A welding fixture for an electroless welding rod

By designing a welding fixture for electrodeless welding, using magnetic adsorption and through-hole guiding structure, the problems of difficult operation and unstable trajectory of electrodeless welding are solved, realizing efficient and stable emergency welding. It is suitable for inexperienced operators and has the characteristics of high temperature resistance and easy disassembly and assembly.

CN224674134UActive Publication Date: 2026-08-25成都银河动力有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202521478787.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-15
Publication Date
2026-08-25
Estimated Expiration
2035-07-15

AI Technical Summary

Technical Problem

Existing electrodeless welding technology is difficult to master, has an unstable trajectory, lacks auxiliary positioning devices, resulting in fluctuating welding quality, and requires a high level of operator experience, making it difficult to deploy quickly in emergency situations.

Method used

A welding fixture comprising a switchable magnetic base, a connecting rod, and a main body is designed. It uses magnetic adsorption to fix the steel plate, through holes to guide the welding rod, and the connecting rod has an adjustable length. The main body of the fixture is made of graphite or ceramic matrix composite material. It is adapted to the segmented combustion method without electric welding rods to achieve stable guidance and positioning of the welding path.

Benefits of technology

It improves the accuracy and consistency of welding operations, is suitable for inexperienced operators to perform high-quality emergency welding in extreme environments, reduces the difficulty of operation, improves on-site operation efficiency and welding continuity, and has the characteristics of high temperature resistance and easy disassembly and assembly.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224674134U_ABST
    Figure CN224674134U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of welding tool for non-electric welding rod, including switch type magnetic base, connecting rod and tool body. The tool body is internally provided with multiple through holes, for guiding non-electric welding rod to complete sectional welding, the connecting rod connects magnetic base and tool body, and the adsorption and release of welded steel plate are realized by switch structure of magnetic base. The tool can improve the stability and positioning accuracy of welding rod welding track, and is especially suitable for emergency welding operation of non-professional personnel in extreme environment.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of flipping device technology, and in particular to a welding fixture for use without welding rods. Background Technology

[0002] Welding technology is widely used in civil construction, transportation construction, engineering maintenance, and military fields. Especially in scenarios such as emergencies, extreme weather, and areas without electricity, traditional welding methods that rely on external power sources are particularly limiting. Electric welding electrodes, as a solution capable of self-propagating combustion and welding without energy support, have become an important development direction for emergency welding.

[0003] While existing electrodeless welding technology has solved the energy dependence problem to some extent, the following issues still exist in practical applications: The electrode is difficult to handle and is prone to deviation. Unstable trajectory leads to fluctuations in welding quality; Lacking auxiliary positioning devices, rapid deployment is impossible; It requires a high level of operator experience, which is not conducive to its widespread use in emergency situations.

[0004] Therefore, there is an urgent need for a welding fixture that is simple in structure, easy to operate, and adaptable to electrodeless welding methods, in order to improve welding efficiency and stability under emergency conditions. Utility Model Content

[0005] The purpose of this invention is to provide a welding fixture for electrodeless welding, which enables electrode guidance, positioning, and multi-hole continuous welding. It is particularly suitable for inexperienced operators to complete high-quality emergency welding operations in extreme environments, thus overcoming the shortcomings of existing technologies in practical applications.

[0006] This utility model is achieved using the following technical solution: a welding fixture for electrodeless welding, characterized in that it includes a switchable magnetic base for adsorbing and fixing the steel plate to be welded; a connecting rod, one end of which is connected to the switchable magnetic base, and the other end of which is connected to the fixture body; the fixture body is a cuboid structure with several through holes arranged parallel along its length for inserting electrodeless welding for guiding welding. Through the above structural design, stable guidance of the welding path is achieved, improving the accuracy and consistency of welding operations, and is especially suitable for rapid deployment by inexperienced operators in emergency environments.

[0007] Furthermore, the diameter of the through hole is 2-5 mm larger than the diameter of the welding rod, and the wall thickness between the through holes is no more than 5 mm. This structure ensures smooth insertion of the welding rod while maintaining the overall strength and thermal stability of the tooling, preventing deformation or cracking of the through holes at high temperatures.

[0008] Furthermore, the connecting rod is an adjustable length structure, adaptable to adjustments in the through-hole position under different welding conditions. This design enhances the compatibility of the tooling in various scenarios, adapting to weld widths and steel shapes, facilitating quick on-site adjustment and reuse.

[0009] Furthermore, the connecting rod and the switch-type magnetic base are connected by a threaded connection or a snap-fit ​​connection, facilitating quick assembly and disassembly. This structure makes the tooling modular, easy to maintain and replace parts, and suitable for rapid response and portability under field emergency conditions.

[0010] Furthermore, the switchable magnetic base is equipped with a magnetic switch structure to control the magnetic on / off state, enabling rapid adsorption and release of the steel plate. This structure allows for quick positioning and fixing without the use of clamps or bolts, improving on-site operational efficiency.

[0011] Furthermore, the through holes in the main body of the tooling are evenly arranged along its length to guide the electrode to move through each hole to complete segmented welding. This design is compatible with the segmented combustion method of electrodeless welding, effectively improving welding continuity and forming quality, and preventing electrode misalignment or weld skewing.

[0012] Furthermore, the main body of the tooling is made of graphite or ceramic matrix composite material, which possesses high temperature resistance and thermal shock resistance, and is used to adapt to the high-temperature environment during the welding rodless combustion process. By optimizing the material selection, it is ensured that the main body of the tooling will not deform or crack during the high-temperature welding process for a long time, thus extending its service life and ensuring safe use.

[0013] The welding fixture for electrodeless welding described in this utility model has the following advantages: The combination of magnetic adsorption and mechanical connection enables tool-free rapid positioning; the through-hole guide structure ensures a straight and consistent welding path, reducing human error; it is suitable for inexperienced operators, reducing training costs; the evenly distributed through holes, combined with segmented welding rods, ensure high welding continuity; the high-temperature resistant main material ensures that the structure will not be damaged in high-temperature environments, ensuring high safety; it is easy to disassemble, carry and maintain on site, improving overall work efficiency and flexibility. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. The drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of a welding fixture for use without welding electrodes. Figure 2 A top view of a welding fixture for use without welding electrodes; In the diagram, 1-switch type magnetic base; 2-connecting rod; 3-tool body; 4-through hole; 5-steel plate; 6-no-electric welding rod; 7-weld. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention. Example

[0018] like Figure 1-2 As shown, this embodiment provides a welding fixture for electrodeless welding, including a switchable magnetic base 1, a connecting rod 2, and a fixture body 3.

[0019] Specifically, the fixture body 3 is a cuboid structure with several through holes 4 arranged parallel to each other along its length. The diameter of each through hole is 2-5 mm larger than the diameter of the welding rod 6 used, ensuring smooth insertion while maintaining a certain degree of guidance. The wall thickness between each through hole is no more than 5 mm to maintain the rigidity of the overall structure and provide a good balance between thermal conductivity and strength. The fixture body 3 is made of graphite or other high-temperature resistant and easily machinable materials, which can withstand high-temperature combustion and are also easy to machine into a regular array of holes.

[0020] In use, the operator places the switch-type magnetic base 1 on the steel plate 5 to be welded, aligning its center line with the weld seam 7, and turns on the magnetic switch to fix the position. Then, the non-electric welding rod 6 is ignited and inserted into the through hole 4 for welding. After a certain time, the welding rod is sequentially transferred to the next through hole to complete the welding operation section by section.

[0021] This fixture provides excellent positioning, guidance, and protection during the use of electrodeless welding, effectively improving the accuracy of the welding trajectory and reducing human error. Example

[0022] This embodiment is a further optimization based on Embodiment 1, specifically: The connecting rod 2 is an adjustable length structure. One end of the connecting rod is fixedly connected to the tooling body 3, and the other end is threaded or snap-fitted to the switch-type magnetic base 1. Through this structural design, the length of the connecting rod can be adjusted according to different weld widths and steel plate sizes.

[0023] Specifically, when welding large steel structures or irregularly shaped workpieces, the operator can adjust the length or angle of the connecting rod according to the length and position of the weld, so that the through hole 4 of the fixture body 3 precisely covers the weld area. This design is not only suitable for flat welding scenarios, but also supports certain slope and curved surface operations, improving the adaptability of the equipment.

[0024] This embodiment ensures the rigidity of the tooling while giving it good spatial adaptability, further enhancing the flexibility of welding operations and its compatibility with multiple scenarios.

[0025] The above embodiments describe the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Modifications and variations made by those skilled in the art without departing from the spirit and scope of this utility model should be protected within the scope of the appended claims.

Claims

1. A welding fixture for electrodeless welding, characterized in that, It includes a switchable magnetic base (1) for adsorbing and fixing the steel plate (5) to be welded; a connecting rod (2) with one end connected to the switchable magnetic base (1) and the other end connected to the tooling body (3); the tooling body (3) is a cuboid structure with several through holes (4) arranged parallel along the length direction inside for inserting non-electric welding rods (6) for guiding welding.

2. The welding fixture for electrodeless welding according to claim 1, characterized in that, The diameter of the through hole (4) is 2-5 mm larger than the diameter of the non-electrode welding rod (6), and the wall thickness between the through holes is no more than 5 mm.

3. The welding fixture for electrodeless welding according to claim 1, characterized in that, The connecting rod (2) is an adjustable length structure, which can be adapted to the adjustment of the through hole position under different welding conditions.

4. A welding fixture for electrodeless welding according to claim 1, characterized in that, The connecting rod (2) and the switch-type magnetic base (1) are connected by a thread or a snap-fit ​​connection, which facilitates quick assembly and disassembly.

5. A welding fixture for electrodeless welding according to claim 1, characterized in that, The switch-type magnetic base (1) is equipped with a magnetic switch structure to control the magnetic opening and closing, so as to realize the rapid adsorption and release of the steel plate (5).

6. A welding fixture for electrodeless welding according to claim 1, characterized in that, The through holes (4) of the tooling body (3) are evenly arranged along its length to guide the non-electric welding rod (6) to move through each hole to complete the segmented welding.

7. A welding fixture for electrodeless welding according to claim 1, characterized in that, The tooling body (3) is made of graphite or ceramic matrix composite material, which has high temperature resistance and thermal shock resistance, and is used to adapt to the high temperature environment during the combustion process of the electric welding rod (6).