Welding device and method for machining precision steel pipe for vehicle

Abstract

The invention provides a welding device and method for machining a precision steel pipe for a vehicle. The invention discloses a welding device and method for machining of a precise steel pipe for a vehicle. The welding device comprises an outer side box body, a sliding groove is formed in the inner surface of the outer side box body, a temperature sensor is fixedly connected to the inner surface of the outer side box body, a glass panel is arranged on the front surface of the outer side box body, and a semitransparent glass plate is arranged in the glass panel. According to the welding device and method for machining the precision steel pipe for the vehicle, through the structures such as the outer side box body, the temperature sensor and the glass panel, the requirement for the environment is effectively lowered, welding operation can be conducted in more diverse working environments, and the gas storage tank body and the guide pipe system ensure stable supply of gas and conduct local cooling; and the stability and the adaptability of the device are greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of precision steel tube processing, and in particular to a welding device and method for processing precision steel tubes for vehicles. Background Art

[0002] The welding device for automotive precision steel pipe processing is specially used for precision steel pipe processing of new energy vehicles, aiming to improve welding accuracy and production efficiency. Its design focuses on meeting the high requirements of the new energy vehicle industry for steel pipe strength, durability and processing accuracy. Through high-precision laser welding technology, the weld of the steel pipe can remain delicate and uniform, avoiding the common problems of uneven welds, loose welding, and excessive heat-affected zone in traditional welding methods, greatly improving the quality and reliability of the product. It can automatically monitor temperature fluctuations during welding and dynamically adjust the laser power and welding speed to ensure consistent welding quality under different conditions. In addition, the high-precision sensor in the system can accurately detect the displacement of the steel pipe and automatically adjust it according to the position deviation to further improve the stability and accuracy of welding.

[0003] Current welding devices and methods still have some defects. During the welding process, the device has high environmental requirements and needs to be operated in a clean, constant temperature environment, which increases production costs. The high temperature generated during the welding process can cause local thermal deformation of the steel pipe, affecting the precision of the finished product, and additional cooling measures need to be taken to control it. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a welding device and method for processing automotive precision steel pipes, which solves the problem that the device has high environmental requirements; and solves the problem that the high temperature generated during the welding process can cause local thermal deformation of the steel pipe.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A welding device for processing precision steel pipes for vehicles, comprising:

[0006] An outer box, wherein the inner surface of the outer box is provided with a sliding groove, the inner surface of the outer box is fixedly connected with a temperature sensor, the front surface of the outer box is provided with a glass panel, and a translucent glass plate is provided inside the glass panel;

[0007] A welding device, the welding device supporting the assembly and the welding assembly;

[0008] The upper surface of the outer box body is fixedly connected to the gas storage tank body, the side surface of the gas storage tank body is provided with a transverse conduit, a ball valve is provided on the transverse conduit, the output end of the ball valve is fixedly connected to the longitudinal conduit, and the lower end of the longitudinal conduit is fixedly connected to the universal metal conduit.

[0009] Preferably, the support assembly includes a magnetic base plate, a support plate, bolts, a first rotating shaft, a first motor, a second motor, a second rotating shaft, a connecting sleeve and a third motor.

[0010] Preferably, the upper surface of the magnetic base plate is fixedly connected to the support plate, the bolt passes through the support plate and extends to the interior of the magnetic base plate, the upper surface of the support plate is fixedly connected to the first rotating shaft, the output end of the first motor is fixedly connected to the first rotating shaft, and the side surface of the first motor is fixedly connected to the second motor.

[0011] Preferably, one end of the second motor away from the first motor is fixedly connected to the connecting sleeve, the upper surface of the connecting sleeve is fixedly connected to the third motor, the output end of the third motor is fixedly connected to the third rotating shaft, and the output end of the third rotating shaft is fixedly connected to the fixed disk.

[0012] Preferably, the welding assembly includes a welding contact point, a telescopic rod, a rotating rod and a welding electrode, the telescopic rod is rotatably connected to the fixed disk, the rotating rod is fixedly connected to the side surface of the fixed disk, the telescopic rod is rotatably connected to the fixed cylinder, the side surface of the fixed cylinder is fixedly connected to the welding electrode, the welding contact point is located at one end of the first motor away from the fixed cylinder, and the number of the first motors is two and they are distributed up and down.

[0013] Preferably, a gas filling valve is provided on the upper surface of the gas storage tank body, and the gas storage tank body is distributed on the left and right.

[0014] Preferably, one end of the universal metal conduit away from the longitudinal conduit is fixedly connected with a conical head, and a valve handle is provided on the ball head valve.

[0015] A welding method for machining a precision steel pipe for a vehicle comprises the following steps:

[0016] S1. Ensure that all components of the welding device are connected normally, check whether all motors, conduits, valves, etc. are in normal working condition, pressurize the gas storage tank through the gas filling valve to ensure sufficient gas supply during welding;

[0017] S2. Place the automotive precision steel pipe to be welded in the welding device, use the magnetic bottom plate and the support plate to stabilize the steel pipe, and adjust the bolts to fix the steel pipe more firmly on the support plate to prevent displacement during the welding process;

[0018] S3, starting the support assembly of the welding device, including the first motor and the second motor, adjusting the first rotating shaft and the second rotating shaft, so that the welding electrode and the welding contact point are in a suitable position, so as to accurately perform the welding operation;

[0019] S4, controlling the third motor to drive the third rotating shaft to drive the fixed plate to rotate, so that the welding assembly contacts the surface of the steel pipe;

[0020] S5. The telescopic rod is rotatably connected to the fixed plate, and the position of the welding electrode can be adjusted as needed to ensure accurate contact between the welding electrode and the steel pipe;

[0021] S6. When welding starts, the welding electrode contacts the steel pipe and generates high temperature, and welding begins. The welding temperature is monitored in real time by the temperature sensor to ensure that the temperature is stable within the set range during the welding process;

[0022] S7. The ball valve can be used to adjust the gas supply in the gas tank as needed. The longitudinal conduit and the universal metal conduit ensure that the gas can be stably supplied during the welding process, and the conical head further guides the gas flow to the welding area.

[0023] S8. When the welding process is finished, turn off the welding electrode, stop the motor, observe the welding effect through the glass panel, and ensure the operator to monitor the welding process safely through the translucent glass plate;

[0024] S9. After welding is completed, release the steel pipe and carry out necessary cleaning and inspection to ensure that the welding point is smooth and firm and meets the process requirements.

[0025] The present invention provides a welding device and method for processing precision steel pipes for vehicles, which have the following beneficial effects:

[0026] The welding device and method for processing automotive precision steel pipes effectively reduce the requirements for the environment through structures such as the outer box, temperature sensors and glass panels, allowing welding operations to be performed in a more diverse working environment. The gas tank and duct system ensure a stable supply of gas and perform local cooling, greatly improving the stability and adaptability of the device.

[0027] The present invention successfully solves the problem of local thermal deformation of steel pipes caused by high temperature during welding through precise support and welding component design, especially using temperature sensors to monitor welding temperature in real time. Welding electrodes, telescopic rods and other components can achieve precise welding operations, ensuring the consistency of welding quality and processing accuracy, and avoiding external interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the internal structure of the present invention;

[0029] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0030] Figure 3 It is a partial structural schematic diagram of the present invention;

[0031] Figure 4 For the present invention Figure 3A schematic diagram of the structure enlargement in the middle;

[0032] Figure 5 For the present invention Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0033] Figure 6 It is a schematic diagram of the catheter structure of the present invention.

[0034] Among them, 1. outer box; 2. temperature sensor; 3. sliding groove; 4. magnetic bottom plate; 5. glass panel; 6. translucent glass plate; 7. gas storage tank body; 8. gas filling valve; 9. horizontal guide tube; 10. ball head valve; 11. valve handle; 12. longitudinal guide tube; 13. universal metal guide tube; 14. welding contact point; 15. support plate; 16. bolt; 17. first rotating shaft; 18. first motor; 19. second motor; 20. second rotating shaft; 21. connecting sleeve; 22. third motor; 23. third rotating shaft; 24. fixed plate; 25. rotating rod; 26. telescopic rod; 27. fixed cylinder; 28. welding electrode. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] like Figure 1-6 As shown, an embodiment of the present invention provides a welding device for processing automotive precision steel pipes, including an outer box body 1, the inner surface of the outer box body 1 is provided with a sliding groove 3, the inner surface of the outer box body 1 is fixedly connected with a temperature sensor 2, the front surface of the outer box body 1 is provided with a glass panel 5, and the interior of the glass panel 5 is provided with a translucent glass plate 6.

[0037] Welding device, welding device support assembly and welding assembly, the support assembly includes a magnetic base plate 4, a support plate 15, a bolt 16, a first rotating shaft 17, a first motor 18, a second motor 19, a second rotating shaft 20, a connecting sleeve 21 and a third motor 22, the upper surface of the magnetic base plate 4 is fixedly connected to the support plate 15, the bolt 16 passes through the support plate 15 and extends to the inside of the magnetic base plate 4, the upper surface of the support plate 15 is fixedly connected to the first rotating shaft 17, the output end of the first motor 18 is fixedly connected to the first rotating shaft 17, the side surface of the first motor 18 is fixedly connected to the second motor 19, and the end of the second motor 19 away from the first motor 18 is connected to the connecting sleeve 21 Fixed connection, the upper surface of the connecting sleeve 21 is fixedly connected to the third motor 22, the output end of the third motor 22 is fixedly connected to the third rotating shaft 23, the output end of the third rotating shaft 23 is fixedly connected to the fixed disk 24, the welding assembly includes a welding contact 14, a telescopic rod 26, a rotating rod 25 and a welding electrode 28, the telescopic rod 26 is rotatably connected to the fixed disk 24, the rotating rod 25 is fixedly connected to the side surface of the fixed disk 24, the telescopic rod 26 is rotatably connected to the fixed cylinder 27, the side surface of the fixed cylinder 27 is fixedly connected to the welding electrode 28, the welding contact 14 is located at the end of the first motor 18 away from the fixed cylinder 27, and the number of the first motor 18 is two and distributed up and down.

[0038] The upper surface of the outer box body 1 is fixedly connected to a gas storage tank body 7, and a gas filling valve 8 is arranged on the upper surface of the gas storage tank body 7. The gas storage tank body 7 is distributed on the left and right, and a transverse conduit 9 is arranged on the side surface of the gas storage tank body 7. A ball valve 10 is arranged on the transverse conduit 9, and the output end of the ball valve 10 is fixedly connected to a longitudinal conduit 12, and the lower end of the longitudinal conduit 12 is fixedly connected to a universal metal conduit 13, and the end of the universal metal conduit 13 away from the longitudinal conduit 12 is fixedly connected to a conical head, and a valve handle 11 is arranged on the ball valve 10.

[0039] A welding method for machining a precision steel pipe for a vehicle comprises the following steps:

[0040] S1. Ensure that all components of the welding device are connected normally, check whether all motors, conduits, valves, etc. are in normal working condition, pressurize the gas storage tank 7 through the gas filling valve 8, and ensure that the gas required during the welding process is adequately supplied.

[0041] S2. Place the automotive precision steel pipe to be welded in the welding device, and use the magnetic bottom plate 4 and the support plate 15 to stabilize the steel pipe. By adjusting the bolts 16, the steel pipe can be more firmly fixed on the support plate 15 to prevent displacement during the welding process.

[0042] S3. Start the support assembly of the welding device, including the first motor 18 and the second motor 19, and adjust the first rotating shaft 17 and the second rotating shaft 20 so that the welding electrode 28 and the welding contact point 14 are in a suitable position to accurately perform the welding operation.

[0043] S4, by controlling the third motor 22, driving the third rotating shaft 23 to drive the fixed plate 24 to rotate, so that the welding assembly contacts the surface of the steel pipe;

[0044] S5. The telescopic rod 26 is rotatably connected to the fixed plate 24, and the position of the welding electrode 28 can be adjusted as needed to ensure that the welding electrode 28 is in precise contact with the steel pipe.

[0045] S6. When welding starts, the welding electrode 28 contacts the steel pipe to generate high temperature, and welding begins. The welding temperature is monitored in real time by the temperature sensor 2 to ensure that the temperature is stable within the set range during the welding process.

[0046] S7. As needed, the ball valve 10 can be used to adjust the gas supply in the gas storage tank 7. The longitudinal conduit 12 and the universal metal conduit 13 ensure that the gas can be stably supplied during the welding process, and the conical head further guides the gas flow to the welding area.

[0047] S8. When the welding process is finished, the welding electrode 28 is turned off, the motor is stopped, the welding effect is observed through the glass panel 5, and the semi-transparent glass plate 6 is used to ensure that the operator safely monitors the welding process.

[0048] S9. After welding is completed, release the steel pipe and carry out necessary cleaning and inspection to ensure that the welding point is smooth and firm and meets the process requirements.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding device for processing precision steel pipes for vehicles, characterized in that: include: An outer box (1), the inner surface of the outer box (1) is provided with a sliding groove (3), the inner surface of the outer box (1) is fixedly connected with a temperature sensor (2), the front surface of the outer box (1) is provided with a glass panel (5), and a translucent glass plate (6) is provided inside the glass panel (5); A welding device, the welding device supporting the assembly and the welding assembly; The upper surface of the outer box body (1) is fixedly connected to a gas storage tank body (7), the side surface of the gas storage tank body (7) is provided with a transverse conduit (9), a ball valve (10) is provided on the transverse conduit (9), the output end of the ball valve (10) is fixedly connected to a longitudinal conduit (12), and the lower end of the longitudinal conduit (12) is fixedly connected to a universal metal conduit (13).

2. The welding device for machining precision steel pipes for vehicles according to claim 1, characterized in that: The support assembly comprises a magnetic base plate (4), a support plate (15), bolts (16), a first rotating shaft (17), a first motor (18), a second motor (19), a second rotating shaft (20), a connecting sleeve (21) and a third motor (22).

3. The welding device for machining precision steel pipes for vehicles according to claim 2, characterized in that: The upper surface of the magnetic base plate (4) is fixedly connected to the support plate (15), the bolt (16) passes through the support plate (15) and extends to the inside of the magnetic base plate (4), the upper surface of the support plate (15) is fixedly connected to the first rotating shaft (17), the output end of the first motor (18) is fixedly connected to the first rotating shaft (17), and the side surface of the first motor (18) is fixedly connected to the second motor (19).

4. The welding device for machining precision steel pipes for vehicles according to claim 3 is characterized in that: One end of the second motor (19) away from the first motor (18) is fixedly connected to a connecting sleeve (21), an upper surface of the connecting sleeve (21) is fixedly connected to a third motor (22), an output end of the third motor (22) is fixedly connected to a third rotating shaft (23), and an output end of the third rotating shaft (23) is fixedly connected to a fixed disk (24).

5. The welding device for machining precision steel pipes for vehicles according to claim 1, characterized in that: The welding assembly comprises a welding contact point (14), a telescopic rod (26), a rotating rod (25) and a welding electrode (28); the telescopic rod (26) is rotatably connected to a fixed disk (24); the rotating rod (25) is fixedly connected to a side surface of the fixed disk (24); the telescopic rod (26) is rotatably connected to a fixed cylinder (27); the side surface of the fixed cylinder (27) is fixedly connected to the welding electrode (28); the welding contact point (14) is located at an end of a first motor (18) away from the fixed cylinder (27); and the number of the first motor (18) is two and they are distributed up and down.

6. The welding device for machining precision steel pipes for vehicles according to claim 1, characterized in that: The upper surface of the gas storage tank body (7) is provided with a gas filling valve (8), and the gas storage tank body (7) is distributed on the left and right.

7. The welding device for machining precision steel pipes for vehicles according to claim 1, characterized in that: One end of the universal metal conduit (13) away from the longitudinal conduit (12) is fixedly connected to a conical head, and a valve handle (11) is provided on the ball valve (10).

8. A welding method for processing precision steel pipes for vehicles, characterized in that: The following steps are involved: S1. Ensure that all components of the welding device are properly connected, check whether all motors, conduits, valves, etc. are in normal working condition, and pressurize the gas storage tank (7) through the gas filling valve (8) to ensure that the gas required during the welding process is adequately supplied; S2. Place the automotive precision steel pipe to be welded in the welding device, and use the magnetic bottom plate (4) and the support plate (15) to stabilize the steel pipe. By adjusting the bolts (16), the steel pipe can be more firmly fixed on the support plate (15) to prevent displacement during the welding process; S3, starting the support assembly of the welding device, including the first motor (18) and the second motor (19), adjusting the first rotating shaft (17) and the second rotating shaft (20) so that the welding electrode (28) and the welding contact point (14) are in a suitable position so as to accurately perform the welding operation; S4, controlling the third motor (22) to drive the third rotating shaft (23) to drive the fixed plate (24) to rotate, so that the welding assembly contacts the surface of the steel pipe; S5, the telescopic rod (26) is rotatably connected to the fixed plate (24), and the position of the welding electrode (28) can be adjusted as needed, thereby ensuring that the welding electrode (28) is in precise contact with the steel pipe; S6, when welding starts, the welding electrode (28) contacts the steel pipe to generate high temperature, and welding begins. The welding temperature is monitored in real time by the temperature sensor (2) to ensure that the temperature is stable within a set range during the welding process; S7. The gas supply in the gas storage tank (7) can be adjusted by the ball valve (10) as needed. The longitudinal conduit (12) and the universal metal conduit (13) ensure that the gas can be stably supplied during the welding process, and the conical head further guides the gas flow to the welding area; S8. When the welding process is finished, the welding electrode (28) is turned off, the motor is stopped, the welding effect is observed through the glass panel (5), and the semi-transparent glass plate (6) is used to ensure that the operator can safely monitor the welding process; S9. After welding is completed, release the steel pipe and carry out necessary cleaning and inspection to ensure that the welding point is smooth and firm and meets the process requirements.

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