Automatic argon arc welding machine

Abstract

The utility model discloses an automatic argon arc welding machine, which belongs to the technical field of welding equipment and comprises a horizontal sliding table, a rotating elbow and a welding gun, the welding gun is mounted at the tail end of the rotating elbow, the direction of the welding gun can be freely adjusted at the tail end of the rotating elbow, and the middle of the rotating elbow is suitable for rotating along the axis of the rotating elbow. Meanwhile, the head end of the rotating elbow is suitable for rotating in the vertical direction of the lifting device, in addition, due to the fact that the head end of the rotating elbow is in transmission connection with the lifting device, the lifting device drives the rotating elbow to move up and down, and meanwhile the rotating elbow can swing on the lifting device. Specifically, the bottom of the horizontal sliding table is arranged on the gantry base table, the top of the horizontal sliding table is in transmission connection with the linear motion device, the linear motion device is suitable for moving left and right along the horizontal sliding table, the lifting device is vertically arranged on the linear motion device and drives the lifting device to move up and down, and therefore the effect of indirectly driving the welding gun to move is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to an automatic argon arc welding machine. Background Art

[0002] During the argon arc welding process, high current can be used to melt the welding material into liquid on the base material to form a molten pool. It has high welding efficiency and stability, is suitable for almost all metals, and can achieve a metallurgical bonding effect between the metal being welded and the welding material.

[0003] However, the current density used in this process is high, and the light emitted is very strong, which produces more severe ultraviolet radiation than ordinary arc welding. Therefore, the amount of ozone generated during welding is also higher, posing a greater threat to the health of the operator. If no protection is taken, it may cause eye damage, such as corneal epithelial damage, retinal lesions, decreased vision, photophobia, pain and other symptoms.

[0004] In view of this, the applicant proposed a new technical solution, which uses automated equipment to replace manual labor to avoid direct human involvement in the argon arc welding process, thereby avoiding harm to the human body caused by argon arc welding. Utility Model Content

[0005] To this end, the utility model provides an automatic argon arc welding machine to solve the problem in the prior art that the amount of ozone generated during the welding process causes damage to the operator's body.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The utility model discloses an automatic argon arc welding machine, comprising:

[0008] A horizontal slide, the bottom of which is arranged on the gantry base, the top of which is transmission-connected to a linear motion device, and the linear motion device is suitable for moving left and right along the horizontal slide;

[0009] A rotary arm elbow, the rear end of which is connected to the welding gun, and the front end of which is drivingly connected to a lifting device, wherein the lifting device is vertically arranged on the linear motion device and is suitable for moving up and down;

[0010] Wherein, the middle part of the swivel arm elbow is suitable for swivel along its own axis, and the head end of the swivel arm elbow is suitable for rotating along the vertical direction of the lifting device.

[0011] Furthermore, the horizontal slide table comprises:

[0012] A horizontal beam with a lead screw fixed on the top;

[0013] The guide rail is arranged on the front side of the horizontal beam, and a weight-reducing hole is arranged at the axis of the horizontal beam.

[0014] Furthermore, the linear motion device comprises:

[0015] The motor bracket has a linear slider at the lower end, and the linear slider is slidably arranged on the guide rail;

[0016] The linear motor is externally mounted on the upper end of the motor bracket, and a rotor is internally arranged for rotation. A hollow shaft is arranged inside the rotor, and the hollow shaft is sleeved on the lead screw and forms a spiral pair with the lead screw.

[0017] Furthermore, a linear encoder is provided on the guide rail.

[0018] Further, the swivel arm elbow comprises:

[0019] A forearm, a welding gun is fixedly mounted at the front end, and a reinforcing rib is arranged on the outer side of the forearm;

[0020] The rotary motor has a swing motor installed at its tail end, and the main shaft of the swing motor is perpendicular to the main shaft of the rotary motor.

[0021] Furthermore, the lifting device is a linear motor or a hydraulic cylinder.

[0022] The utility model has the following advantages:

[0023] In the disclosed technical solution, a horizontal slide is arranged on the gantry base, which can drive the lifting device to move horizontally, and at the same time the lifting device drives the welding gun to move vertically, so that the welding gun automatically welds on the workpiece and forms a weld without the need for workers to manually hold the welding gun to weld the material, thereby avoiding direct human body participation in the welding process during argon arc welding, and solving the problem of damage to the operator's body caused by the amount of ozone generated during the welding process in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0025] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0026] Figure 1 The automatic argon arc welding machine provided by the utility model;

[0027] Figure 2 A three-dimensional diagram of the swivel arm elbow provided by the utility model;

[0028] Figure 3 A three-dimensional diagram of the linear motion device provided by the utility model;

[0029] Figure 4 A three-dimensional diagram of the horizontal slide provided by the utility model;

[0030] In the figure: 1 horizontal slide; 11 horizontal beam; 12 guide rail; 13 lead screw; 14 weight-reducing hole; 2 gantry base; 3 rotary arm elbow; 31 forearm; 32 rotary motor; 33 swing motor; 4 linear motion device; 41 motor bracket; 42 linear slide; 43 linear motor; 44 rotor; 45 hollow shaft; 5 welding gun; 6 lifting device. DETAILED DESCRIPTION

[0031] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part 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.

[0032] Please refer to Figure 1-Figure 4 The utility model discloses an automatic argon arc welding machine, comprising a horizontal slide 1, a rotary arm elbow 3 and a welding gun 5, wherein the welding gun 5 is installed at the tail end of the rotary arm elbow 3, and the welding gun 5 can freely adjust the direction at the tail end of the rotary arm elbow 3. The head end of the rotary arm elbow 3 is transmission-connected with a lifting device 6, and the lifting device 6 can drive the rotary arm elbow 3 to move up and down, and the rotary arm elbow 3 can also pitch and swing on the lifting device 6, thereby improving the flexibility of the movement of the welding gun 5.

[0033] Specifically, the bottom of the horizontal slide 1 is arranged on the gantry base 2, and the top of the horizontal slide 1 is connected to the linear motion device 4 in a transmission manner, and the linear motion device 4 is suitable for moving left and right along the horizontal slide 1. On the other hand, a lifting device 6 is vertically arranged on the linear motion device 4, and drives the lifting device to move up and down, thereby indirectly driving the welding gun 5 to move, wherein the middle part of the rotating arm elbow 3 is suitable for rotating along its own axis, and the head end of the rotating arm elbow 3 is suitable for rotating along the vertical direction of the lifting device 6.

[0034] In a specific embodiment disclosed in the present utility model, Figure 4 The horizontal slide 1 includes a horizontal beam 11 and a guide rail 12, wherein a lead screw 13 is fixedly installed on the top of the horizontal beam 11, and the guide rail 12 is arranged on the front side of the horizontal beam 11. The linear motion device 4 is suitable for moving along the guide rail 12. In this embodiment, the horizontal beam 11 is a standard profile with good rigidity. At the same time, a weight-reducing hole 14 is arranged through the axis of the horizontal beam 11, thereby greatly reducing the weight of the horizontal beam 11 and facilitating the assembly and transportation of the equipment.

[0035] In a specific embodiment disclosed in the present utility model, the linear motion device 4 includes a motor bracket 41 and a linear motor 43, such as Figure 3 , a linear slider 42 is provided at the lower end of the motor bracket 41, and the linear slider 42 is slidably provided on the guide rail 12. In this embodiment, the outside of the linear motor 43 is installed at the upper end of the motor bracket 41, and a rotor 44 is rotatably provided inside the linear motor 43, and a hollow shaft 45 is provided inside the rotor 44. The hollow shaft 45 is sleeved on the lead screw 13 and forms a spiral pair with the lead screw 13. When the linear motor 43 is powered on, the stator inside the linear motor 43 will drive the rotor 44 to rotate, and the rotor 44 will drive the hollow shaft 45 to rotate. Since the hollow shaft 45 and the lead screw 13 form a spiral pair, and the linear slider 42 is slidably provided on the guide rail 12, the entire linear motor 43 and the motor bracket 41 can be driven to move together while the hollow shaft 45 rotates. On the basis of this structure, a linear encoder is provided on the guide rail 12, and the position of the motor bracket 41 can be measured by the linear encoder, and an electrical signal can be sent back to the controller, thereby realizing closed-loop control, and then adjusting the horizontal position of the lifting device 6.

[0036] Similarly, in this embodiment, the lifting device 6 is a linear motor or a hydraulic cylinder, and the closed-loop control principle is also used to adjust its operating state. In this embodiment, the linear motion device 4 and the lifting device 6 can be controlled by PLC programming or by remote control, thereby isolating personnel from the welded parent material.

[0037] In a specific embodiment disclosed in the present utility model, Figure 2The rotary arm elbow 3 includes a forearm 31 and a rotary motor 32, wherein a welding gun 5 is fixedly installed at the front end of the forearm 31, and the welding gun 5 can generate an arc with the welding base material and spray an inert shielding gas outward to complete argon arc welding. A reinforcing rib is arranged on the outside of the forearm 31, which can significantly improve the structural strength of the forearm 31. A swing motor 33 is installed at the tail end of the rotary motor 32, and the main shaft of the swing motor 33 is perpendicular to the main shaft of the rotary motor 32, so that the forearm 31 can move in a conical space to weld different welds.

[0038] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

Claims

1. An automatic argon arc welding machine, characterized in that: include: A horizontal slide (1), the bottom of which is arranged on a gantry base (2), the top of which is transmission-connected to a linear motion device (4), and the linear motion device (4) is suitable for moving left and right along the horizontal slide (1); A rotary arm elbow (3), the rear end of which is connected to a welding gun (5), and the front end of which is drivingly connected to a lifting device (6), wherein the lifting device (6) is vertically arranged on the linear motion device (4) and is suitable for moving up and down; The middle part of the swivel arm elbow (3) is suitable for swivel along its own axis, and the head end of the swivel arm elbow (3) is suitable for rotating along the vertical direction of the lifting device (6).

2. The automatic argon arc welding machine according to claim 1, characterized in that: The horizontal slide table (1) comprises: A horizontal beam (11) with a lead screw (13) fixedly mounted on the top; The guide rail (12) is arranged on the front side of the horizontal beam (11), and a weight-reducing hole (14) is arranged at the axis of the horizontal beam (11).

3. The automatic argon arc welding machine according to claim 2, characterized in that: The linear motion device (4) comprises: A motor bracket (41) is provided with a linear slider (42) at the lower end, and the linear slider (42) is slidably arranged on the guide rail (12); The linear motor (43) is externally mounted on the upper end of the motor bracket (41), and a rotor (44) is rotatably arranged inside the linear motor (43). A hollow shaft (45) is arranged inside the rotor (44), and the hollow shaft (45) is sleeved on the lead screw (13) and forms a spiral pair with the lead screw (13).

4. The automatic argon arc welding machine as claimed in claim 2, characterized in that: A linear encoder is arranged on the guide rail (12).

5. The automatic argon arc welding machine as claimed in claim 2, characterized in that: The swivel arm (3) comprises: A forearm (31), the front end of which is fixedly mounted with a welding gun (5), and a reinforcing rib is provided on the outer side of the forearm (31); The rotary motor (32) has a swing motor (33) installed at its tail end, and the main shaft of the swing motor (33) is perpendicular to the main shaft of the rotary motor (32).

6. The automatic argon arc welding machine according to claim 2, characterized in that: The lifting device (6) is a linear motor or a hydraulic cylinder.

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