Automatic welding system

Abstract

The utility model discloses an automatic welding system which comprises a system terminal and a system module, the system terminal comprises a user terminal and a control terminal, the user terminal is electrically connected with the control terminal, the system module comprises an electric welding module, a cooling module and a setting module, the electric welding module is used for welding objects, and the cooling module is used for cooling the objects. The cooling module is used for cooling the electric welding module, and the setting module is used for setting parameters of the electric welding module. The automatic welding device solves the automatic welding problem of the non-standard metal plate cabinet, and compared with a mechanical arm matched with an assembly line for production operation, the cost is greatly reduced. And a traditional mechanical arm automatic welding teaching system is not needed, the sizes and welding tracks of all welding seams can be measured and obtained through a measuring tape and then input into the system, learning preconditions almost do not exist, the requirement for knowledge and skills of field operators is extremely low, and the actual situation of metal plate factory welding workers in the current industry is better met.

Description

Technical Field

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

[0002] Automatic welding technology is a processing technology that organically combines welding principles, automatic control principles and mechanical motion principles, and realizes the automation of the welding process. This technology uses an automated control system, welding fixtures, clamping and positioning systems, high-quality welding materials, and advanced equipment and technology to organically combine them to achieve higher quality and efficient production of welded parts.

[0003] In automatic welding technology, the installation and positioning of the workpiece and welding equipment are completed by various mechanisms, such as workpiece clamping mechanism, demoulding mechanism, welding gun clamping mechanism, welding gun pneumatic adjustment mechanism, etc. At the same time, the guide rail bed, rotating mechanism, rotating turntable, pneumatic tail slide mechanism and other devices realize the front and back, left and right, up and down movement of the welding gun and workpiece. This enables the welding process to be precisely controlled and improves welding quality and efficiency.

[0004] Argon arc welding is a welding technology that uses argon as a shielding gas, also known as argon gas shielded welding. It is to pass argon shielding gas around the arc welding to isolate the air outside the welding area to prevent oxidation of the welding area. The argon arc welding process is accompanied by a large amount of heat, glare, harmful gases and radiation to the human body. Traditional argon arc welding requires manual adjustment of the welding angle and control of the welding speed. The operator is prone to fatigue and the production efficiency is low. There is room for improvement. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic welding system, which can automatically switch to multi-angle welding, is easy to adjust and install, is easy to complete automatic argon arc welding work, reduces the harm of argon arc welding to the human body, improves production efficiency, and solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic welding system, including a system terminal and a system module, the system terminal including a user terminal and a control terminal, the user terminal is electrically connected to the control terminal, the system module includes a welding module, a cooling module and a setting module, the welding module is used for welding objects, the cooling module is used for cooling the welding module, the setting module is used for setting parameters of the welding module, and the welding module, the cooling module and the setting module are all electrically connected to the control terminal.

[0007] As a further solution of the utility model: an automatic welding system, the user terminal includes a setting unit and a storage unit, the setting unit is used by the user terminal to adjust parameters, and the storage unit is used to input and store properties of the object to be welded to the user terminal.

[0008] As a further solution of the utility model: an automatic welding system further includes an automatic calculation module, and the automatic calculation module is used for automatic calculation of welding size and welding path.

[0009] As a further solution of the utility model: an automatic welding system further includes an execution module, and the electric welding module performs welding work through the execution module.

[0010] As a further solution of the utility model: an automatic welding system also includes a clamping module, and the clamping module provides clamping and movement of the welding module and the cooling module.

[0011] As a further solution of the utility model: an automatic welding system further includes a servo module, and the servo module is electrically connected to the clamping module and drives the clamping module to move.

[0012] As a further solution of the utility model: an automatic welding system further includes a braking unit, and the braking unit is used for emergency braking of the equipment and the system.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] This automatic welding system solves the problem of automatic welding of non-standard sheet metal cabinets. Compared with the robot arm combined with the assembly line production operation, it is much more cost-effective and simple. It does not require the teaching system of traditional robot arm automatic welding. The size and welding trajectory of all welds can be obtained by measuring with a tape measure and then input into the system. There are almost no prerequisites for learning, and the knowledge and skills requirements for on-site operators are extremely low, which is more in line with the actual situation of welding masters in sheet metal factories in the current industry.

[0015] The automatic welding system has wide mobility and is not limited to argon arc welding automatic welding. By replacing the welding gun module, for example, replacing it with a laser welding head, it can be directly used for laser automatic welding without making any other changes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a system principle diagram of an automatic welding system of the utility model. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of the present utility model, it should be noted that, for those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0019] Although non-standard sheet metal cabinets have many differences in internal accessories and external specifications, the distribution of welds of different sheet metal cabinets has the same characteristics, that is, they are distributed on the length, width and height of the cabinet body. Determining the length, width and height of the outer dimensions can determine the weld size and welding trajectory. Sheet metal cabinets are placed on the matching automatic welding platform according to certain requirements, so that non-standard sheet metal cabinets can obtain the same world coordinate system, thereby solving the non-standard problem. The coordinate system of this automatic welding system is jointly constructed by the control module and the servo unit to determine a unique coordinate system. By setting the module and the automatic calculation module, the deviation of the two coordinate systems is calibrated, so that the welding gun unit on the execution module can accurately start the arc at a specific position, and extinguish the arc at a specific position after completing the welding along the actual weld movement, thereby completing the entire automatic welding operation.

[0020] In an embodiment of the utility model, an automatic welding system includes a system terminal and a system module, the system terminal includes a user terminal and a control terminal, the user terminal is electrically connected to the control terminal, the system module includes a welding module, a cooling module and a setting module, the welding module is used for welding objects, the cooling module is used for cooling the welding module, the setting module is used for setting parameters of the welding module, and the welding module, the cooling module and the setting module are all electrically connected to the control terminal.

[0021] As other embodiments of the present invention: the control terminal is the electrical infrastructure of the entire system, receiving various external input signals and sending various output signals for external control.

[0022] The user terminal is a portable, simple and convenient external signal input controller for the operator. The electric welding module can use a traditional argon arc welding machine to generate current, voltage and other signals for argon arc welding.

[0023] The cooling module can use a cooling water circulation machine matched with a traditional argon arc welding machine to provide circulating cooling water for the welding machine and welding gun.

[0024] The setting module uses an intelligent touch screen combined with a programmable logic controller to complete the functions and is used to set welding parameters and welding paths.

[0025] As a further solution of the utility model: an automatic welding system, the user terminal includes a setting unit and a storage unit, the setting unit is used by the user terminal to adjust parameters, and the storage unit is used to input and store properties of the object to be welded to the user terminal.

[0026] As another embodiment of the present invention: a setting unit intuitively sets welding parameters and welding paths through an intelligent touch screen.

[0027] The storage unit is programmed inside the system to save the welding dimensions and welding paths of sheet metal cabinets of various sizes in the intelligent touch screen and programmable logic controller.

[0028] As a further solution of the utility model: an automatic welding system further includes an automatic calculation module, and the automatic calculation module is used for automatic calculation of welding size and welding path.

[0029] As other embodiments of the utility model: an automatic calculation module, the user can directly input the length, width, height and door frame dimensions of the sheet metal cabinet to be welded, and through the calculation of the internal program of the intelligent touch screen and the programmable logic controller, the system can simply and quickly know the welding size and welding path.

[0030] As a further solution of the utility model: an automatic welding system further includes an execution module, and the electric welding module performs welding work through the execution module.

[0031] As another embodiment of the present invention: an execution module, through which welding work is performed.

[0032] As a further solution of the utility model: an automatic welding system also includes a clamping module, and the clamping module provides clamping and movement of the welding module and the cooling module.

[0033] As other embodiments of the utility model: a clamping module, the welding gun is clamped on a specially designed welding gun fixture. During the welding process, the fixture automatically adjusts various welding angles under the control of the automatic welding system, so that the welding gun can adapt to complete multi-angle automatic welding work.

[0034] As a further solution of the utility model: an automatic welding system further includes a servo module, and the servo module is electrically connected to the clamping module and drives the clamping module to move.

[0035] As other embodiments of the present invention: the servo module is controlled by the internal program of the automatic welding system, and the servo drives the welding gun clamp to move, thereby driving the welding gun body to move, and accurately positioning to complete the welding operation of sheet metal cabinets of various sizes.

[0036] As a further solution of the utility model: an automatic welding system further includes a braking unit, and the braking unit is used for emergency braking of the equipment and the system.

[0037] As other embodiments of the present invention: a braking unit, preferably, in the event of an unexpected failure, an automatic braking unit or a manual braking unit can promptly control the automatic welding system to stop running, thereby protecting the safety of the system itself and the sheet metal cabinets to be welded.

[0038] The working principle of the utility model is: although non-standard sheet metal cabinets have many differences in internal accessories and external specifications, the distribution of welds of different sheet metal cabinets has the same characteristics, that is, they are distributed on the length, width and height of the cabinet body's external dimensions. Determining the length, width and height of the external dimensions can determine the weld size and welding trajectory. The sheet metal cabinets are placed on a matching automatic welding platform according to certain requirements, so that the non-standard sheet metal cabinets obtain the same world coordinate system, thereby solving the non-standard problem. The coordinate system of this automatic welding system itself is jointly constructed by the control module and the servo unit to determine a unique coordinate system. By setting the module and the automatic calculation module, the deviation of the two coordinate systems is calibrated, so that the welding gun unit on the execution module can accurately start the arc at a specific position, and extinguish the arc at a specific position after completing the welding along the actual weld movement, thereby completing the entire automatic welding operation.

[0039] This automatic welding system solves the problem of automatic welding of non-standard sheet metal cabinets. Compared with the robot arm combined with the assembly line production operation, it is much more cost-effective and simple. It does not require the teaching system of traditional robot arm automatic welding. The size and welding trajectory of all welds can be obtained by measuring with a tape measure and then input into the system. There are almost no prerequisites for learning, and the knowledge and skills requirements for on-site operators are extremely low, which is more in line with the actual situation of welding masters in sheet metal factories in the current industry.

[0040] The automatic welding system has wide mobility and is not limited to argon arc welding automatic welding. By replacing the welding gun module, for example, replacing it with a laser welding head, it can be directly used for laser automatic welding without making any other changes.

[0041] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic welding system, characterized in that: It includes a system terminal and a system module. The system terminal includes a user terminal and a control terminal. The user terminal is electrically connected to the control terminal. The system module includes a welding module, a cooling module and a setting module. The welding module is used for welding objects. The cooling module is used for cooling the welding module. The setting module is used for setting parameters of the welding module. The welding module, the cooling module and the setting module are all electrically connected to the control terminal.

2. An automatic welding system according to claim 1, characterized in that: The user terminal comprises a setting unit and a storage unit. The setting unit is used by the user terminal to adjust parameters, and the storage unit is used to input and store properties of the object to be welded to the user terminal.

3. An automatic welding system according to claim 2, characterized in that: The invention also comprises an automatic calculation module, which is used for automatically calculating welding size and welding path.

4. An automatic welding system according to claim 3, characterized in that: It also includes an execution module, and the electric welding module executes the welding work through the execution module.

5. An automatic welding system according to claim 4, characterized in that: It also includes a clamping module, which provides clamping and movement of the welding module and the cooling module.

6. An automatic welding system according to claim 5, characterized in that: It also includes a servo module, which is electrically connected to the clamping module and drives the clamping module to move.

7. An automatic welding system according to claim 6, characterized in that: It also includes a braking unit, which provides emergency braking for the equipment and system.

Images