Welding methods, apparatus and systems

Abstract

This application provides a welding method, apparatus, and system. The welding method includes: controlling a dual-wire feeding motor to synchronously feed a first welding wire and a second welding wire to the base material based on set welding parameters, performing dual-wire welding; after a filler wire trigger condition is met, obtaining the actual wire feeding speed of the dual-wire feeding motor; determining a filler wire speed based on the actual wire feeding speed; and controlling a filler wire motor to feed a third welding wire below the first and second welding wires at the filler wire speed, thereby increasing the deposition rate during welding, improving the welding efficiency of dual-wire welding, and enhancing its applicability.

Description

Technical Field

[0001] This application relates to the field of welding technology, and in particular to a welding method, apparatus and system. Background Technology

[0002] With the development of welding technology, gas metal arc welding (GMAW) has become a widely used welding technique. Traditional GMAW uses a single-wire welding method. Due to the limited diameter of the welding wire, the maximum deposition rate of single-wire welding is currently about 13 kg / hour, which can no longer meet the needs of high-efficiency welding.

[0003] To further improve welding efficiency, a dual-wire welding method was proposed, which uses two welding wires simultaneously to improve deposition efficiency and thus welding efficiency. However, even though the dual-wire welding method can improve welding efficiency, the improvement is relatively limited and cannot meet the demand for higher welding efficiency.

[0004] Therefore, how to improve the welding efficiency of twin-wire welding has become a technical problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0005] To address the problem of improving the welding efficiency of twin-wire welding, this application provides a welding method, apparatus, and system.

[0006] In a first aspect, embodiments of this application provide a welding method, which includes: controlling a dual-wire feeding motor to synchronously feed a first welding wire and a second welding wire to a welding base material based on set welding parameters, and performing dual-wire welding; after the filler wire triggering condition is met, obtaining the actual wire feeding speed of the dual-wire feeding motor; determining the filler wire speed based on the actual wire feeding speed; and controlling the filler wire motor to feed a third welding wire below the first welding wire and the second welding wire at the filler wire speed.

[0007] In one possible implementation, after controlling the dual-wire feeding motor to synchronously feed the first and second welding wires to the welding base material, the method further includes: detecting the actual welding current; when the actual welding current is detected to be greater than or equal to a preset current threshold, determining that the wire filling trigger condition is met.

[0008] In one possible implementation, after controlling the dual-wire feeding motor to synchronously feed the first welding wire and the second welding wire to the welding base material, the method further includes: timing the wire feeding time of the dual-wire feeding motor; when the wire feeding time is greater than or equal to a first preset time, determining that the wire filling trigger condition is met.

[0009] In one possible implementation, determining the filling speed based on the actual wire feeding speed includes: calculating and generating the filling speed based on the actual wire feeding speed and a preset ratio; the ratio of the filling speed to the actual wire feeding speed is the preset ratio.

[0010] In one possible implementation, controlling the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed includes: controlling the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed, and outputting hot wire current to the third welding wire.

[0011] In one possible implementation, controlling the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed includes: controlling the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed in a wire pulling manner.

[0012] In one possible implementation, controlling the wire feeding motor to feed a third welding wire below the first and second welding wires at the wire feeding speed includes: controlling the wire feeding motor to feed the third welding wire below the first and second welding wires at the wire feeding speed in a wire pulling manner, and outputting hot wire current to the third welding wire.

[0013] In one possible implementation, the number of the wire-feeding motors is multiple; controlling the wire-feeding motors to feed a third welding wire below the first welding wire and the second welding wire at the wire-feeding speed includes: controlling all the wire-feeding motors to synchronously feed their respective third welding wires below the first welding wire and the second welding wire at the wire-feeding speed.

[0014] Secondly, embodiments of this application also provide a welding apparatus, which includes: a first control module, configured to control a dual-wire feeding motor to synchronously feed a first welding wire and a second welding wire to the welding base material based on set welding parameters, for dual-wire welding; an acquisition module, configured to acquire the actual wire feeding speed of the dual-wire feeding motor after the wire filling trigger condition is met; a determination module, configured to determine the wire filling speed based on the actual wire feeding speed; and a second control module, configured to control a wire filling motor to feed a third welding wire below the first welding wire and the second welding wire at the wire filling speed.

[0015] In one possible implementation, the device further includes: a detection module for detecting the actual welding current; when the actual welding current is detected to be greater than or equal to a preset current threshold, it is determined that the filler wire triggering condition is met.

[0016] In one possible implementation, the device further includes: a timing module for timing the wire feeding time of the dual-wire feeding motor; when the wire feeding time is greater than or equal to a first preset time, it is determined that the wire filling trigger condition is met.

[0017] In one possible implementation, the determining module is used to determine the filling speed based on the actual wire feeding speed, specifically: the determining module is used to: calculate and generate the filling speed based on the actual wire feeding speed and a preset ratio; the ratio of the filling speed to the actual wire feeding speed is the preset ratio.

[0018] In one possible implementation, the second control module is used to control the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed. Specifically, the second control module is used to control the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed, and to output hot wire current to the third welding wire.

[0019] In one possible implementation, the second control module is used to control the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed. Specifically, the second control module is used to control the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed in a wire pulling manner.

[0020] In one possible implementation, the second control module is used to control the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed. Specifically, the second control module is used to control the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed in a wire pulling manner, and to output hot wire current to the third welding wire.

[0021] In one possible implementation, the number of the wire feeding motors is multiple; the second control module is used to control the wire feeding motors to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed, specifically: the second control module is used to control all the wire feeding motors to synchronously feed their respective third welding wires below the first welding wire and the second welding wire at the wire feeding speed.

[0022] Thirdly, embodiments of this application also provide a welding system, which includes: a dual-wire feeding motor, a filler wire motor, a dual-wire power supply, and a filler wire power supply; the dual-wire power supply is used to: control the dual-wire feeding motor to synchronously feed a first welding wire and a second welding wire to the welding base material based on set welding parameters, to perform dual-wire welding; after the filler wire triggering condition is met, obtain the actual wire feeding speed of the dual-wire feeding motor; determine the filler wire speed based on the actual wire feeding speed; and send the filler wire speed to the filler wire power supply; the filler wire power supply is used to: receive the filler wire speed sent by the dual-wire power supply; and control the filler wire motor to feed a third welding wire below the first welding wire and the second welding wire at the filler wire speed.

[0023] Fourthly, embodiments of this application also provide a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the method described in the first aspect.

[0024] Fifthly, embodiments of this application also provide a computer-readable storage medium storing a computer program for performing the method described in the first aspect.

[0025] This application provides a welding method, apparatus, and system. This method allows for determining whether a filler wire triggering condition is met during twin-wire welding. Once the condition is met, a suitable filler wire speed is determined based on the actual wire feeding speed of the twin-wire feeding motor. Then, according to this filler wire speed, a third welding wire is placed below the two welding wires in the twin-wire welding process. This increases the deposition rate during welding, improves the welding efficiency of twin-wire welding, and enhances its applicability. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of a welding system provided in an embodiment of this application.

[0028] Figure 2 This is a schematic flowchart of a welding method provided in an embodiment of this application.

[0029] Figure 3 This is a structural block diagram of a welding apparatus provided in an embodiment of this application.

[0030] Figure 4This is a structural block diagram of a computer device provided in an embodiment of this application. Detailed Implementation

[0031] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. Through these descriptions, the features and advantages of the present application will become clearer and more apparent.

[0032] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments. Although various aspects of embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated otherwise.

[0033] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.

[0034] To facilitate understanding, the application scenarios of the technical solution in this application will be introduced first.

[0035] With the development of welding technology and the continuous improvement of welding demands, people are increasingly requiring higher welding efficiency. Gas metal arc welding (GMAW) is one of the most commonly used welding processes today, offering advantages such as high efficiency, fast welding speed, deep penetration, minimal welding deformation, flexibility in various welding positions, and open arc operation, facilitating observation of the molten pool and arc. However, GMAW currently predominantly employs single-wire welding, with the welding wire diameter typically... With a maximum cladding thickness of approximately 13 kg / hour, single-wire welding, despite its excellent welding results, is increasingly unable to meet users' demands for high-efficiency welding. To further improve cladding efficiency, dual-wire welding has emerged, with single-power dual-wire welding being one such example. Compared to traditional single-wire welding, single-power dual-wire welding offers faster welding speeds, higher cladding thickness, and superior weld performance.

[0036] Single-power dual-wire welding utilizes a single power source and a dual-wire wire feeder to simultaneously feed and melt two welding wires. The two wires are connected by a "liquid bridge," forming a larger molten droplet and a single electric arc for welding. Compared to single-wire arc welding, single-power dual-wire welding produces a wider arc column and more uniform heat distribution, effectively reducing undercut and welding hot cracking tendencies, and improving the overall mechanical properties of the weld.

[0037] Compared to traditional single-wire welding, single-power dual-wire welding can achieve up to 150% of the maximum cladding volume at rated power, demonstrating a significant advantage in improving cladding efficiency. However, limitations in the output power of the welding power source make it difficult to further enhance welding efficiency.

[0038] Based on this, in order to further improve the welding efficiency of twin-wire welding and meet the demand for higher welding efficiency, this application provides a welding method, apparatus, and system. In this method, during the twin-wire welding process, it can be determined whether the wire-filling trigger condition is met. After the wire-filling trigger condition is met, a suitable wire-filling speed can be determined based on the actual wire feeding speed of the twin-wire wire feeding motor. Then, according to this wire-filling speed, a third welding wire is filled below the two welding wires in the twin-wire welding process, thereby increasing the deposition amount in the welding process, improving the welding efficiency of twin-wire welding, and enhancing its applicability.

[0039] The welding method provided in this application can be applied to... Figure 1 The welding system shown. Figure 1 This is a schematic diagram of a welding system provided in an embodiment of this application. Figure 1 As shown, the welding system may include a dual-wire feeding motor 101, a dual-wire power supply 102, a first conductive nozzle 103, a wire filling motor 104, a wire filling power supply 105, and a second conductive nozzle 106.

[0040] The dual-wire feeding motor 101 is used to simultaneously feed two welding wires to the welding base material 107. For easy distinction, the two welding wires fed simultaneously by the dual-wire feeding motor 101 to the welding base material 107 are respectively referred to as the first welding wire and the second welding wire. The dual-wire power supply 102 is used to simultaneously output welding voltage to the first welding wire and the second welding wire through the first conductive nozzle 103, and to control the first conductive nozzle 103 to drive the first welding wire and the second welding wire to perform dual-wire welding on the welding base material 107.

[0041] The wire-filling motor 104 is used to output a third welding wire below the first and second welding wires for wire filling. The wire-filling power supply 105 is used to output voltage to the third welding wire through the second conductive nozzle 106, thereby increasing the hot wire current on the third welding wire, and controlling the second conductive nozzle 106 to drive the third welding wire to fill the wire below the first and second welding wires during the dual-wire welding process.

[0042] The functions or roles of the various components of the welding system can be found in the following embodiments, and will not be described in detail here.

[0043] The welding method provided in the embodiments of this application will be described below with reference to the accompanying drawings.

[0044] See Figure 2 , Figure 2 This is a schematic flowchart illustrating a welding method provided in an embodiment of this application. This method can be applied to terminal equipment or a controller installed in a welding system. The following example uses a controller installed in a welding system (hereinafter referred to as the controller). For instance, the controller can be... Figure 1 The dual-wire power supply 102, etc., shown are examples illustrating embodiments of this application. Figure 2 As shown, the method may include the following steps:

[0045] Step S101: Based on the set welding parameters, control the dual-wire feeding motor to synchronously feed the first welding wire and the second welding wire to the welding base material to perform dual-wire welding.

[0046] Optionally, the set welding parameters may include set welding voltage, set welding current, set wire feed speed, and set welding speed, etc. It should be understood that the set welding parameters may also include more or fewer parameters than those listed above, depending on the needs of the actual application scenario, and this application does not impose any limitations on this.

[0047] It should be noted that this application does not limit the welding method of twin-wire welding. During twin-wire welding, pulse welding, short-circuit welding, a combination of pulse welding and short-circuit welding, or other existing welding methods may be used.

[0048] Step S102: After the filling trigger condition is met, obtain the actual wire feeding speed of the dual-wire feeding motor.

[0049] In one possible implementation, after the controller controls the dual-wire wire feeding motor to synchronously feed the first and second welding wires to the welding base material, it can detect the actual welding current during the dual-wire welding process in real time. When the detected actual welding current is greater than or equal to a preset current threshold, the controller can determine that the wire feeding trigger condition is met. Optionally, the preset current threshold can be set according to the needs of the actual application scenario. For example, the preset current threshold can be set to 5A (Amperes).

[0050] In one possible implementation, after the controller controls the dual-wire feeding motor to synchronously feed the first and second welding wires to the welding base material, it can also time the wire feeding duration of the dual-wire feeding motor. When the wire feeding duration of the dual-wire feeding motor is greater than or equal to a first preset duration, the controller can determine that the wire filling trigger condition is met. Optionally, the first preset duration can be set according to the needs of the actual application scenario.

[0051] In one possible implementation, after the controller controls the dual-wire wire feeding motor to synchronously feed the first and second welding wires to the welding base material, it can also detect the actual welding current during the dual-wire welding process in real time. When the actual welding current reaches a preset current threshold, a timer is started. After a second preset time period has elapsed since the actual welding current reached the preset current threshold, the controller can determine that the wire filling trigger condition has been met. Optionally, the second preset time period can be set according to the needs of the actual application scenario.

[0052] It should be noted that other filling trigger conditions can be set according to the needs of actual application scenarios, and this application does not impose any restrictions on this.

[0053] In one possible implementation, when the controller determines that the wire feeding trigger condition is met, it can obtain the current actual wire feeding speed of the dual-wire feeding motor, and then perform subsequent wire feeding control based on this actual wire feeding speed. In this application scenario, the actual wire feeding speed of the dual-wire feeding motor only needs to be obtained once before the welding ends, making the control relatively simple.

[0054] In one possible implementation, after the controller determines that the wire feeding trigger condition is met, it can also acquire the actual wire feeding speed of the dual-wire feeding motor in real time. Subsequent wire feeding control can then be performed based on this real-time wire feeding speed. In this application scenario, subsequent wire feeding control can be adjusted in real time according to the actual wire feeding speed of the dual-wire feeding motor, resulting in more precise control, higher welding efficiency, and better welding effects.

[0055] Step S103: Determine the filling speed based on the actual wire feeding speed.

[0056] In one possible implementation, the filling speed is determined based on the actual wire feeding speed of the dual-wire feeding motor. This can be achieved as follows: the filling speed is calculated based on the actual wire feeding speed and a preset ratio. The ratio of the filling speed to the actual wire feeding speed is equal to the preset ratio. Optionally, the preset ratio can be set according to the needs of the actual application scenario, as long as it ensures that insufficient filling is not caused by a slow filling speed, or that wire binding and / or arc instability is not caused by a fast filling speed. For example, the preset ratio can be set to any value between 30% and 40%, i.e., the preset ratio belongs to [30%, 40%].

[0057] Optionally, in application scenarios where the actual wire feeding speed of the dual-wire feeding motor is obtained only when the wire feeding trigger condition is met, the wire feeding speed can be calculated and generated based on the actual wire feeding speed and a preset ratio. Subsequently, wire feeding control is performed based on this wire feeding speed.

[0058] Optionally, in application scenarios where the actual wire feeding speed of the dual-wire feeding motor is obtained in real time after the wire feeding triggering condition is met, the wire feeding speed corresponding to each actual wire feeding speed can be calculated based on the real-time obtained actual wire feeding speed and the preset ratio, and subsequent wire feeding control can be performed based on the wire feeding speed calculated in real time.

[0059] Step S104: Control the wire feeding motor to feed the third welding wire below the first welding wire and the second welding wire at the wire feeding speed.

[0060] In one possible implementation, controlling the wire feeding motor to feed a third welding wire below the first and second welding wires at the wire feeding speed can be achieved as follows: controlling the wire feeding motor to feed a third welding wire below the first and second welding wires at the wire feeding speed, and outputting hot wire current to the third welding wire.

[0061] Optionally, the specific value of the hot wire current can be set according to the requirements of the actual application scenario. For example, the specific value of the hot wire current can be less than 150A. For instance, the specific value of the hot wire current can be set to 140A. After outputting the hot wire current to the third welding wire, the third welding wire can be heated, increasing the melting speed of the third welding wire, increasing the deposition amount in the welding process, and thus improving the welding efficiency.

[0062] In one possible implementation, controlling the wire feeding motor to feed the third welding wire below the first and second welding wires at the wire feeding speed can also be implemented as follows: the wire feeding motor is controlled to feed the third welding wire below the first and second welding wires at the wire feeding speed in a drawing / pulling manner. That is, the wire feeding motor is controlled to feed the third welding wire below the first and second welding wires at the wire feeding speed in an alternating drawing and pulling (or wire feeding or wire exiting) manner.

[0063] Optionally, parameters such as the duration and wire feeding speed of the wire drawing and wire pulling processes can be set according to the needs of the actual application scenario, as long as the speed of the third welding wire fed below the first and second welding wires is equal to the wire filling speed. In other words, this application does not limit the specific implementation of the wire drawing and wire pulling processes.

[0064] By drawing the wires, the third welding wire is fed below the first and second welding wires. The molten pool can be repeatedly stirred by vibration, which can eliminate welding defects such as porosity, refine the grains, and thus improve the welding effect.

[0065] In one possible implementation, the wire feeding motor is controlled to feed the third welding wire below the first welding wire and the second welding wire at the wire feeding speed. It can also be implemented in the following way: the wire feeding motor is controlled to feed the third welding wire below the first welding wire and the second welding wire at the wire feeding speed in a wire pulling manner, and hot wire current is output to the third welding wire.

[0066] This approach not only improves welding efficiency but also enhances welding quality, making it more versatile.

[0067] In one possible implementation, there can be multiple filler motors. Based on this, controlling the filler motors to feed the third welding wire below the first and second welding wires at the filler speed can also be achieved by controlling all filler motors to synchronously feed their respective third welding wires below the first and second welding wires at the filler speed. This implementation can further increase the deposition rate, thereby further improving welding efficiency.

[0068] In one possible implementation, when there are multiple filler motors, the filler motors are controlled to feed a third welding wire below the first and second welding wires at the filler speed. Alternatively, this can be achieved by controlling all filler motors to synchronously feed their respective third welding wires below the first and second welding wires at the filler speed, and by outputting hot wire current to each third welding wire. It should be noted that the hot wire currents of different third welding wires can be the same or different; this application does not impose any limitation on this. This implementation can further improve welding efficiency.

[0069] In one possible implementation, when there are multiple filler motors, the filler motors are controlled to feed a third welding wire below the first and second welding wires at the filler speed. Alternatively, it can be implemented by controlling all filler motors to synchronously feed their respective third welding wires below the first and second welding wires at the filler speed, in a wire-pulling manner. This implementation can further improve the welding effect.

[0070] In one possible implementation, when there are multiple filler motors, the filler motors are controlled to feed a third welding wire below the first and second welding wires at the filler speed. Alternatively, this can be achieved by controlling all filler motors to synchronously feed their respective third welding wires below the first and second welding wires at the filler speed, and by outputting hot wire current to each third welding wire, in a wire-pulling manner. This implementation can further improve both welding efficiency and welding effect.

[0071] The welding method provided in this application embodiment can determine whether the wire filling trigger condition is met during the double-wire welding process. After the wire filling trigger condition is met, the appropriate wire filling speed can be determined according to the actual wire feeding speed of the double-wire wire feeding motor. Then, according to the wire filling speed, a third welding wire is filled below the two welding wires in the double-wire welding, thereby increasing the deposition amount in the welding process, improving the welding efficiency of double-wire welding, and making it more applicable.

[0072] It is understood that the above embodiments are merely examples, and modifications can be made to the above embodiments in actual implementation. Those skilled in the art will understand that any modifications to the above embodiments that do not require creative effort fall within the protection scope of this application, and will not be described in detail in the embodiments.

[0073] Based on the same inventive concept, this application also provides a welding apparatus and a welding system. Since the principle of the welding apparatus and welding system in solving the problem is similar to that of the aforementioned welding method, the implementation of the welding apparatus and welding system can refer to the implementation of the aforementioned welding method, and the repeated parts will not be described again.

[0074] See Figure 3 , Figure 3 This is a structural block diagram of a welding apparatus provided in an embodiment of this application. Figure 3 As shown, the welding device 300 may include: a first control module 301, an acquisition module 302, a determination module 303, and a second control module 304. Among them,

[0075] The first control module 301 is used to control the dual-wire wire feeding motor to synchronously feed the first welding wire and the second welding wire to the welding base material based on the set welding parameters, so as to perform dual-wire welding.

[0076] The acquisition module 302 is used to acquire the actual wire feeding speed of the dual-wire feeding motor after the wire feeding trigger condition is met.

[0077] The determining module 303 is used to determine the filling speed based on the actual wire feeding speed.

[0078] The second control module 304 is used to control the wire feeding motor to feed the third welding wire below the first welding wire and the second welding wire at the wire feeding speed.

[0079] In one possible implementation, the welding device 300 further includes: a detection module for detecting the actual welding current; when the actual welding current is detected to be greater than or equal to a preset current threshold, it is determined that the filler wire triggering condition is met.

[0080] In one possible implementation, the welding device 300 further includes a timing module for timing the wire feeding time of the dual-wire feeding motor; when the wire feeding time is greater than or equal to a first preset time, it is determined that the wire filling trigger condition is met.

[0081] In one possible implementation, the determining module 303 is used to determine the filling speed based on the actual wire feeding speed, specifically: the determining module 303 is used to: calculate and generate the filling speed based on the actual wire feeding speed and a preset ratio; the ratio of the filling speed to the actual wire feeding speed is the preset ratio.

[0082] In one possible implementation, the second control module 304 is used to control the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed. Specifically, the second control module 304 is used to control the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed, and to output hot wire current to the third welding wire.

[0083] In one possible implementation, the second control module 304 is used to control the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed. Specifically, the second control module 304 is used to control the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed in a wire pulling manner.

[0084] In one possible implementation, the second control module 304 is used to control the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed. Specifically, the second control module 304 is used to control the wire feeding motor to feed a third welding wire below the first welding wire and the second welding wire at the wire feeding speed in a wire pulling manner, and to output hot wire current to the third welding wire.

[0085] In one possible implementation, the number of the wire feeding motors is multiple; the second control module 304 is used to control the wire feeding motors to feed the third welding wire below the first welding wire and the second welding wire at the wire feeding speed, specifically: the second control module 304 is used to control all the wire feeding motors to synchronously feed their respective third welding wires below the first welding wire and the second welding wire at the wire feeding speed.

[0086] This application embodiment also provides a welding system, which includes: a dual-wire wire feed motor, a filler wire motor, a dual-wire power supply, and a filler wire power supply; the dual-wire power supply is used to: control the dual-wire wire feed motor to synchronously feed a first welding wire and a second welding wire to the base material based on set welding parameters, to perform dual-wire welding; after the filler wire trigger condition is met, obtain the actual wire feeding speed of the dual-wire wire feed motor; determine the filler wire speed based on the actual wire feeding speed; and send the filler wire speed to the filler wire power supply; the filler wire power supply is used to: receive the filler wire speed sent by the dual-wire power supply; and control the filler wire motor to feed a third welding wire below the first welding wire and the second welding wire at the filler wire speed. This welding system can be referenced. Figure 1 The welding system shown will not be described in detail here.

[0087] See Figure 4 , Figure 4 This is a structural block diagram of a computer device provided in an embodiment of this application. Figure 4As shown, the computer device 400 may include a processor 401 and a memory 402; the memory 402 may be coupled to the processor 401. It is worth noting that... Figure 4 This is an example; other types of structures can also be used to supplement or replace this structure to achieve telecommunications functions or other functions.

[0088] In one possible implementation, the functionality of the welding device 300 can be integrated into the processor 401.

[0089] In one possible implementation, the welding device 300 can be configured separately from the processor 401. For example, the welding device 300 can be configured as a chip connected to the processor 401, and welding can be achieved through the control of the processor 401.

[0090] Furthermore, in some alternative implementations, the computer device 400 may also include: a communication module, an input unit, an audio processor, a display, a power supply, etc. It is worth noting that the computer device 400 is not necessarily required to include these components. Figure 4 All components shown; in addition, computer device 400 may also include Figure 4 For components not shown, please refer to existing technology.

[0091] In some alternative implementations, processor 401, sometimes also referred to as controller or operation control, may include a microprocessor or other processor device and / or logic device, which receives input and controls the operation of various components of computer device 400.

[0092] The memory 402 may be, for example, one or more of a cache, flash memory, hard drive, removable medium, volatile memory, non-volatile memory, or other suitable device. It can store the aforementioned information related to the welding apparatus 300, and may also store programs for executing that information. The processor 401 can execute the program stored in the memory 402 to perform information storage or processing, etc.

[0093] An input unit can provide input to the processor 401. This input unit may be, for example, a keypad or touch input device. A power supply can be used to provide power to the computer device 400. A display can be used to display images and text, etc. This display may be, for example, an LCD display, but is not limited to this.

[0094] Memory 402 can be solid-state memory, such as read-only memory (ROM), random access memory (RAM), SIM card, etc. It can also be memory that retains information even when power is off, can be selectively erased, and contains more data; examples of this type of memory are sometimes referred to as EPROM, etc. Memory 402 can also be some other type of device. Memory 402 includes buffer memory (sometimes referred to as a buffer). Memory 402 may include an application / function storage unit for storing application programs and function programs or processes for executing operations of computer device 400 via processor 401.

[0095] The memory 402 may also include a data storage unit for storing data, such as contacts, digital data, pictures, sounds, and / or any other data used by the electronic device. The driver storage unit of the memory 402 may include various drivers for the computer device for communication functions and / or for performing other functions of the computer device (such as messaging applications, address book applications, etc.).

[0096] The communication module is a transmitter / receiver that sends and receives signals via an antenna. The communication module (transmitter / receiver) is coupled to the processor 401 to provide input signals and receive output signals, which is the same as in a conventional mobile communication terminal.

[0097] Based on different communication technologies, multiple communication modules can be configured in the same computer device, such as cellular network modules, Bluetooth modules, and / or wireless LAN modules. The communication module (transmitter / receiver) is also coupled to a speaker and microphone via an audio processor to provide audio output through the speaker and receive audio input from the microphone, thereby enabling typical telecommunications functions. The audio processor may include any suitable buffer, decoder, amplifier, etc. Additionally, the audio processor is coupled to processor 401, enabling on-device recording via the microphone and on-device playback of stored sound via the speakers.

[0098] Embodiments of this application also provide a computer-readable storage medium capable of implementing all steps of the welding method in the above embodiments, wherein the computer-readable storage medium stores a computer program that, when executed by a processor, implements all steps of the welding method in the above embodiments.

[0099] While this application provides the method operation steps as described in the embodiments or flowcharts, more or fewer operation steps may be included based on conventional or non-inventive labor. The order of steps listed in the embodiments is merely one possible execution order among many and does not represent the only execution order. In actual device or client product execution, the methods shown in the embodiments or drawings can be executed sequentially or in parallel (e.g., in a parallel processor or multi-threaded processing environment).

[0100] Those skilled in the art will understand that the embodiments of this specification can be provided as methods, apparatus (systems), or computer program products. Therefore, the embodiments of this specification can take the form of entirely hardware embodiments, entirely software embodiments, or embodiments combining software and hardware aspects. Furthermore, this application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0101] This application is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this application. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the flowchart... Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0102] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0103] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0104] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to mutually. Each embodiment focuses on its differences from other embodiments. In particular, the device and system embodiments are relatively simple in description because they are fundamentally similar to the method embodiments; relevant parts can be referred to the descriptions of the method embodiments. In this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. The terms "upper," "lower," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances. It should be noted that, without conflict, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to any single aspect, nor to any single embodiment, nor to any combination and / or substitution of these aspects and / or embodiments. Moreover, each aspect and / or embodiment of this application can be used alone or in combination with one or more other aspects and / or embodiments.

[0105] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application, and they should all be covered within the scope of the claims and specification of this application.

[0106] The present application has been described above with reference to preferred embodiments; however, these embodiments are merely exemplary and illustrative. Various substitutions and modifications can be made to the present application based on these embodiments, all of which fall within the protection scope of the present application.

Claims

1. A welding method, characterized in that, The method is applied to a welding system, the welding system including a dual-wire power source and a filler wire power source, and the method includes: Based on the set welding parameters, the dual-wire wire feeding motor is controlled to synchronously feed the first and second welding wires to the base material for welding, thereby performing dual-wire welding. The dual-wire power supply is used to synchronously output welding voltage to the first and second welding wires. Dual-wire welding refers to the connection between the first and second welding wires through a liquid bridge, forming a common molten droplet and a single electric arc for welding. After the filling trigger condition is met, the actual wire feeding speed of the dual-wire feeding motor is obtained; The filling speed is determined based on the actual wire feeding speed; The wire feeding motor is controlled to feed a third welding wire below the first and second welding wires at the wire feeding speed. The wire feeding power supply is used to output voltage to the third welding wire to increase the hot wire current on the third welding wire and heat the third welding wire.

2. The method as described in claim 1, characterized in that, After controlling the dual-wire feeding motor to synchronously feed the first and second welding wires to the welding base material, the method further includes: Detect the actual welding current; When the actual welding current is detected to be greater than or equal to the preset current threshold, it is determined that the filler wire triggering condition is met.

3. The method as described in claim 1, characterized in that, After controlling the dual-wire feeding motor to synchronously feed the first and second welding wires to the welding base material, the method further includes: The feeding time of the dual-wire feeding motor is timed; When the wire feeding time is greater than or equal to the first preset time, it is determined that the wire filling trigger condition is met.

4. The method as described in claim 1, characterized in that, Determining the filling speed based on the actual wire feeding speed includes: The filling speed is calculated based on the actual wire feeding speed and the preset ratio; the ratio of the filling speed to the actual wire feeding speed is the preset ratio.

5. The method according to any one of claims 1 to 4, characterized in that, Controlling the wire feeding motor to feed a third welding wire below the first and second welding wires at the aforementioned wire feeding speed includes: The feeding motor is controlled by the feeding speed to feed the third welding wire below the first welding wire and the second welding wire, and to output hot wire current to the third welding wire.

6. The method according to any one of claims 1 to 4, characterized in that, Controlling the wire feeding motor to feed a third welding wire below the first and second welding wires at the aforementioned wire feeding speed includes: According to the wire drawing method, the wire feeding motor is controlled by the wire feeding speed to feed the third welding wire below the first welding wire and the second welding wire.

7. The method according to any one of claims 1 to 4, characterized in that, Controlling the wire feeding motor to feed a third welding wire below the first and second welding wires at the aforementioned wire feeding speed includes: According to the wire drawing method, the wire feeding motor is controlled by the wire feeding speed to feed the third welding wire below the first welding wire and the second welding wire, and to output hot wire current to the third welding wire.

8. The method according to any one of claims 1 to 4, characterized in that, The number of the filler motors is multiple; Controlling the wire feeding motor to feed a third welding wire below the first and second welding wires at the aforementioned wire feeding speed includes: At the aforementioned wire feeding speed, all wire feeding motors are controlled to synchronously feed their respective third welding wires below the first and second welding wires.

9. A welding apparatus, characterized in that, Applied to a welding system, the welding system including a dual-wire power supply and a filler wire power supply, the device includes: The first control module is used to control the dual-wire wire feeding motor to synchronously feed the first welding wire and the second welding wire to the welding base material based on the set welding parameters, so as to perform dual-wire welding. The dual-wire power supply is used to synchronously output welding voltage to the first welding wire and the second welding wire. The dual-wire welding refers to the first welding wire and the second welding wire being connected by a liquid bridge to form a common molten droplet and a single electric arc for welding. The acquisition module is used to acquire the actual wire feeding speed of the dual-wire feeding motor after the wire filling trigger condition is met. The determining module is used to determine the filling speed based on the actual wire feeding speed; The second control module is used to control the wire feeding motor to feed the third welding wire below the first welding wire and the second welding wire at the wire feeding speed. The wire feeding power supply is used to output voltage to the third welding wire to increase the hot wire current on the third welding wire and heat the third welding wire.

10. A welding system, characterized in that, This includes a dual-wire feeding motor, a wire filling motor, a dual-wire power supply, and a wire filling power supply; The dual-wire power supply is used for: Based on the set welding parameters, the dual-wire feeding motor is controlled to synchronously feed the first and second welding wires to the welding base material for dual-wire welding; after the filler wire triggering condition is met, the actual wire feeding speed of the dual-wire feeding motor is obtained; the filler wire speed is determined based on the actual wire feeding speed; and the filler wire speed is sent to the filler wire power supply. The filler wire power supply is used for: Receive the wire feeding speed sent by the dual-wire power supply; control the wire feeding motor to feed the third welding wire below the first welding wire and the second welding wire at the wire feeding speed; The dual-wire power supply is also used to synchronously output welding voltage to the first welding wire and the second welding wire; the dual-wire welding refers to the connection between the first welding wire and the second welding wire through a liquid bridge, forming a common molten droplet and a single electric arc for welding; the filler wire power supply is also used to output voltage to the third welding wire to increase the hot wire current on the third welding wire and heat the third welding wire.

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