Upper computer system for digital automatic welding platform

Abstract

An upper computer system for a digital automatic welding platform comprises a fence, an electrical cabinet, a robot control cabinet, a six-axis robot, a two-axis positioner, a welding power source and an argon tank are arranged in the fence, the welding power source and the argon tank are connected with a digital welding machine, an upper computer is arranged outside the fence, and a PLC is installed in the electrical cabinet. The robot control cabinet is connected with the welding power source, the six-axis robot, the two-axis positioner and the PLC, and an arc voltage controller is arranged on the digital welding machine. A wire feeding disc and a wire feeding machine are arranged on the two sides of the six-axis robot, an arc pressure controller executing mechanism used for being connected with and controlling the arc pressure controller is arranged on the six-axis robot, and the welding gun is arranged at the front end of the arc pressure controller executing mechanism. A flexible welding tool is arranged on the two-axis positioner; the fence is further provided with a monitoring displayer and a camera, and the upper computer is provided with a displayer and a record output instrument. The system effectively solves the problems of low intelligence, single function, difficulty in data tracing in the welding process and the like in the welding process.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent control, in particular to a host computer system for a digital automatic welding platform. Background Art

[0002] The existing welding platform mainly uses a robot teaching pendant to calibrate and position the welding points, adjust the position of the positioner with buttons, and manually set the welding process parameters of the welding power supply. After the welding power supply parameters, position of the positioner, and manipulator position are adjusted, welding can be started using the robot teaching pendant.

[0003] However, there are the following shortcomings: the existing automatic welding platform has low intelligence, cumbersome operation, and reliance on manual operation. It is easily affected by the operator's skills and experience, which in turn affects the welding quality and stability; the system has a single function and can only realize basic control functions, lacking flexibility and scalability; the data processing capacity is limited, and it is unable to process and trace large amounts of data, affecting the optimization and improvement of the production process; at the same time, there is a lack of real-time monitoring, and it is impossible to monitor the key parameters of the welding process in real time, resulting in the inability to track abnormal welding processes. Utility Model Content

[0004] The technical problem solved by the present invention is to provide a host computer system for a digital automatic welding platform to solve the problems in the above-mentioned background technology.

[0005] The technical problem solved by the present invention is achieved by the following technical solutions:

[0006] A host computer system for a digital automatic welding platform includes a host computer, an electrical cabinet, a fence, a robot control cabinet, a welding power supply, an argon tank, an arc voltage controller, a six-axis robot, a two-axis positioner, a welding flexible tooling, a monitoring display, a camera, a switch, a display, a PLC controller and a digital welder. The electrical cabinet, the robot control cabinet, the welding power supply, the argon tank, the six-axis robot, the two-axis positioner and the digital welder are arranged inside the fence, the host computer is arranged outside the fence, the PLC controller is installed in the electrical cabinet, the robot control cabinet is connected to the welding power supply, the six-axis robot, the two-axis positioner and the PLC controller respectively, the welding power supply is connected to the digital welder, and the arc voltage controller is arranged on the digital welder , the argon tank is connected to the digital welder; a wire feeding reel is provided on one side of the six-axis robot, and a wire feeder is provided on the other side of the six-axis robot. The six-axis robot is provided with an arc voltage controller actuator for connecting to control the arc voltage controller, and the welding gun is provided at the front end of the arc voltage controller actuator, and the welding gun and the wire feeder are respectively connected to the digital welder; the two-axis positioner is provided with a positioner tail frame for installing the welding flexible tooling, and the welding flexible tooling, the six-axis robot, the two-axis positioner, and the digital welder are respectively connected to the PLC controller; a monitoring display and a camera are also provided on the fence, and a display is provided on the host computer. The monitoring display, camera, PLC controller, six-axis robot, and digital welder are connected to the host computer through a switch.

[0007] In the present invention, a recording output instrument and a barcode scanning gun are provided on the host computer.

[0008] In the utility model, a safety grating and an in-position switch are installed on the fence.

[0009] In the utility model, a tooling plate is provided on the two-axis positioner.

[0010] In the present invention, a gas flow sensor is installed on the argon tank, and the gas flow sensor is connected to a PLC controller for controlling the flow of argon gas in the argon tank.

[0011] In the present invention, the monitoring display is connected to the switch via a high-definition video cable.

[0012] In the present invention, the six-axis robot and the two-axis positioner are connected to the PLC controller via the ProfitNet bus.

[0013] In the present invention, the operation interface of the display is divided into a visual homepage interface, a product process interface, a user management interface, a device management interface and a historical information interface.

[0014] In the utility model, a cooling water tank is provided on one side of the digital welding machine for cooling the temperature of the welding gun.

[0015] Beneficial effects: The utility model effectively solves the problems of low welding efficiency and difficult management caused by low operation intelligence, single function and difficulty in tracing welding process data during the welding process; it is easy to operate and powerful in function, and can realize digitalization, visual management and production traceability of production processes. The upper computer system can directly monitor the welding site, thereby improving work efficiency, reducing costs and realizing automated and intelligent production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of a preferred embodiment of the present utility model.

[0017] Figure 2 It is a front view of a preferred embodiment of the present utility model.

[0018] Figure 3 This is a schematic diagram of the connection between the PLC controller and the host computer in the preferred embodiment of the present utility model.

[0019] Figure 4 This is a schematic diagram of the operating interface in a preferred embodiment of the present utility model.

[0020] Figure 5 This is a schematic diagram of the digital automatic welding process of a preferred embodiment of the present utility model. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below with reference to specific illustrations.

[0022] See also Figures 1 to 5A host computer system for a digital automatic welding platform includes a host computer 1, a safety grating 2, an in-position switch 3, an electrical cabinet 4, a fence 5, a robot control cabinet 6, a welding power supply 7, a cooling water tank 8, an argon tank 9, an arc voltage controller 10, a wire feeder 11, a six-axis robot 12, a positioner tailstock 13, a welding flexible tooling 14, a two-axis positioner 15, a tooling plate 16, a robot base 17, a welding gun 18, an arc voltage controller actuator 19, a monitoring display 20, a camera 21, a switch 22, a display 23, a record output instrument 24, and a barcode scanner. 25, PLC controller 26, gas flow sensor 27, digital welding machine 28 and wire feeder 29, wherein a safety grating 2 and an in-position switch 3 are installed on the fence 5, an electrical cabinet 4, a robot control cabinet 6, a welding power supply 7, a cooling water tank 8, an argon tank 9, a six-axis robot 12, a two-axis positioner 15 and a digital welding machine 28 are arranged inside the fence 5, a host computer 1 is arranged outside the fence 5, a PLC controller 26 is installed in the electrical cabinet 4, and the robot control cabinet 6 is connected to the welding power supply 7, the six-axis robot 12, the two-axis positioner 15 and the PLC controller 26 respectively. The power supply 7 is connected to the digital welding machine 28, the digital welding machine 28 is provided with an arc voltage controller 10, and the argon tank 9 is connected to the digital welding machine 28; a six-axis robot 12 is installed on the robot base 17, a wire feeding disc 11 is provided on one side of the six-axis robot 12, a wire feeder 29 is provided on the other side of the six-axis robot 12, an arc voltage controller actuator 19 for connecting to control the arc voltage controller 10 is provided on the six-axis robot 12, a welding gun 18 is provided at the front end of the arc voltage controller actuator 19, and the welding gun 18 and the wire feeder 29 are respectively connected to the digital welding machine 28; a two-axis positioner 15 It is provided with a positioner tail frame 13 and a tooling plate 16 for installing the welding flexible tooling 14. The welding flexible tooling 14, the safety grating 2, the in-position switch 3, the six-axis robot 12, the two-axis positioner 15, and the digital welder 28 are respectively connected to the PLC controller 26; the fence 5 is also provided with a monitoring display 20 and a camera 21, and the host computer 1 is provided with a display 23, a recording output instrument 24 and a barcode scanner 25. The monitoring display 20, the camera 21, the PLC controller 26, the six-axis robot 12, and the digital welder 28 are connected to the host computer 1 through the switch 22.

[0023] In this embodiment, the safety grating 2 is used to detect whether there are people entering or exiting during the welding process. If there are people entering or exiting, the welding is stopped to protect the safety of the people; the in-place switch 3 is used to fix and close the sliding door of the fence 5. When the sliding door is in the open state, welding operations cannot be carried out to protect the safety of the people.

[0024] In this embodiment, a gas flow sensor 27 is installed on the argon tank 9 . The gas flow sensor 27 is connected to a PLC controller 26 for controlling the flow of argon gas in the argon tank 9 .

[0025] In this embodiment, the monitoring display 20 is connected to the switch 22 via a high-definition video cable.

[0026] In this embodiment, the six-axis robot 12 and the two-axis positioner 15 are connected to the PLC controller 26 via the ProfitNet bus.

[0027] In this embodiment, mounting holes spaced at a certain interval are provided on the tooling plate 16 to facilitate the installation of welding flexible tooling 14 of different specifications.

[0028] In this embodiment, the host computer 1 designs the operation interface of the display 23 according to specific functions, wherein the operation interface is divided into a visual homepage interface, a product process interface, a user management interface, an equipment management interface and a historical information interface. The interface functions are intuitive and easy to understand. Through the host computer 1, it is possible to control or set parameters of the equipment of any welding platform; the host computer 1 has the functions of personnel authority management, welding task management, welding process parameter monitoring, welding site video monitoring, parameter archiving, historical information query, historical information output, welding parameter over-limit alarm, personnel management, etc.; the host computer 1 can write and modify control programs and algorithms according to user needs, and is compatible with a variety of hardware devices and communication protocols. It realizes more control and monitoring functions through intelligent control technology and industrial Internet technology, thereby improving the programmability and flexibility of the welding platform.

[0029] The host computer 1 has the function of real-time monitoring of data during the welding process. After the task information is confirmed, the operation interface of the host computer 1 displays the welding process parameter setting value and equipment status, and can control the start-up of the robot and positioner. After the equipment is started, the welding parameters (current, voltage, wire feed speed, gas flow, etc.) can be displayed in real time. During the welding process, through big data analysis technology, abnormal signals are extracted, and welding parameters are analyzed and processed. It can be judged in advance whether it is an abnormal welding process and preliminary opinions can be given, which is beneficial to the optimization and improvement of the production process and realizes remote management and intelligent production of the automatic welding platform.

[0030] In this embodiment, the PLC controller 26 is a Siemens S7-1200 PLC, the six-axis robot 12 is an ABB IRB2600 welding robot, the digital welding machine 28 is a Fronius welding machine, and the host computer 1 is connected to the Siemens S7-1200. PLC communication enables the collection of welding parameters and equipment status signals of the ABB IRB2600 welding robot and the Fronius welder, the issuance of welding task information, and production task management, production data monitoring, alarming, archiving and traceability. The PLC controller 26 and switch 22 are then set to the same IP address as the host computer 1. The host computer 1 sends parameters (drawing number, process number, robot program name, segment number, angle, JOB, etc.) to the PLC controller 26 via industrial Internet technology, and performs read and write operations on the PLC controller 26 via the S7 protocol. During the welding process, current, voltage, gas flow, wire speed, and positioner angle parameters are read in real time. The arc voltage controller 10 control loop monitors the real-time voltage between the welding gun 18 and the workpiece during welding, and controls the distance between the welding gun 18 and the workpiece by adjusting the arc voltage controller actuator 19 to maintain arc voltage stability. The recorder output instrument 24 is used to record the execution status of each welding task, ensuring traceability of welding task execution process data.

[0031] Host computer 1 can achieve:

[0032] (1) Data collection

[0033] a. Collect processing data of ABB IRB2600 welding robot (positioner angle);

[0034] b. Collect real-time welding data of Fronius welder;

[0035] c. Collect and display the safety signals of safety grating 2 and limit switch 3;

[0036] d. Collect status signals of ABB IRB2600 welding robots and Fronius welding machines;

[0037] e. Collect on-site surveillance video;

[0038] f. Collect the protective gas flow data at the shielding gas input, output and parts back;

[0039] (2) Data presentation

[0040] a. Display equipment status signal, real-time welding current, voltage, wire feed speed, and gas flow parameter curve;

[0041] b. Display the scheduled inspection time of the equipment and remind the equipment to be inspected;

[0042] c. Display the historical welding task completion rate;

[0043] d. The monitoring display shows the production site monitoring video in real time;

[0044] (3) Task start

[0045] a. Manually enter the work order QR code information or scan the QR code with a barcode scanner 25 to automatically obtain the information of the parts to be welded (task number, drawing number);

[0046] b. Manually select the part process number on the operation interface to confirm that the process information is correct;

[0047] c. Segment number, angle, JOB number, voltage, current, wire feeding speed and welding speed are automatically mapped and displayed;

[0048] d. Click Send Parameters, confirm that the parameters are correct, and then send the parameters to the Siemens S7-1200 PLC;

[0049] (4) Process management

[0050] a. Add, delete, query and modify part information, welding process parameters and welding process parameters;

[0051] b. Import and export parts, processes, and process information tables from EXCEL;

[0052] c. Copy function of drawing number part information;

[0053] (5) Alarm function

[0054] a. Prompt and record equipment alarms;

[0055] b. Prompt and record any current exceeding the limit during welding (records are displayed in the form of exceeding limit rate);

[0056] c. Alarm prompt: a pop-up window will pop up when the device alarm occurs;

[0057] d. Historical task record query: query the current and voltage over-limit ratio, operator, and drawing number information;

[0058] (6) Data storage

[0059] a. Store parts information, production information, personnel information, and surveillance videos in the database and server hard disk;

[0060] b. Use disk array to store key information in the production process simultaneously;

[0061] c. Historical data query;

[0062] d. Function of outputting historical production data in paper form.

[0063] The above shows and describes the main features and functions of the present invention. The present invention is not limited to the above functions. Various changes and improvements are possible without departing from the spirit and scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A host computer system for a digital automatic welding platform, comprising a host computer, an electrical cabinet, a fence, a robot control cabinet, a welding power supply, an argon gas tank, an arc voltage controller, a six-axis robot, a two-axis positioner, a welding flexible tooling, a monitoring display, a camera, a switch, a display, a record output instrument, a PLC controller, and a digital welding machine, characterized in that: An electrical cabinet, robot control cabinet, welding power supply, argon tank, six-axis robot, two-axis positioner and digital welder are installed inside the fence. A host computer is installed outside the fence. The host computer is equipped with a display and a record output instrument. A PLC controller is installed in the electrical cabinet. The robot control cabinet is connected to the welding power supply, six-axis robot, two-axis positioner and PLC controller respectively. The welding power supply is connected to the digital welder. The digital welder is equipped with an arc voltage controller. The argon tank is connected to the digital welder. A wire feeder is installed on one side of the six-axis robot and a wire feeder is installed on the other side of the six-axis robot. The six-axis robot is provided with an arc voltage controller actuator for connecting to control the arc voltage controller, the welding gun is arranged at the front end of the arc voltage controller actuator, and the welding gun and wire feeder are respectively connected to the digital welder; the two-axis positioner is provided with a positioner tail frame for installing the welding flexible tooling, the welding flexible tooling, the six-axis robot, the two-axis positioner, and the digital welder are respectively connected to the PLC controller; a monitoring display and a camera are also provided on the fence, and the monitoring display, camera, PLC controller, six-axis robot, and digital welder are connected to the host computer through a switch.

2. The host computer system for a digital automatic welding platform according to claim 1, characterized in that: The host computer is equipped with a barcode scanner.

3. The host computer system for a digital automatic welding platform according to claim 1, characterized in that: Safety gratings and position switches are installed on the fence.

4. The host computer system for a digital automatic welding platform according to claim 1, characterized in that: A tooling plate is provided on the two-axis positioner.

5. The host computer system for a digital automatic welding platform according to claim 1, characterized in that: A gas flow sensor is installed on the argon tank, and the gas flow sensor is connected to the PLC controller.

6. The host computer system for a digital automatic welding platform according to claim 1, characterized in that: The operating interface of the display is divided into a visual homepage interface, a product process interface, a user management interface, a device management interface and a historical information interface.

7. The host computer system for a digital automatic welding platform according to claim 1, characterized in that: A cooling water tank is provided on one side of the digital welding machine.

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