CN215545765U - Friction stir welding system for detecting and feeding back temperature change - Google Patents
Friction stir welding system for detecting and feeding back temperature change Download PDFInfo
- Publication number
- CN215545765U CN215545765U CN202121070262.7U CN202121070262U CN215545765U CN 215545765 U CN215545765 U CN 215545765U CN 202121070262 U CN202121070262 U CN 202121070262U CN 215545765 U CN215545765 U CN 215545765U
- Authority
- CN
- China
- Prior art keywords
- welding
- temperature
- friction stir
- control device
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The utility model provides a friction stir welding system for detecting and feeding back temperature change, which comprises a numerical control system, a welding servo driving system, a welding head component and a temperature control device, wherein the numerical control system is connected with the welding servo driving system; the welding head component comprises a welding head and a stirring tool connected to one end of the welding head; the temperature control device is arranged on the welding head, and one end of the temperature control device is abutted to the stirring tool; the numerical control system is electrically connected with the temperature control device and the welding servo driving system; the welding servo driving system is electrically connected with the welding head assembly. The friction stir welding system can realize real-time acquisition of welding process temperature parameters, so that the change of the welding process parameter temperature is used as one of judgment bases of the quality of a welding seam.
Description
Technical Field
The utility model relates to the technical field of welding, in particular to a friction stir welding system for detecting and feeding back temperature change.
Background
Friction Stir Welding (FSW) has been developed as a new solid phase welding method from technical research to a high level of engineering and industrial application since the united kingdom institute of welding in 1991.
The Friction Stir Welding (FSW) technology is an advanced solid-phase welding method, has low defect rate, small deformation, high efficiency and low cost when welding common light metals such as aluminum alloy, magnesium alloy and the like, and is widely applied to the fields of aviation, aerospace, automobiles, shipbuilding, rail transit and the like.
At present, a friction stir welding system mainly controls parameters such as main shaft rotating speed, welding speed and welding pressure in a welding process, usually ignores temperature change of a welding seam in the welding process, and has the defects of grooves, tunnels and the like due to too low welding temperature; the problems of overheating, material adhesion of welding seam materials, increase of a heat affected zone, reduction of welding seam performance and the like are easily caused due to overhigh welding temperature. At present, a feedback processing system for real-time monitoring signals of a friction stir welding temperature field is also in an initial research stage.
Therefore, it is necessary to develop a friction stir welding system which has low cost and simple operation and can monitor and feed back the temperature change in time.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model mainly aims to provide a friction stir welding system for detecting and feeding back temperature change, wherein the friction stir welding system is provided with a temperature control device on a welding head, and the temperature control device is electrically connected with a numerical control system and a welding servo driving system, so that the friction stir welding system can monitor the temperature change in the welding process in real time, can regulate and control the operation of a welding head assembly in time, realizes the real-time acquisition of temperature parameters in the welding process, and enables the temperature change of the parameters in the welding process to be used as one of judgment bases of the quality of a welding seam.
To achieve the above objects, the present invention provides a friction stir welding system that detects and feeds back temperature changes.
The friction stir welding system for detecting and feeding back temperature changes comprises a numerical control system, a welding servo driving system, a welding head component and a temperature control device; wherein the content of the first and second substances,
the welding head assembly comprises a welding head and a stirring tool connected to one end of the welding head;
the temperature control device is arranged on the welding head, and one end of the temperature control device is abutted to the stirring tool;
the numerical control system is electrically connected with the temperature control device and the welding servo driving system; the welding servo driving system is electrically connected with the welding head assembly.
Furthermore, the welding head assembly further comprises a cutter handle, and the cutter handle is connected between the stirring tool and the end part of one end of the welding head.
Furthermore, the temperature control device comprises a temperature thermocouple, the temperature thermocouple is arranged in the knife handle, one end of the temperature thermocouple is connected to the welding head, and the other end of the temperature thermocouple is abutted to the stirring tool.
Furthermore, a through hole is formed in the tool handle, one end of the temperature thermocouple is fixed on the welding head, and the other end of the temperature thermocouple penetrates through the through hole and is abutted to the stirring tool.
Furthermore, the temperature control device also comprises a temperature sensor for feeding back a temperature signal, and the temperature sensor is matched with the temperature thermocouple.
Furthermore, one end of the handle of a knife pass through the screw with the welding head is connected, be equipped with the pilot hole on the other end of handle of a knife, the stirring instrument pass through the jackscrew with the pilot hole is connected.
Further, the stirring tool is a stirring head or a stirring pin.
Furthermore, the numerical control system comprises a processing module for acquiring a temperature signal, and the processing module is electrically connected with the welding servo driving system.
Further, the welding servo driving system comprises a driving motor and a speed regulator which are electrically connected, and the processing module is electrically connected with the speed regulator.
The utility model has the advantages that:
1. the real-time acquisition of the temperature parameters in the welding process is realized, and the basis of the process parameters is provided for judging the quality of the welding seam.
2. The welding head is provided with a temperature control device, and the temperature control device is electrically connected with the numerical control system and the welding servo driving system, so that the friction stir welding system can monitor the change of temperature in the welding process in real time, and can regulate and control the operation of the welding head component in time.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a block diagram of the connections between the components of a friction stir welding system that detects and feeds back temperature changes in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a welder head assembly and a temperature sensor after assembly according to an embodiment of the utility model.
In the figure:
1. a numerical control system; 2. a welding servo drive system; 3. welding a head assembly; 4. a temperature control device; 5. welding a machine head; 6. a stirring tool; 7. a knife handle; 8. and a temperature thermocouple.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The utility model discloses a friction stir welding system for detecting and feeding back temperature change, which is shown by combining a figure 1 and a figure 2 and comprises a numerical control system 1, a welding servo driving system 2, a welding handpiece component 3 and a temperature control device 4; wherein the content of the first and second substances,
the welding handpiece component 3 comprises a welding handpiece 5 and a stirring tool 6 connected to one end of the welding handpiece 5;
the temperature control device 4 is arranged on the welding head 5, and one end of the temperature control device 4 is abutted with the stirring tool 6;
the numerical control system 1 is electrically connected with the temperature control device 4, and the temperature control device 4 is used for monitoring the temperature change of the stirring tool 6 in the welding process in real time and sending a temperature signal to the numerical control system 1;
the welding servo driving system 2 is electrically connected with the numerical control system 1, and the numerical control system 2 is used for processing the temperature signal, generating an operation instruction and sending the operation instruction to the welding servo driving system 2; the welding servo driving system 2 controls the welding head assembly 3 to execute corresponding operation according to the operation instruction.
In the embodiment, the temperature control device 4 is used for monitoring the temperature change of the stirring tool 6 in the welding process in real time, sending a temperature signal to the numerical control system 1, and the numerical control system 1 can make a judgment in time according to the temperature signal and control the welding head assembly 3 to work through the welding servo driving system 2.
In the embodiment of the present invention, the welding handpiece assembly 3 further includes a handle 7, as shown in fig. 2, the handle 7 and the stirring tool 6 are connected to the same end of the welding handpiece 5, and the handle 7 is connected between the stirring tool 6 and the end of one end of the welding handpiece 5, and the welding handpiece 5 rotates and drives the handle 7 and the stirring tool 6 to work.
As a specific embodiment of the utility model, one end of the handle 7 is connected with the welding head 5 through a screw, the other end of the handle 7 is provided with an assembly hole, and the stirring tool 6 is connected with the assembly hole through a jackscrew.
In the embodiment of the utility model, the temperature control device 4 comprises a temperature thermocouple 8, as shown in fig. 2, the temperature thermocouple 8 is arranged inside the tool shank 7, one end of the temperature thermocouple 8 is connected to the welding head 5, and the other end of the temperature thermocouple 8 is abutted to the stirring tool 6. The temperature thermocouple 8 is used for monitoring the temperature change of the stirring tool 6 in the welding process in real time and feeding back a temperature signal to the numerical control system 1.
As a specific embodiment of the utility model, a through hole is arranged in the tool shank 7, one end of the temperature thermocouple 8 is fixed on the welding head 5, and the other end of the temperature thermocouple 8 penetrates through the through hole and is abutted with the stirring tool 6.
As another specific embodiment of the utility model, a connecting groove is formed inside the welding head 5, and one end of the temperature thermocouple 8 extends into the connecting groove and is clamped with the side wall of the connecting groove; the other end of the temperature thermocouple 8 penetrates through the through hole and is abutted with the stirring tool 6.
In another embodiment of the present invention, the temperature control device 4 further comprises a temperature sensor (not shown), the temperature sensor can be disposed on the stirring tool 6 and also can be disposed on the workpiece to be welded, and the temperature sensor is used for feeding back the temperature change of the workpiece to be welded in the welding process and feeding back the temperature signal to the numerical control system 1; the temperature sensor is matched with the temperature thermocouple 8, so that the temperature monitoring precision and efficiency of the whole friction stir welding system are improved.
In an embodiment of the present invention, the stirring tool 6 may be a stirring head or a stirring pin.
In the embodiment of the utility model, the numerical control system 1 comprises a processing module, the processing module is used for receiving the temperature signal, generating a speed-up instruction or a speed-down instruction according to the temperature signal, and sending the speed-up instruction or the speed-down instruction to the welding servo driving system 2, the welding servo driving system 2 executes corresponding movement according to the speed-up instruction or the speed-down instruction, and meanwhile, the rotating speed of the welding head 5 is correspondingly increased or reduced under the driving action of the welding servo driving system 2.
In the embodiment of the present invention, the welding servo driving system 2 includes a driving motor and a speed regulator electrically connected to each other, and the speed regulator receives the speed increasing command or the speed decreasing command and controls the driving motor to increase the rotation speed or decrease the rotation speed, thereby increasing or decreasing the rotation speed of the welding head 5.
In the embodiment of the utility model, the temperature thermocouple 8 monitors the temperature change of the stirring tool 6 in the welding process in real time and forms a temperature signal; the processing module acquires a temperature signal, analyzes and processes the temperature signal, and executes welding operation according to the original welding process parameters without regulation and control if the temperature value monitored by the temperature thermocouple 8 is within the preset temperature threshold range in the processing module; when the temperature value monitored by the temperature thermocouple 8 is higher than a preset temperature threshold value in the processing module, the processing module generates a speed reduction instruction and sends the speed reduction instruction to the speed regulator, and the speed regulator controls the driving motor to execute corresponding speed reduction movement, so that the rotating speed of the welding head 5 is reduced; and when the temperature value monitored by the temperature thermocouple 8 is lower than the preset temperature threshold value in the processing module, the processing module generates a speed-up instruction and sends the speed-up instruction to the speed regulator, and the speed regulator controls the driving motor to execute corresponding speed-up movement, so that the rotating speed of the welding head 5 is increased.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A friction stir welding system for detecting and feeding back temperature changes is characterized by comprising a numerical control system, a welding servo driving system, a welding head component and a temperature control device; wherein the content of the first and second substances,
the welding head assembly comprises a welding head and a stirring tool connected to one end of the welding head;
the temperature control device is arranged on the welding head, and one end of the temperature control device is abutted to the stirring tool;
the numerical control system is electrically connected with the temperature control device and the welding servo driving system; the welding servo driving system is electrically connected with the welding head assembly.
2. The friction stir welding system with temperature change detection and feedback of claim 1 wherein said welder head assembly further comprises a shank coupled between said stirring tool and an end of said welder head.
3. The friction stir welding system with temperature change detection and feedback of claim 2 wherein the temperature control device comprises a temperature thermocouple disposed within the shank and having one end connected to the bonding tool and the other end abutting the stirring tool.
4. The friction stir welding system for detecting and feeding back temperature changes of claim 3, wherein a through hole is formed in the tool shank, one end of the temperature thermocouple is fixed on the welding head, and the other end of the temperature thermocouple penetrates through the through hole and abuts against the stirring tool.
5. The friction stir welding system with temperature change detection and feedback as recited in claim 3 wherein said temperature control means further comprises a temperature sensor for feeding back a temperature signal, said temperature sensor cooperating with said temperature thermocouple.
6. The friction stir welding system for detecting and feeding back temperature changes according to claim 2, wherein one end of the tool shank is connected with the welding head through a screw, an assembling hole is formed in the other end of the tool shank, and the stirring tool is connected with the assembling hole through a jackscrew.
7. The friction stir welding system for detecting and feeding back temperature changes of claim 1 wherein the stirring tool is a stir head or a stir pin.
8. The friction stir welding system of claim 1 wherein the numerical control system includes a processing module for acquiring a temperature signal, the processing module being electrically connected to the welding servo drive system.
9. The friction stir welding system of claim 8 wherein said welding servo drive system comprises an electrically connected drive motor and a speed regulator, said processing module being electrically connected to said speed regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121070262.7U CN215545765U (en) | 2021-05-18 | 2021-05-18 | Friction stir welding system for detecting and feeding back temperature change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121070262.7U CN215545765U (en) | 2021-05-18 | 2021-05-18 | Friction stir welding system for detecting and feeding back temperature change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215545765U true CN215545765U (en) | 2022-01-18 |
Family
ID=79862037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121070262.7U Active CN215545765U (en) | 2021-05-18 | 2021-05-18 | Friction stir welding system for detecting and feeding back temperature change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215545765U (en) |
-
2021
- 2021-05-18 CN CN202121070262.7U patent/CN215545765U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2168708B1 (en) | Friction stir welding method and system. | |
| US6497355B1 (en) | System for controlling the stirring pin of a friction stir welding apparatus | |
| Chen et al. | Temperature measurement and control of bobbin tool friction stir welding | |
| KR100725217B1 (en) | System and Associated Friction Stir Welding(FSW) Assembly, and Controller for Performing a Friction Stir Welding Operation | |
| JP3471338B2 (en) | Friction stir welding equipment | |
| US6499649B2 (en) | Friction stir welding apparatus | |
| US10265779B2 (en) | Carbon fiber reinforced plastic stack machining method using a monitoring sensor | |
| US20080093420A1 (en) | Process for the Friction-Welding of Components | |
| EP1375050B1 (en) | Machining control method and robot | |
| US11465230B2 (en) | Machine tool | |
| WO2009118948A1 (en) | Deep-hole boring apparatus control system | |
| EP3912756A1 (en) | Machine tool | |
| CN215545765U (en) | Friction stir welding system for detecting and feeding back temperature change | |
| CN215545764U (en) | Friction stir welding system | |
| US11919118B2 (en) | Method for joining or machining and apparatus therefor | |
| CN215545766U (en) | Friction stir welding device capable of feeding back temperature change in real time and friction stir welding system | |
| Dobrinski et al. | Development of an adaptronic spindle for a faultless machining of homogeneous and inhomogeneous materials | |
| JP2003117668A (en) | Friction stirring and welding device | |
| WO2019216121A1 (en) | Servo motor drive device and galvano drive device, and laser machining device | |
| CN216607610U (en) | Constant upsetting force dip-free friction stir welding tool | |
| JP3433637B2 (en) | Friction welding method | |
| JP4671523B2 (en) | Process management method and process management apparatus using friction stirring | |
| JP3166448B2 (en) | Spot welding method | |
| JP2006159217A (en) | Apparatus for friction spot welding | |
| JP2001277075A (en) | Load detecting method and device for cutting tool in machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |