Robot automatic welding workstation with positioning function

Abstract

The invention provides a robot automatic welding workstation with a positioning function, and relates to the technical field of welding workstations. The robot automatic welding workstation with the positioning function comprises a welding workbench, and two threaded moving plates are arranged on the upper surface of the welding workbench. According to the device, a carbon dioxide generator is started, one part of carbon dioxide enters the corresponding sealed welding box body through two first connecting hoses to drive air in the sealed welding box body and is exhausted through an exhaust pipeline, and the other part of carbon dioxide enters an L-shaped fixing pipeline through a second connecting hose to drive the air in the sealed welding box body to be exhausted through an exhaust pipeline; and the air enters one mounting hollow pipe body through the L-shaped fixing pipeline, enters the metal pipe fitting by rotating the hollow pipe body, expels the air in the metal pipe fitting, and is exhausted through the other mounting hollow pipe body, so that the air inside and outside the metal pipe fitting can be expelled, and the welding quality of the metal pipe fitting is effectively guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of welding workstations, in particular to a robot automated welding workstation with a positioning function. Background Art

[0002] When welding two sections of metal pipes, the two sections are generally aligned and spliced ​​together, and the metal pipes are welded by a welding device. During the welding process of the metal pipes, the weld pool will cause serious oxidation inside the metal parts, affecting the welding appearance and welding performance. For this phenomenon, the industry mainly adopts the method of spraying inert gas into the weld to isolate oxygen or filling carbon dioxide to drive away the air. No matter which method is used, it is often only considered that the influence of the air outside the metal pipes. In fact, when the metal pipes are placed in alignment, there is still a lot of air inside the two metal pipes. During subsequent welding, the air will still have an adverse effect on the metal pipes. Summary of the invention

[0003] 1. Technical issues to be resolved

[0004] In view of the shortcomings of the prior art, the present invention provides a robot automated welding workstation with a positioning function, which solves the problem that the prior art only considers the influence of the air outside the metal pipes. In fact, when the metal pipes are placed in alignment, there is still a lot of air inside the two metal pipes. During subsequent welding, the air will still have an adverse effect on the metal pipes.

[0005] (II) Technical solution

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a robot automated welding workstation with a positioning function, comprising a welding workbench, wherein two threaded movable plates are arranged on the upper surface of the welding workbench, and a first power assembly for driving the two threaded movable plates to move is installed on the upper surface of the welding workbench, and the upper surfaces of the two threaded movable plates are fixedly connected to a sealed welding box body, and a rotating hollow tube body is sealed and rotatably connected to the side walls of the two sealed welding boxes, and a fixing assembly is arranged on the outer surface of the rotating hollow tube body, and the opposite ends of the two rotating hollow tube bodies are fixedly connected to an installed hollow tube body, and a linkage assembly is arranged on the two sealed welding boxes, and a welding assembly is installed on the upper surface of the welding workbench and located at the rear side of the sealed welding box body, and an air supply assembly is arranged on the rear side of the welding assembly.

[0007] Preferably, the first power assembly includes two first fixed plates fixedly connected to the upper surface of the welding workbench, a bidirectional threaded rod is rotatably connected between the two first fixed plates, and the two threaded movable plates are threadedly connected to the outer surface of the bidirectional threaded rod, a first servo motor is fixedly connected to the side wall of one of the first fixed plates, and the output shaft of the first servo motor is fixedly connected to the bidirectional threaded rod, a sleeve rod is fixedly connected between the two first fixed plates, and the two threaded movable plates are slidably sleeved on the outer surface of the sleeve rod.

[0008] Preferably, the fixing assembly includes a mounting fixing disc fixedly connected to the outer surface of the rotating hollow tube body, a plurality of first driving cylinders are fixedly connected to the side wall of the mounting fixing disc, a piston end of the first driving cylinder is fixedly connected to a resisting fixing protrusion, an embedding groove is provided on one side of the mounting fixing disc, and a rubber gasket is fixedly connected to the inside of the embedding groove.

[0009] Preferably, the linkage assembly includes two third fixed plates, and the two third fixed plates are respectively fixedly connected to the side walls of the two sealed welded box bodies, and the side walls of the third fixed plates are penetrated by a rotating connecting shaft rod, one end of the rotating connecting shaft rod is fixedly connected to an outer mounting sleeve rod, and the other end of the rotating connecting shaft rod is fixedly connected to an inner connecting plug rod matched with the outer mounting sleeve rod, the outer surfaces of the two rotating connecting shaft rods are fixedly connected to the first pulley, and the outer surfaces of the two rotating hollow tubes are fixedly connected to the second pulley, the first pulley and the corresponding second pulley are connected by belt transmission, and a second power assembly is installed on the side wall of one of the sealed welded box bodies.

[0010] Preferably, the second power assembly includes a fourth fixed plate fixedly connected to the side wall of the sealed welded box body, a second servo motor is fixedly connected to the side wall of the fourth fixed plate, an output shaft of the second servo motor is fixedly connected to a second rotating gear, an outer surface of one of the rotating connection shafts is fixedly connected to a first rotating gear, and the first rotating gear is meshingly connected to the second rotating gear.

[0011] Preferably, the welding assembly includes an L-shaped mounting frame fixedly connected to the upper surface of the welding workbench, the top of the L-shaped mounting frame is fixedly connected to a second driving cylinder, the piston end of the second driving cylinder is fixedly connected to a lifting connecting shaft, the end of the lifting connecting shaft away from the second driving cylinder is fixedly connected to a connecting plate, and the lower surface of the connecting plate is fixedly connected to a welding head.

[0012] Preferably, the gas supply assembly includes a carbon dioxide generator fixedly connected to the upper surface of the welding workbench, the outlet of the carbon dioxide generator is fixedly connected to a gas pump, the outlet of the gas pump is fixedly connected to an installation connecting pipe, both ends of the installation connecting pipe are fixedly connected to a first connecting hose, the other ends of the two first connecting hoses are respectively fixedly connected to the corresponding sealed welding box bodies, the outer surface of the installation connecting pipe is fixedly connected to a second connecting hose, the end of the second connecting hose away from the installation connecting pipe is fixedly connected to an L-shaped fixed pipe, and the end of the L-shaped fixed pipe away from the second connecting hose is rotatably connected to the end of one of the installation hollow tube bodies.

[0013] Preferably, a second fixing plate is fixedly connected to the side wall of one of the sealed welded boxes, the second fixing plate is fixedly connected to the L-shaped fixed pipe, and a first one-way valve is provided on the outer surface of the other mounting hollow tube.

[0014] Preferably, the tops of the two sealed welded boxes are fixedly connected to an exhaust pipe, a second one-way valve is installed on the exhaust pipe, an arc groove is opened on one side of the top of the two sealed welded boxes, and sealing strips are installed inside the arc groove and on the opposite side of the two sealed welded boxes.

[0015] (III) Beneficial effects

[0016] The present invention provides a robot automated welding workstation with positioning function.

[0017] Beneficial effects:

[0018] 1. The present invention starts a carbon dioxide generator, and the carbon dioxide generated by the carbon dioxide generator is transported to the installation connection pipeline through an air pump, and then a part of the carbon dioxide enters the corresponding sealed welding box through two first connecting hoses, drives out the air inside the sealed welding box, and is discharged through the exhaust pipe, and another part of the carbon dioxide enters the L-shaped fixed pipeline through the second connecting hose, and then enters the interior of one of the installed hollow tube bodies through the L-shaped fixed pipeline, and then enters the interior of the metal pipe fitting through the rotating hollow tube body, drives out the air inside the metal pipe fitting, and is discharged through the other installed hollow tube body, thereby being able to drive out the air inside and outside the metal pipe fitting, effectively ensuring the welding quality of the metal pipe fitting.

[0019] 2. The present invention starts the welding head to weld two metal pipe fittings, and at the same time, starts the second servo motor. The output shaft of the second servo motor rotates the second rotating gear, so that the second rotating gear rotates the first rotating gear, and the first rotating gear rotates one of the rotating connecting shafts. Through the cooperation of the outer mounting sleeve and the inner connecting rod, the other rotating connecting shaft rotates synchronously, so that the two rotating hollow tubes rotate synchronously, thereby rotating the metal pipe fittings for comprehensive welding. During the welding process, carbon dioxide is continuously supplied, which can effectively carry the heat generated by welding and ensure a good working environment.

[0020] 3. The present invention places the metal pipe into the sealed welding box, fits the metal pipe with the installation fixing disc, and fits the metal pipe with the rubber gasket embedded in the groove, and then starts a plurality of first driving cylinders, the piston end of the first driving cylinder moves with the abutting fixing protrusion, so that the plurality of abutting fixing protrusions press and fix the metal pipe tightly, which is convenient to fix and can effectively form an airway. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the first-perspective stereoscopic structure of a robot automated welding workstation with a positioning function provided by the present invention;

[0022] Figure 2 A schematic diagram of the second perspective stereoscopic structure of a robot automated welding workstation with a positioning function provided by the present invention;

[0023] Figure 3 A top view of a robot automated welding workstation with a positioning function provided by the present invention;

[0024] Figure 4 A side view of a robot automated welding workstation with positioning function provided by the present invention;

[0025] Figure 5 A schematic diagram of the structure of a rotating hollow tube body of a robot automated welding workstation with a positioning function provided by the present invention;

[0026] Figure 6 A robot automated welding workstation with positioning function provided by the present invention Figure 1 Schematic diagram of the structure at point A in the middle.

[0027] Among them, 1. welding workbench; 2. first fixed plate; 3. bidirectional threaded rod; 4. first servo motor; 5. threaded moving plate; 6. sealed welding box; 7. rotating hollow tube; 8. installing fixed disc; 9. first driving cylinder; 10. abutting fixed convex rod; 11. rubber gasket; 12. installing hollow tube; 13. second fixed plate; 14. L-shaped fixed pipe; 15. third fixed plate; 16. rotating connecting shaft; 17. outer mounting sleeve rod; 18. inner connecting plug rod; 19. first rotating gear; 20. second servo motor; 21. second rotating gear; 22. L-shaped mounting frame; 23. second driving cylinder; 24. lifting connecting shaft; 25. welding head; 26. exhaust pipe; 27. carbon dioxide generator; 28. gas pump; 29. ​​installing connecting pipe; 30. first connecting hose; 31. second connecting hose. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Example:

[0030] like Figure 1-Figure 6 As shown, an embodiment of the present invention provides a robot automated welding workstation with a positioning function, including a welding workbench 1, wherein two threaded moving plates 5 are arranged on the upper surface of the welding workbench 1, and a first power assembly driving the two threaded moving plates 5 to move is installed on the upper surface of the welding workbench 1, wherein the first power assembly comprises two first fixed plates 2 fixedly connected to the upper surface of the welding workbench 1, and a bidirectional threaded rod 3 is rotatably connected between the two first fixed plates 2, and the bidirectional threaded rod 3 is provided with two sections of opposite threads, and the two threaded moving plates 5 are both threadedly connected to the outer surface of the bidirectional threaded rod 3, and one of the first fixed plates 2 is connected to the outer surface of the bidirectional threaded rod 3. A first servo motor 4 is fixedly connected to the side wall of a fixed plate 2, and the output shaft of the first servo motor 4 is fixedly connected to the bidirectional threaded rod 3. A sleeve rod is fixedly connected between the two first fixed plates 2, and two threaded movable plates 5 are slidably sleeved on the outer surface of the sleeve rod. The first servo motor 4 is started, and the output shaft of the first servo motor 4 drives the bidirectional threaded rod 3 to rotate, so that the two threaded movable plates 5 approach each other, thereby driving the two sealed welding boxes 6 to approach each other until they touch each other. At this time, the two arc grooves also just wrap the lifting connection shaft 24, so that a closed space is formed between the two sealed welding boxes 6;

[0031] The upper surfaces of the two threaded movable plates 5 are fixedly connected with a sealed welding box body 6. The sealed welding box body 6 can be made of a transparent material, and a transparent window can also be set on the sealed welding box body 6 for the purpose of facilitating observation and placing or taking metal pipes. The tops of the two sealed welding boxes 6 are fixedly connected with an exhaust pipe 26, and a second one-way valve is installed on the exhaust pipe 26. An arc groove is provided on one side of the top of the two sealed welding boxes 6, and sealing strips are installed on the inside of the arc groove and on the opposite side of the two sealed welding boxes 6. The side walls of the two sealed welding boxes 6 are sealed and rotatably connected with a rotating hollow tube body 7, and the outer surface of the rotating hollow tube body 7 is provided with a fixed component. The fixed component The parts include a mounting and fixing disc 8 fixedly connected to the outer surface of the rotating hollow tube body 7, a plurality of first driving cylinders 9 fixedly connected to the side wall of the mounting and fixing disc 8, a piston end of the first driving cylinder 9 fixedly connected to a conflicting and fixing convex rod 10, an embedding groove is provided on one side of the mounting and fixing disc 8, a rubber gasket 11 is fixedly connected inside the embedding groove, when the metal pipe fitting is put into the sealed welding box body 6, the metal pipe fitting fits with the mounting and fixing disc 8, so that the metal pipe fitting fits with the rubber gasket 11 inside the embedding groove, and then the plurality of first driving cylinders 9 are started, and the piston end of the first driving cylinder 9 moves with the conflicting and fixing convex rod 10, so that the plurality of conflicting and fixing convex rods 10 tightly fix the metal pipe fitting;

[0032] The two ends of the two rotating hollow tubes 7 facing away from each other are fixedly connected to the mounting hollow tube 12, and the two sealed welded boxes 6 are jointly provided with a linkage assembly, which includes two third fixed plates 15, and the two third fixed plates 15 are respectively fixedly connected to the side walls of the two sealed welded boxes 6, and the side walls of the third fixed plates 15 are penetrated and rotatably connected with a rotating connecting shaft rod 16, and the end of one rotating connecting shaft rod 16 is fixedly connected to an outer mounting sleeve rod 17, and the end of the other rotating connecting shaft rod 16 is fixedly connected to an inner connecting plug rod 18 adapted to the outer mounting sleeve rod 17, and the outer surfaces of the two rotating connecting shaft rods 16 are fixedly connected to the first Pulleys, the outer surfaces of the two rotating hollow tubes 7 are fixedly connected with second pulleys, the first pulleys are connected to the corresponding second pulleys through belt transmission, a second power assembly is installed on the side wall of one of the sealed welded boxes 6, the second power assembly includes a fourth fixed plate fixedly connected to the side wall of the sealed welded box 6, a second servo motor 20 is fixedly connected to the side wall of the fourth fixed plate, the output shaft of the second servo motor 20 is fixedly connected to the second rotating gear 21, the outer surface of one of the rotating connecting shafts 16 is fixedly connected to the first rotating gear 19, and the first rotating gear 19 is meshed with the second rotating gear 21;

[0033] A welding assembly is installed on the upper surface of the welding workbench 1 and at the rear side of the sealed welding box 6. The welding assembly includes an L-shaped mounting frame 22 fixedly connected to the upper surface of the welding workbench 1. The top of the L-shaped mounting frame 22 is fixedly connected to a second driving cylinder 23. The piston end of the second driving cylinder 23 is fixedly connected to a lifting connecting shaft 24. The end of the lifting connecting shaft 24 away from the second driving cylinder 23 is fixedly connected to a connecting plate. The lower surface of the connecting plate is fixedly connected to a welding head 25. After the two metal pipes are installed and fixed, the second driving cylinder 23 is started, and the piston end of the second driving cylinder 23 is connected with the lifting connecting shaft 24. The shaft 24 descends, and the lifting connecting shaft 24 brings the welding head 25 down, and then the welding head 25 is started to weld the two metal pipes. At the same time, the second servo motor 20 is started, and the output shaft of the second servo motor 20 drives the second rotating gear 21 to rotate, so that the second rotating gear 21 drives the first rotating gear 19 to rotate, and the first rotating gear 19 drives one of the rotating connecting shafts 16 to rotate, and through the cooperation of the outer mounting sleeve rod 17 and the inner connecting plug rod 18, the other rotating connecting shaft 16 is synchronously rotated, so that the two rotating hollow tubes 7 are synchronously rotated, thereby driving the metal pipes to rotate for comprehensive welding;

[0034] A gas supply assembly is provided at the rear side of the welding assembly, and the gas supply assembly includes a carbon dioxide generator 27 fixedly connected to the upper surface of the welding workbench 1, an outlet of the carbon dioxide generator 27 is fixedly connected to a gas pump 28, an outlet of the gas pump 28 is fixedly connected to an installation connection pipe 29, both ends of the installation connection pipe 29 are fixedly connected to a first connection hose 30, the other ends of the two first connection hoses 30 are respectively fixedly connected to the corresponding sealed welding box 6, a second connection hose 31 is fixedly connected to the outer surface of the installation connection pipe 29, an end of the second connection hose 31 away from the installation connection pipe 29 is fixedly connected to an L-shaped fixed pipe 14, an end of the L-shaped fixed pipe 14 away from the second connection hose 31 is rotatably connected to one end of the installation hollow tube body 12, and a side wall of one of the sealed welding boxes 6 is fixedly connected to The second fixing plate 13 is fixedly connected to the L-shaped fixed pipe 14. The outer surface of the other installed hollow tube body 12 is provided with a first one-way valve. The carbon dioxide generator 27 is started. The carbon dioxide generated by the carbon dioxide generator 27 is transported to the installation connecting pipe 29 through the air pump 28. Then a part of the carbon dioxide enters the corresponding sealed welding box body 6 through the two first connecting hoses 30, drives out the air inside the sealed welding box body 6, and is discharged through the exhaust pipe 26. Another part of the carbon dioxide enters the L-shaped fixed pipe 14 through the second connecting hose 31, and then enters the interior of one of the installed hollow tube bodies 12 through the L-shaped fixed pipe 14, and then enters the metal pipe fitting through the rotating hollow tube body 7, drives out the air inside the metal pipe fitting, and is discharged through the other installed hollow tube body 12.

[0035] Working principle:

[0036] When in use, the metal pipe is placed inside the sealed welding box 6, the metal pipe fits with the installation and fixing disc 8, so that the metal pipe fits with the rubber gasket 11 embedded in the groove, and then the multiple first driving cylinders 9 are started, and the piston end of the first driving cylinder 9 moves with the abutting fixing convex rod 10, so that the multiple abutting fixing convex rods 10 press and fix the metal pipe tightly, and after the two metal pipes are installed and fixed, the second driving cylinder 23 is started, and the piston end of the second driving cylinder 23 descends with the lifting connecting shaft 24, and the lifting connecting shaft 24 descends with the welding head 25;

[0037] Then the first servo motor 4 is started, and the output shaft of the first servo motor 4 rotates with the bidirectional threaded rod 3, so that the two threaded moving plates 5 approach each other, thereby bringing the two sealed welded boxes 6 closer to each other until they touch each other. At this time, the two arc-shaped grooves just wrap the lifting connection shaft 24, and the lifting connection shaft 24 can still slide and rise, so that a closed space is formed between the two sealed welded boxes 6. When the two sealed welded boxes 6 are close to each other, the outer mounting sleeve rod 17 is clamped with the inner connecting rod 18;

[0038] The carbon dioxide generator 27 is started, and the carbon dioxide generated by the carbon dioxide generator 27 is transported to the installation connection pipe 29 through the air pump 28, and then a part of the carbon dioxide enters the corresponding sealed welding box 6 through the two first connecting hoses 30, drives out the air inside the sealed welding box 6, and is discharged through the exhaust pipe 26, and another part of the carbon dioxide enters the L-shaped fixed pipe 14 through the second connecting hose 31, and then enters the interior of one of the installation hollow pipes 12 through the L-shaped fixed pipe 14, and then enters the interior of the metal pipe through the rotating hollow pipe 7, drives out the air inside the metal pipe, and is discharged through the other installation hollow pipe 12;

[0039] Then start the welding head 25 to weld the two metal pipes. At the same time, start the second servo motor 20. The output shaft of the second servo motor 20 rotates the second rotating gear 21, so that the second rotating gear 21 rotates with the first rotating gear 19. The first rotating gear 19 rotates with one of the rotating connecting shafts 16. Through the cooperation of the outer mounting sleeve 17 and the inner connecting plug rod 18, the other rotating connecting shaft 16 rotates synchronously, so that the two rotating hollow tubes 7 rotate synchronously, thereby rotating the metal pipes for comprehensive welding. During the welding process, carbon dioxide is continuously supplied, which can effectively carry the heat generated by welding.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprising a reference structure" do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A robot automated welding workstation with positioning function, comprising a welding workbench (1), characterized in that: Two threaded movable plates (5) are arranged on the upper surface of the welding workbench (1), and a first power assembly for driving the two threaded movable plates (5) to move is installed on the upper surface of the welding workbench (1). The upper surfaces of the two threaded movable plates (5) are fixedly connected to a sealed welding box (6), and the side walls of the two sealed welding boxes (6) are sealed and rotatably connected to a rotating hollow tube (7), and the outer surface of the rotating hollow tube (7) is provided with a fixing assembly, and the opposite ends of the two rotating hollow tubes (7) are fixedly connected to an installation hollow tube (12), and the two sealed welding boxes (6) are jointly provided with a linkage assembly, and a welding assembly is installed on the upper surface of the welding workbench (1) and at the rear side of the sealed welding box (6), and an air supply assembly is arranged at the rear side of the welding assembly.

2. The robot automated welding workstation with positioning function according to claim 1, characterized in that: The first power assembly comprises two first fixed plates (2) fixedly connected to the upper surface of the welding workbench (1), a bidirectional threaded rod (3) being rotatably connected between the two first fixed plates (2), and two threaded movable plates (5) being threadedly connected to the outer surface of the bidirectional threaded rod (3), a first servo motor (4) being fixedly connected to the side wall of one of the first fixed plates (2), an output shaft of the first servo motor (4) being fixedly connected to the bidirectional threaded rod (3), a sleeve rod being fixedly connected between the two first fixed plates (2), and the two threaded movable plates (5) being slidably sleeved on the outer surface of the sleeve rod.

3. The robot automated welding workstation with positioning function according to claim 1, characterized in that: The fixing assembly comprises a mounting fixing disc (8) fixedly connected to the outer surface of the rotating hollow tube (7); a plurality of first driving cylinders (9) are fixedly connected to the side wall of the mounting fixing disc (8); a piston end of the first driving cylinder (9) is fixedly connected to a contact fixing protrusion (10); an embedding groove is provided on one side of the mounting fixing disc (8); a rubber gasket (11) is fixedly connected to the inside of the embedding groove.

4. The robot automated welding workstation with positioning function according to claim 1, characterized in that: The linkage assembly comprises two third fixing plates (15), the two third fixing plates (15) are respectively fixedly connected to the side walls of the two sealed welded boxes (6), the side walls of the third fixing plates (15) are penetrated by a rotating connecting shaft rod (16) for rotational connection, one end of the rotating connecting shaft rod (16) is fixedly connected to an outer mounting sleeve rod (17), and the other end of the rotating connecting shaft rod (16) is fixedly connected to an inner connecting plug rod (18) matched with the outer mounting sleeve rod (17), the outer surfaces of the two rotating connecting shaft rods (16) are fixedly connected to a first pulley, and the outer surfaces of the two rotating hollow tubes (7) are fixedly connected to a second pulley, the first pulley and the corresponding second pulley are connected by belt transmission, and a second power assembly is installed on the side wall of one of the sealed welded boxes (6).

5. The robot automated welding workstation with positioning function according to claim 4, characterized in that: The second power assembly comprises a fourth fixed plate fixedly connected to the side wall of the sealed welded box body (6), a second servo motor (20) being fixedly connected to the side wall of the fourth fixed plate, an output shaft of the second servo motor (20) being fixedly connected to a second rotating gear (21), an outer surface of one of the rotating connecting shafts (16) being fixedly connected to a first rotating gear (19), and the first rotating gear (19) being meshingly connected to the second rotating gear (21).

6. The robot automated welding workstation with positioning function according to claim 1, characterized in that: The welding assembly comprises an L-shaped mounting frame (22) fixedly connected to the upper surface of a welding workbench (1); a second driving cylinder (23) is fixedly connected to the top of the L-shaped mounting frame (22); a lifting connecting shaft (24) is fixedly connected to the piston end of the second driving cylinder (23); an end of the lifting connecting shaft (24) away from the second driving cylinder (23) is fixedly connected to a connecting plate; and a welding head (25) is fixedly connected to the lower surface of the connecting plate.

7. The robot automated welding workstation with positioning function according to claim 1, characterized in that: The gas supply assembly comprises a carbon dioxide generator (27) fixedly connected to the upper surface of the welding workbench (1); the outlet of the carbon dioxide generator (27) is fixedly connected to a gas pump (28); the outlet of the gas pump (28) is fixedly connected to a mounting connection pipe (29); both ends of the mounting connection pipe (29) are fixedly connected to first connection hoses (30); the other ends of the two first connection hoses (30) are respectively fixedly connected to corresponding sealed welding boxes (6); the outer surface of the mounting connection pipe (29) is fixedly connected to a second connection hose (31); one end of the second connection hose (31) away from the mounting connection pipe (29) is fixedly connected to an L-shaped fixed pipe (14); one end of the L-shaped fixed pipe (14) away from the second connection hose (31) is rotatably connected to the end of one of the mounting hollow tube bodies (12).

8. The robot automated welding workstation with positioning function according to claim 7, characterized in that: A second fixing plate (13) is fixedly connected to the side wall of one of the sealed welded boxes (6), and the second fixing plate (13) is fixedly connected to the L-shaped fixed pipe (14). A first one-way valve is arranged on the outer surface of the other mounting hollow tube (12).

9. The robot automated welding workstation with positioning function according to claim 1, characterized in that: The tops of the two sealed welded boxes (6) are fixedly connected to an exhaust pipe (26), and a second one-way valve is installed on the exhaust pipe (26). An arc groove is opened on one side of the top of the two sealed welded boxes (6), and sealing strips are installed inside the arc groove and on the opposite side of the two sealed welded boxes (6).

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