Intelligent welding device and method

Abstract

The invention discloses an intelligent welding device and method, and relates to the technical field of welding device.The intelligent welding device comprises a bottom plate, a first pipe fitting is movably mounted on the bottom plate, a second pipe fitting is movably mounted at the position, located on the side face of the first pipe fitting, of the bottom plate, and a mounting plate is movably mounted above the first pipe fitting and the second pipe fitting; a first air cylinder is fixedly connected to the mounting plate, a welding gun head is fixedly connected to the lower end of the first air cylinder, a second stepping motor rotates a second roller, so that a first pipe fitting and a second pipe fitting can conveniently rotate to adjust the positions, an infrared sensor corresponds to the marking position on the first pipe fitting, and when a welding seam deviates, the first pipe fitting deviates, and the welding gun head is fixedly connected to the lower end of the first air cylinder. The infrared sensor transmits signals to the PLC, the second air cylinder is controlled to move the first pipe fitting and the second pipe fitting, the marking position is moved to the side face position of the infrared sensor again, the welding seam is located below the welding gun head, the position of the welding seam can be intelligently corrected, and the welding accuracy is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of welding devices, and in particular to an intelligent welding device and method. Background Art

[0002] Boiler tubes refer to steel materials with both ends open and hollow sections, with a larger length than the circumference. According to the production method, they can be divided into seamless steel tubes and welded steel tubes. The specifications of steel tubes are expressed by external dimensions (such as outer diameter or side length) and wall thickness. The size range is very wide, from capillaries with very small diameters to large-diameter tubes with diameters of several meters. In the prior art, when welding boiler pipes, the workpiece is easily offset as the pipes rotate, causing the weld position to shift. The Chinese invention type patent with the public document number: CN118455707A discloses a stir friction welding device with intelligent compensation function and a welding method thereof. The invention can gradually correct the offset position of the stirring tool through the cooperation of the position compensation mechanism and the control system;

[0003] However, this invention positions the welding head and thus the welding position by installing a coordinate positioning device on the stirring tool. However, during the welding process of the boiler pipe, since the welding head is not easy to extend into the lower position of the pipe, the pipe is often rotated for welding. During the rotation and adjustment process, the pipe is prone to displacement, resulting in displacement of the weld, so improvement is needed. Summary of the invention

[0004] The purpose of the present invention is to provide an intelligent welding device to solve the problems raised in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A smart welding device comprises a base plate, wherein a No. 1 pipe fitting is movably mounted on the base plate, a No. 2 pipe fitting is movably mounted on the base plate at a side position of the No. 1 pipe fitting, a mounting plate is movably mounted above the No. 1 and No. 2 pipe fittings, a No. 1 cylinder is fixedly connected to the mounting plate, a welding gun head is fixedly connected to the lower end of the No. 1 cylinder, a No. 1 roller is movably mounted at one side position of the No. 1 and No. 2 pipe fittings, a No. 2 roller is movably mounted on the other side of the No. 1 and No. 2 pipe fittings, a movable block is movably mounted at the side position of the No. 2 roller, an infrared sensor is fixedly connected to the movable block, a No. 1 support plate is fixedly connected to the base plate, a No. 2 cylinder is fixedly connected to the No. 1 support plate, and a No. 1 baffle is movably mounted on the output shaft of the No. 2 cylinder, a No. 2 support plate is also fixedly connected to the base plate, a No. 3 slide bar is movably mounted on the No. 2 support plate, and a No. 2 baffle is movably mounted on one end of the No. 3 slide bar.

[0007] Preferably, a supporting foot is fixedly connected to the bottom surface of the base plate, a side plate No. 1 is fixedly connected to both side positions of the base plate, a screw No. 1 is movably installed on one side of the mounting plate, and a sliding rod No. 1 is movably installed on the other side of the mounting plate, both ends of the sliding rod No. 1 are movably installed with the side plate No. 1 respectively, the screw No. 1 is movably installed with the side plate No. 1 respectively through a bearing No. 1, one end of the screw No. 1 is fixedly connected to the output shaft of the stepper motor No. 1, and the stepper motor No. 1 is fixedly connected to the side plate No. 1 at one side position, a PLC controller is fixedly connected to the side position of the stepper motor No. 1, and the PLC controller and the stepper motor No. 1 are fixedly connected to the same side plate No. 1.

[0008] Preferably, both ends of the No. 1 roller are rotatably connected to the No. 2 side plate, and the No. 2 side plate is fixedly connected to the bottom plate.

[0009] Preferably, two No. 3 side plates are fixedly connected on both sides of the bottom plate, the No. 2 roller is rotatably connected between the No. 3 side plates, one end of the No. 2 roller is fixedly connected to the output shaft of the No. 2 stepper motor, and the No. 2 stepper motor is fixedly connected to the No. 3 side plate at one side.

[0010] Preferably, a No. 2 screw is movably installed on the movable block, and a No. 2 sliding bar is movably installed on the movable block at a position below the No. 2 screw, both ends of the No. 2 sliding bar are respectively fixedly connected to a No. 1 connecting plate and a No. 2 connecting plate, and the No. 1 connecting plate and the No. 2 connecting plate are fixedly connected to the bottom plate, the No. 2 screw is rotatably connected to a position between the No. 1 connecting plate and the No. 2 connecting plate, and one end of the No. 2 screw is fixedly connected to a rotating wheel.

[0011] Preferably, the output shaft of the No. 2 cylinder is movably mounted on the No. 1 baffle via a damping bearing.

[0012] Preferably, the No. 2 support plate is fixedly connected with a sliding sleeve, the No. 3 slide bar is movably installed in the sliding sleeve, and limiting blocks are fixedly connected to the two sides of the No. 3 slide bar. A spring is movably installed on the No. 3 slide bar, and the spring is located between the limiting block and the No. 2 support plate, and the No. 2 baffle plate is fixedly connected to one end of the No. 3 slide bar through a damping bearing, and the No. 1 pipe fitting and the No. 2 pipe fitting are located between the No. 1 baffle plate and the No. 2 baffle plate, and a marking line is set on the No. 1 pipe fitting, and the marking line is located on the side of the infrared sensor.

[0013] An intelligent welding method comprises the following steps:

[0014] S10: using the No. 1 pipe fitting and the No. 2 pipe fitting movably installed on the bottom plate, the positions of the No. 1 pipe fitting and the No. 2 pipe fitting are synchronously adjusted by rotating the No. 1 roller and the No. 2 roller;

[0015] S20: Monitor the position of the marking line on the No. 1 pipe by using an infrared sensor to detect whether the weld is offset;

[0016] S30: When the weld seam deviation is detected, the infrared sensor transmits a signal to the PLC controller;

[0017] S40: After receiving the signal, the PLC controller controls the No. 2 cylinder to move the No. 1 pipe fitting and the No. 2 pipe fitting to intelligently correct the weld position, ensuring that the weld is located below the welding gun head and improving welding accuracy.

[0018] The intelligent welding method further comprises:

[0019] The No. 1 screw is controlled to rotate by the No. 1 stepper motor to adjust the position of the mounting plate and the welding gun head; the No. 2 roller is controlled to rotate by the No. 2 stepper motor to synchronously rotate the No. 1 pipe fitting and the No. 2 pipe fitting to achieve precise adjustment of the welding position.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. Pipe fitting No. 1 and No. 2 are located between roller No. 1 and roller No. 2. Stepper motor No. 2 rotates roller No. 2, so that pipe fitting No. 1 and No. 2 rotate synchronously, and the welding position is easy to adjust;

[0022] 2. There are marking lines on pipe fitting No. 1, such as white marking lines. After adjusting the infrared sensor to the appropriate position, the infrared sensor corresponds to the marking line position, and the welding gun head corresponds to the weld position of pipe fitting No. 1 and pipe fitting No. 2. As pipe fitting No. 1 and pipe fitting No. 2 rotate, when the weld does not shift, the infrared sensor always corresponds to the marking line position. When the weld shifts, the marking line shifts, and the infrared sensor transmits the signal to the PLC controller. The PLC controller controls the start of cylinder No. 2 to push pipe fitting No. 1 and pipe fitting No. 2 to move, and push the marking line back to the side position of the infrared sensor, so that the weld position can be intelligently corrected and compensated, so that the weld position is more accurate during the welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural schematic diagram of an intelligent welding device of the present invention;

[0024] Figure 2 It is a structural schematic diagram of a movable block of an intelligent welding device of the present invention;

[0025] Figure 3 It is a structural schematic diagram of a No. 1 roller and a No. 2 roller of an intelligent welding device of the present invention;

[0026] Figure 4 This is a schematic structural diagram of a No. 3 slide bar of an intelligent welding device of the present invention.

[0027] Numbers in the figure: 1, bottom plate; 2, support foot; 3, side plate No. 1; 4, screw No. 1; 5, slide bar No. 1; 6, bearing No. 1; 7, stepper motor No. 1; 8, PLC controller; 9, mounting plate; 10, cylinder No. 1; 11, welding gun head; 12, pipe No. 1; 13, pipe No. 2; 14, slide bar No. 2; 15, screw No. 2; 16, connecting plate No. 1; 17, connecting plate No. 2; 18, rotating plate Wheel; 19, movable block; 20, infrared sensor; 21, roller No. 1; 22, roller No. 2; 23, side plate No. 2; 24, side plate No. 3; 25, stepper motor No. 2; 26, support plate No. 1; 27, cylinder No. 2; 28, baffle No. 1; 29, support plate No. 2; 30, sleeve; 31, slide rod No. 3; 32, spring; 33, limit block; 34, baffle No. 2; 35, damping bearing. DETAILED DESCRIPTION

[0028] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0029] Example: Figures 1 to 4 As shown, the present invention provides a technical solution of an intelligent welding device, including a base plate 1, a No. 1 pipe fitting 12 is movably installed on the base plate 1, a No. 2 pipe fitting 13 is movably installed on the base plate 1 at the side position of the No. 1 pipe fitting 12, a mounting plate 9 is movably installed above the No. 1 pipe fitting 12 and the No. 2 pipe fitting 13, a No. 1 cylinder 10 is fixedly connected to the mounting plate 9, a welding gun head 11 is fixedly connected to the lower end of the No. 1 cylinder 10, a supporting foot 2 is fixedly connected to the bottom surface of the base plate 1, a No. 1 side plate 3 is fixedly connected to the two sides of the base plate 1, a No. 1 screw rod 4 is movably installed on one side of the mounting plate 9, and a No. 1 slide rod 5 is movably installed on the other side of the mounting plate 9, and the two ends of the No. 1 slide rod 5 are movably installed with the No. 1 side plate 3 respectively, and the No. 1 screw rod 4 is connected to the No. 1 side plate 3. The No. 1 side plate 3 is movably installed through the No. 1 bearing 6, one end of the No. 1 screw rod 4 is fixedly connected to the output shaft of the No. 1 stepper motor 7, and the No. 1 stepper motor 7 is fixedly connected to the No. 1 side plate 3 at one side, and the side position of the No. 1 stepper motor 7 is fixedly connected with a PLC controller 8, and the PLC controller 8 and the No. 1 stepper motor 7 are fixedly connected to the same No. 1 side plate 3. When the No. 1 stepper motor 7 is started, the No. 1 screw rod 4 rotates, and the mounting plate 9 is movably installed on the No. 1 screw rod 4 and the No. 1 slide bar 5. As the No. 1 screw rod 4 rotates, the mounting plate 9 moves. The mounting plate 9 is provided with a No. 1 cylinder 10, which makes it easy for the welding gun head 11 to move downward, so that the welding gun head 11 can move downward to weld the pipe fittings.

[0030] A roller 21 is movably installed on one side of the No. 1 pipe fitting 12 and the No. 2 pipe fitting 13, and a roller 22 is movably installed on the other side of the No. 1 pipe fitting 12 and the No. 2 pipe fitting 13. Both ends of the roller 21 are rotatably connected to the No. 2 side plate 23, and the No. 2 side plate 23 is fixedly connected to the bottom plate 1. Two No. 3 side plates 24 are fixedly connected to the two sides of the bottom plate 1. The No. 2 roller 22 is rotatably connected between the No. 3 side plates 24. The No. 2 roller 22 One end is fixedly connected to the output shaft of the No. 2 stepper motor 25, and the No. 2 stepper motor 25 is fixedly connected to the No. 3 side plate 24 at one side. When the No. 2 stepper motor 25 is started, the No. 2 roller 22 rotates, and the No. 1 pipe fitting 12 and the No. 2 pipe fitting 13 are located on the No. 1 roller 21 and the No. 2 roller 22. The No. 2 roller 22 rotates the No. 1 pipe fitting 12 and the No. 2 pipe fitting 13, so that the No. 1 pipe fitting 12 and the No. 2 pipe fitting 13 are easy to rotate and adjust their positions.

[0031] A movable block 19 is movably installed at the side position of the No. 2 roller 22, and an infrared sensor 20 is fixedly connected to the movable block 19. A No. 2 screw rod 15 is movably installed on the movable block 19. A No. 2 slide bar 14 is movably installed on the movable block 19 at a position below the No. 2 screw rod 15. The two ends of the No. 2 slide bar 14 are respectively fixedly connected to the No. 1 connecting plate 16 and the No. 2 connecting plate 17, and the No. 1 connecting plate 16 and the No. 2 connecting plate 17 are fixedly connected to the bottom plate 1. The No. 2 screw rod 15 is rotatably connected to a position between the No. 1 connecting plate 16 and the No. 2 connecting plate 17. A rotating wheel 18 is fixedly connected to one end of the No. 2 screw rod 15. The rotating wheel 18 rotates to rotate the No. 2 screw rod 15, so that the movable block 19 is easy to move on the No. 2 screw rod 15 and the No. 2 slide bar 14, thereby movably adjusting the position of the movable block 19.

[0032] A No. 1 support plate 26 is fixedly connected to the bottom plate 1, a No. 2 cylinder 27 is fixedly connected to the No. 1 support plate 26, and a No. 1 baffle plate 28 is movably mounted on the output shaft of the No. 2 cylinder 27, a No. 2 support plate 29 is also fixedly connected to the bottom plate 1, a No. 3 slide bar 31 is movably mounted on the No. 2 support plate 29, a No. 2 baffle plate 34 is movably mounted on one end of the No. 3 slide bar 31, the output shaft of the No. 2 cylinder 27 is movably mounted on the No. 1 baffle plate 28 through a damping bearing 35, a sliding sleeve 30 is fixedly connected to the No. 2 support plate 29, the No. 3 slide bar 31 is movably mounted in the sliding sleeve 30, limiting blocks 33 are fixedly connected to the two sides of the No. 3 slide bar 31, a spring 32 is movably mounted on the No. 3 slide bar 31, and the spring 32 is located between the limiting block 33 and the No. 2 support plate 29, baffle plate No. 2 is fixedly connected to one end of slide bar No. 31 through damping bearing 35, pipe fitting No. 12 and pipe fitting No. 2 are located between baffle plate No. 1 28 and baffle plate No. 2 34, marking line is provided on pipe fitting No. 12, and marking line is located on the side of infrared sensor 20, pipe fitting No. 12 and pipe fitting No. 2 are located between baffle plate No. 1 28 and baffle plate No. 2 34, pipe fitting No. 2 13 squeezes baffle plate No. 2 34, so that slide bar No. 31 moves in sleeve 30, so that spring 32 is compressed, and output shaft of cylinder No. 2 moves, pushing baffle plate No. 1 28 to move, so that baffle plate No. 1 28 is convenient for pushing pipe fitting No. 1 12 and pipe fitting No. 2 13 to the side, and adjusting the position of weld.

[0033] It should be noted that the present invention is a multi-return biomass steam boiler. The No. 1 stepper motor 7 is started to control the No. 1 screw 4 to rotate, so that the No. 1 screw 4 pushes the mounting plate 9 to move, so that the position of the welding gun head 11 on the mounting plate 9 is easy to adjust, and the No. 1 cylinder 10 is started. The output shaft of the No. 1 cylinder 10 pushes the welding gun head 11 downward, so that the welding gun head 11 is easy to weld the pipe fitting downward. The No. 1 pipe fitting 12 and the No. 2 pipe fitting 13 are located on the No. 1 roller 21 and the No. 2 roller 22. The No. 2 stepper motor 25 is started to rotate the No. 2 roller 22, and the No. 2 roller 22 pushes the No. 1 pipe fitting 12 and the No. 2 pipe fitting 13 to rotate. The No. 1 roller 21 on the other side of the No. 1 pipe fitting 12 and the No. 2 pipe fitting 13 rotates synchronously, thereby adjusting the welding position. Rotation adjustment, mark the line on the No. 1 pipe fitting 12, such as using a white marker to mark the line around the No. 1 pipe fitting 12, the No. 1 pipe fitting 12 and the No. 2 pipe fitting 13 are located between the No. 1 baffle 28 and the No. 2 baffle 34, the No. 2 cylinder 27 pushes the No. 1 baffle 28 to move sideways, so that the No. 1 pipe fitting 12 moves, and pushes the No. 2 pipe fitting 13 to move through the No. 1 pipe fitting 12, the No. 2 pipe fitting 13 squeezes the No. 2 baffle 34 to the side, so that the No. 3 slide bar 31 moves in the sliding sleeve 30, the limiting block 33 on the No. 3 slide bar 31 moves synchronously, thereby compressing the spring 32, the No. 1 pipe fitting 12 and the No. 2 pipe fitting 13 move through the position, the welding position is moved to the position below the welding gun head 11, the rotating wheel 18 is rotated, so that the No. 2 screw 15 is rotated , the No. 2 screw 15 pushes the movable block 19 to move, so that the infrared sensor 20 is located at the side position of the marking line. The infrared sensor 20 monitors the position and distance of the marking line moving left and right. As the No. 2 roller 22 rotates, the marking line rotates synchronously. The No. 1 pipe fitting 12 and the No. 2 pipe fitting 13 slide between the No. 1 baffle 28 and the No. 2 baffle 34. When the welding seam position of the No. 1 pipe fitting 12 and the No. 2 pipe fitting 13 shifts, the No. 1 pipe fitting 12 and the No. 2 pipe fitting 13 shift synchronously, and the marking line moves accordingly. The infrared sensor 20 transmits a signal to the PLC controller 8. The PLC controller 8 monitors that the signal movement exceeds the specified range. The PLC controller 8 starts the No. 2 cylinder 27, and the No. 1 baffle 28 moves to the side, so that the No. 1 pipe fitting 1 2. Pipe fitting No. 2 13 moves sideways, baffle No. 2 34 moves sideways, slide bar No. 31 moves in sleeve 30, spring 32 is compressed, and when cylinder No. 2 27 contracts the output shaft, baffle No. 1 28 moves in the opposite direction, spring 32 resumes opening, pushing baffle No. 2 34 to move in the opposite direction, causing pipe fitting No. 1 12 and pipe fitting No. 2 13 to move in the opposite direction, causing pipe fitting No. 1 12 and pipe fitting No. 2 13 to move left and right, adjusting the position of the weld, when the weld is re-positioned below the welding gun head 11, the marking line is re-positioned on the side of the infrared sensor 20, thereby stopping moving cylinder No. 2 27, and then continuing welding, so that during the welding process, the weld position can be intelligently corrected, and the weld position can be intelligently compensated to improve the accuracy of welding.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An intelligent welding device, characterized in that: The invention comprises a bottom plate (1), a first pipe fitting (12) being movably mounted on the bottom plate (1), a second pipe fitting (13) being movably mounted on the bottom plate (1) at a position on the side of the first pipe fitting (12), a mounting plate (9) being movably mounted above the first pipe fitting (12) and the second pipe fitting (13), a first cylinder (10) being fixedly connected to the mounting plate (9), a welding gun head (11) being fixedly connected to the lower end of the first cylinder (10), a first roller (21) being movably mounted on one side of the first pipe fitting (12) and the second pipe fitting (13), and a second roller (21) being movably mounted on the other side of the first pipe fitting (12) and the second pipe fitting (13). A No. 2 roller (22) is installed, a movable block (19) is movably installed at the side position of the No. 2 roller (22), an infrared sensor (20) is fixedly connected to the movable block (19), a No. 1 support plate (26) is fixedly connected to the bottom plate (1), a No. 2 cylinder (27) is fixedly connected to the No. 1 support plate (26), and a No. 1 baffle plate (28) is movably installed on the output shaft of the No. 2 cylinder (27), a No. 2 support plate (29) is also fixedly connected to the bottom plate (1), a No. 3 slide bar (31) is movably installed on the No. 2 support plate (29), and a No. 2 baffle plate (34) is movably installed on one end of the No. 3 slide bar (31).

2. The intelligent welding device according to claim 1, characterized in that: The bottom surface of the base plate (1) is fixedly connected with a supporting foot (2), and the two sides of the base plate (1) are fixedly connected with a No. 1 side plate (3), one side of the mounting plate (9) is movably mounted with a No. 1 screw rod (4), and the other side of the mounting plate (9) is movably mounted with a No. 1 slide rod (5), both ends of the No. 1 slide rod (5) are movably mounted with the No. 1 side plate (3), the No. 1 screw rod (4) is movably mounted with the No. 1 side plate (3) through a No. 1 bearing (6), one end of the No. 1 screw rod (4) is fixedly connected with the output shaft of the No. 1 stepping motor (7), and the No. 1 stepping motor (7) is fixedly connected to the No. 1 side plate (3), and the PLC controller (8) and the No. 1 stepping motor (7) are fixedly connected to the same No. 1 side plate (3).

3. The intelligent welding device according to claim 1, characterized in that: The two ends of the first roller (21) are rotatably connected to the second side plate (23), and the second side plate (23) is fixedly connected to the bottom plate (1).

4. The intelligent welding device according to claim 1, characterized in that: Two No. 3 side plates (24) are fixedly connected at two sides of the bottom plate (1); the No. 2 roller (22) is rotatably connected between the No. 3 side plates (24); one end of the No. 2 roller (22) is fixedly connected to the output shaft of the No. 2 stepping motor (25); and the No. 2 stepping motor (25) is fixedly connected to the No. 3 side plate (24) at one side.

5. The intelligent welding device according to claim 1, characterized in that: A No. 2 screw rod (15) is movably mounted on the movable block (19); a No. 2 slide rod (14) is movably mounted on the movable block (19) at a position below the No. 2 screw rod (15); two ends of the No. 2 slide rod (14) are respectively fixedly connected to a No. 1 connecting plate (16) and a No. 2 connecting plate (17); the No. 1 connecting plate (16) and the No. 2 connecting plate (17) are fixedly connected to the bottom plate (1); the No. 2 screw rod (15) is rotatably connected to a position between the No. 1 connecting plate (16) and the No. 2 connecting plate (17); one end of the No. 2 screw rod (15) is fixedly connected to a rotating wheel (18).

6. The intelligent welding device according to claim 1, characterized in that: The output shaft of the No. 2 cylinder (27) is movably mounted on the No. 1 baffle (28) via a damping bearing (35).

7. The intelligent welding device according to claim 1, characterized in that: The second support plate (29) is fixedly connected with a sliding sleeve (30), the third slide bar (31) is movably installed in the sliding sleeve (30), the two sides of the third slide bar (31) are fixedly connected with limiting blocks (33), the third slide bar (31) is movably installed with a spring (32), and the spring (32) is located between the limiting block (33) and the second support plate (29), the second baffle plate (34) is fixedly connected to one end of the third slide bar (31) through a damping bearing (35), the first pipe fitting (12) and the second pipe fitting (13) are located between the first baffle plate (28) and the second baffle plate (34), and a marking line is provided on the first pipe fitting (12), and the marking line is located on the side of the infrared sensor (20).

8. An intelligent welding method, characterized in that: The following steps are involved: S10: using the first pipe fitting (12) and the second pipe fitting (13) movably mounted on the bottom plate, the positions of the first pipe fitting (12) and the second pipe fitting (13) are synchronously adjusted by rotating the first roller (21) and the second roller (22); S20: monitoring the position of the marking line on the first pipe (12) by means of an infrared sensor (20) to detect whether the weld is offset; S30: When the weld seam deviation is detected, the infrared sensor transmits a signal to the PLC controller; S40: After receiving the signal, the PLC controller controls the No. 2 cylinder (27) to move the No. 1 pipe fitting (12) and the No. 2 pipe fitting (13) to intelligently correct the weld position, ensuring that the weld is located below the welding gun head, thereby improving welding accuracy.

9. The intelligent welding method according to claim 8, characterized in that: Further including: The first stepping motor (7) is used to control the rotation of the first screw rod (4) to adjust the position of the mounting plate and the welding gun head; the second stepping motor (25) is used to control the rotation of the second roller (22) to synchronously rotate the first pipe fitting (12) and the second pipe fitting (13) to achieve accurate adjustment of the welding position.

Images