welding position of the annular portion 212. A suitable sheet can be selected based on actual conditions.

[0048] In this embodiment, the first power source 225 and the second power source 214 are configured as motors, and suitable driving devices may be selected according to actual conditions.

[0049] In some embodiments, as Figure 1-2 As shown, the welding mechanism 3 includes a lifting rod 31, a mounting seat 32, a connecting platform 33, a blowing piece 35, a welding piece 36 and a protective structure 37. The lifting rod 31 is arranged on one side of the workbench 12, the mounting seat 32 is fixedly arranged on the top of the lifting rod 31, and the connecting platform 33 is fixedly arranged on the mounting seat 32 to provide an installation base for the protective structure 37. The protective structure 37 is arranged at the bottom of the connecting platform 33 to provide protection during oxygen-free welding. The air outlet end of the blowing piece 35 corresponds to the outer side of the protective structure 37 and is used to blow inert gas during the welding process. One end of the welding piece 36 is connected to the connecting platform 33, and the other end extends into the protective structure 37 to achieve welding. Through the operation of the lifting rod 31, the connecting platform 33, the blowing piece 35, the welding piece 36 and the protective structure 37 can be driven to rise and fall, thereby realizing the welding of components of different sizes and shapes.

[0050] In this embodiment, the mounting base 32 includes a first mounting base 321 and a second mounting base 322. The first mounting base 321 is fixedly mounted on the top of the lifting rod 31, and the second mounting base 322 is fixedly mounted on the first mounting base 321 via bolts. The second mounting base 322 is arranged in a "cross" shape to form a larger welding space. In another embodiment, the second mounting base 322 can be slidably mounted on the first mounting base 321 via a slide rail, and the position of the second mounting base 322 on the first mounting base 321 is controlled by a telescopic device such as a cylinder to achieve adjustable position of the second mounting base 322, thereby achieving adjustable welding position.

[0051] In this embodiment, if Figure 4-5As shown, the protective structure 37 includes a mounting portion, a connecting portion, and a protective cover 376. The mounting portion is slidably connected to the bottom of the connecting platform 33 to provide a cushion for the connecting portion and the protective cover 376. The connecting portion is mounted on the mounting portion to provide a mounting base for the protective cover 376. The protective cover 376 is slidably mounted on the connecting portion to cover the welding area 200 and provide protection.

[0052] In this embodiment, the mounting portion includes a movable seat 372, a sliding rod 371 and a first spring 373. The movable seat 372 is fixedly connected to the sliding rod 371. One end of the sliding rod 371 slides into the bottom of the connecting platform 33. The first spring 373 is sleeved on the sliding rod 371. One end of the first spring 373 is fixedly connected to the movable seat 372, and the other end is fixedly connected to the bottom of the connecting platform 33, so that the mounting portion can move relative to the connecting platform 33.

[0053] In this embodiment, the connecting portion has a protrusion 374 and a chassis 375, the protrusion 374 and the chassis 375 are fixedly connected, the bottom of the movable seat 372 has a groove, the protrusion 374 is inserted into the groove, and the connecting portion is stably installed on the mounting portion.

[0054] In this embodiment, the protective cover 376 is sheet-shaped, with a spiral groove formed in the base 375. The upper end of the protective cover 376 passes through the spiral groove and extends out of the base 375, allowing the protective cover 376 to move on the base 375, thereby enhancing adaptability. Furthermore, the spiral shape increases the contact area between the bottom of the protective cover 376 and the special-shaped component 100, facilitating assembly of the weld end of the weldment 36. Of course, the protective cover 376 can also be directly cylindrical or trumpet-shaped, depending on the actual situation.

[0055] The protective cover 376 has a fixing portion 377 on the upper portion of the chassis 375. The fixing portion 377 is fixed to the top of the protective cover 376 via bolts. An elastic member, configured as a second spring 3772, is disposed between the bottom of the fixing portion 377 and the chassis 375 to further enhance the adaptability of the protective cover 376. When the protective cover 376 is formed into a spiral shape, since there is a gap at the connection between the two ends of the sheet, it can be first welded to form a weld 3761, thereby connecting the two ends. In this case, the protective cover 376 is provided with a retaining ring 3771 on the outside of the chassis 375 to enhance the performance of the protective cover 376. In this case, a third spring 3773 can also be disposed between the retaining ring 3771 and the fixing portion 377.

[0056] In this embodiment, the bottom of the protective cover 376 is provided with an adaptive notch that adapts to the outer wall shape of the special-shaped component 100. This allows the bottom of the protective cover 376 to shield the weld area 200, reducing the impact of the external environment on the weld area 200 and also reducing the impact of the arc on the external environment. One end of the blowing member 35 is connected to an external argon gas source via a pipe, and the other end is located at the bottom of the protective cover 376. This allows argon gas to be blown through the gap between the protective cover 376 and the special-shaped component 100, expelling oxygen and nitrogen from the protective cover 376, thereby preventing the presence of large amounts of nitrogen, oxygen, and other elements in the weld and improving the uniformity of the welding performance.

[0057] In this embodiment, the welding end of weldment 36 extends into protective shield 376, corresponding to welding portion 200, to achieve welding. Laser welding of the welding end, combined with protective shield 376 and argon gas, prolongs the existence of the molten pool, promotes a more complete metallurgical reaction, and reduces the effects of external airflow, oxygen, and nitrogen, thereby achieving more uniform welding performance and improving weld quality.

[0058] In this embodiment, the welding mechanism 3 also includes an image acquisition structure 34, which is mounted on the second mounting seat 322 through a bracket. The acquisition end corresponds to the welding part 200 of the special-shaped component 100 to capture images after welding, which is convenient for repair welding, analysis of welding quality, etc., thereby making the welding operation more intelligent.

[0059] The above describes in detail the oxygen-free welding device for special-shaped components provided by this application. The description of the specific embodiments is intended only to facilitate understanding of the method and core concepts of this application. It should be noted that those skilled in the art may make various improvements and modifications to this application without departing from the principles of this application, and such improvements and modifications fall within the scope of protection of the claims of this utility model.

[0060] It should be noted that phrases such as "one embodiment," "an embodiment," "some optional embodiments," "exemplary embodiments," and "some embodiments" mentioned in this specification indicate that the described embodiment may include a particular feature, structure, or characteristic, but not necessarily every embodiment includes that particular feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such feature, structure, or characteristic in conjunction with other embodiments, whether explicitly described or not.

[0061] The above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and such modifications or equivalent substitutions shall be encompassed by the claims of the present invention. The techniques, shapes, and structural portions not described in detail in the present invention are well known.

Claims

1. An oxygen-free welding device for special-shaped components, characterized in that: The invention comprises a working base (1), a clamping mechanism (2) and a welding mechanism (3), wherein the clamping mechanism (2) is arranged on the working base (1) and is used for accurately clamping the special-shaped component, and the welding mechanism (3) is arranged on the working base (1) and is used for welding the special-shaped component; The clamping mechanism (2) comprises a connecting member (21) and a clamping assembly (22); the connecting member (21) is arranged on a working base (1) and is used to place and align a special-shaped component (100); and the clamping assembly (22) is arranged on the working base (1) and is used to clamp the special-shaped component (100) placed on the connecting member (21).

2. The oxygen-free welding device for special-shaped components according to claim 1, characterized in that: The clamping assembly (22) comprises a first power source (225), a bidirectional screw rod (221) and a clamping member. The two ends of the bidirectional screw rod (221) are respectively rotatably arranged on the working base (1). The first power source (225) is arranged on the working base (1) and is transmission-connected to one end of the bidirectional screw rod (221). The clamping members are respectively arranged at the two ends of the bidirectional screw rod (221) and are used to clamp special-shaped components.

3. The oxygen-free welding device for special-shaped components according to claim 2, characterized in that: The clamping member comprises a moving block (222), a clamping arm (223) and a guide rod (224); the moving block (222) is screwed onto a bidirectional screw rod (221); the clamping arm (223) is assembled onto the moving block (222); and the guide rod (224) is arranged on a working base (1) and slides out of the moving block (222).

4. The oxygen-free welding device for special-shaped components according to claim 1, characterized in that: The connecting piece (21) is detachably arranged on the working base (1) and is detachably connected to the special-shaped component (100).

5. The oxygen-free welding device for special-shaped components according to claim 4, characterized in that: The connecting member (21) includes a first connecting rod (211), a second connecting rod (215), a second power source (214) and at least two annular portions (212); the second power source (214) is fixedly arranged on the working base (1); the second connecting rod (215) is fixedly connected to the output end of the second power source (214); one end of the first connecting rod (211) is detachably connected to the free end of the second connecting rod (215); the other end is rotatably passed through the working base (1); each annular portion (212) is arranged on the first connecting rod (211) and has a height difference.

6. The oxygen-free welding device for special-shaped components according to claim 5, characterized in that: The annular portion (212) has a U-shaped groove.

7. The oxygen-free welding device for special-shaped components according to claim 1, characterized in that: The welding mechanism (3) comprises a lifting rod (31), a mounting seat (32), a connecting platform (33), a blowing piece (35), a welding piece (36) and a protective structure (37); the lifting rod (31) is arranged on one side of the working base (1); the mounting seat (32) is fixedly arranged on one end of the lifting rod (31); the connecting platform (33) is fixedly arranged on the mounting seat (32); the protective structure (37) is arranged at the bottom of the connecting platform (33); the air outlet end of the blowing piece (35) corresponds to the outer side of the protective structure (37); one end of the welding piece (36) is connected to the connecting platform (33), and the other end extends into the protective structure (37).

8. The oxygen-free welding device for special-shaped components according to claim 7, characterized in that: The protective structure (37) comprises a mounting portion, a connecting portion and a protective cover (376), wherein the mounting portion is slidably connected to the bottom of the connecting platform (33), the connecting portion is arranged on the mounting portion, and the protective cover (376) is slidably arranged on the connecting portion.

9. The oxygen-free welding device for special-shaped components according to claim 8, characterized in that: The protective cover (376) is in sheet form, and a fixing portion (377) is provided at the connecting end of the protective cover (376) for forming the protective cover (376) into a whole. An adaptive notch is provided at the bottom of the protective cover (376), and an elastic member is provided at the top of the protective cover (376).

10. The oxygen-free welding device for special-shaped components according to claim 7, characterized in that: The welding mechanism (3) further comprises an image acquisition structure (34), wherein an acquisition end of the image acquisition structure (34) corresponds to a welding position (200) of the special-shaped component (100).

Images