CN113909672A - Control system and test platform for friction stir welding process - Google Patents
Control system and test platform for friction stir welding process Download PDFInfo
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- CN113909672A CN113909672A CN202111262019.XA CN202111262019A CN113909672A CN 113909672 A CN113909672 A CN 113909672A CN 202111262019 A CN202111262019 A CN 202111262019A CN 113909672 A CN113909672 A CN 113909672A
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- 238000012360 testing method Methods 0.000 title claims abstract description 139
- 238000003466 welding Methods 0.000 title claims abstract description 104
- 238000003756 stirring Methods 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 47
- 230000001133 acceleration Effects 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000011160 research Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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- Pressure Welding/Diffusion-Bonding (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a control system and a test platform for friction stir welding process, comprising: the system comprises an acquisition card, a data acquisition box, a numerical control system, a control module and an expansion module; the temperature test module and the force test module are respectively connected with the acquisition card, signals of the force test module and the temperature test module are transmitted to the acquisition card, and data acquired by the acquisition card are transmitted to the PC through the data acquisition box for reading, storing and analyzing; the control module and the expansion module are respectively connected with the numerical control system, the process parameter testing module and the power testing module are respectively connected with the control module, the acceleration testing module is connected with the power testing module through the motor testing module, and data collected by the control module are transmitted to the PC through the numerical control system. Each module of the invention is provided with a sensor corresponding to the module, the signal of the sensor is transmitted to a data acquisition card, and a data acquisition case uploads the data acquired by the acquisition card to an upper computer for reading and storing, thereby realizing the real-time monitoring of the test condition of the equipment.
Description
Technical Field
The invention discloses a control system and a test platform for a friction stir welding process, and relates to the technical field of friction stir welding.
Background
Friction stir welding is a new type of solid phase joining technique that has many significant advantages over conventional fusion welding. The friction stir welding equipment is applied to the fields of aerospace, aviation, high-speed rail and the like, and is easier to realize processing automation and intellectualization compared with common fusion welding.
At present, a great deal of research is carried out on friction stir welding equipment and processes, but a control system based on a process test platform is rarely researched. The friction stir welding process is mostly researched by depending on experience and process tests, and no systematic process parameter data analysis and control research exists.
Disclosure of Invention
Aiming at the defects in the background technology, the invention provides a control system and a test platform for a friction stir welding process, so as to realize real-time monitoring and on-line feedback intelligent control of the process and equipment state in the welding process, realize high-performance and intelligent design of friction stir welding equipment and improve the welding quality.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a control system for a friction stir welding process, comprising: the system comprises an acquisition card, a data acquisition box, a numerical control system, a control module and an expansion module; the temperature test module and the force test module are respectively connected with the acquisition card, the acquisition card is connected with the data acquisition box, signals of the force test module and the temperature test module are transmitted to the acquisition card, the data acquired by the acquisition card are transmitted to the PC through the data acquisition box, and the signals are read, stored and analyzed on the PC; the control module and the expansion module are respectively connected with the numerical control system, the process parameter testing module and the power testing module are respectively connected with the control module, the power testing module is connected with the motor testing module, the motor testing module is connected with the acceleration testing module, and data collected by the control module are transmitted to the PC through the numerical control system;
the temperature testing module, the force testing module, the process parameter testing module, the power testing module, the motor testing module, the acceleration testing module, the expansion module and the control module are arranged on the friction stir welding equipment; the friction stir welding apparatus includes: the device comprises a main shaft, a stirring head, a motor and a workbench;
a temperature testing module: the temperature acquisition device is used for acquiring the temperature of the main shaft, the temperature of a welding seam, the temperature of a welded parent metal, the temperature of a workbench and the temperature data of the stirring head;
a force testing module: the device is used for acquiring upsetting force of a main shaft, longitudinal welding feed resistance of a workbench, transverse welding tension of the workbench and axial welding pressure data of the workbench;
the process parameter testing module comprises: the device is used for acquiring the rotating speed of the main shaft, the welding speed when the workbench moves, the inclination angle of the stirring head and the pressing amount data of the stirring head;
the power test module: the motor control system is used for acquiring power, voltage, current and torque data of the motor;
the motor testing module: for controlling the action of the welding equipment;
an acceleration test module: the motor acceleration data acquisition unit is used for acquiring acceleration data of the motor during working;
an expansion module: is used for automatic tool changing control;
a control module: used for processing and controlling various collected data.
Further, the temperature testing module comprises: the spindle temperature sensor is used for measuring the spindle temperature; the welding seam temperature sensor is used for measuring the welding seam temperature; a base material temperature sensor for measuring the base material temperature; the workbench temperature sensor is used for measuring the temperature of the workbench; and the stirring head temperature sensor is used for measuring the temperature of the stirring head.
Further, the force testing module includes: the spindle force sensor is used for acquiring data including the upsetting force of the spindle; the feeding resistance sensor is used for collecting welding feeding resistance; the welding tension sensor is used for acquiring transverse welding tension; and the axial pressure sensor is used for acquiring axial welding pressure of the workbench.
Further, the process parameter testing module comprises: a rotational speed sensor for measuring a rotational speed of the spindle; the feeding speed sensor is used for measuring the welding speed when the workbench moves; the inclination angle sensor is used for measuring the inclination angle of the stirring head; and the pressing amount sensor is used for measuring the pressing amount of the stirring head.
Further, the power test module includes: and the power test voltage sensor is used for acquiring data of power, voltage, current and torque of the motor.
Further, the motor test module includes: and an angle sensor for controlling the operation of the welding equipment.
Further, the acceleration test module includes: and the acceleration sensor on the main shaft acquires acceleration data when the motor works.
Further, the expansion module comprises: and the automatic tool changing device at the left side of the equipment is used for automatic tool changing control of the equipment.
Further, the control module includes: and the electrical test system and the reliability and stability control system on the main shaft are used for controlling the reliability and stability of the equipment.
A test platform for a control system for a friction stir welding process, comprising: friction stir welding apparatus, said friction stir welding apparatus comprising: the stirring device comprises a machine body, a motor, a coupler, a universal joint, a main shaft, a stirring head and a workbench, wherein the motor is connected to the machine body, the motor is connected with the main shaft sequentially through the coupler and the universal joint, the stirring head is arranged at the front end of the main shaft, the workbench is arranged below the stirring head, and a tooling plate is arranged on the workbench;
the main shaft is provided with a power testing voltage sensor, a main shaft force sensor, an acceleration sensor, an angle sensor and a main shaft temperature sensor;
a stirring head temperature sensor is arranged on the stirring head;
a feeding resistance sensor, a welding tension sensor and an axial pressure sensor are arranged between the tooling plate and the workbench;
and a welding seam temperature sensor, a base material temperature sensor, a workbench temperature sensor and a welding tension sensor are distributed on the surface of the workbench.
The temperature test module and the force test module are connected with an acquisition card, the acquisition card is connected with a data acquisition box, signals acquired by the force test module and the temperature test module are transmitted to the acquisition card, the data of the acquisition card is transmitted to a PC of a numerical control system through the data acquisition box, and the signals are read, stored and analyzed on the PC; the power test module is connected with the motor test module, the motor test module is connected with the acceleration test module, the process parameter test module and the power test module are both connected with the control module, data of the control module is transmitted to the PC through the data numerical control system, and the collected data can be displayed at the PC end; the expansion module is arranged in the friction welding equipment and is connected with the numerical control system together with the control module; the control of the friction stir welding process can be realized under the cooperative work of the modules.
Has the advantages that: the test module can realize the experimental study under the process parameters of the friction stir welding, and effective quality analysis can be formed according to the collected characteristics of the process parameters of the welding and the welding quality result; the comprehensive control of force and temperature can realize the friction and wear accelerated test research of the stirring tool and the reliability research of the stirring tool and equipment.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
The device comprises a power test voltage sensor, a 2-stirring head temperature sensor, a 3-spindle force sensor, a 4-acceleration sensor, a 5-angle sensor, a 6-spindle temperature sensor, a 7-welding seam temperature sensor, an 8-base material temperature sensor, a 9-workbench temperature sensor, a 10-welding tension sensor, an 11-axial pressure sensor and a 12-spindle.
Detailed Description
The following describes the embodiments in further detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
One embodiment is shown in FIGS. 1-2: a control system for a friction stir welding process, comprising: the system comprises an acquisition card, a data acquisition box, a numerical control system, a control module and an expansion module; the temperature test module and the force test module are respectively connected with the acquisition card, the acquisition card is connected with the data acquisition box, signals of the force test module and the temperature test module are transmitted to the acquisition card, the data acquired by the acquisition card are transmitted to the PC through the data acquisition box, and the signals are read, stored and analyzed on the PC; the control module and the expansion module are respectively connected with the numerical control system, the process parameter testing module and the power testing module are respectively connected with the control module, the power testing module is connected with the motor testing module, the motor testing module is connected with the acceleration testing module, and data collected by the control module are transmitted to the PC through the numerical control system;
the temperature testing module, the force testing module, the process parameter testing module, the power testing module, the motor testing module, the acceleration testing module, the expansion module and the control module are arranged on the friction stir welding equipment; the friction stir welding apparatus includes: the device comprises a main shaft, a stirring head, a motor and a workbench;
a temperature testing module: the temperature acquisition device is used for acquiring the temperature of the main shaft, the temperature of a welding seam, the temperature of a welded parent metal, the temperature of a workbench and the temperature data of the stirring head;
a force testing module: the device is used for acquiring upsetting force of a main shaft, longitudinal welding feed resistance of a workbench, transverse welding tension of the workbench and axial welding pressure data of the workbench;
the process parameter testing module comprises: the device is used for acquiring the rotating speed of the main shaft, the welding speed when the workbench moves, the inclination angle of the stirring head and the pressing amount data of the stirring head;
the power test module: the motor control system is used for acquiring power, voltage, current and torque data of the motor;
the motor testing module: for controlling the action of the welding equipment;
an acceleration test module: the motor acceleration data acquisition unit is used for acquiring acceleration data of the motor during working;
an expansion module: is used for automatic tool changing control;
a control module: used for processing and controlling various collected data.
The temperature test module includes: the spindle temperature sensor is used for measuring the spindle temperature; the welding seam temperature sensor is used for measuring the welding seam temperature; a base material temperature sensor for measuring the base material temperature; the workbench temperature sensor is used for measuring the temperature of the workbench; and the stirring head temperature sensor is used for measuring the temperature of the stirring head.
The force testing module includes: the spindle force sensor is used for acquiring data including the upsetting force of the spindle; the feeding resistance sensor is used for collecting welding feeding resistance; the welding tension sensor is used for acquiring transverse welding tension; and the axial pressure sensor is used for acquiring axial welding pressure of the workbench.
The process parameter testing module comprises: a rotational speed sensor for measuring a rotational speed of the spindle; the feeding speed sensor is used for measuring the welding speed when the workbench moves; the inclination angle sensor is used for measuring the inclination angle of the stirring head; and the pressing amount sensor is used for measuring the pressing amount of the stirring head.
The power test module includes: and the power test voltage sensor is used for acquiring data of power, voltage, current and torque of the motor.
The motor test module includes: and an angle sensor for controlling the operation of the welding equipment.
The acceleration test module includes: and the acceleration sensor on the main shaft acquires acceleration data when the motor works.
The expansion module comprises: and the automatic tool changing device at the left side of the equipment is used for automatic tool changing control of the equipment.
The control module includes: and the electrical test system and the reliability and stability control system on the main shaft are used for controlling the reliability and stability of the equipment.
A test platform for a friction stir welding process, comprising: friction stir welding apparatus, said friction stir welding apparatus comprising: the stirring device comprises a machine body, a motor, a coupler, a universal joint, a main shaft 12 and a stirring head, wherein the motor is connected to the machine body, the motor is connected with the main shaft sequentially through the coupler and the universal joint, the stirring head is arranged at the front end of the main shaft 12, a workbench is arranged below the stirring head, and a tooling plate is arranged on the workbench;
the main shaft is provided with a power test voltage sensor 1, a main shaft force sensor 3, an acceleration sensor 4, an angle sensor 5 and a main shaft temperature sensor 6,
the stirring head is provided with a stirring head temperature sensor 2,
a welding tension sensor 10 and an axial pressure sensor 11 are arranged between the tooling plate and the workbench,
and a welding seam temperature sensor 7, a base material temperature sensor 8 and a workbench temperature sensor 9 are distributed on the surface of the workbench.
The motor test module and the acceleration test module are connected, data collected by the motor test module and the acceleration test module are transmitted to the power test module, data collected by the power test module and the process parameter test module are transmitted to the control module, data of the control module are transmitted to the PC through the data numerical control system, and the collected data can be displayed at the PC end; temperature test module, power test module all are connected with the acquisition card, and the acquisition card is connected with the data acquisition box, and the signal transmission that power test module and temperature test module gathered reaches the acquisition card, and the signal that the acquisition card can gather includes: force signals of a main shaft force sensor, a feeding resistance sensor, a welding tension sensor and an axial pressure sensor, and temperature signals of a main shaft temperature sensor, a welding seam temperature sensor, a base material temperature sensor, a workbench temperature sensor and a stirring head temperature sensor. The data of the acquisition card is transmitted to a PC of the numerical control system through a data acquisition box, and signals are read, displayed, stored and analyzed on the PC; the expansion module is arranged at a position of the friction stir welding equipment convenient for automatic tool changing of the main shaft and is connected with the numerical control system together with the control module in the control platform; the control of the friction stir welding process can be realized under the cooperative work of the modules.
The test module can realize the experimental study under the process parameters of the friction stir welding, and effective quality analysis can be formed according to the collected characteristics of the process parameters of the welding and the welding quality result; the comprehensive control of force and temperature can realize the friction and wear accelerated test research of the stirring tool and the reliability research of the stirring tool and equipment.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A control system for a friction stir welding process, comprising: the system comprises an acquisition card, a data acquisition box, a numerical control system, a control module and an expansion module; the temperature test module and the force test module are respectively connected with the acquisition card, the acquisition card is connected with the data acquisition box, signals of the force test module and the temperature test module are transmitted to the acquisition card, the data acquired by the acquisition card are transmitted to the PC through the data acquisition box, and the signals are read, stored and analyzed on the PC; the control module and the expansion module are respectively connected with the numerical control system, the process parameter testing module and the power testing module are respectively connected with the control module, the power testing module is connected with the motor testing module, the motor testing module is connected with the acceleration testing module, and data collected by the control module are transmitted to the PC through the numerical control system;
the temperature testing module, the force testing module, the process parameter testing module, the power testing module, the motor testing module, the acceleration testing module, the expansion module and the control module are arranged on the friction stir welding equipment; the friction stir welding apparatus includes: the device comprises a main shaft, a stirring head, a motor and a workbench;
a temperature testing module: the temperature acquisition device is used for acquiring the temperature of the main shaft, the temperature of a welding seam, the temperature of a welded parent metal, the temperature of a workbench and the temperature data of the stirring head;
a force testing module: the device is used for acquiring upsetting force of a main shaft, longitudinal welding feed resistance of a workbench, transverse welding tension of the workbench and axial welding pressure data of the workbench;
the process parameter testing module comprises: the device is used for acquiring the rotating speed of the main shaft, the welding speed when the workbench moves, the inclination angle of the stirring head and the pressing amount data of the stirring head;
the power test module: the motor control system is used for acquiring power, voltage, current and torque data of the motor;
the motor testing module: for controlling the action of the welding equipment;
an acceleration test module: the motor acceleration data acquisition unit is used for acquiring acceleration data of the motor during working;
an expansion module: is used for automatic tool changing control;
a control module: used for processing and controlling various collected data.
2. The control system for a friction stir welding process of claim 1 wherein the temperature testing module comprises:
the spindle temperature sensor is used for measuring the spindle temperature;
the welding seam temperature sensor is used for measuring the welding seam temperature;
a base material temperature sensor for measuring the base material temperature;
the workbench temperature sensor is used for measuring the temperature of the workbench;
and the stirring head temperature sensor is used for measuring the temperature of the stirring head.
3. The control system for a friction stir welding process of claim 1, wherein the force testing module comprises:
the spindle force sensor is used for acquiring data including the upsetting force of the spindle;
the feeding resistance sensor is used for collecting welding feeding resistance;
the welding tension sensor is used for acquiring transverse welding tension;
and the axial pressure sensor is used for acquiring axial welding pressure of the workbench.
4. The control system of claim 1, wherein the process parameter testing module comprises:
a rotational speed sensor for measuring a rotational speed of the spindle;
the feeding speed sensor is used for measuring the welding speed when the workbench moves;
the inclination angle sensor is used for measuring the inclination angle of the stirring head;
and the pressing amount sensor is used for measuring the pressing amount of the stirring head.
5. The control system for a friction stir welding process of claim 1 wherein the power test module comprises: and the power test voltage sensor is used for acquiring data of power, voltage, current and torque of the motor.
6. The control system for a friction stir welding process of claim 1 wherein the motor test module comprises: and an angle sensor for controlling the operation of the welding equipment.
7. The control system for a friction stir welding process of claim 1 wherein the acceleration test module comprises: and the acceleration sensor on the main shaft acquires acceleration data when the motor works.
8. The control system for a friction stir welding process of claim 1 wherein the expansion module comprises: and the automatic tool changing device at the left side of the equipment is used for automatic tool changing control of the equipment.
9. The control system for a friction stir welding process of claim 1 wherein the control module comprises: and the electrical test system and the reliability and stability control system on the main shaft are used for controlling the reliability and stability of the equipment.
10. A test platform based on the control system for friction stir welding process of claim 1, comprising: friction stir welding apparatus, said friction stir welding apparatus comprising: the stirring device comprises a machine body, a motor, a coupler, a universal joint, a main shaft, a stirring head and a workbench, wherein the motor is connected to the machine body, the motor is connected with the main shaft sequentially through the coupler and the universal joint, the stirring head is arranged at the front end of the main shaft, the workbench is arranged below the stirring head, and a tooling plate is arranged on the workbench;
the main shaft is provided with a power testing voltage sensor, a main shaft force sensor, an acceleration sensor, an angle sensor and a main shaft temperature sensor;
a stirring head temperature sensor is arranged on the stirring head;
a feeding resistance sensor, a welding tension sensor and an axial pressure sensor are arranged between the tooling plate and the workbench;
and a welding seam temperature sensor, a base material temperature sensor, a workbench temperature sensor and a welding tension sensor are distributed on the surface of the workbench.
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| CN202111262019.XA CN113909672A (en) | 2021-10-28 | 2021-10-28 | Control system and test platform for friction stir welding process |
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| CN202111262019.XA CN113909672A (en) | 2021-10-28 | 2021-10-28 | Control system and test platform for friction stir welding process |
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| CN101929892A (en) * | 2010-09-26 | 2010-12-29 | 南京航空航天大学 | Online test system of friction stir welding |
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-
2021
- 2021-10-28 CN CN202111262019.XA patent/CN113909672A/en active Pending
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Inventor after: Hu Fengfeng Inventor after: Jia Hepeng Inventor after: Zhang Huade Inventor after: Lin Yongyong Inventor after: Wang Hu Inventor after: Yu Minhua Inventor after: Zhu Zhixiong Inventor before: Hu Fengfeng Inventor before: Jia Hepeng Inventor before: Lin Yongyong Inventor before: Wang Hu Inventor before: Yu Minhua Inventor before: Zhang Huade Inventor before: Zhu Zhixiong |
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Application publication date: 20220111 |