Uniform-section circular tube arc tubular joint welding tool

By designing a welding tool that includes components such as a support plate, a pipe holder, and an adapter, the accuracy and efficiency problems of traditional manual welding at arc-shaped intersection nodes of equal-section circular tubes are solved, achieving high-precision, safe and efficient welding operations.

CN223353419UActive Publication Date: 2025-09-19HENAN LIUJIAN HEAVY IND CO LTD
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Patent Information

Application Number
CN202422639119.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-09-19
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

Traditional manual welding methods have problems with insufficient precision control, low work efficiency and poor operational safety when welding arc-shaped intersections of circular tubes with equal cross-sections. This is especially difficult to meet the needs of mass production in applications with complex shapes or high requirements.

Method used

A welding fixture for arc-shaped intersecting nodes of uniform-section circular tubes is provided, which includes components such as a support plate, a pipe holder, an adapter, an auxiliary guide plate, and an adjustment cylinder. By accurately adjusting and fixing the position of the pipe, high-precision alignment and stability are ensured, thereby improving operational safety.

Benefits of technology

It improves welding accuracy and quality, simplifies operating procedures, enhances work efficiency and safety, adapts to pipes with different lengths and position requirements, and improves the versatility and flexibility of tooling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The uniform-section circular pipe arc tubular joint welding tool comprises a support plate, a pipe fitting clamping seat is arranged on the lower surface of the support plate, an adapting seat is arranged on one side of the upper surface of the support plate, an auxiliary guide plate is arranged on the adapting seat in an adapting mode, a sliding seat is arranged on the auxiliary guide plate in a sliding mode, and a clamping seat is arranged on the sliding seat. According to the welding device, the precision and quality of welding operation are improved, the working efficiency is further improved, the operation process is simplified, and the operation safety is enhanced; the pipe fitting clamping seat can be adjusted according to the specific diameter of the pipe fitting through the matching of the movable clamping group and the fixed clamping group, so that a good clamping effect is ensured; friction force is increased through anti-skid treatment on the clamping plate base, and the pipe fitting is prevented from sliding in the welding process; and the adapter and the auxiliary guide plate allow an operator to finely adjust the position of the pipe fitting in multiple dimensions, so that high-precision alignment is realized.
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Description

Technical Field

[0001] The present application relates to the technical field of pipe welding, and in particular to a welding tool for arc-shaped intersecting nodes of circular pipes with uniform cross-sections. Background Art

[0002] In modern industry, especially in the fields of pipeline engineering, building structures, and machinery manufacturing, welding of round pipes is a common process. Especially when it is necessary to connect two or more round pipes to form an arc-shaped intersecting node, the quality of welding directly affects the performance and safety of the final product. Although traditional manual welding methods are flexible, they have many shortcomings in terms of precision control, work efficiency, and operational safety. During manual welding, the relative position between pipe fittings is mainly determined by the operator's experience and visual inspection, which often leads to low welding accuracy, especially in applications with complex shapes or high requirements. Manually adjusting and fixing the position of pipe fittings takes a long time, especially in mass production. This inefficient operation method will significantly increase production costs. During manual operation, due to the lack of stable support and fixing devices, pipe fittings may move unexpectedly, increasing operational risks. Summary of the Invention

[0003] The technical problem to be solved by the present application is to overcome the existing defects and provide a welding tool for arc-shaped intersecting nodes of circular tubes with uniform cross-sections, which can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a welding tool for arc-shaped intersecting nodes of circular tubes with uniform cross-section, comprising a support plate, a pipe clamping seat is provided on the lower surface of the support plate, a transfer seat is provided on one side of the upper surface of the support plate, an auxiliary guide plate is connected to the transfer seat, a sliding seat is provided on the auxiliary guide plate for sliding, a pipe placement seat is provided on the sliding seat, a connecting block is provided on the lower surface of the auxiliary guide plate, a rotating shaft on the connecting block is sleeved with a support end head, the support end head is connected to the telescopic end of the adjusting cylinder provided on the support plate, and auxiliary clamping seats are provided on both sides of the upper surface of the support plate.

[0005] As an optimal technical solution of the present application, the pipe fitting holder includes a base plate support, an adjustment seat, a movable card group and a fixed card group. The base plate support is connected to the lower surface of the support plate, and the fixed card group is located on the base plate support. The fixed card group and the movable card group are located on the guide shaft of the adjustment seat, and the adjustment seat is connected to the fixed card group.

[0006] As a preferred technical solution of the present application, the adjustment seat includes a handle shaft, a sleeve shaft, a connecting support block and a guide shaft. The handle shaft is located in the end through hole of the sleeve shaft, the end of the handle shaft is connected to the connecting support block, and the guide shaft is arranged through the connecting support block.

[0007] As a preferred technical solution of the present application, the dynamic card group includes a dynamic bracket block and a card seat, and card seats are provided on both sides of the dynamic bracket block.

[0008] As a preferred technical solution of the present application, the fixed card group includes a side support plate, a card seat fixed plate, a transverse connecting shaft and a card seat guide block. The side support plate is connected to the base plate support, the card seat fixed plate is located on the inner side of the side support plate, the transverse connecting shaft is located at the front and rear ends of the card seat fixed plate, and the card seat guide block is arranged on the transverse connecting shaft close to the sleeve rotating shaft.

[0009] As a preferred technical solution of the present application, a cylinder mounting seat is provided on the support plate, and the cylinder mounting seat is sleeved with the adjusting cylinder.

[0010] As a preferred technical solution of the present application, the auxiliary card seat includes an auxiliary rotating seat, a telescopic shaft and a pipe fitting placement seat. A telescopic shaft is provided on one side of the auxiliary rotating seat, and the end of the telescopic shaft is connected to the pipe fitting placement seat.

[0011] As a preferred technical solution of the present application, the telescopic shaft has a self-locking function.

[0012] Compared with the existing technology: this application improves the accuracy and quality of welding operations, improves work efficiency, simplifies operating procedures, and enhances operational safety; the pipe clamp can be adjusted according to the specific diameter of the pipe through the cooperation of the dynamic clamp group and the fixed clamp group, ensuring a good clamping effect; the anti-slip treatment on the clamp seat increases friction to prevent the pipe from sliding during welding; the adapter seat and auxiliary guide plate allow the operator to finely adjust the position of the pipe in multiple dimensions, thereby achieving high-precision alignment; the handle shaft and adjustment cylinder allow the operator to quickly and conveniently adjust the position of the dynamic clamp group and the angle of the auxiliary guide plate, reducing the time for manual alignment; the combination of the telescopic shaft and the auxiliary swivel seat can adapt to pipes of different lengths and position requirements, improving the versatility and flexibility of the tooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an illustration of the structure of this application Figure 1 ;

[0014] Figure 2 This is the main view of the application structure;

[0015] Figure 3 This is an illustration of the structure of this application Figure 2 .

[0016] In the figure: 1 support plate, 2 pipe placement seat, 3 telescopic shaft, 4 sliding seat, 5 cylinder mounting seat, 6 connecting block, 7 adjusting cylinder, 8 adapter seat, 9 auxiliary guide plate, 10 support end, 11 card plate seat, 12 bottom plate support, 13 side support plate, 14 card seat fixed plate, 15 dynamic bracket block, 16 auxiliary swivel seat, 17 guide shaft, 18 card seat guide block, 19 handle shaft, 20 connecting support block, 21 transverse connecting shaft, 22 sleeve shaft. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application (for the convenience of description and understanding, the following is Figure 2 All other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the scope of protection of this application.

[0018] See also Figure 1-3 The present application provides a technical solution: a welding tool for arc-shaped intersecting nodes of uniform-section circular tubes, comprising a support plate 1, a pipe clamping seat being provided on the lower surface of the support plate 1, a transfer seat 8 being provided on one side of the upper surface of the support plate 1, an auxiliary guide plate 9 being transferred to the transfer seat 8, a sliding seat 4 being slidingly provided on the auxiliary guide plate 9, and a pipe placement seat 2 being provided on the sliding seat 4.

[0019] The support plate 1 is the basic platform of the entire tooling, providing a stable support for other components; the pipe holder fixes one end of the pipe to be welded, ensuring that it remains stationary during the entire welding process; the pipe holder is adjusted according to the specific diameter of the pipe to ensure a good clamping effect. The pipe holder is provided with teeth to increase friction and prevent the pipe from sliding; the adapter 8 connects and supports the auxiliary guide plate 9, allowing it to rotate within a certain range to facilitate adjustment of the angle of the auxiliary guide plate 9, and then adjust the inclination angle of the pipe to ensure the accuracy of welding; the auxiliary guide plate 9 provides a smooth track for the sliding seat 4 to move on it, so as to adapt to pipes of different lengths; the sliding seat 4 carries the pipe placement seat 2, allowing flexible adjustment of the spatial position of the pipe; the pipe placement seat 2 is used to place and fix the pipes to be welded together.

[0020] A connecting block 6 is provided on the lower surface of the auxiliary guide plate 9, and a support end 10 is sleeved on the rotating shaft on the connecting block 6. The support end 10 is connected to the telescopic end of the adjusting cylinder 7 provided on the support plate 1, and auxiliary clamping seats are provided on both sides of the upper surface of the support plate 1.

[0021] The connecting block 6 is a transition connection between the auxiliary guide plate 9 and the support end 10. One end of the support end 10 is connected to the rotating shaft on the connecting block 6, and the other end is connected to the telescopic end of the adjusting cylinder 7, converting the cylinder power into an angle change of the auxiliary guide plate 9. The adjusting cylinder 7 drives the support end 10 through the telescopic action, thereby changing the angle of the auxiliary guide plate 9, thereby achieving the purpose of finely adjusting the relative position between the pipe fittings. The auxiliary clamping seat is used to additionally support and fix the pipe fittings to be welded, providing the necessary stability during welding.

[0022] Furthermore, the pipe fitting holder includes a base plate support 12, an adjustment seat, a movable card group and a fixed card group. The base plate support 12 is connected to the lower surface of the support plate 1, and the fixed card group is located on the base plate support 12. The fixed card group and the movable card group are located on the guide shaft 17 of the adjustment seat, and the adjustment seat is connected to the fixed card group.

[0023] The bottom plate support 12 is the basis of the pipe fitting holder and is connected to the lower surface of the support plate 1 to provide a stable platform for installing the fixed card group, the movable card group and the adjustment seat.

[0024] The adjustment seat is used to adjust the relative position between the moving card group and the fixed card group to adapt to pipes of different diameters.

[0025] Furthermore, the adjustment seat includes a handle shaft 19, a sleeve shaft 22, a connecting support block 20 and a guide shaft 17. The handle shaft 19 is located in the end through hole of the sleeve shaft 22, the end of the handle shaft 19 is connected to the connecting support block 20, and the guide shaft 17 is set through the connecting support block 20.

[0026] The handle shaft 19 is the direct control point for the operator to manually adjust the distance between the moving card group and the fixed card group; the handle shaft 19 is easy to grasp and rotate, and is usually provided with anti-slip grooves or rubber sleeves to increase friction; when the operator rotates the handle, it drives the entire adjustment mechanism to work, and adjusts the position of the clamping mechanism through mechanical transmission; the handle shaft 19 is connected to the sleeve shaft 22 to ensure effective transmission of force; the sleeve shaft 22 provides a stable and rotatable connection point, so that the handle shaft 19 can rotate smoothly and convert the rotational motion into linear motion, thereby adjusting the position of the moving card group; the guide shaft 17 provides a precise linear movement path for the moving card group, ensuring that it can slide smoothly along the predetermined direction.

[0027] Furthermore, the dynamic card assembly includes a dynamic bracket block 15 and a card seat 11 , and the card seat 11 is provided on both sides of the dynamic bracket block 15 .

[0028] The dynamic support block 15 serves as the primary support structure for the dynamic clamping assembly and slides along the guide shaft 17 to adjust its relative position to the fixed clamping assembly. The clamping plate holder 11 directly contacts and clamps the pipe, securing it in place by cooperating with the fixed clamping assembly. The clamping plate holders 11 are located on either side of the dynamic support block 15 and can be replaced with clamping plates of varying shapes and sizes to accommodate pipes of varying diameters and types. They feature a non-slip surface treatment, such as a serrated pattern, to increase clamping force and prevent the pipe from slipping during welding.

[0029] Furthermore, the fixed card group includes a side support plate 13, a card base fixed plate 14, a transverse connecting shaft 21 and a card base guide block 18, the side support plate 13 is connected to the bottom plate support 12, the card base fixed plate 14 is located on the inner side of the side support plate 13, the transverse connecting shaft 21 is located at the front and rear ends of the card base fixed plate 14, and the card base guide block 18 is arranged on the transverse connecting shaft 21 close to the sleeve rotating shaft 22.

[0030] The side support plate 13 is the lateral support structure of the fixed card group, which is connected to the bottom plate support 12 to provide a solid foundation for the entire fixed card group; the card seat fixed plate 14 directly contacts and clamps the pipe fittings, and cooperates with the card plate seat 11 in the dynamic card group to complete the positioning and fixation of the pipe fittings; the transverse connecting shaft 21 strengthens the overall stability of the fixed card group and provides an installation position for the card seat guide block 18; the card seat guide block 18 assists in guiding the dynamic card group to move smoothly along the guide shaft 17, while limiting its range of motion to ensure that the relative position between the dynamic card group and the fixed card group is accurate.

[0031] Furthermore, a cylinder mounting seat 5 is provided on the support plate 1 , and the cylinder mounting seat 5 is sleeved with the adjusting cylinder 7 .

[0032] Furthermore, the auxiliary card seat includes an auxiliary rotating seat 16, a telescopic shaft 3 and a pipe fitting placement seat 2. The telescopic shaft 3 is provided on one side of the auxiliary rotating seat 16, and the end of the telescopic shaft 3 is connected to the pipe fitting placement seat 2.

[0033] The auxiliary swivel seat 16 is the installation base of the telescopic shaft 3, allowing the telescopic shaft 3 and the connected pipe mounting seat 2 to rotate or adjust the angle within a certain range; the telescopic shaft 3 adjusts the distance between the pipe mounting seat 2 and the auxiliary swivel seat 16 through telescopic action, thereby adapting to pipes with different position requirements; the pipe mounting seat 2 directly contacts and supports another pipe to be welded to the main pipe, ensuring their correct position during the welding process; in order to facilitate replacement and maintenance, the pipe mounting seat 2 usually adopts a detachable design and is easy to remove from the telescopic shaft 3.

[0034] Furthermore, the telescopic shaft 3 has a self-locking function.

[0035] During use: adjust the relative position between the movable clamping group and the fixed clamping group according to the diameter of the pipe to be welded; adjust the position of the movable clamping group by rotating the handle shaft 19 until the clamping plate seat 11 can tightly clamp the pipe; ensure that the anti-slip treatment (such as serration) on the clamping plate seat 11 can effectively prevent the pipe from sliding; place a pipe to be welded into the pipe fitting seat 2 located on the sliding slide 4, ensuring that it is firmly clamped and positioned correctly; use the auxiliary clamping seat to support and fix the other pipe to be welded. By adjusting the length of the telescopic shaft 3 and the angle of the auxiliary rotating seat 16, the pipe in the pipe fitting seat 2 is in the correct welding position; use the telescopic end of the adjusting cylinder 7 to drive the support end 10, and then adjust the angle of the auxiliary guide plate 9, rotating the auxiliary guide plate 9 to the appropriate angle to facilitate the adjustment of the inclination angle of the pipe; slide the sliding seat 4 to move it to the appropriate position along the auxiliary guide plate 9, ensuring that the pipe in the pipe fitting seat 2 is aligned with the fixed pipe, and then weld.

[0036] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A welding fixture for arc-shaped intersecting nodes of uniform cross-section circular tubes, comprising a support plate (1), wherein a pipe holder is provided on the lower surface of the support plate (1), and characterized in that: A transfer seat (8) is provided on one side of the upper surface of the support plate (1), an auxiliary guide plate (9) is transferred to the transfer seat (8), a sliding seat (4) is slidably provided on the auxiliary guide plate (9), a pipe placement seat (2) is provided on the sliding seat (4), a connecting block (6) is provided on the lower surface of the auxiliary guide plate (9), a rotating shaft on the connecting block (6) is sleeved with a support end (10), the support end (10) is connected to the telescopic end of the regulating cylinder (7) provided on the support plate (1), and auxiliary clamping seats are provided on both sides of the upper surface of the support plate (1).

2. The welding tool for arc-shaped intersecting nodes of uniform cross-section circular tubes according to claim 1, characterized in that: The pipe fitting holder comprises a base plate support (12), an adjustment seat, a movable card group and a fixed card group, the base plate support (12) is connected to the lower surface of the support plate (1), and the fixed card group is located on the base plate support (12), the fixed card group and the movable card group are located on the guide shaft (17) of the adjustment seat, and the adjustment seat is connected to the fixed card group.

3. The welding tool for arc-shaped intersecting nodes of uniform cross-section circular tubes according to claim 2, characterized in that: The adjustment seat comprises a handle rotating shaft (19), a sleeve rotating shaft (22), a connecting support block (20) and a guide rotating shaft (17); the handle rotating shaft (19) is located in an end through hole of the sleeve rotating shaft (22); the end of the handle rotating shaft (19) is connected to the connecting support block (20); and the guide rotating shaft (17) is arranged through the connecting support block (20).

4. The welding tool for arc-shaped intersecting nodes of uniform cross-section circular tubes according to claim 2, characterized in that: The dynamic card assembly comprises a dynamic bracket block (15) and a card seat (11), and the card seat (11) is provided on both sides of the dynamic bracket block (15).

5. The welding tool for arc-shaped intersecting nodes of uniform cross-section circular tubes according to claim 2, characterized in that: The fixed card group comprises a side support plate (13), a card base fixed plate (14), a transverse connecting shaft (21) and a card base guide block (18), wherein the side support plate (13) is connected to the bottom plate support (12), the card base fixed plate (14) is located on the inner side of the side support plate (13), the transverse connecting shaft (21) is located at the front and rear ends of the card base fixed plate (14), and the card base guide block (18) is arranged on the transverse connecting shaft (21) close to the sleeve rotating shaft (22).

6. The welding tool for arc-shaped intersecting nodes of uniform cross-section circular tubes according to claim 1, characterized in that: A cylinder mounting seat (5) is provided on the support plate (1), and the cylinder mounting seat (5) is sleeved with the regulating cylinder (7).

7. The welding tool for arc-shaped intersecting nodes of uniform cross-section circular tubes according to claim 1, characterized in that: The auxiliary card seat comprises an auxiliary rotating seat (16), a telescopic shaft (3) and a pipe fitting placement seat (2); the telescopic shaft (3) is provided on one side of the auxiliary rotating seat (16); and the end of the telescopic shaft (3) is connected to the pipe fitting placement seat (2).

8. The welding tool for arc-shaped intersecting nodes of uniform cross-section circular tubes according to claim 7, characterized in that: The telescopic shaft (3) has a self-locking function.