CN116275405A - Intelligent K-TIG welding device and method for low-temperature steel of thin plate - Google Patents
Intelligent K-TIG welding device and method for low-temperature steel of thin plate Download PDFInfo
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Abstract
The invention discloses a K-TIG intelligent welding device and a method for sheet low-temperature steel, which relate to the technical field of welding and comprise a welding platform with an L-shaped structure, wherein a connecting plate is arranged at the upper end of a vertical section of the welding platform, the connecting plate is rotationally connected with the welding platform, one end of the connecting plate, which is far away from the welding platform, extends into the upper part of a horizontal section of the welding platform, a guide rail is arranged below the connecting plate, the guide rail is of a U-shaped double-rail structure with an H-shaped section, one rail of the guide rail is movably provided with a welding device, the other rail is movably provided with an ultrasonic wave transmitting device, and the welding device and the ultrasonic wave transmitting device can be co-rail and/or off-rail; and the welding device and the ultrasonic wave transmitting device are integrated, so that the automation and the intellectualization of the welding process are realized.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a K-TIG intelligent welding device and method for sheet low-temperature steel.
Background
The keyhole type argon tungsten-arc welding (also called as 'keyhole effect argon tungsten-arc welding', 'deep-melting argon tungsten-arc welding', keyhole Tungsten Inert Gas, K-TIG) is a novel keyhole type deep-melting welding method, which mainly utilizes high-energy electric arc generated by larger direct current (current is more than 300A) to realize deep-melting welding, and also generates pinholes similar to those generated by perforating type plasma welding in the K-TIG welding process. The electric arc generated by the welding method has the characteristics of high energy, good stiffness, strong penetrating power and the like. Can be widely applied to one-time welding molding of different sheet materials.
When the K-TIG welding method is adopted for low-temperature steel welding, the welding joint is mainly an as-cast structure due to few welding passes, and the tempering effect of multi-layer multi-pass welding on the previous welding joint is lacked, so that the low-temperature impact performance cannot meet the requirement. Therefore, the device is designed to refine weld grains and improve the low-temperature impact performance of the welded joint. The current K-TIG welding method mainly comprises automatic equipment, has low intelligent degree and can not realize the accurate control of the welding process.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a K-TIG intelligent welding device and method for sheet low-temperature steel.
Preferably, the welding platform comprises a steel frame composed of profile steel, a rotating platform is arranged on the steel frame and used as the upper end of a vertical section of the welding platform, an object placing platform is arranged at the same time and used as the upper end of a horizontal section of the welding platform, a semicircular groove is formed in the surface of the rotating platform, a spherical ball is arranged in the rotating platform and used as a rotating support of a connecting plate, a rotating center is arranged in the middle of the spherical ball, a hole of the connecting plate is formed in the rotating center, a lower fastening piece is arranged at the lower end of the connecting plate, an upper fastening piece is arranged at the upper end of the connecting plate, and the lower fastening piece and the upper fastening piece are both sleeved on the rotating center.
Preferably, the end part of the guide rail is provided with a limiting sheet, and the upper surface of the object placing platform is provided with a positioning sheet.
Preferably, the welding device comprises a moving part, a height adjusting device, a welding gun, a camera module, a welding line detection module and a 5G module, wherein the moving part is arranged on a guide rail, the height adjusting device is arranged on the moving part, the welding gun is arranged on the height adjusting device, the camera is arranged on the moving part and is used for shooting a welding pool, and the welding line detection module is positioned below the moving part and is used for detecting the gap between grooves by adopting a weak ultrasonic wave emission device; the welding line detection module and the camera module are connected with the 5G module in parallel through cables, and the welding device process parameters, groove spacing information acquired by the welding line detection module and molten pool image information acquired by the camera module are transmitted to the centralized control platform in real time through the 5G module.
Preferably, the ultrasonic wave transmitting device comprises a moving part and a 5G module which are the same as the welding device, and further comprises a strong ultrasonic device and a distance detection module, wherein the distance detection module is aligned with the welding device and is used for dynamically monitoring the distance between the ultrasonic wave transmitting device and the welding gun; the strong ultrasonic device refines grains of the molten pool, and the 5G module, the strong ultrasonic device and the distance detection module are all arranged on the moving part.
Preferably, the welding device and the ultrasonic wave transmitting device are provided with rubber vibration damping pads on the opposite surfaces, so that rigid collision damage is avoided when the welding device and the ultrasonic wave transmitting device are contacted.
Preferably, the height and the angle of the strong ultrasonic device are adjusted through the lifting rod and the universal wheel, so that the transmitting head of the strong ultrasonic device is in close contact with the workpiece, and the ultrasonic transmitting device is provided with a braking device which brakes when the ultrasonic transmitting device is within 5cm close to the welding device.
Preferably, the strong ultrasonic device mainly comprises an ultrasonic generator, a transducer, an amplitude transformer and an ultrasonic probe, 50 Hz and 60Hz currents are converted into high-frequency electric energy through the ultrasonic generator, the electric energy is converted into mechanical vibration with the same frequency through the transducer (inverse piezoelectric effect), then the mechanical motion is transmitted to the ultrasonic probe through the amplitude transformer device capable of changing the amplitude, and the ultrasonic probe transmits the received vibration energy to the welding seam.
Preferably, the centralized control device further comprises a welding device parameter setting module, an ultrasonic device parameter setting module, a molten pool monitoring module and a welding process data centralized control library, wherein the welding device parameter setting module can set parameters such as the moving speed, the welding current, the welding voltage, the gas flow, whether wire feeding is carried out or not of the welding device according to the welding process database, and the related parameters are transmitted to the welding device through the 5G module; the ultrasonic device parameter setting module is used for setting the moving speed of the ultrasonic device, the frequency and the power of ultrasonic waves, and transmitting related parameters to the ultrasonic transmitting device through the 5G module; the molten pool monitoring module comprises a real-time display module, an image recognition module and an information storage module, wherein the image transmission information transmitted from the camera module is received through a 5G signal and displayed on the real-time display module, the image recognition module can be used for carrying out dynamic analysis on the welding quality of the molten pool by combining a welding process database, and the information storage module can be used for carrying out real-time monitoring on the molten pool and recording images on a hard disk.
A K-TIG intelligent welding method for sheet low-temperature steel comprises the following steps:
step 1: preparing a low-temperature steel sheet and a welding material, wherein the thickness of the low-temperature steel sheet is not more than 10mm, a welding groove is an I-shaped groove, and the welding material is a tungsten argon arc welding wire matched with the low-temperature steel;
step 2: assembling the low-temperature steel sheets, wherein the gap between the grooves for assembling is smaller than 2mm, and performing assembling and welding by adopting TIG welding;
step 3: and carrying out K-TIG and ultrasonic auxiliary welding, welding based on a low-temperature steel sheet K-TIG intelligent welding device, adjusting related parameters, ensuring that the propagation of ultrasonic waves can enter a molten pool, and enhancing the action of the ultrasonic waves on the molten pool. Aiming at different low-temperature steel materials, welding process parameters and ultrasonic emission frequency are adjusted to achieve the effect of refining grains by ultrasonic waves;
step 4: the TIG welding is adopted for cover face welding, and the adopted welding process is as follows: the welding current is 100-120A, the arc voltage is 16-18V, the welding speed is 10-20cm/min, and the welding gun swings for 2 mm.
Compared with the prior art, the invention has the beneficial effects that:
1) The novel K-TIG intelligent welding device is designed, and is simple in structure and convenient to operate; the welding device and the strong ultrasonic device are integrated, and the grains of the welding joint are thinned through the strong ultrasonic device, so that the low-temperature impact performance of the low-temperature steel welding joint is ensured;
2) The invention innovates a centralized control device, realizes the remote setting and dynamic collection of welding parameters and ultrasonic parameters, and avoids arc light injury possibly caused by close contact between operators and equipment; meanwhile, the 5G module is adopted to transmit the data in real time, so that signal transmission such as equipment parameter setting and control instructions is efficient and quick, the instantaneity of equipment operation is guaranteed, and equipment movement barriers possibly caused by wiring are avoided;
3) The welding device and the ultrasonic device are positioned on the same track, so that the positions of the welding device and the ultrasonic device can be flexibly adjusted, and the welding of various forms such as long straight welding lines, girth welding lines and the like can be satisfied.
4) An automatic welding parameter control algorithm and a moving speed control algorithm are built in, so that the automation and digitization level of the welding process is realized.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a system diagram of an ultrasonic transmitter of the present invention;
FIG. 3 is a chart of automatic frequency tracking control of an ultrasonic transmitter;
FIG. 4 is a functional architecture diagram of a centralized control device;
FIG. 5 is a 5G signal interaction diagram;
FIG. 6 is a weld process feedback control logic;
fig. 7 is a schematic view of an ultrasonic probe.
In the figure, 1, a rotating platform, 2, a rotating center, 3, a lower fastening piece, 4, a ball, 5, a camera module, 6, a steel frame, 7, a storage platform, 8, a locating plate, 9, a welding gun, 10, a height adjusting device, 11, a welding seam detection module, 12, a limiting plate, 13, a strong ultrasonic device, 14, a distance detection module, 15, 5G modules, 16, a moving piece, 17, a guide rail, 18, a connecting plate, 19 and an upper fastening piece.
Detailed Description
The technical scheme of the invention is described in detail below through the drawings, but the protection scope of the invention is not limited to the embodiments.
Please refer to fig. 1 to 7, a thin plate low temperature steel K-TIG intelligent welding device, including the welding platform that is the L type structure, connecting plate 18 is installed to the upper end of the vertical section of welding platform, connecting plate 18 is connected with the welding platform rotation, the one end that welding platform was kept away from to connecting plate 18 stretches into the top of welding platform horizontal segment and is provided with guide rail 17 in the below of connecting plate 18, guide rail 17 is the U-shaped double track structure of section for the H type, the activity is provided with welding set on one of them track of guide rail 17, and the activity is provided with ultrasonic emission device on another track, welding set and ultrasonic emission device can be with rail and/or different rail.
In the invention, the welding platform comprises a steel frame 6 composed of profile steel, the steel frame 6 is composed of transverse profile steel and longitudinal profile steel, channel steel or H-shaped profile steel is adopted, the profile steel is selected by theoretical calculation or finite element analysis mode based on self weight, device weight and the like, the profile steel is connected by welding, the steel frame 6 is provided with a rotary platform 1 serving as the upper end of a vertical section of the welding platform, the rotary platform 1 is a steel plate with the thickness of about 2cm and is positioned on the steel frame 6, a placement platform 7 serving as the upper end of a horizontal section of the welding platform is simultaneously arranged, the placement platform 7 is a steel plate with the thickness of about 1cm and is positioned on the steel frame 6, a locating piece 8 is arranged at the near end and the far end of the upper surface of the placement platform 7 and is used for locating a base material placement butt joint position, a semicircular groove is formed in the surface of the rotary platform 1, a spherical ball 4 serving as a rotary support of a connecting plate 18 is arranged in the middle of the rotary center 2, a hole of the connecting plate 18 is arranged on the rotary center 2, the lower end of the connecting plate 18 is provided with a lower end 3, a fastening piece 19 is arranged on the upper end of the connecting plate 18 and a lower end of the connecting plate 3 is provided with a fastening piece 19, and a fastening piece 19 is arranged in the rotary center is arranged in the track of the track device and is arranged on the track of the ultrasonic wave device and is arranged on the end of the track device and is in the track of the track device and is used for preventing the ultrasonic wave device from being separated from the track.
In addition, the welding device comprises a moving part 16, a height adjusting device 10, a welding gun 9, a camera module 5, a welding line detection module 11 and a 5G module, wherein the moving part 16 is arranged on a guide rail 17, the height adjusting device 10 is arranged on the moving part 16, the welding gun 9 is arranged on the height adjusting device 10, the camera module 5 is arranged on the moving part 16 and is used for shooting a welding pool, and the welding line detection module 11 is arranged below the moving part 16 and is used for detecting the gap between grooves by adopting a weak ultrasonic wave emission device; the welding device comprises a welding device, a welding line detection module 11, a camera module 5, a centralized control platform, a rubber vibration reduction pad, a central control platform, a welding device and an ultrasonic emission device, wherein the 5G module is integrated on the moving part 16, the welding line detection module 11 and the camera module 5 are connected with the 5G module in parallel through cables, technological parameters of the welding device, groove spacing information acquired by the welding line detection module 11 and molten pool image information acquired by the camera module 5 are transmitted to the centralized control platform in real time through the 5G module, and the rubber vibration reduction pad is arranged on the opposite surface of the welding device and the ultrasonic emission device, so that rigid collision damage is avoided when the welding device and the ultrasonic emission device are contacted.
The ultrasonic wave transmitting device comprises a moving part 16 and a 5G module 15 which are the same as the welding device, and further comprises a strong ultrasonic device 13 and a distance detection module 14, wherein the distance detection module 14 is aligned with the welding device and dynamically monitors the distance between the ultrasonic wave transmitting device and the welding gun 9; the strong ultrasonic device 13 refines the crystal grains of the molten pool, and the 5G module 15, the strong ultrasonic device 13 and the distance detection module 14 are all arranged on the moving part 16, in the technical scheme, the moving part 16 is arranged on the guide rail 17 and positioned behind the welding gun 9 or aligned with the welding gun 9. The distance detection module 14 is aligned with the welding device and dynamically monitors the distance between the ultrasonic wave transmitting device and the welding gun 9; the strong ultrasonic device 13 refines crystal grains of the molten pool. The height and the angle of the strong ultrasonic device 13 are adjusted through the lifting rod and the universal wheel, so that the transmitting head of the ultrasonic transmitting device is in close contact with the workpiece, and the strong ultrasonic device can adapt to welding requirements of different scenes. The ultrasonic wave transmitting device is provided with a braking (emergency) device, emergency braking is carried out when the ultrasonic wave transmitting device is within 5cm close to the welding device, and rigid collision between the ultrasonic wave transmitting device and the welding device is avoided when equipment is in fault; the 5G module 15 receives information such as frequency, power, moving speed and the like transmitted from the centralized control platform, and transmits parameters such as current of the ultrasonic wave transmitting device, frequency and amplitude of the ultrasonic wave and the like to the centralized control platform in real time, and displays the parameters in real time.
The strong ultrasonic device 13 mainly comprises an ultrasonic generator, a transducer, an amplitude transformer and an ultrasonic probe, 50 Hz and 60Hz currents are converted into high-frequency electric energy through the ultrasonic generator, the electric energy is converted into mechanical vibration with the same frequency through the transducer (inverse piezoelectric effect), then the mechanical motion is transmitted to the ultrasonic probe through the amplitude transformer device capable of changing the amplitude, and the ultrasonic probe transmits the received vibration energy to a welding seam, so that the workpiece generates the same-frequency resonance, and the purpose of grain refinement is achieved. The strong ultrasonic device 13 is wrapped by adopting nonflammable materials with good heat insulation performance, such as asbestos plates or organic silicon and glass fibers, and the like, so that the damage caused by heat transfer from high-temperature welding seams to ultrasonic elements is avoided.
In the actual welding process, along with the change of working conditions such as external temperature, material rigidity, load and the like, the change of system parameters is caused, so that the resonant frequency of an ultrasonic system with maximum efficiency output drifts, the resonant frequency of a transducer is changed, the change possibly reduces the vibration amplitude of the working surface of the transducer, and the processing efficiency is reduced, so that the resonant frequency of the transducer must be tracked in real time. Aiming at the instantaneous or slow change form of the resonant frequency change of the transducer under different situations, a compound tracking method is adopted: the instantaneous frequency tracking adopts a phase-locked tracking mode, and the resonant frequency drift of the transducer caused by poor temperature and performance consistency is tracked by current feedback, so that the defects of easy lock loss and low current feedback type response speed of the phase-locked tracking are overcome by integrating the advantages of various frequency tracking methods, and the frequency tracking is more reliable. The automatic control is carried out through the PLC arranged on the centralized control platform, the ultrasonic output frequency is shifted according to the frequency of the ultrasonic probe and the frequency after the temperature of the welding head is raised due to long-time welding of products, the false change of the frequency after the welding head compresses the products is carried out, the ambient temperature is assisted, the ultrasonic output frequency is automatically tracked, the equipment is ensured to work at an optimal frequency point, and when the welding device and the ultrasonic transmitting device are in the same track, the long-weld welding and grain refinement are realized.
In the invention, when the welding device and the ultrasonic wave transmitting device are positioned on the two tracks, the girth welding and the grain refinement are realized. When the welding device and the ultrasonic wave transmitting device are positioned on the same track, the welding device firstly welds based on a preset moving distance and a preset moving speed; and the ultrasonic wave transmitting device moves according to a preset speed when the delay time is designated. When the girth weld is required to be welded, the ultrasonic wave transmitting device is adjusted to an adjacent track through the rail changing device, and the ultrasonic wave transmitting device and the welding device are simultaneously aligned to the girth weld.
The invention also comprises a centralized control device, wherein the centralized control device comprises a welding device parameter setting module, an ultrasonic device parameter setting module, a molten pool state display ultrasonic module and a welding process database.
And (3) combining the welding process evaluation results to establish a welding process database comprising material types and specifications, welding current, arc voltage, welding speed, gas flow, assembly gap, wire feeding or not, molten pool images and the like.
According to the welding process database, setting parameters such as the moving speed, welding current, welding voltage, gas flow, wire feeding or not of the welding device through a welding device parameter setting module, transmitting relevant parameters to the welding device through a 5G module, and dynamically displaying real-time parameters such as the current, the voltage and the like of the welding device;
setting the moving speed of the ultrasonic device, the frequency and the power of ultrasonic waves based on the ultrasonic device parameter setting module, and transmitting related parameters to the ultrasonic transmitting device through the 5G module; meanwhile, the automatic frequency tracking module of the transducer is arranged, and the natural frequency tracking of the transducer and the output frequency adjustment of the generator under different conditions are realized by adopting a mode of combining current feedback tracking and phase-locked tracking. Setting a motion speed interlocking device, ensuring that the moving speed of an ultrasonic device is less than or equal to the moving speed of a welding device, and when the moving speed of the welding device is less than the moving speed of the ultrasonic device, failing to set, a molten pool monitoring module comprising a real-time display module, an image recognition module and an information storage module, receiving image transmission information transmitted from a camera through a 5G signal, displaying the image transmission information on the display module, allowing an operator to observe the state of a molten pool of a welding seam, monitoring and recording the molten pool in real time, and storing the image in a hard disk; based on the image recognition module, the welding process database is combined to dynamically analyze the welding quality of the molten pool, and the quality problem is marked on the image.
The 5G-based signaling flow is shown in fig. 5. The welding device, the ultrasonic device and the centralized control device perform information interaction through the gateway and the 5G base station by adopting modules,
and dynamically detecting the groove spacing through a weak ultrasonic device on the welding device, and transmitting data to a centralized control platform in real time. And comparing and analyzing the groove spacing with a preset spacing standard value and an allowable deviation by the platform, continuing welding when the deviation is within the allowable range of the limit value, comparing the groove spacing with a set spacing when the deviation exceeds the allowable range of the limit value, reducing the current if the deviation is larger than the set spacing, otherwise increasing the current, and simultaneously calling a molten pool monitoring function to mark the part possibly having quality problems based on an image recognition technology and a welding process database. Repeating the above process until the groove welding is completed.
The method comprises the following steps:
step 1: preparing a low-temperature steel sheet and a welding material, wherein the thickness of the low-temperature steel sheet is not more than 10mm, the welding groove is in an I-shaped groove, and the welding material is a tungsten argon arc welding wire matched with the low-temperature steel.
Step 2: and assembling the low-temperature steel sheets, wherein the gap between the grooves for assembling is smaller than 2mm, and performing assembling and welding by adopting TIG welding.
Step 3: and carrying out K-TIG and ultrasonic auxiliary welding, welding based on a low-temperature steel sheet K-TIG intelligent welding device, adjusting related parameters, ensuring that the propagation of ultrasonic waves can enter a molten pool, and enhancing the action of the ultrasonic waves on the molten pool. Aiming at different low-temperature steel materials, the welding process parameters and the ultrasonic emission frequency are adjusted, so that the effect of refining grains by ultrasonic waves is achieved.
Step 4: the TIG welding is adopted for cover face welding, and the adopted welding process is as follows: the welding current is 100-120A, the arc voltage is 16-18V, the welding speed is 10-20cm/min, and the welding gun 9 swings for 2 mm.
As above, although the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A sheet low temperature steel K-TIG intelligent welding device which is characterized in that: including the welding platform that is L type structure, the connecting plate is installed to the upper end of the vertical section of welding platform, the connecting plate rotates with welding platform to be connected, welding platform's one end is kept away from to the connecting plate stretches into the top of welding platform horizontal segment and is provided with the guide rail in the below of connecting plate, the guide rail is the U-shaped double track structure of section for the H type, the activity is provided with welding set on one of them track of guide rail, and the activity is provided with ultrasonic emission device on another track, welding set and ultrasonic emission device can with rail and/or abnormal rail.
2. The intelligent welding device for the low-temperature steel K-TIG of the thin plate according to claim 1, wherein the intelligent welding device is characterized in that: the welding platform comprises a steel frame composed of profile steel, a rotating platform is arranged on the steel frame and used as the upper end of a vertical section of the welding platform, an object placing platform is arranged at the upper end of a horizontal section of the welding platform, a semicircular groove is formed in the surface of the rotating platform, spherical balls are arranged in the semicircular groove and used as rotary supports of connecting plates, rotary centers are arranged in the middle of the spherical balls, holes in the connecting plates are formed in the rotary centers, lower fasteners are arranged at the lower ends of the connecting plates, upper fasteners are arranged at the upper ends of the connecting plates, and the lower fasteners and the upper fasteners are all sleeved on the rotary centers.
3. The intelligent welding device for the low-temperature steel K-TIG of the thin plate according to claim 1, wherein the intelligent welding device is characterized in that: the end part of the guide rail is provided with a limiting piece, and the upper surface of the object placing platform is provided with a positioning piece.
4. A sheet cryogenic steel K-TIG intelligent welding device as defined in claim 3, wherein: the welding device comprises a moving part, a height adjusting device, a welding gun, a camera module, a welding line detection module and a 5G module, wherein the moving part is arranged on a guide rail, the height adjusting device is arranged on the moving part, the welding gun is arranged on the height adjusting device, the camera is arranged on the moving part and used for shooting a welding pool, and the welding line detection module is positioned below the moving part and adopts a weak ultrasonic wave emission device for detecting the gap between grooves; the welding line detection module and the camera module are connected with the 5G module in parallel through cables, and the welding device process parameters, groove spacing information acquired by the welding line detection module and molten pool image information acquired by the camera module are transmitted to the centralized control platform in real time through the 5G module.
5. The intelligent welding device for the low-temperature steel K-TIG of the thin plate, which is characterized in that: the ultrasonic wave transmitting device comprises a moving part and a 5G module which are the same as the welding device, and further comprises a strong ultrasonic device and a distance detection module, wherein the distance detection module is aligned with the welding device and is used for dynamically monitoring the distance between the ultrasonic wave transmitting device and the welding gun; the strong ultrasonic device refines grains of the molten pool, and the 5G module, the strong ultrasonic device and the distance detection module are all arranged on the moving part.
6. The intelligent welding device for the low-temperature steel K-TIG of the thin plate according to claim 5, wherein the intelligent welding device is characterized in that: the rubber vibration damping pad is arranged on the opposite surface of the welding device and the ultrasonic wave transmitting device, so that rigid collision damage is avoided when the welding device and the ultrasonic wave transmitting device are contacted.
7. The intelligent welding device for the low-temperature steel K-TIG of the thin plate according to claim 6, wherein the intelligent welding device is characterized in that: the height and the angle of the strong ultrasonic device are adjusted through the lifting rod and the universal wheel, so that the transmitting head of the strong ultrasonic device is in close contact with the workpiece, and the ultrasonic transmitting device is provided with a braking device which brakes when the ultrasonic transmitting device is within 5cm close to the welding device.
8. The intelligent welding device for the low-temperature steel K-TIG of the thin plate, which is characterized in that: the strong ultrasonic device mainly comprises an ultrasonic generator, a transducer, an amplitude transformer and an ultrasonic probe, 50 Hz and 60Hz currents are converted into high-frequency electric energy through the ultrasonic generator, the electric energy is converted into mechanical vibration with the same frequency through the transducer (inverse piezoelectric effect), then the mechanical motion is transmitted to the ultrasonic probe through the amplitude transformer device capable of changing the amplitude, and the ultrasonic probe transmits the received vibration energy to a welding seam.
9. The intelligent welding device for the low-temperature steel K-TIG of the thin plate according to claim 8, wherein: the welding device parameter setting module can set parameters such as the moving speed, the welding current, the welding voltage, the gas flow, whether wire feeding is carried out or not, and the like of the welding device, and the relevant parameters are transmitted to the welding device through the 5G module; the ultrasonic device parameter setting module is used for setting the moving speed of the ultrasonic device, the frequency and the power of ultrasonic waves, and transmitting related parameters to the ultrasonic transmitting device through the 5G module; the molten pool monitoring module comprises a real-time display module, an image recognition module and an information storage module, wherein the image transmission information transmitted from the camera module is received through a 5G signal and displayed on the real-time display module, the image recognition module can be used for carrying out dynamic analysis on the welding quality of the molten pool by combining a welding process database, and the information storage module can be used for carrying out real-time monitoring on the molten pool and recording images on a hard disk.
10. The intelligent K-TIG welding method for the sheet low-temperature steel is characterized by comprising the following steps of:
step 1: preparing a low-temperature steel sheet and a welding material, wherein the thickness of the low-temperature steel sheet is not more than 10mm, a welding groove is an I-shaped groove, and the welding material is a tungsten argon arc welding wire matched with the low-temperature steel;
step 2: assembling the low-temperature steel sheets, wherein the gap between the grooves for assembling is smaller than 2mm, and performing assembling and welding by adopting TIG welding;
step 3: carrying out K-TIG and ultrasonic auxiliary welding, welding based on a low-temperature steel sheet K-TIG intelligent welding device, adjusting related parameters, ensuring that ultrasonic wave propagation can enter a molten pool, and enhancing the action of ultrasonic waves on the molten pool;
aiming at different low-temperature steel materials, welding process parameters and ultrasonic emission frequency are adjusted to achieve the effect of refining grains by ultrasonic waves;
step 4: the TIG welding is adopted for cover face welding, and the adopted welding process is as follows: the welding current is 100-120A, the arc voltage is 16-18V, the welding speed is 10-20cm/min, and the welding gun swings for 2 mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116921817A (en) * | 2023-09-15 | 2023-10-24 | 中建安装集团有限公司 | Automatic TIG welding arc concentration on-line monitoring and intelligent early warning method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435064A (en) * | 2008-12-08 | 2009-05-20 | 清华大学 | High sound intensity ultrasonic processing apparatus for metal and alloy solidification and processing method thereof |
| CN205363024U (en) * | 2015-12-14 | 2016-07-06 | 苏州大学 | Supersound is reinforceed hybrid welding and is connect equipment |
| CN108406057A (en) * | 2018-06-11 | 2018-08-17 | 河北工业大学 | A kind of ultrasonic wave added cobalt-base alloys-nickel-base alloy argon tungsten-arc welding device and method |
| CN210615542U (en) * | 2019-09-16 | 2020-05-26 | 海空智能装备(西安)有限公司 | Annular hangs duplex position robot welding gas holder workstation |
| CN215238446U (en) * | 2021-07-02 | 2021-12-21 | 上海雅跃智能科技有限公司 | Intelligent tubular pile welding system based on BIM |
| CN114453709A (en) * | 2022-02-22 | 2022-05-10 | 中国计量大学 | Robot welding site intelligent monitoring system based on edge calculation |
| CN114714355A (en) * | 2022-04-14 | 2022-07-08 | 广州东焊智能装备有限公司 | Embedded vision tracking control system of autonomous mobile welding robot |
| CN114769988A (en) * | 2022-05-23 | 2022-07-22 | 中国铁建重工集团股份有限公司 | Welding control method and system, welding equipment and storage medium |
-
2023
- 2023-05-22 CN CN202310572753.9A patent/CN116275405B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435064A (en) * | 2008-12-08 | 2009-05-20 | 清华大学 | High sound intensity ultrasonic processing apparatus for metal and alloy solidification and processing method thereof |
| CN205363024U (en) * | 2015-12-14 | 2016-07-06 | 苏州大学 | Supersound is reinforceed hybrid welding and is connect equipment |
| CN108406057A (en) * | 2018-06-11 | 2018-08-17 | 河北工业大学 | A kind of ultrasonic wave added cobalt-base alloys-nickel-base alloy argon tungsten-arc welding device and method |
| CN210615542U (en) * | 2019-09-16 | 2020-05-26 | 海空智能装备(西安)有限公司 | Annular hangs duplex position robot welding gas holder workstation |
| CN215238446U (en) * | 2021-07-02 | 2021-12-21 | 上海雅跃智能科技有限公司 | Intelligent tubular pile welding system based on BIM |
| CN114453709A (en) * | 2022-02-22 | 2022-05-10 | 中国计量大学 | Robot welding site intelligent monitoring system based on edge calculation |
| CN114714355A (en) * | 2022-04-14 | 2022-07-08 | 广州东焊智能装备有限公司 | Embedded vision tracking control system of autonomous mobile welding robot |
| CN114769988A (en) * | 2022-05-23 | 2022-07-22 | 中国铁建重工集团股份有限公司 | Welding control method and system, welding equipment and storage medium |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116921817A (en) * | 2023-09-15 | 2023-10-24 | 中建安装集团有限公司 | Automatic TIG welding arc concentration on-line monitoring and intelligent early warning method |
| CN116921817B (en) * | 2023-09-15 | 2023-12-15 | 中建安装集团有限公司 | Automatic TIG welding arc concentration on-line monitoring and intelligent early warning method |
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