Welding robot suitable for gas shielded welding

Abstract

The welding robot suitable for the gas shielded welding comprises a robot body, the robot body comprises a driving base, a rotating shaft base fixedly installed at the top end of the driving base and a first swing arm rotationally connected to one end of the rotating shaft base, and one end of the first swing arm is rotationally connected with a second swing arm; the industrial hot air gun body is started, external air enters the main body rack from the air inlet, the electric heating core in the main body rack is used for heating the air entering the main body rack, the fan blades in the main body rack are used for spraying heated hot air out of the air outlet, and the surface of a workpiece is uniformly preheated; by means of the preheating assembly, when a large part is machined, preheating can be directly conducted, use of external heating equipment is reduced, the machining cost is reduced, and therefore the stability of the gas shielded welding gun for welding a workpiece is improved, and the preheating assembly can be conveniently installed and replaced through a limiting fixing rod and a limiting groove hole.

Description

Technical Field

[0001] The utility model relates to the technical field of welding robot equipment, in particular to a welding robot applicable to gas shielded welding. Background Art

[0002] Gas shielded welding, also known as MIG welding, is a common arc welding process. In gas shielded welding, an arc is formed between the workpiece and the welding wire, and at the same time, a shielding gas is used to protect the molten pool from reacting with oxygen and water vapor in the external air.

[0003] The welding robot using gas shielded welding can precisely control the welding process, ensure the high quality and consistency of the weld seam, and avoid human errors. However, when welding large workpieces or thick workpieces, external heating equipment is required to heat the workpiece, resulting in an increase in the use cost. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problem that the welding robot using gas shielded welding can precisely control the welding process, ensure the high quality and consistency of the weld seam, and avoid human errors. However, when welding large workpieces or thick workpieces, external heating equipment is required to heat the workpiece, resulting in an increase in the use cost, and to provide a welding robot applicable to gas shielded welding.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a welding robot applicable to gas shielded welding, including a robot body, the robot body includes a driving base, a rotating shaft base fixedly installed at the top end of the driving base, and a first swing arm rotatably connected to one end of the rotating shaft base. One end of the first swing arm is rotatably connected to a second swing arm, one end of the second swing arm is rotatably connected to a connecting seat, a mounting seat is fixedly installed at the bottom end of the connecting seat, a gas shielded welding gun for welding the workpiece is fixedly installed at the bottom end of the mounting seat, and a preheating component for preheating large workpieces is arranged at one end of the mounting seat;

[0006] The preheating component includes a fixed base fixedly installed at one end of the mounting seat and a sliding base slidably connected to the fixed base. An industrial hot air gun body for heating is arranged at one end of the sliding base. The industrial hot air gun body includes a main body frame, a connecting base fixedly installed at one end of the main body frame and fixedly installed with the sliding base. Air inlets for sucking external air are uniformly and circumferentially arranged at the top end of the main body frame, a protective cover is arranged at the bottom end of the main body frame, and an air outlet for spraying hot air is arranged at the bottom end of the protective cover.

[0007] As a further solution of the present utility model: a heating core for heating the air entering from the air inlet is arranged inside the main body frame, and a fan blade for spraying the hot air out from the air outlet is arranged at one end of the heating core close to the air inlet end.

[0008] As a further solution of the present utility model: a limiting sliding groove for slidably connecting with the sliding base is formed at one end of the fixed base, and the limiting sliding grooves are symmetrically formed at one end of the fixed base. Symmetrically fixed at one end of the sliding base are limiting sliding blocks for slidably connecting with the limiting sliding grooves, and an electric telescopic rod fixedly installed with the top end of the limiting sliding block is fixedly installed inside the limiting sliding groove.

[0009] As a further solution of the present utility model: a display component for conveniently observing the preheating temperature is arranged at one end of the main body frame.

[0010] As a further solution of the present utility model: limiting slot holes for fixedly installing with the mounting seat are formed at the top end of the fixed base, and the limiting slot holes are symmetrically formed at both ends of the fixed base. The limiting slot holes are also symmetrically formed at both ends of the mounting seat, and a limiting fixing rod for fixing is inserted at one end of the limiting slot hole.

[0011] As a further solution of the present utility model: a wire feeder is arranged at the top end of the second swing arm, and a conveying pipe is arranged at one end of the wire feeder. The conveying pipe penetrates through the mounting seat and is connected with the gas shielded welding gun.

[0012] As a further solution of the present utility model: a driving motor for driving the first swing arm to work is fixedly installed at the top end of the driving base, and the driving motor is also arranged at one end of the second swing arm.

[0013] As a further solution of the present utility model: the electric telescopic rod is electrically connected with the driving motor.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] When the present utility model uses the robot body to process and weld large workpieces, first start the driving motor to drive the electric telescopic rod inside the limiting sliding groove to move. The electric telescopic rod drives the sliding base to slide at one end of the fixed base, and pushes the air outlet of the industrial hot air gun body at one end of the sliding base to the upper part of the surface of the processed workpiece. The industrial hot air gun body can be portably pushed through the fixed base, the sliding base and the electric telescopic rod. When preheating is not required, the sliding base can be returned to the original position through the electric telescopic rod, which does not affect the welding of the workpiece by the gas shielded welding gun.

[0016] Start the industrial hot air gun body. The external air enters the inside of the main body frame from the air inlet. The electric heating core inside the main body frame heats the incoming air, and the fan blades inside the main body frame spray the heated hot air from the air outlet, and evenly preheat the surface of the workpiece. Through the preheating component, when processing large parts, direct preheating can be carried out, reducing the use of external heating equipment and the processing cost, thereby increasing the stability of the gas shielded welding gun for welding the workpiece. And through the limit fixing rod and the limit slot, the preheating component can be conveniently installed and replaced. Description of the Drawings

[0017] Figure 1 is the overall structural schematic diagram of the present utility model;

[0018] Figure 2 is the front structural schematic diagram of the robot body of the present utility model;

[0019] Figure 3 is the present utility model Figure 2 The enlarged structural schematic diagram at A in;

[0020] Figure 4 is the unfolded structural schematic diagram of the preheating component of the present utility model;

[0021] Figure 5 is the back structural schematic diagram of the robot body of the present utility model.

[0022] In the figure: 1. Robot body; 11. Driving base; 12. Rotating shaft base; 13. Driving motor; 14. First swing arm; 15. Second swing arm; 16. Connecting seat; 17. Mounting seat; 18. Gas shielded welding gun; 19. Wire feeder; 110. Delivery pipe; 2. Preheating component; 21. Fixed base; 22. Sliding base; 23. Limit sliding groove; 24. Limit slider; 25. Electric telescopic rod; 26. Connecting base; 27. Limit slot; 28. Limit fixing rod; 3. Industrial hot air gun body; 31. Main body frame; 32. Air inlet; 33. Protective cover; 34. Air outlet; 35. Display component. Detailed Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, terms such as "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "setting" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. The following will describe the embodiments according to the overall structure of the present utility model.

[0025] Referring to Figures 1 to 5 , in an embodiment of the present utility model, a welding robot suitable for gas shielded welding includes a robot body 1. The robot body 1 includes a driving base 11, a rotating shaft base 12 fixedly installed at the top end of the driving base 11, and a first swing arm 14 rotatably connected to one end of the rotating shaft base 12. One end of the first swing arm 14 is rotatably connected to a second swing arm 15, one end of the second swing arm 15 is rotatably connected to a connecting seat 16, a mounting seat 17 is fixedly installed at the bottom end of the connecting seat 16, and a gas shielded welding gun 18 for welding a workpiece is fixedly installed at the bottom end of the mounting seat 17. A preheating assembly 2 for preheating a large workpiece is provided at one end of the mounting seat 17;

[0026] The preheating assembly 2 includes a fixed base 21 fixedly installed at one end of the mounting seat 17 and a sliding base 22 slidably connected to the fixed base 21. An industrial hot air gun body 3 for heating is provided at one end of the sliding base 22. The industrial hot air gun body 3 includes a main body frame 31, a connecting base 26 fixedly installed at one end of the main body frame 31 and fixedly installed with the sliding base 22. Air inlets 32 for sucking external air are evenly and circumferentially opened at the top end of the main body frame 31. A protective cover 33 is provided at the bottom end of the main body frame 31, and an air outlet 34 for ejecting hot air is opened at the bottom end of the protective cover 33.

[0027] Referring to Figures 1 to 5, a heating core for heating the air entering from the air inlet 32 is arranged inside the main body frame 31, and a fan blade for spraying the hot air from the air outlet 34 is arranged at one end of the heating core close to the air inlet 32. A limiting chute 23 for slidably connecting with the sliding base 22 is formed at one end of the fixed base 21, and the limiting chutes 23 are symmetrically arranged at one end of the fixed base 21. At one end of the sliding base 22, limiting sliders 24 slidably connected with the limiting chutes 23 are symmetrically fixed. An electric telescopic rod 25 fixedly installed with the top end of the limiting slider 24 is fixedly installed inside the limiting chute 23. The electric telescopic rod 25 is electrically connected with the driving motor 13. A display component 35 for conveniently observing the preheating temperature is arranged at one end of the main body frame 31.

[0028] Refer to Figures 1 to 5 , limiting slot holes 27 for fixedly installing with the mounting seat 17 are formed at the top end of the fixed base 21, and the limiting slot holes 27 are symmetrically arranged at both ends of the fixed base 21. The limiting slot holes 27 are also symmetrically arranged at both ends of the mounting seat 17. A limiting fixing rod 28 for fixing is inserted at one end of the limiting slot hole 27.

[0029] Refer to Figures 1 to 5 , a wire feeder 19 is arranged at the top end of the second swing arm 15. A conveying pipe 110 is arranged at one end of the wire feeder 19, and the conveying pipe 110 penetrates through the mounting seat 17 and is connected with the gas shielded welding gun 18. A driving motor 13 for driving the first swing arm 14 to work is fixedly installed at the top end of the driving base 11, and the driving motor 13 is also arranged at one end of the second swing arm 15.

[0030] The working principle of the present utility model is as follows: When using the robot body 1 to process and weld large workpieces, first start the driving motor 13 to drive the electric telescopic rod 25 inside the limiting chute 23 to move. The electric telescopic rod 25 drives the sliding base 22 to slide at one end of the fixed base 21, and the air outlet 34 of the industrial hot air gun body 3 at one end of the sliding base 22 is pushed above the surface of the processed workpiece. Through the fixed base 21, the sliding base 22 and the electric telescopic rod 25, the industrial hot air gun body 3 can be conveniently pushed. When preheating is not required, the sliding base 22 can be returned to its original position through the electric telescopic rod 25, which does not affect the welding of the workpiece by the gas shielded welding gun 18. Then start the industrial hot air gun body 3. External air enters the inside of the main body frame 31 from the air inlet 32. The entering air is heated by the electric heating core inside the main body frame 31, and the heated hot air is sprayed out from the air outlet 34 through the fan blade inside the main body frame 31, and the surface of the workpiece is evenly preheated. Through the preheating component 2, when processing large parts, direct preheating can be carried out, reducing the use of external heating equipment and the processing cost, thereby increasing the welding stability of the gas shielded welding gun 18 to the workpiece. And through the limiting fixing rod 28 and the limiting slot holes 27, the preheating component 2 can be conveniently installed and replaced.

[0031] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, making equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

Claims

1. A welding robot suitable for gas shielded welding, characterized in that: The robot body (1) comprises a driving base (11), a rotating shaft base (12) fixedly mounted on the top of the driving base (11), and a first swing arm (14) rotatably connected to one end of the rotating shaft base (12); one end of the first swing arm (14) is rotatably connected to a second swing arm (15); one end of the second swing arm (15) is rotatably connected to a connecting seat (16); a mounting seat (17) is fixedly mounted on the bottom end of the connecting seat (16); a gas shielded welding gun (18) for welding a workpiece is fixedly mounted on the bottom end of the mounting seat (17); and a preheating component (2) for preheating a large workpiece is provided at one end of the mounting seat (17); The preheating assembly (2) comprises a fixed base (21) fixedly mounted on one end of a mounting seat (17) and a sliding base (22) slidably connected to the fixed base (21); an industrial hot air gun body (3) for heating is arranged at one end of the sliding base (22); the industrial hot air gun body (3) comprises a main frame (31), a connecting base (26) fixedly mounted on one end of the main frame (31) and fixedly mounted to the sliding base (22); air inlets (32) for sucking in external air are evenly arranged at the top of the main frame (31); a protective cover (33) is arranged at the bottom of the main frame (31); and an air outlet (34) for ejecting hot air is arranged at the bottom of the protective cover (33).

2. A welding robot suitable for gas shielded welding according to claim 1, characterized in that: A heating core is arranged inside the main frame (31) for heating the air entering from the air inlet (32), and fan blades are arranged at one end of the heating core close to the air inlet (32) for ejecting hot air from the air outlet (34).

3. A welding robot suitable for gas shielded welding according to claim 1, characterized in that: A limiting slide groove (23) slidably connected to the sliding base (22) is provided at one end of the fixed base (21), and the limiting slide groove (23) is symmetrically provided at one end of the fixed base (21). A limiting slider (24) slidably connected to the limiting slide groove (23) is symmetrically fixed at one end of the sliding base (22), and an electric telescopic rod (25) is fixedly installed inside the limiting slide groove (23) and fixedly installed at the top of the limiting slider (24).

4. A welding robot suitable for gas shielded welding according to claim 1, characterized in that: One end of the main frame (31) is provided with a display component (35) for facilitating observation of the preheating temperature.

5. A welding robot suitable for gas shielded welding according to claim 1, characterized in that: A limiting slot (27) for fixing with the mounting seat (17) is provided at the top of the fixed base (21), and the limiting slot (27) is symmetrically provided at both ends of the fixed base (21). The limiting slot (27) is also symmetrically provided at both ends of the mounting seat (17), and a limiting fixing rod (28) is inserted at one end of the limiting slot (27) for fixing.

6. A welding robot suitable for gas shielded welding according to claim 1, characterized in that: A wire feeder (19) is provided at the top end of the second swing arm (15), a delivery pipe (110) is provided at one end of the wire feeder (19), and the delivery pipe (110) passes through the mounting seat (17) and is connected to the gas shielded welding gun (18).

7. A welding robot suitable for gas shielded welding according to claim 1, characterized in that: A driving motor (13) for driving the first swing arm (14) to work is fixedly mounted on the top of the driving base (11), and the driving motor (13) is also arranged at one end of the second swing arm (15).

8. A welding robot suitable for gas shielded welding according to claim 3, characterized in that: The electric telescopic rod (25) is electrically connected to the driving motor (13).

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