Construction welding equipment with position calibration function

Abstract

The invention discloses building welding equipment with a position calibration function, and relates to the technical field of welding equipment.The building welding equipment comprises a welding robot, a welding table, a fixing device, a calibration device and a driving device.The welding robot is arranged on one side of the welding table, the welding table is connected with the fixing device, and the welding table is connected with the driving device; the driving devices are provided with the calibration devices, the driving devices are connected with the calibration devices, the two driving devices are arranged at the two ends of the welding table, the welding table serves as a main installation foundation and is used for installing and positioning other assemblies, a steel pipe needing to be welded is placed on the fixing devices through workers, and the steel pipe is fixed through the fixing devices. And meanwhile, the positions of the steel pipes on the two sides are straightened, the calibration device is conveyed to the working position through the driving device, then the steel pipes are welded through the welding robot, and the positions of the steel pipes are calibrated through the calibration device in the welding process.

Description

Technical Field

[0001] This invention relates to the field of welding equipment technology, specifically a construction welding equipment with a position calibration function. Background Technology

[0002] In the field of construction engineering, welding is a crucial link in component connection, and its quality directly affects the structural stability and safety of the overall project. However, current mainstream welding equipment for construction still has many technical shortcomings in practical applications.

[0003] First, the stability and adaptability of workpiece fixation are insufficient. Construction projects involve welded steel pipes of various specifications and large size ranges. Traditional welding equipment's fixing devices are mostly rigid structures with limited adjustment range. For steel pipes of different diameters, existing clamps often require manual replacement of compatible parts, which is not only cumbersome but also prone to initial workpiece positioning deviations due to errors during replacement. Second, positional offsets during welding are difficult to monitor and correct in real time. Traditional equipment lacks an effective real-time monitoring mechanism, relying solely on manual visual observation or post-weld inspection, making it impossible to detect positional offsets during welding. Even when some equipment is equipped with simple detection devices, they are mostly single-point detections, failing to comprehensively reflect the overall offset state of the workpiece. Furthermore, the detection signal is disconnected from the adjustment mechanism, making dynamic correction impossible. Summary of the Invention

[0004] The purpose of this invention is to provide a construction welding device with a position calibration function to solve the problems raised in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A technical solution for a construction welding equipment with a position calibration function. The welding equipment includes a welding robot, a welding table, a fixing device, a calibration device, and a driving device. The welding robot is placed on one side of the welding table. The welding table is connected to the fixing device and the welding table is connected to the driving device. The driving device is equipped with a calibration device and is connected to the calibration device. There are two driving devices, which are placed at both ends of the welding table.

[0006] The welding table serves as the primary installation base for positioning and installing other components. Workers place the steel pipes to be welded onto the fixing device, which then secures the pipes and aligns the positions of the pipes on both sides. A drive device then moves the calibration device to the working position, and a welding robot welds the pipes. During the welding process, the calibration device calibrates the position of the pipes. If the pipes deflect during welding due to welding on one side, the calibration device detects the direction of the deflection and sends a signal to control the fixing device to adjust the position of the pipes, preventing welding failure and improving welding quality.

[0007] Furthermore, the calibration device includes a calibration cylinder, a calibration rod, a calibration fixing block, a calibration block, and a calibration spring. The calibration cylinder is connected to a drive device, and the output end of the calibration cylinder is fastened to the calibration rod. The calibration rod is fastened to the calibration fixing block. There are four calibration fixing blocks, which are symmetrical about the center of the calibration rod. Therefore, each calibration fixing block has a first mounting cavity and a first mounting groove. The calibration spring is placed in the first mounting cavity and is fastened to the first mounting cavity. The calibration block is placed in the first mounting cavity and is slidably connected to the first mounting cavity. A calibration motor is provided on the first mounting groove, and a calibration gear is provided on the output end of the calibration motor. The calibration gear is fastened to the output end of the calibration motor. A second mounting groove is provided on the calibration block, and a rack is provided in the second mounting groove. The rack and the second mounting groove are fastened to each other, and the calibration gear and the rack mesh.

[0008] The driving device moves the calibration cylinder to the working position, and then the output of the calibration cylinder drives the calibration rod to move. The movement of the calibration rod drives the calibration fixing block to move until the calibration fixing block is delivered to the designated position inside the steel pipe. The calibration spring releases elastic potential energy to push the calibration block out of the first mounting cavity, so that all four calibration blocks simultaneously contact the inner wall of the steel pipe. This allows the calibration blocks to perform position detection on the steel pipe from multiple directions at the same time. After the steel pipe is welded, the calibration motor in the first mounting slot outputs torque to drive the calibration gear to rotate. The rotation of the calibration gear acts on the rack in the second mounting slot, causing the rack to move under force. The movement of the rack drives the calibration block to move, so that the calibration block returns to the first mounting cavity. At the same time, the movement of the calibration block compresses the calibration spring, providing elastic potential energy for pushing out the calibration block during the next calibration.

[0009] Furthermore, the calibration block is equipped with a detection block, which is fastened to the calibration block. The detection block is equipped with multiple detection slots, and a detection roller is installed inside each detection slot. The detection roller is rotatably connected to the detection slot, and a detection magnet is installed inside each detection slot. The detection magnet is placed on both sides of the detection roller, and an electromagnetic coil is installed inside the detection roller.

[0010] The testing groove serves as the primary mounting base for positioning the testing rollers and magnets. When the calibration block contacts the inner wall of the steel pipe, the testing rollers also contact the inner wall. As the steel pipe moves during welding, the friction between the inner wall and the testing rollers causes them to rotate. This rotation causes the electromagnetic coil of the testing rollers to cut magnetic field lines. Different rotation speeds of the testing rollers result in different electrical signals generated by the electromagnetic coils cutting the magnetic field lines. The faster the testing rollers rotate, the stronger the electrical signal generated by the electromagnetic coils, and the greater the rotation amplitude at that point. The fixing device then adjusts the position of the largest deflection to ensure welding quality.

[0011] Furthermore, the drive device includes a fixed plate and a drive cylinder. The fixed plate is fastened to the welding table, the drive cylinder is placed on the fixed plate, the drive cylinder is placed on the symmetrical plane of the fixed plate, and the output end of the drive cylinder is fastened to the calibration cylinder.

[0012] The mounting plate serves as the main mounting base for installing other components. When the steel pipe needs to be calibrated, the calibration cylinder is moved by the output of the drive cylinder until it is sent to the designated position.

[0013] Furthermore, the welding table is provided with a first fixed mounting cavity and a second fixed mounting cavity. The first fixed mounting cavity is connected to a fixing device, and the second fixed mounting cavity is connected to a fixing device. There are four first fixed mounting cavities and four second fixed mounting cavities. The four first fixed mounting cavities are symmetrically distributed, and the four second fixed mounting cavities are symmetrically distributed.

[0014] The first and second fixed mounting cavities serve as the main mounting bases for positioning other components. The first fixed mounting cavity is positioned between the two second fixed mounting cavities. By setting four first and second fixed mounting cavities, a working position is provided for the fixing device to fix the steel pipes, making it easier for the fixing device to fix the steel pipes on both sides.

[0015] Furthermore, the fixing device includes a first fixing cylinder, a first moving block, a first rotating motor, and a first fixing gripper. The first fixing cylinder is provided in the first fixing mounting cavity, and the first fixing cylinder and the first fixing mounting cavity are fastened together. The output end of the first fixing cylinder is fastened together with the first moving block. The first moving block is provided with a third mounting groove, and the third mounting groove is provided with a first rotating motor. There are two first rotating motors, and the two first rotating motors are provided with first fixing grippers. The first fixing grippers are fastened together with the output end of the first rotating motor.

[0016] The first fixed mounting cavity provides an installation position for the first fixed cylinder. Before welding, the first fixed jaws are opened by the output of the first rotating motor. Then, the worker places the steel pipe to be welded into the first fixed jaws on both sides. The steel pipe is fixed by the four first fixed jaws. When the steel pipe is large, the output of the first fixed cylinder drives the first moving block to move. The movement of the first moving block drives the first rotating motor to move. The movement of the first rotating motor drives the first fixed jaws to move, thereby causing the first fixed jaws to move to both sides. At the same time, the output of the first rotating motor drives the first fixed jaws to rotate, thereby clamping and fixing the steel pipe.

[0017] Furthermore, the fixing device also includes a second fixing cylinder, a second moving block, a second rotating motor, a second fixing gripper, and a rotating motor. The second fixing cylinder is provided in the second fixing mounting cavity. The output end of the second fixing cylinder is fastened to the second moving block. The second moving block is placed in the second fixing mounting cavity. A rotating base is provided on the second moving block. A rotating mounting cavity is also provided on the second moving block. The rotating motor is placed in the rotating mounting cavity. The output end of the rotating motor is fastened to the rotating base. There are two second rotating motors. The two second rotating motors are fastened to the rotating base. A second fixing gripper is provided on the output end of the second rotating motor. The second fixing gripper and the output end of the second rotating motor are fastened to each other.

[0018] The second fixed mounting cavity provides an installation position for the second fixed cylinder. Before welding begins, the second fixed clamp is opened by rotating the second rotary motor. Then, the worker places the steel pipe to be welded into the first and second fixed clamps, so that the first and second fixed clamps simultaneously fix the steel pipe. When the electromagnetic coil transmits an electrical signal, the rotary motor output drives the rotating base to rotate. The rotation of the rotating base drives the second rotary motor to rotate, which in turn drives the second fixed clamp to rotate. The rotation of the second fixed clamp drives the steel pipe to rotate. The rotation angle of the second fixed clamp varies depending on the value of the electrical signal transmitted by the electromagnetic coil, thus preventing the steel pipe from deflecting during the welding process.

[0019] Compared with the prior art, the beneficial effects of the present invention are: 1. The calibration device monitors the inner wall condition of the workpiece in real time through symmetrically distributed calibration blocks and detection blocks. The detection rollers and electromagnetic coils work together to accurately detect minute offsets in the workpiece caused by welding stress and provide feedback on the direction and magnitude of the offset via electrical signals. Combined with components such as the rotary motor and rotating motor of the fixing device, the workpiece position can be adjusted in real time to avoid welding misalignment caused by offset, significantly improving welding accuracy.

[0020] 2. The fixing device includes multiple sets of adjustable gripper structures: the first fixed gripper is adjusted in position and angle via a first fixed cylinder and a first rotating motor; the second fixed gripper, in conjunction with a rotating base and a second fixed cylinder, can adapt to workpieces of different diameters and lengths. Whether it's a small steel pipe or a large component, it can achieve stable clamping, solving the problem of poor adaptability of traditional fixing devices.

[0021] 3. Closed-loop control between the calibration device and the fixing device: After the calibration device detects an offset, the signal directly drives the rotary motor, rotating motor, and other actuators of the fixing device, and the workpiece position is corrected by fine-tuning the angle of the grippers. This linkage mechanism avoids the problem of calibration and adjustment being disconnected, ensuring that the workpiece is always in the preset position during the welding process and reducing the rework rate. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 for Figure 1 A magnified view of part A; Figure 3 This is a schematic diagram of the fixing device structure of the present invention; Figure 4 This is a schematic diagram of the drive device structure of the present invention; Figure 5 This is a schematic diagram of the calibration device structure of the present invention; Figure 6 This is a schematic diagram of the calibration fixing block structure of the present invention; Figure 7 This is a schematic diagram of the calibration block structure of the present invention; Figure 8 for Figure 7 A magnified view of a portion of area B.

[0023] In the diagram: 1. Welding robot; 2. Welding table; 21. First fixed mounting cavity; 22. Second fixed mounting cavity; 3. Fixing device; 31. First fixed cylinder; 32. First moving block; 321. Third mounting slot; 33. First rotating motor; 34. First fixed gripper; 35. Second fixed cylinder; 36. Second moving block; 361. Rotating base; 37. Second rotating motor; 38. Second fixed gripper; 39. Rotating motor; 4. Calibration device; 41. Calibration cylinder; 42. Calibration rod; 43. Calibration fixed block; 431. First mounting cavity; 432. First mounting slot; 433. Calibration motor; 434. Calibration gear; 44. Calibration block; 441. Second mounting slot; 442. Rack; 45. Calibration spring; 46. Detection block; 461. Detection slot; 462. Detection roller; 463. Detection magnet; 5. Drive device; 51. Fixed plate; 52. Drive cylinder. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] Example: Figure 1 - Figure 8As shown, the present invention provides a construction welding equipment technical solution with a position calibration function. The welding equipment includes a welding robot 1, a welding table 2, a fixing device 3, a calibration device 4 and a driving device 5. The welding robot 1 is placed on one side of the welding table 2. The welding table 2 is connected to the fixing device 3. The welding table 2 is connected to the driving device 5. The driving device 5 is equipped with the calibration device 4. The driving device 5 is connected to the calibration device 4. There are two driving devices 5, which are placed at both ends of the welding table 2.

[0026] Welding table 2 serves as the main installation base for positioning other components. Workers place the steel pipes to be welded onto fixing device 3, which then secures the pipes and aligns the positions of the pipes on both sides. The drive device 5 sends the calibration device 4 to the working position, and then the welding robot 1 welds the steel pipes. During the welding process, the calibration device 4 calibrates the position of the steel pipes. If the steel pipes deflect during welding due to welding on one side, the calibration device 4 detects the direction of the deflection and sends a signal to control the fixing device 3 to adjust the position of the steel pipes, preventing welding failure and thus improving welding quality.

[0027] like Figure 1 , Figure 5 , Figure 6 and Figure 7 As shown, the calibration device 4 includes a calibration cylinder 41, a calibration rod 42, a calibration fixing block 43, a calibration block 44, and a calibration spring 45. The calibration cylinder 41 is connected to the drive device 5. The output end of the calibration cylinder 41 is fastened to the calibration rod 42. The calibration rod 42 is fastened to the calibration fixing block 43. There are four calibration fixing blocks 43, which are symmetrical about the center of the calibration rod 42. Therefore, the calibration fixing block 43 is provided with a first mounting cavity 431 and a first mounting groove 432. The calibration spring 45 is placed in the first mounting cavity 431. 5 is fastened to the first mounting cavity 431. The calibration block 44 is placed in the first mounting cavity 431 and is slidably connected to the first mounting cavity 431. The first mounting groove 432 is provided with a calibration motor 433. The output end of the calibration motor 433 is provided with a calibration gear 434. The calibration gear 434 and the output end of the calibration motor 433 are fastened together. The calibration block 44 is provided with a second mounting groove 441. The second mounting groove 441 is provided with a rack 442. The rack 442 and the second mounting groove 441 are fastened together. The calibration gear 434 and the rack 442 mesh.

[0028] The driving device 5 moves the calibration cylinder 41 to the working position, and then the calibration cylinder 41 outputs a force to move the calibration rod 42. The movement of the calibration rod 42 moves the calibration fixing block 43 until the calibration fixing block 43 is delivered to the designated position inside the steel pipe. The calibration spring 45 releases elastic potential energy to push the calibration block 44 out of the first mounting cavity 431, so that all four calibration blocks 44 simultaneously contact the inner wall of the steel pipe. This allows the calibration blocks 44 to perform position detection on the steel pipe from multiple directions at the same time. After the steel pipe is welded, the calibration motor 433 in the first mounting groove 432 outputs a torque to drive the calibration gear 434 to rotate. The rotation of the calibration gear 434 acts on the rack 442 in the second mounting groove 441, causing the rack 442 to move under force. The movement of the rack 442 drives the calibration block 44 to move, so that the calibration block 44 returns to the first mounting cavity 431. At the same time, the movement of the calibration block 44 compresses the calibration spring 45, providing elastic potential energy for pushing out the calibration block 44 during the next calibration.

[0029] like Figure 3 , Figure 5 , Figure 6 and Figure 8 As shown, the calibration block 44 is provided with a detection block 46, and the detection block 46 and the calibration block 44 are fastened together. The detection block 46 is provided with a detection groove 461, and there are multiple detection grooves 461. A detection roller 462 is provided in the detection groove 461, and the detection roller 462 and the detection groove 461 are rotatably connected. A detection magnet 463 is provided in the detection groove 461, and the detection magnet 463 is placed on both sides of the detection roller 462. An electromagnetic coil is provided in the detection roller 462.

[0030] The detection groove 461 serves as the main mounting base for positioning the detection roller 462 and the detection magnet 463. When the calibration block 44 contacts the inner wall of the steel pipe, the detection roller 462 also contacts the inner wall of the steel pipe. When the steel pipe moves during welding, the friction between the inner wall of the steel pipe and the detection roller 462 causes the detection roller 462 to rotate. The rotation of the detection roller 462 causes the electromagnetic coil of the detection roller 462 to cut the magnetic field lines. The different rotation speeds of the detection roller 462 result in different electrical signals generated by the electromagnetic coil cutting the magnetic field lines. The faster the detection roller 462 rotates, the stronger the electrical signal generated by the electromagnetic coil and the greater the rotation amplitude at that point. Then, the fixing device 3 adjusts the position of the largest deflection to ensure the welding quality.

[0031] like Figures 3-5 As shown, the drive device 5 includes a fixed plate 51 and a drive cylinder 52. The fixed plate 51 is fastened to the welding table 2. The drive cylinder 52 is placed on the fixed plate 51 and on the symmetrical plane of the fixed plate 51. The output end of the drive cylinder 52 is fastened to the calibration cylinder 41.

[0032] The fixed plate 51 serves as the main mounting base for installing other components. When the steel pipe needs to be calibrated, the output of the drive cylinder 52 drives the calibration cylinder 41 to move until the calibration cylinder 41 is sent to the designated position.

[0033] like Figure 1 As shown, the welding table 2 is provided with a first fixed mounting cavity 21 and a second fixed mounting cavity 22. The first fixed mounting cavity 21 is connected to the fixing device 3, and the second fixed mounting cavity 22 is connected to the fixing device 3. There are four first fixed mounting cavities 21 and four second fixed mounting cavities 22. The four first fixed mounting cavities 21 are symmetrically distributed, and the four second fixed mounting cavities 22 are symmetrically distributed.

[0034] The first fixed mounting cavity 21 and the second fixed mounting cavity 22 serve as the main mounting base for positioning other components. At the same time, the first fixed mounting cavity 21 is set between the two second fixed mounting cavities 22. By setting four first fixed mounting cavities 21 and two fixed mounting cavities 22, a working position is provided for the fixing device 3 to fix the steel pipe, making it easier for the fixing device 3 to fix the steel pipes on both sides.

[0035] like Figures 1-4 As shown, the fixing device 3 includes a first fixing cylinder 31, a first moving block 32, a first rotating motor 33, and a first fixing gripper 34. The first fixing cylinder 31 is provided in the first fixing mounting cavity 21, and the first fixing cylinder 31 and the first fixing mounting cavity 21 are fastened together. The output end of the first fixing cylinder 31 is fastened together with the first moving block 32. The first moving block 32 is provided with a third mounting groove 321, and the first rotating motor 33 is provided in the third mounting groove 321. There are two first rotating motors 33, and the two first rotating motors 33 are provided with first fixing grippers 34. The first fixing grippers 34 are fastened together with the output end of the first rotating motor 33.

[0036] The first fixed mounting cavity 21 provides an installation position for the first fixed cylinder 31. Before welding, the first fixed clamp 34 is opened by the output of the first rotating motor 33. Then, the worker places the steel pipe to be welded into the first fixed clamp 34 on both sides. The steel pipe is fixed by the four first fixed clamps 34. When the steel pipe is large, the output of the first fixed cylinder 31 drives the first moving block 32 to move. The movement of the first moving block 32 drives the first rotating motor 33 to move. The movement of the first rotating motor 33 drives the first fixed clamp 34 to move, thereby causing the first fixed clamp 34 to move to both sides. At the same time, the output of the first rotating motor 33 drives the first fixed clamp 34 to rotate, thereby clamping and fixing the steel pipe.

[0037] like Figures 1-4As shown, the fixing device 3 also includes a second fixing cylinder 35, a second moving block 36, a second rotating motor 37, a second fixing gripper 38, and a rotating motor 39. The second fixing cylinder 35 is provided in the second fixing mounting cavity 22. The output end of the second fixing cylinder 35 is fastened to the second moving block 36. The second moving block 36 is placed in the second fixing mounting cavity 22. A rotating base 361 is provided on the second moving block 36. A rotating mounting cavity is also provided on the second moving block 36. The rotating motor 39 is placed in the rotating mounting cavity. The output end of the rotating motor 39 is fastened to the rotating base 361. The rotating base 361 is provided with two second rotating motors 37. The two second rotating motors 37 are fastened to the rotating base 361. The output end of the second rotating motor 37 is provided with a second fixing gripper 38. The second fixing gripper 38 and the output end of the second rotating motor 37 are fastened to each other.

[0038] The second fixed mounting cavity 22 provides an installation position for the second fixed cylinder 35. Before welding begins, the second fixed clamp 38 is opened by rotating the second rotary motor 37. Then, the worker places the steel pipe to be welded into the first fixed clamp 34 and the second fixed clamp 38, so that the first fixed clamp 34 and the second fixed clamp 38 simultaneously fix the steel pipe. When the electromagnetic coil transmits an electrical signal, the rotary motor 39 outputs an output to drive the rotary base 361 to rotate. The rotation of the rotary base 361 drives the second rotary motor 37 to rotate, which in turn drives the second fixed clamp 38 to rotate. The rotation of the second fixed clamp 38 drives the steel pipe to rotate. The rotation angle of the second fixed clamp 38 is different depending on the value of the electrical signal transmitted by the electromagnetic coil, so that the steel pipe will not deflect during the welding process.

[0039] The working principle of this invention: Before welding begins, the worker places the steel pipe to be welded into the first fixed jaw 34 and the second fixed jaw 38, so that the first fixed jaw 34 and the second fixed jaw 38 simultaneously fix the steel pipe. The steel pipe is fixed by the fixing device 3, and the positions of the steel pipes on both sides are aligned. The calibration device 4 is sent to the working position by the drive device 5. Then, the welding robot 1 welds the steel pipe. During the welding process, the position of the steel pipe is calibrated by the calibration device 4. The calibration spring 45 releases elastic potential energy to push the calibration block 44 out of the first mounting cavity 431, so that the four calibration blocks 44 simultaneously contact the inner wall of the steel pipe. This allows the calibration blocks 44 to detect the position of the steel pipe from multiple directions simultaneously. When the steel pipe moves during the welding process, the friction of the inner wall of the steel pipe against the detection roller 462 causes the detection roller 462 to rotate. The rotation of the detection roller 462 causes its electromagnetic coil to cut magnetic field lines. Different rotation speeds of the detection roller 462 result in different electrical signals generated by the electromagnetic coil cutting the magnetic field lines. The faster the detection roller 462 rotates, the stronger the electrical signal generated by the electromagnetic coil, and the greater the rotation amplitude at that point. The fixing device 3 then adjusts the position to the point of maximum deflection. When the electromagnetic coil transmits an electrical signal, the rotary motor 39 drives the rotary base 361 to rotate. The rotation of the rotary base 361 drives the second rotary motor 37 to rotate, which in turn drives the second fixed clamp 38 to rotate. The rotation of the second fixed clamp 38 causes the steel pipe to rotate. The rotation angle of the second fixed clamp 38 varies depending on the electrical signal value transmitted by the electromagnetic coil, thus preventing the steel pipe from deflecting during welding and ensuring welding quality.

[0040] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A construction welding device with a position calibration function, characterized in that: The welding equipment includes a welding robot (1), a welding table (2), a fixing device (3), a calibration device (4) and a driving device (5), the welding robot (1) is arranged on one side of the welding table (2), the welding table (2) is connected with the fixing device (3), the welding table (2) is connected with the driving device (5), the calibration device (4) is arranged on the driving device (5), the driving device (5) is connected with the calibration device (4), the driving device (5) has two, and the two driving devices (5) are arranged on two ends of the welding table (2).

2. The construction welding apparatus with a position calibration function according to claim 1, characterized in that: The calibration device (4) includes a calibration cylinder (41), a calibration rod (42), a calibration fixed block (43), a calibration block (44) and a calibration spring (45), the calibration cylinder (41) is connected with the driving device (5), the output end of the calibration cylinder (41) is fixedly connected with the calibration rod (42), the calibration rod (42) is fixedly connected with the calibration fixed block (43), the calibration fixed block (43) has four, the four calibration fixed blocks (43) are symmetrically arranged about the center of the calibration rod (42), so that the first mounting cavity (431) and the first mounting groove (432) are arranged on the calibration fixed block (43), the calibration spring (45) is arranged in the first mounting cavity (431), the calibration spring (45) is fixedly connected with the first mounting cavity (431), the calibration block (44) is arranged in the first mounting cavity (431), the calibration block (44) is slidably connected with the first mounting cavity (431), the calibration motor (433) is arranged on the first mounting groove (432), the calibration gear (434) is arranged on the output end of the calibration motor (433), the calibration gear (434) is fixedly connected with the output end of the calibration motor (433), the second mounting groove (441) is arranged on the calibration block (44), the rack (442) is arranged in the second mounting groove (441), the rack (442) is fixedly connected with the second mounting groove (441), and the calibration gear (434) is engaged with the rack (442).

3. The construction welding apparatus with a position calibration function according to claim 2, characterized in that: The calibration block (44) is provided with a detection block (46), the detection block (46) is fixedly connected with the calibration block (44), the detection groove (461) is arranged on the detection block (46), the detection groove (461) has a plurality of, the detection roller (462) is arranged in the detection groove (461), the detection roller (462) is rotatably connected with the detection groove (461), the detection magnet (463) is arranged in the detection groove (461), the detection magnet (463) is arranged on both sides of the detection roller (462), and the electromagnetic coil is arranged in the detection roller (462).

4. The construction welding apparatus with a position calibration function according to claim 1, characterized in that: The driving device (5) includes a fixed plate (51) and a driving cylinder (52), the fixed plate (51) is fixedly connected with the welding table (2), the driving cylinder (52) is arranged on the fixed plate (51), the driving cylinder (52) is arranged on the symmetry plane of the fixed plate (51), and the output end of the driving cylinder (52) is fixedly connected with the calibration cylinder (41).

5. The construction welding apparatus with a position calibration function according to claim 1, characterized in that: The welding platform (2) is provided with first fixed installation cavities (21) and second fixed installation cavities (22), the first fixed installation cavities (21) are connected with the fixing device (3), the second fixed installation cavities (22) are connected with the fixing device (3), the first fixed installation cavities (21) are four, the second fixed installation cavities (22) are four, the four first fixed installation cavities (21) are symmetrically distributed, and the four second fixed installation cavities (22) are symmetrically distributed.

6. The construction welding apparatus with a position calibration function according to claim 5, characterized in that: The fixing device (3) comprises first fixed cylinders (31), first moving blocks (32), first rotating motors (33) and first fixed clamping jaws (34), the first fixed installation cavities (21) are provided with the first fixed cylinders (31), the first fixed cylinders (31) are tightly connected with the first fixed installation cavities (21), output ends of the first fixed cylinders (31) are tightly connected with the first moving blocks (32), the first moving blocks (32) are provided with third installation grooves (321), the third installation grooves (321) are provided with the first rotating motors (33), the first rotating motors (33) are two, the first fixed clamping jaws (34) are provided on the two first rotating motors (33), and the first fixed clamping jaws (34) are tightly connected with output ends of the first rotating motors (33).

7. The construction welding apparatus with a position calibration function according to claim 6, characterized in that: The fixing device (3) further comprises second fixed cylinders (35), second moving blocks (36), second rotating motors (37), second fixed clamping jaws (38) and rotating motors (39), the second fixed installation cavities (22) are provided with the second fixed cylinders (35), output ends of the second fixed cylinders (35) are tightly connected with the second moving blocks (36), the second moving blocks (36) are arranged in the second fixed installation cavities (22), the second moving blocks (36) are provided with rotating bases (361), the second moving blocks (36) are further provided with rotating installation cavities, the rotating motors (39) are arranged in the rotating installation cavities, output ends of the rotating motors (39) are tightly connected with the rotating bases (361), the rotating bases (361) are provided with the second rotating motors (37), the second rotating motors (37) are two, the two second rotating motors (37) are tightly connected with the rotating bases (361), the second fixed clamping jaws (38) are provided on output ends of the second rotating motors (37), and the second fixed clamping jaws (38) are tightly connected with output ends of the second rotating motors (37).

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