A welding tool for C4 steel pipeline

Abstract

The utility model relates to the technical field of assembly tooling, and specifically, to an assembly tooling for welding C4 steel pipelines. The utility model comprises a device body, which comprises two fixing parts that are relatively arranged and respectively used to fix two pipelines, wherein a connecting rod is detachably provided between the two fixing parts, and a positioning assembly for positioning the butt joint of the pipelines is slidably provided at the connecting rod; the positioning assembly comprises a first ring body and a second ring body that are engaged with each other, and a welding groove for segmented welding is formed between the opposite sides of the first ring body and the second ring body. Compared with the prior art, the butt joint ends of two pipelines can be positioned, and the butt joint accuracy of the butt joint ends of the two pipelines can be improved, thereby improving the welding quality and the subsequent full welding accuracy, thereby avoiding the problem that the existing assembly tooling has unreliable fixation, which easily leads to misalignment at the butt joint ends of the two pipelines and affects the welding quality of the pipelines.

Description

Technical Field

[0001] The utility model relates to the technical field of assembly tooling, in particular to an assembly tooling used for welding C4 steel pipelines. Background Art

[0002] C4 steel pipe usually refers to a pipe made of C4 steel material. C4 steel is also called 00Cr14Ni14Si4. It is an ultra-low carbon, high-silicon austenitic acid-resistant stainless steel. When welding two C4 steel pipes, it is necessary to use a common assembly tool to limit the two C4 steel pipes to ensure the accuracy and quality of the welding.

[0003] However, the existing pipe welding assembly tooling is not securely fixed during pipe butt welding, which can easily lead to misalignment between the butt ends of the two pipes, thus affecting the welding quality of the pipes. Utility Model Content

[0004] The utility model provides a pairing tool for C4 steel pipeline welding, which can overcome the defect of poor pipeline butt joint accuracy in the process of segmented welding in the prior art.

[0005] According to the utility model, a C4 steel pipeline welding assembly tool comprises a device body, which comprises two relatively arranged fixing members respectively used to fix two pipelines, a detachable connecting rod is provided between the two fixing members, and a positioning assembly for positioning the pipeline joint is slidably provided at the connecting rod; the positioning assembly comprises a first ring body and a second ring body which are engaged with each other, and a welding groove for segmented welding is formed between opposite sides of the first ring body and the second ring body.

[0006] Compared with the prior art, the two pipe butt ends can be positioned, the butt joint accuracy of the two pipe butt ends can be improved, and thus the welding quality can be improved; at the same time, after the segmented welding at the pipe butt joint is completed, the first ring body and the second ring body can be moved in opposite directions of the welding position, so that the first ring body and the second ring body can respectively position the two pipes corresponding to the first ring body and the second ring body near the butt joint end, thereby improving the subsequent full welding accuracy and avoiding the problem that the existing assembly tooling is not firmly fixed, which easily leads to misalignment at the butt joint ends of the two pipes and affects the welding quality of the pipes.

[0007] Preferably, an extension block is fixedly connected to the side surfaces of the first ring body and the second ring body, and a matching hole for sliding with the connecting rod is provided at the extension block.

[0008] In the utility model, two connecting rods are arranged opposite to each other along the butt joint pipe, so that the first ring body and the second ring body can move more stably on the two connecting rods.

[0009] Preferably, a threaded hole cooperating with the connecting rod is provided at the fixing piece, and the connecting rod is threadedly connected to the fixing piece through the threaded hole.

[0010] In the utility model, the connecting rod can be quickly disassembled by cooperating the thread on the connecting rod with the threaded hole, so that it is convenient for the staff to replace the positioning component that fits the size of the outer wall of the pipeline according to different pipeline diameters.

[0011] Preferably, the first ring body is provided with a plurality of first notches equidistantly along the circumference, and the second ring body is provided with a plurality of second notches equidistantly along the circumference corresponding to the plurality of first notches, and the first notches and the second notches together form a welding groove for segmented welding.

[0012] In the utility model, the first notch and the second notch can be spliced ​​to form a welding groove, and the staff can penetrate the welding gun or welding rod through the welding groove to weld the pipe connection, which is convenient for the staff to perform segmented welding.

[0013] Preferably, the inner walls of the first notch and the second notch are both provided with inclined surfaces inclined upward.

[0014] In the utility model, the inclined surface is provided to facilitate the welding slag to slide down on the inclined surface.

[0015] Preferably, engaging grooves are equidistantly formed at opposite sides of the first ring body and the second ring body, and engaging blocks engaging with the engaging grooves are fixed at opposite sides of the second ring body and the first ring body.

[0016] In the utility model, the first notch and the second notch can be quickly positioned to form a welding groove, and the first ring body and the second ring body can be quickly clamped.

[0017] Preferably, a first magnetic block is fixed to one end of the engaging block close to the engaging groove, and a second magnetic block magnetically connected to the first magnetic block is fixed to the inner wall of the engaging groove.

[0018] In the utility model, the first magnetic block and the second magnetic block are arranged to limit and fix the engaging block and the engaging groove, thereby improving the stability of the engaging between the first ring body and the second ring body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the device body in Example 1;

[0020] Figure 2 This is a schematic diagram of the engagement of the first ring body and the second ring body in Example 1;

[0021] Figure 3 This is a schematic diagram of the locking block in Example 1. DETAILED DESCRIPTION

[0022] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the embodiments. It should be understood that the embodiments are only used to explain the utility model but not to limit it.

[0023] Example 1

[0024] like Figure 1 As shown, this embodiment provides a C4 steel pipe welding assembly tool, which includes a device body 100, the device body 100 includes two fixing members 110 arranged opposite to each other and used to fix two pipes respectively, a connecting rod 120 is detachably provided between the two fixing members 110, and a positioning assembly 130 for positioning the pipe joint is slidably provided at the connecting rod 120;

[0025] The positioning assembly 130 includes a first ring body 131 and a second ring body 132 that are engaged with each other. A welding groove 133 for segmented welding is formed between opposite sides of the first ring body 131 and the second ring body 132 .

[0026] When the present embodiment is used, the staff fixes the pipes to be butted on the fixing member 110, and the positioning assembly 130 positions the butt joint of the pipes. The staff extends the welding gun or welding rod into the welding groove 133 through the welding groove 133 of the positioning assembly 130 to perform segmented welding between the pipes. After the segmented welding is completed, the first ring body 131 and the second ring body 132 that are engaged with each other are moved in the opposite direction of the welding joint, so that the first ring body 131 and the second ring body 132 are separated from the welding joint, and then the full welding operation is performed. Compared with the prior art, the butt joint ends of the two pipes can be positioned, the butt joint accuracy of the butt joint ends of the two pipes is improved, and thus the welding quality is improved.

[0027] At the same time, after the segmented welding at the pipe joint is completed, the first ring body 131 and the second ring body 132 can be moved in opposite directions of the welding position, so that the first ring body 131 and the second ring body 132 can respectively position the two pipes corresponding to the first ring body 131 and the second ring body 132 close to the joint end, thereby improving the subsequent full welding accuracy and avoiding the problem of unreliable fixation of the existing assembly tooling, which can easily lead to misalignment at the joint ends of the two pipes and affect the welding quality of the pipes.

[0028] Combination Figure 1 As shown, in this embodiment, the first ring body 131 and the second ring body 132 are fixedly connected to the side with an extension block 140, and a matching hole 150 for sliding with the connecting rod 120 is opened at the extension block 140; a threaded hole 160 matching with the connecting rod 120 is opened at the fixing member 110, and the connecting rod 120 is threadedly connected to the fixing member 110 through the threaded hole 160.

[0029] There are two connecting rods 120 , and the two connecting rods 120 are arranged in parallel along the horizontal direction.

[0030] By means of the two connecting rods 120 arranged relatively along the docking pipe, the first ring body 131 and the second ring body 132 can move more stably on the two connecting rods 120; the connecting rod 120 can be quickly disassembled by cooperating with the threaded hole 160 on the connecting rod 120, so that it is convenient for the staff to replace the positioning assembly 130 that fits the outer wall size of the pipe according to different pipe diameters.

[0031] Combination Figure 1-2 As shown, in this embodiment, the first ring body 131 is provided with a plurality of first notches 210 equidistantly along the circumference, and the second ring body 132 is provided with a plurality of second notches 220 equidistantly along the circumference corresponding to the plurality of first notches 210, and the first notches 210 and the second notches 220 together form a welding groove 133 for segmented welding; the first notches 210 and the second notches 220 are both provided with an upwardly inclined inclined surface 230 on their inner walls.

[0032] Through the above structure, the first slot 210 and the second slot 220 can be spliced ​​to form a welding slot 133. The staff can weld the pipe connection by inserting the welding gun or welding rod into the welding slot 133, which is convenient for the staff to perform segmented welding; through the setting of the inclined surface 230, the welding slag can slide down on the inclined surface 230.

[0033] Combination Figure 2-3 As shown, in this embodiment, engaging grooves 310 are equidistantly provided at opposite sides of the first ring body 131 and the second ring body 132, and engaging blocks 320 engaging with the engaging grooves 310 are fixed at opposite sides of the second ring body 132 and the first ring body 131; a first magnetic block 321 is fixed to one end of the engaging block 320 near the engaging groove 310, and a second magnetic block 311 magnetically connected to the first magnetic block 321 is fixed to the inner wall of the engaging groove 310.

[0034] Through the above structure, the first slot 210 and the second slot 220 can be quickly positioned to form the welding slot 133, and the first ring body 131 and the second ring body 132 can be quickly engaged; after the above-mentioned engaging block 320 is engaged with the engaging slot 310, the first magnetic block 321 and the second magnetic block 311 will limit and fix the engaging block 320 and the engaging slot 310, thereby improving the stability of the engagement between the first ring body 131 and the second ring body 132.

[0035] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments based on one or several embodiments provided in the present application, and these embodiments do not exceed the protection scope of the present application.

[0036] The above is a schematic description of the present invention and its implementation methods, which is not restrictive. The embodiments shown are only part of the implementation methods of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A welding tool for C4 steel pipeline, characterized in that: The device comprises a device body (100), wherein the device body (100) comprises two fixing members (110) arranged opposite to each other and used to fix two pipes respectively, a detachable connecting rod (120) is provided between the two fixing members (110), and a positioning assembly (130) is slidably provided on the connecting rod (120) and used to position the pipe joint. The positioning assembly (130) comprises a first ring body (131) and a second ring body (132) which are engaged with each other, and a welding groove (133) for segmented welding is formed between opposite sides of the first ring body (131) and the second ring body (132).

2. The assembly tool for C4 steel pipeline welding according to claim 1, characterized in that: An extension block (140) is fixedly connected to the side surfaces of the first ring body (131) and the second ring body (132), and a matching hole (150) for sliding with the connecting rod (120) is provided at the extension block (140).

3. The assembly tool for C4 steel pipeline welding according to claim 1, characterized in that: The fixing piece (110) is provided with a threaded hole (160) that matches the connecting rod (120), and the connecting rod (120) is threadedly connected to the fixing piece (110) through the threaded hole (160).

4. The assembly tool for C4 steel pipeline welding according to claim 1, characterized in that: The first ring body (131) is provided with a plurality of first notches (210) at equal intervals along the circumference, and the second ring body (132) is provided with a plurality of second notches (220) corresponding to the plurality of first notches (210) at equal intervals along the circumference, and the first notches (210) and the second notches (220) together form a welding groove (133) for segmented welding.

5. The assembly tool for C4 steel pipeline welding according to claim 4 is characterized in that: The first notch (210) and the second notch (220) are both provided with an upwardly inclined inclined surface (230) on their inner walls.

6. The assembly tool for C4 steel pipeline welding according to claim 1, characterized in that: Engagement grooves (310) are equidistantly provided on opposite sides of the first ring body (131) and the second ring body (132), and an engagement block (320) engaged with the engagement grooves (310) is fixed on opposite sides of the second ring body (132) and the first ring body (131).

7. The assembly tool for C4 steel pipeline welding according to claim 6, characterized in that: A first magnetic block (321) is fixed to one end of the locking block (320) close to the locking groove (310), and a second magnetic block (311) magnetically connected to the first magnetic block (321) is fixed to the inner wall of the locking groove (310).

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