Aircraft bent guide pipe welding assembly positioning platform and using method thereof

Abstract

The invention belongs to the technical field of metal argon arc welding, and discloses an aircraft bent guide pipe welding assembly positioning platform and a using method thereof. The base platform is provided with two sets of vertical guide rails, and the guide rails in each set of guide rails are parallel to each other; the slide rail is arranged on the guide rail; the catheter clamping mechanism and the rotary vice are respectively and movably positioned on the slide rail through the slide block; the catheter clamping mechanism comprises a clamp and a zigzag spring pipe; one end of the zigzag spring pipe is fixed in the center of the sliding block; and the rotary vice is fixed on the sliding block through a rotating device. Through the combination of the guide rail, the sliding rail, the zigzag spring pipe and the rotary vice, the positioning platform can be flexibly adjusted to adapt to guide pipes of various shapes and sizes, and the welding efficiency is improved. The accurate adjusting function of the clamp ensures that the guide pipe keeps stable relative position and coaxiality in the welding process, and the welding quality is improved.

Description

Technical Field

[0001] The invention relates to the technical field of metal argon arc welding, and in particular to an aircraft curved conduit welding assembly positioning platform and a use method thereof. Background Art

[0002] In aircraft manufacturing, welding of curved ducts is an important process for connecting pipeline systems. However, due to the various shapes of aircraft ducts, especially complex curved ducts, existing fixtures are difficult to ensure the precise coaxiality of the butt welding of curved ducts, resulting in poor welding positioning quality, which indirectly affects the performance of the entire aircraft. Therefore, inventing a positioning platform that can ensure the precise control of the coaxiality of curved ducts during positioning welding is of great significance for improving the welding efficiency and quality of curved ducts.

[0003] The existing aircraft positioning fixture cannot meet the positioning accuracy of aircraft curved ducts, the operation method is inconvenient, and the positioning welding of aircraft curved ducts cannot be completed efficiently. By redesigning an aircraft curved duct welding positioning platform to solve the positioning welding problem, the welding efficiency and quality are improved. Summary of the invention

[0004] The invention designs an aircraft curved conduit welding assembly positioning platform, which is used as a welding positioning fixture for curved conduits. The platform can be flexibly combined through modular design to meet the positioning welding requirements of conduits of various shapes, thereby improving the efficiency and quality of positioning welding.

[0005] The technical solution of the present invention is as follows: an aircraft curved conduit welding assembly positioning platform, comprising a base platform 8, a guide rail 4, a slide rail 9, a conduit clamping mechanism and a rotating vise 6;

[0006] Two sets of guide rails 4 in a vertical relationship are arranged on the base platform 8, and the guide rails in each set of guide rails 4 are parallel to each other; the slide rail 9 is arranged on the guide rail 4; the catheter clamping mechanism and the rotating vise 6 are moved and positioned on the slide rail 9 through the slider 3 respectively;

[0007] The catheter clamping mechanism comprises a clamp 1 and a coiled spring 2; one end of the coiled spring 2 is fixed to the center of the slider 3, and the other end is connected to the clamp 1;

[0008] The rotating vise 6 is fixed on the slide block 3 via a rotating device 5 .

[0009] The slider 3 is a copper slider, and two ends of the slider span two parallel guide rails 4 .

[0010] One set of guide rails 4 is located at one end of another set of guide rails 4; the catheter clamping mechanism and the rotating vise 6 are arranged in sequence.

[0011] The spring tube 2 can be bent freely according to the shape of the catheter to ensure the stability of clamping.

[0012] The clip 1 is provided in a variety of different models.

[0013] The rotating device is used for fine adjustment during the welding process of the rotating vise 6 .

[0014] A method for using an aircraft curved conduit welding assembly positioning platform comprises the following steps:

[0015] Step 1: Platform assembly and adjustment;

[0016] Fix the base platform 8 on a stable welding workbench to ensure that the platform is stable and does not shake;

[0017] Install the four guide rails 4 above the base platform 8 respectively, and ensure that the parallelism and spacing between the guide rails 4 meet the requirements;

[0018] Install two slide rails 9 on each guide rail 4 to ensure that the slide rails 9 can slide smoothly on the guide rails 4;

[0019] Fix the catheter clamping mechanism and the rotating vise 6 on the slide rail 9 through the slider 3, and adjust the position and angle as needed;

[0020] Step 2: catheter clamping and welding;

[0021] Place the conduit to be welded on the coiled spring 2 of the conduit clamping mechanism, and firmly clamp the conduit with the clamp 1;

[0022] The angle of the conduit is adjusted by rotating the rotating device 5 of the rotating vise 6 to ensure that the conduit is in the best welding position;

[0023] Use welding equipment to perform positioning welding on the catheter to ensure the stability and accuracy of the catheter during the welding process; after welding is completed, loosen the clamp 1 and remove the welded catheter from the platform.

[0024] Beneficial effects of the present invention:

[0025] 1) Highly flexible: Through the combination of guide rails, slide rails, coil springs and rotating vises, the positioning platform can be flexibly adjusted to adapt to conduits of various shapes and sizes, thereby improving welding efficiency.

[0026] 2) Precise control: The precise adjustment function of the fixture ensures that the catheter maintains a stable relative position and axiality during the welding process, improving the welding quality.

[0027] 3) Widely applicable: The fixture is designed with standardized interfaces, which is easy to integrate with other welding equipment and suitable for welding machines of different brands and models. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1This is a schematic diagram of a welding assembly positioning platform for aircraft curved ducts.

[0029] In the figure: 1-clip; 2-snake spring; 3-slider; 4-guide rail; 5-rotating device; 6-rotating vise; 7-bolt; 8-base; 9-slide rail. DETAILED DESCRIPTION

[0030] Depend on Figure 1 As shown, the aircraft curved duct welding assembly positioning platform proposed by the present invention is mainly composed of the following parts:

[0031] Base platform 8: serves as the foundation of the entire positioning platform and provides stable support.

[0032] Guide rails 4 and slide rails 9: located above the base 8 platform, there are four guide rails 4 in total, and each guide rail 4 is installed with two slide rails 9 for realizing the translation and positioning of the catheter clamping mechanism 7, 2, 1 and the rotating vise 6.

[0033] Catheter clamping mechanism: The copper slider 3 is assembled on the slide rail 9, and the center is fixed with a bolt 7 to fix the coiled spring 2. The coiled spring is provided with a clamp 1 on both sides to firmly clamp the catheter. The platform includes two catheter clamping mechanisms to meet the needs of welding two catheters at the same time.

[0034] Rotating vise 6: It is also assembled on the slide rail 9 through the copper slider 3. A rotating device 5 is arranged on the copper slider 3 to tighten the vise 6. The platform includes two sets of rotating vises 6, which allow the angle of the catheter to be adjusted during welding.

[0035] The steps to use are as follows:

[0036] Step 1: Platform assembly and adjustment;

[0037] Fix the base platform on a stable welding workbench to ensure that the platform is stable and does not shake.

[0038] Install four guide rails 4 above the base platform respectively, and ensure that the parallelism and spacing between the guide rails 4 meet the requirements.

[0039] Two slide rails 9 are installed on each guide rail to ensure that the slide rails can slide smoothly on the guide rails 4.

[0040] The catheter clamping mechanism and the rotating vise 6 are respectively fixed on the slide rail 9 through the copper slider 3, and their positions and angles are adjusted as needed.

[0041] Step 2: Catheter clamping and welding

[0042] Place the conduit to be welded above the coiled spring 2 of the conduit clamping mechanism, and clamp the conduit securely with the clamp 1.

[0043] If the angle of the conduit needs to be adjusted, it can be adjusted by rotating the rotating device 5 of the rotating vise 6 to ensure that the conduit is in the best welding position.

[0044] Use welding equipment to perform positioning welding on the catheter to ensure the stability and accuracy of the catheter during welding. After welding is completed, loosen the clamp 1 and remove the welded catheter from the platform.

[0045] Furthermore, a specific embodiment is used to illustrate: an aircraft curved catheter welding assembly positioning platform, comprising: a base platform 8, a guide rail 4, and a slide rail 9; above the base platform 8, there are four guide rails 4, each of which is equipped with two slide rails 9, and the guide rails are connected to the base platform by bolts; two sets of catheter clamping mechanisms are assembled on the slide rails 9 through copper sliders 3, and the coiled spring tube 2 is fixed on the copper slider 3 by bolts 7, and a clamp 1 is installed above the coiled spring tube 2 for clamping catheters of different shapes; two sets of rotating vises 6 are also assembled on the slide rails 9 through the copper slider 3, and each set of rotating vises 6 is equipped with a rotating device 5 for adjusting the clamping angle and fixing the upper vise to meet the welding requirements of different angles.

[0046] The spring tube 2 has high flexibility and elasticity and can be bent freely according to the shape of the catheter to ensure the stability of clamping.

[0047] The clip 1 is designed in various models to adapt to catheters of different diameters and shapes.

[0048] The swivel mechanism allows the swivel vise to be fine-tuned during the 6 welding process, ensuring precise alignment between the conduits.

[0049] All components adopt modular design, which can be flexibly combined and disassembled to meet the welding needs of conduits of different shapes and sizes.

Claims

1. An aircraft curved duct welding assembly positioning platform, characterized in that: The aircraft curved conduit welding assembly positioning platform comprises a base platform (8), a guide rail (4), a slide rail (9), a conduit clamping mechanism and a rotating vise (6); Two sets of guide rails (4) in a vertical relationship are arranged on the base platform (8), and the guide rails in each set of guide rails (4) are parallel to each other; the slide rail (9) is arranged on the guide rail (4); the catheter clamping mechanism and the rotating vise (6) are respectively moved and positioned on the slide rail (9) through the slider (3); The catheter clamping mechanism comprises a clamp (1) and a coiled spring (2); one end of the coiled spring (2) is fixed to the center of the slider (3), and the other end is connected to the clamp (1); The rotating vise (6) is fixed on the slide block (3) via a rotating device (5).

2. The aircraft curved conduit welding assembly positioning platform according to claim 1 is characterized in that: The slider (3) is a copper slider, and its two ends span two parallel guide rails (4).

3. The aircraft curved conduit welding assembly positioning platform according to claim 1 or 2, characterized in that: One set of guide rails (4) is located at one end of another set of guide rails (4); the catheter clamping mechanism and the rotating vise (6) are arranged in sequence.

4. The aircraft curved conduit welding assembly positioning platform according to claim 3 is characterized in that: The spring tube (2) is free to bend according to the shape of the catheter, thereby ensuring the stability of clamping.

5. The aircraft curved conduit welding assembly positioning platform according to claim 3, characterized in that: The clip (1) is provided in a variety of different models.

6. The aircraft curved conduit welding assembly positioning platform according to claim 3, characterized in that: The rotating device is used for fine adjustment during the welding process of the rotating vise (6).

7. A method for using the aircraft curved conduit welding assembly positioning platform according to any one of claims 1 to 6, characterized in that: The steps include: Step 1: Platform assembly and adjustment; Fix the base platform (8) on a stable welding workbench to ensure that the platform is stable and does not shake; The four guide rails (4) are respectively installed above the base platform (8) to ensure that the parallelism and spacing between the guide rails (4) meet the requirements; Install two slide rails (9) on each guide rail (4) to ensure that the slide rails (9) can slide smoothly on the guide rails (4); The catheter clamping mechanism and the rotating vise (6) are respectively fixed above the slide rail (9) through the slider (3), and the position and angle are adjusted as required; Step 2: catheter clamping and welding; Place the catheter to be welded above the coiled spring (2) of the catheter clamping mechanism, and firmly clamp the catheter with a clamp (1); The angle of the conduit is adjusted by a rotating device (5) of a rotating vise (6) to ensure that the conduit is in an optimal welding position; Use welding equipment to perform positioning welding on the catheter to ensure the stability and accuracy of the catheter during the welding process; after the welding is completed, release the clamp (1) and remove the welded catheter from the platform.

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