Atmosphere protected induction welding device
Patent Information
- Application Number
- CN202611242030.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-08-17
- Publication Date
- 2026-10-13
AI Technical Summary
然而，由于不同类型及材质的工件所需保护气体均不相同，传统技术中的焊接装置在应用过程中，难以快速的根据工件材质及类型切换对应的气体，极大的影响了整体的焊接效率
该气氛保护感应焊接装置，通过供气组件的结构配合，能够在不影响多个气罐并列设置的情况下，借助调节盘的转动，快速的实现不同保护气体的切换，以此适应于不同类型工件的加工，确保工件的焊接效果及效率。
Smart Images
Figure CN122895669A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of induction welding technology, specifically an atmosphere-protected induction welding apparatus. Background Technology
[0002] Atmosphere-protected induction welding is a special welding process that combines the rapid local heating characteristics of electromagnetic induction with an anti-oxidation mechanism. It uses a high-frequency induction coil to precisely generate eddy current heat in the area to be welded, which rapidly heats up and melts the base material or pre-placed filler metal at the interface. At the same time, under the complete isolation of high-purity protective gases such as argon, oxidation of the high-temperature weld surface is completely avoided. No additional flux is required throughout the process, and a precise connection can be completed in a uniform and controllable heating environment. This process retains the advantages of induction welding, such as fast heating speed, precise local temperature control, and easy automation, while solving the problems of easy oxidation and weld defects in induction welding under ordinary air environment. The welded workpiece has small deformation and high joint strength, making it particularly suitable for welding components with strict requirements for weld cleanliness and mechanical properties, such as aerospace titanium alloy pipelines, power battery terminals, and precision cutting tools. However, since different types and materials of workpieces require different protective gases, traditional welding equipment cannot quickly switch the corresponding gas according to the material and type of the workpiece during application, which greatly affects the overall welding efficiency.
[0003] To address these issues, the present invention provides an atmosphere-protected induction welding apparatus. Summary of the Invention
[0004] To address the shortcomings of existing technologies, this invention provides an atmosphere-protected induction welding apparatus that solves the aforementioned problems.
[0005] To achieve the above objectives, the present invention provides the following technical solution: an atmosphere-protected induction welding apparatus, comprising: A support plate, the top of which is fixedly connected to a support frame, the support frame being provided with welding components and an electric push rod, the output end of which is fixedly connected to an air distribution hood; A tray is fixedly connected to the top of a support plate. Multiple gas cylinders are provided on the tray, and each gas cylinder has an outlet pipe fixedly connected to its top. A gas supply assembly is mounted on the top of the support frame. Before welding, the gas supply assembly draws gas from a gas tank that is compatible with the type of workpiece and supplies it to the gas distribution hood to provide protection during welding. A loading assembly, which is mounted on a pallet, is used to form a stop clamp for the gas tank after the gas tank is placed, and simultaneously connects the outlet pipe and the gas supply assembly.
[0006] Preferably, the loading component includes: The mounting plate is fixedly connected to one side of the support frame. The end of the mounting plate away from the support frame is fixedly connected to a loading shell. The bottom edge of the loading shell is fixedly connected to an air guide pipe that corresponds to the outlet pipe. A central shaft is rotatably connected inside the loading housing. A drive motor is fixedly connected to the bottom end of the loading housing, and the output end of the drive motor is also fixedly connected to the central shaft. An adjustment disc is fixedly connected to the middle of the central shaft, and an air passage hole is opened on the edge of the adjustment disc. An adjusting cover is fixedly connected to the top of the central shaft. A transmission pipe corresponding to the air passage hole is fixedly connected to the top of the adjusting cover. When the air passage hole corresponds to any air guide pipe, a gas flow channel is formed between the air guide pipe, the air passage hole and the transmission pipe. An air pump is fixedly connected to the top of the mounting plate. The input end of the air pump is fixedly connected to a transmission pipe, and the end of the transmission pipe away from the adjustment cover is rotatably connected to the transmission pipe. The output end of the air pump is fixedly connected to a three-way pipe, and both ends of the three-way pipe are fixedly connected to a diverter pipe. The end of the diverter pipe away from the three-way pipe is also connected to the air distribution hood.
[0007] Preferably, the loading component includes: The upright is fixedly connected to one side of the support plate. Displacement frames are slidably connected to both sides of the upright. A stabilizing frame is fixedly connected to the end of the displacement frame away from the upright. A guide plate is fixedly connected to the side of the two displacement frames that are close to each other. A guide groove is inclinedly opened in the middle of the guide plate. The mounting frame is fixedly connected to the top of the upright frame. A support cylinder is fixedly connected to the middle of the mounting frame, and the support cylinder is located between the outlet pipe and the air guide pipe. Displacement pipes are slidably connected to both ends inside the support cylinder. An assembly plate is fixedly connected to one end of the displacement pipe outside the support cylinder. A plug ring is fixedly connected to the edge of the assembly plate. Locking plates are fixedly connected to the ends of the air guide pipe and the outlet pipe that are close to each other, and the plug ring is also snapped into the inside of the locking plate. Two push rods are rotatably connected to the bottom ends of two assembly plates respectively. An extension frame is fixedly connected to the bottom of the support cylinder. A displacement rod is vertically slidably connected to the middle of the extension frame. A push plate is fixedly connected to the top of the displacement rod. The ends of the two push rods away from the assembly plates are rotatably connected to the two ends of the push plate respectively. A transmission assembly is mounted on the upright and is used to provide displacement power to the displacement frame and displacement rod.
[0008] Preferably, the transmission assembly includes: A transmission frame is fixedly connected to one side of the upright frame, and a transmission screw is rotatably connected to the inner side of the transmission frame. A displacement plate is threaded onto the transmission screw. An adjustment frame is fixedly connected to the top of a displacement plate. Guide rods are fixedly connected to both sides of the adjustment frame, and the two guide rods are movably connected inside two guide slots. The top of the adjustment frame is also fixedly connected to a displacement rod.
[0009] Preferably, the welding component is an induction coil, a cylinder is fixedly connected to the middle of the support frame, and the induction coil is fixedly connected to the output end of the cylinder.
[0010] Preferably, a rotary joint is provided at the connection between the transmission pipe and the transfer pipe, and the transmission pipe and the transfer pipe are connected by the rotary joint.
[0011] Preferably, the upright frame has sliding grooves on both sides, and the displacement frame is fixedly connected to a sliding strip, which is also slidably connected inside the sliding groove.
[0012] Preferably, a support frame is fixedly connected to the top of the upright, and the end of the air duct away from the loading shell is also fixedly connected to the support frame.
[0013] Preferably, a sealing groove is provided on the outer side of the displacement tube, and a sealing ring is fixedly connected inside the sealing groove.
[0014] Preferably, the edge of the locking disc has a receiving groove, and the insertion ring is snapped into the inside of the receiving groove.
[0015] Beneficial effects This invention provides an atmosphere-protected induction welding apparatus. Compared with the prior art, it has the following advantages: This atmosphere-protected induction welding device, through the structural coordination of the gas supply components, can quickly switch between different protective gases by means of the rotation of the regulating disc without affecting the parallel arrangement of multiple gas cylinders. This adapts to the processing of different types of workpieces, ensuring the welding effect and efficiency of the workpieces.
[0016] This atmosphere-protected induction welding device, through the structural coordination of the loading components, can form an anti-tipping support for the gas tank, as well as an airflow channel between the outlet pipe, the gas guide pipe and the support cylinder, which greatly shortens the assembly time of the gas tank and makes the whole process more convenient. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a side view of the present invention; Figure 3This is a schematic diagram of the welding assembly of the present invention; Figure 4 This is a schematic diagram of the gas supply component of the present invention; Figure 5 This is a schematic diagram of the internal structure of the loading housing of the present invention; Figure 6 This is a schematic diagram of the structure of the loading component of the present invention; Figure 7 This is a schematic diagram of the assembly structure of the stabilization frame of the present invention; Figure 8 This is a schematic diagram of the separation structure of the support cylinder and the displacement tube of the present invention; Figure 9 This is a schematic diagram of the assembly structure of the guide rod of the present invention.
[0018] In the diagram: 1. Support plate; 2. Support frame; 3. Welding assembly; 4. Electric push rod; 5. Gas distribution hood; 6. Pallet; 7. Gas tank; 8. Outlet pipe; 9. Gas supply assembly; 10. Loading assembly; 11. Mounting plate; 12. Loading shell; 13. Air guide pipe; 14. Central shaft; 15. Drive motor; 16. Adjusting disc; 17. Air passage hole; 18. Adjusting cover; 19. Transmission pipe; 20. Air pump; 21. Transfer pipe; 22. T-connector; 23. Diverter pipe; 2 4. Upright frame; 25. Displacement frame; 26. Stabilizing frame; 27. Guide plate; 28. Guide slot; 29. Mounting frame; 30. Support cylinder; 31. Displacement tube; 32. Assembly plate; 33. Insert ring; 34. Push rod; 35. Extension frame; 36. Displacement rod; 37. Push plate; 38. Locking plate; 39. Transmission frame; 40. Transmission screw; 41. Displacement plate; 42. Adjustment frame; 43. Guide rod; 44. Cylinder; 45. Induction coil; 46. Settling platform. Detailed Implementation
[0019] 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.
[0020] Example 1: Please see Figure 1-9 An atmosphere-protected induction welding apparatus, comprising: Support plate 1, support frame 2 is fixedly connected to the top of support plate 1, support frame 2 is provided with welding assembly 3 and electric push rod 4, and air distribution cover 5 is fixedly connected to the output end of electric push rod 4; Please refer to Figure 3In this embodiment, the welding component 3 is an induction coil 45, and a cylinder 44 is fixedly connected to the middle of the support frame 2. The induction coil 45 is fixedly connected to the output end of the cylinder 44. Please refer to Figure 3 In this embodiment, a settling platform 46 is provided at the top of the support plate 1, and a clamp can be provided on the settling platform 46 for clamping the workpiece to be welded. The support plate 6 is fixedly connected to the top of the support plate 1. Multiple gas cylinders 7 are provided on the support plate 6, and each gas cylinder 7 has an outlet pipe 8 fixedly connected to its top. Please refer to Figure 3 In this embodiment, the top of the pallet 6 is provided with multiple placement slots. By setting the placement slots, when the gas tank 7 is placed inside the placement slots, the gas tank 7 can be pre-limited by the placement slots, and the gas tank 7 can accurately reach the position to be clamped. Gas supply component 9 is mounted on the top of support frame 2. Before welding, gas is drawn from gas tank 7 that is compatible with the type of workpiece and supplied to gas distribution hood 5 to form protection during welding. Loading assembly 10 is mounted on pallet 6. After the gas tank 7 is placed, loading assembly 10 is used to form a stop clamp for the gas tank 7 and simultaneously connect outlet pipe 8 and gas supply assembly 9. In this embodiment, the gas stored inside each gas tank 7 is different; the gas can be an inert gas, a non-reactive gas, or a reactive mixture of gases. Please refer to Figure 5 In this embodiment, the loading component 10 includes: Mounting plate 11 is fixedly connected to one side of support frame 2. The end of mounting plate 11 away from support frame 2 is fixedly connected to loading housing 12. The bottom edge of loading housing 12 is fixedly connected to air guide pipe 13 corresponding to outlet pipe 8. A central shaft 14 is rotatably connected inside the loading housing 12. A drive motor 15 is fixedly connected to the bottom end of the loading housing 12, and the output end of the drive motor 15 is also fixedly connected to the central shaft 14. An adjustment disc 16 is fixedly connected to the middle of the central shaft 14, and an air passage hole 17 is opened on the edge of the adjustment disc 16. Adjustment cover 18 is fixedly connected to the top end of central shaft 14. The top end of adjustment cover 18 is fixedly connected to transmission pipe 19 corresponding to air passage hole 17. When air passage hole 17 corresponds to any air guide pipe 13, a gas flow channel is formed between air guide pipe 13, air passage hole 17 and transmission pipe 19. Air pump 20 is fixedly connected to the top of mounting plate 11. The input end of air pump 20 is fixedly connected to transmission pipe 21, and the end of transmission pipe 19 away from adjustment cover 18 is rotatably connected to transmission pipe 21. The output end of air pump 20 is fixedly connected to three-way pipe 22. Both ends of three-way pipe 22 are fixedly connected to diverter pipe 23, and the end of diverter pipe 23 away from three-way pipe 22 is connected to air distribution cover 5. Please refer to Figure 4 In this embodiment, a rotary joint is provided at the connection between the transmission pipe 19 and the transmission pipe 21. The transmission pipe 19 and the transmission pipe 21 are connected by the rotary joint. By providing the rotary joint, motion interference between the transmission pipe 19 and the transmission pipe 21 can be avoided when the transmission pipe 19 rotates with the adjustment cover 18. In order to avoid the presence of the diversion pipe 23 affecting the vertical adjustment of the air distribution hood 5, in this embodiment, the diversion pipe 23 is made of flexible material. Please refer to Figure 7 In this embodiment, the loading component 10 includes: The upright frame 24 is fixedly connected to one side of the support plate 6. The upright frame 24 is slidably connected to both sides of the upright frame 24. The end of the displacement frame 25 away from the upright frame 24 is fixedly connected to the stabilizing frame 26. The side of the two displacement frames 25 that are close to each other is fixedly connected to the guide plate 27. The guide plate 27 has a guide groove 28 inclinedly opened in the middle. In this embodiment, sliding grooves are provided on both sides of the upright frame 24, and a sliding strip is fixedly connected to the displacement frame 25. The sliding strip is also slidably connected inside the sliding groove. Through the structural cooperation of the sliding strip and the sliding groove, the displacement of the displacement frame 25 can be effectively guided, avoiding uncontrollable displacement of the displacement frame 25 and greatly ensuring the stability of the displacement frame 25 during displacement. In this embodiment, the cross-sectional shape of both the groove and the slide bar can be I-shaped; Please refer to Figure 7 In this embodiment, the stabilizing frame 26 is arc-shaped. Due to the shape characteristics of the stabilizing frame 26, as the stabilizing frame 26 approaches the gas tank 7, it can make greater contact with the surface of the gas tank 7, thereby effectively clamping the gas tank 7 and preventing the gas tank 7 from tipping over during use. Please refer to Figure 9 In this embodiment, a support frame is fixedly connected to the top of the stand 24, and the end of the air guide pipe 13 away from the loading housing 12 is also fixedly connected to the support frame. By setting the support frame, the end of the air guide pipe 13 away from the loading housing 12 can be supported, so as to prevent the air guide pipe 13 from shaking when the gas flows inside the air guide pipe 13, which greatly ensures the stability of the air guide pipe 13 during application. The mounting frame 29 is fixedly connected to the top of the upright frame 24. A support cylinder 30 is fixedly connected to the middle of the mounting frame 29, and the support cylinder 30 is located between the outlet pipe 8 and the air guide pipe 13. Displacement pipes 31 are slidably connected to both ends inside the support cylinder 30. An assembly plate 32 is fixedly connected to one end of the displacement pipe 31 outside the support cylinder 30. An insert ring 33 is fixedly connected to the edge of the assembly plate 32. Locking plates 38 are fixedly connected to the ends of the air guide pipe 13 and the outlet pipe 8 that are close to each other, and the insert ring 33 is also snapped into the inside of the locking plate 38. Please refer to Figure 8 In this embodiment, a sealing groove is provided on the outer side of the displacement tube 31, and a sealing ring is fixedly connected inside the sealing groove. The sealing ring can be made of rubber. By setting the sealing ring, after the displacement tube 31 has been displaced, the elastic deformation of the sealing ring can be used to seal the gap between the displacement tube 31 and the support cylinder 30, so as to prevent the gas inside the support cylinder 30 from being discharged from the gap between the support cylinder 30 and the displacement tube 31. Please refer to Figure 5 In this embodiment, the edge of the locking disc 38 is provided with a receiving groove, and the insert ring 33 is snapped into the inside of the receiving groove. A rubber ring is fixedly connected to the outside of the insert ring 33. With the setting of the receiving groove, when the assembly disc 32 approaches the locking disc 38, the insert ring 33 can be inserted into the inside of the receiving groove. The rubber ring and the insert ring 33 can be used to seal the connection gap between the assembly disc 32 and the locking disc 38, and prevent gas from being discharged from the gap between the assembly disc 32 and the locking disc 38. Two push rods 34 are rotatably connected to the bottom ends of two assembly plates 32 respectively. An extension frame 35 is fixedly connected to the bottom of the support cylinder 30. A displacement rod 36 is vertically slidably connected to the middle of the extension frame 35. A push plate 37 is fixedly connected to the top of the displacement rod 36. The ends of the two push rods 34 away from the assembly plate 32 are rotatably connected to the two ends of the push plate 37 respectively. Please refer to Figure 8 In this embodiment, the top of the transfer tube 21 and both ends of the push plate 37 are provided with a rotating shaft, and the end of the push rod 34 is provided on the corresponding rotating shaft, so as to effectively support the push rod 34 with the help of the rotating shaft, and ensure the connection effect of the push rod 34 between the push plate 37 and the assembly plate 32.
[0021] The transmission assembly is mounted on the upright 24 and is used to provide displacement power to the displacement frame 25 and the displacement rod 36.
[0022] Example 2: Please see Figure 2-5 This embodiment provides a technical solution based on Embodiment 1: the transmission assembly includes: The transmission frame 39 is fixedly connected to one side of the upright frame 24. The inner side of the transmission frame 39 is rotatably connected to the transmission screw 40, and the transmission screw 40 is threadedly connected to the displacement plate 41. Please refer to Figure 9 In this embodiment, a turntable is rotatably connected to the bottom end of the transmission frame 39, and the turntable is also fixedly connected to the transmission screw 40. The turntable allows personnel to easily rotate the transmission screw 40, thereby ensuring the transmission efficiency of the transmission screw 40.
[0023] An adjusting frame 42 is fixedly connected to the top of the displacement plate 41. Guide rods 43 are fixedly connected to both sides of the adjusting frame 42, and the two guide rods 43 are movably connected to the inside of the two guide slots 28 respectively. The top of the adjusting frame 42 is also fixedly connected to the displacement rod 36.
[0024] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.
[0025] Working principle: First, the workpiece to be welded is supported by the placement table 46. Then, the cylinder 44 is started to push the induction coil 45 down until the induction coil 45 reaches the welding area of the workpiece. Then, the electric push rod 4 is started to push the air distribution hood 5 down until the air distribution hood 5 reaches the appropriate height. The drive motor 15 is started to drive the central shaft 14 to rotate. As the adjusting plate 16 rotates with the central shaft 14, the position of the air passage 17 can be changed until the air passage 17 reaches the air guide pipe 13 that is compatible with the gas of the workpiece material. This forms a gas flow channel between the air guide pipe 13, the air passage 17 and the transmission pipe 19. Subsequently, the air pump 20 is started to export the gas in the corresponding air tank 7 through the outlet pipe 8. The gas then enters the three-way pipe 22 through the gas flow channel between the air guide pipe 13, the air passage 17 and the transmission pipe 19. Finally, the gas is injected into the air distribution cover 5 through the diversion pipe 23 to distribute the gas on the workpiece and protect it. When the gas in the gas tank 7 is consumed, the transmission screw 40 is rotated to drive the displacement plate 41 to adjust along the transmission screw 40, thereby changing the position of the adjustment frame 42. Since the guide rod 43 is connected inside the guide groove 28, when the position of the guide rod 43 changes, the displacement frame 25 can be moved accordingly by adjusting the guide rod 43 inside the guide groove 28, thereby driving the stabilization frame 26 away from the gas tank 7 and releasing the clamping of the gas tank 7. Furthermore, the displacement rod 36 is connected to the adjustment frame 42, allowing the displacement rod 36 to adjust synchronously with the adjustment frame 42. Since the push rod 34 is connected between the push plate 37 and the assembly plate 32, when the position of the push plate 37 changes, the push rod 34 can drive the assembly plate 32 to move. When the assembly plate 32 separates from the locking plate 38, the connection with the outlet pipe 8 can be released. Then, the gas tank 7 can be removed from the support plate 6 and replaced.
[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only 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 process, method, article, or apparatus.
[0027] 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. An atmosphere-protected induction welding apparatus, characterized in that: include: Support plate (1), the top of the support plate (1) is fixedly connected to a support frame (2), the support frame (2) is provided with a welding assembly (3) and an electric push rod (4), and the output end of the electric push rod (4) is fixedly connected to an air distribution hood (5). The tray (6) is fixedly connected to the top of the support plate (1). Multiple gas cylinders (7) are provided on the tray (6), and each gas cylinder (7) is fixedly connected to the top of its outlet pipe (8). Gas supply component (9) is mounted on the top of the support frame (2). Before welding, the gas supply component (9) draws gas from the gas tank (7) that is compatible with the type of workpiece and supplies it to the gas distribution hood (5) to form protection during welding. Loading assembly (10), which is mounted on pallet (6), is used to form a stop clamp for the gas tank (7) after the gas tank (7) is placed and simultaneously connects the outlet pipe (8) and the gas supply assembly (9).
2. The atmosphere-protected induction welding apparatus according to claim 1, characterized in that: The loading component (10) includes: Mounting plate (11) is fixedly connected to one side of support frame (2). The end of mounting plate (11) away from support frame (2) is fixedly connected to loading shell (12). The bottom edge of loading shell (12) is fixedly connected to air guide pipe (13) corresponding to outlet pipe (8). A central shaft (14) is rotatably connected inside the loading housing (12). A drive motor (15) is fixedly connected to the bottom end of the loading housing (12), and the output end of the drive motor (15) is also fixedly connected to the central shaft (14). An adjustment disc (16) is fixedly connected to the middle of the central shaft (14), and an air passage hole (17) is opened on the edge of the adjustment disc (16). Adjustment cover (18), the adjustment cover (18) is fixedly connected to the top end of the central shaft (14), and the top end of the adjustment cover (18) is fixedly connected to a transmission pipe (19) corresponding to the air passage (17). When the air passage (17) corresponds to any one of the air guide pipes (13), a gas flow channel is formed between the air guide pipe (13), the air passage (17) and the transmission pipe (19). An air pump (20) is fixedly connected to the top of the mounting plate (11). The input end of the air pump (20) is fixedly connected to a transmission pipe (21), and the end of the transmission pipe (19) away from the adjustment cover (18) is also rotatably connected to the transmission pipe (21). The output end of the air pump (20) is fixedly connected to a three-way pipe (22), and both ends of the three-way pipe (22) are fixedly connected to a diverter pipe (23). The end of the diverter pipe (23) away from the three-way pipe (22) is also connected to the air distribution cover (5).
3. The atmosphere-protected induction welding apparatus according to claim 2, characterized in that: The loading component (10) includes: The upright (24) is fixedly connected to one side of the support plate (6). The upright (24) is slidably connected to both sides of the upright (24). The end of the displacement frame (25) away from the upright (24) is fixedly connected to the stabilizing frame (26). The two displacement frames (25) are fixedly connected to the side that is close to each other. The middle part of the guide plate (27) is inclinedly provided with a guide groove (28). A mounting frame (29) is fixedly connected to the top of the upright frame (24). A support cylinder (30) is fixedly connected to the middle of the mounting frame (29). The support cylinder (30) is located between the outlet pipe (8) and the air guide pipe (13). Displacement pipes (31) are slidably connected to both ends inside the support cylinder (30). An assembly plate (32) is fixedly connected to one end of the displacement pipe (31) outside the support cylinder (30). A plug ring (33) is fixedly connected to the edge of the assembly plate (32). A locking plate (38) is fixedly connected to one end of the air guide pipe (13) and the outlet pipe (8) that are close to each other. The plug ring (33) is also snapped into the inside of the locking plate (38). Two push rods (34) are rotatably connected to the bottom ends of two assembly plates (32), and an extension frame (35) is fixedly connected to the bottom of the support cylinder (30). A displacement rod (36) is vertically slidably connected to the middle of the extension frame (35), and a push plate (37) is fixedly connected to the top of the displacement rod (36). The ends of the two push rods (34) away from the assembly plate (32) are rotatably connected to the two ends of the push plate (37). A transmission assembly is mounted on the upright (24) and is used to provide displacement power to the displacement frame (25) and displacement rod (36).
4. The atmosphere-protected induction welding apparatus according to claim 3, characterized in that: The transmission assembly includes: A transmission frame (39) is fixedly connected to one side of the upright frame (24). A transmission screw (40) is rotatably connected to the inner side of the transmission frame (39). A displacement plate (41) is threaded onto the transmission screw (40). An adjustment frame (42) is fixedly connected to the top of a displacement plate (41). Guide rods (43) are fixedly connected to both sides of the adjustment frame (42), and the two guide rods (43) are movably connected to the inside of two guide slots (28). The top of the adjustment frame (42) is also fixedly connected to a displacement rod (36).
5. The atmosphere-protected induction welding apparatus according to claim 1, characterized in that: The welding assembly (3) is an induction coil (45), and a cylinder (44) is fixedly connected to the middle of the support frame (2). The induction coil (45) is fixedly connected to the output end of the cylinder (44).
6. The atmosphere-protected induction welding apparatus according to claim 2, characterized in that: A rotary joint is provided at the connection between the transmission pipe (19) and the transmission pipe (21), and the transmission pipe (19) and the transmission pipe (21) are connected by the rotary joint.
7. The atmosphere-protected induction welding apparatus according to claim 3, characterized in that: The upright frame (24) has sliding grooves on both sides, and the displacement frame (25) is fixedly connected to a sliding strip, which is also slidably connected inside the sliding groove.
8. The atmosphere-protected induction welding apparatus according to claim 3, characterized in that: The top of the stand (24) is fixedly connected to a support frame, and the end of the air duct (13) away from the loading shell (12) is also fixedly connected to the support frame.
9. The atmosphere-protected induction welding apparatus according to claim 3, characterized in that: A sealing groove is provided on the outer side of the displacement tube (31), and a sealing ring is fixedly connected inside the sealing groove.
10. The atmosphere-protected induction welding apparatus according to claim 3, characterized in that: The edge of the locking disc (38) is provided with a receiving groove, and the insert ring (33) is snapped into the inside of the receiving groove.