Welding tool for engine pipeline

By designing a worktable and a welding fixture driven by flip-pressing parts, the problem of inaccurate positioning of engine pipeline welding was solved, achieving efficient and precise welding and installation.

CN223801879UActive Publication Date: 2026-01-16NINGBO MACON AUTO PARTS CO LTD
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Patent Information

Application Number
CN202520299031.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-01-16
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

The lack of effective positioning fixtures in the welding process of existing automotive engine pipelines leads to welding position deviations, affecting the accuracy of subsequent installation.

Method used

A welding fixture including a worktable, a positioning block, and a pressing component was designed. The pressing component is driven by a cylinder to achieve rapid positioning and clamping of the mounting plate and pipeline, ensuring welding accuracy.

Benefits of technology

It enables rapid and accurate positioning and stable clamping of engine pipelines, reduces welding deviations, and improves welding quality and assembly precision.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a welding tool of an engine pipeline, which is used for welding a mounting plate of the engine pipeline, the engine pipeline is composed of an upper pipeline, a lower pipeline and a thin pipeline, the welding tool comprises a workbench, the workbench is provided with a first positioning block, a second positioning block and a supporting assembly used for supporting a pipe orifice, the first positioning block is used for positioning and supporting a welded mounting plate, the second positioning block is used for positioning and supporting an upper pipeline and a to-be-welded mounting plate, and a turning and pressing part driven by an air cylinder is arranged on the workbench. The utility model has the advantages that the pipeline and the mounting plate can be quickly and accurately positioned, the pipeline and the mounting plate are tightly pressed by the turning and pressing piece to keep stable, and the welding deviation is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engine pipeline, especially a kind of welding tool of engine pipeline. BACKGROUND

[0002] Automobile engine pipeline needs to form after bending, welding and other processing, wherein welding operation needs to weld mounting plate on pipeline, so as to be installed on engine by mounting plate, existing automobile engine pipeline is composed of upper pipeline, lower pipeline, thin pipeline, three mounting plates need to be welded on it, due to the positional relationship of mounting plate, two mounting plates are welded first, and then the remaining mounting plate is welded, after welding the first two mounting plates, there is no corresponding welding tool to accurately position pipeline and mounting plate, so as to cause the deviation of welding position, affect subsequent installation. SUMMARY

[0003] Therefore, the utility model aims at overcoming the deficiency in prior art, and provides a kind of welding tool of engine pipeline.

[0004] The utility model provides a kind of welding tool of engine pipeline, for welding the mounting plate of engine pipeline, engine pipeline is composed of upper pipeline, lower pipeline, thin pipeline, including workbench 1, the first positioning block 3, second positioning block 4 for supporting the support assembly 2 of pipe opening are provided on the workbench 1, the first positioning block 3 is positioned and supported to the mounting plate that has been welded, the second positioning block 4 is positioned and supported to upper pipeline, the mounting plate to be welded, the workbench 1 is provided with by the cylinder 5 driven flip piece 6.

[0005] Further, the support assembly 2 includes first support block 2.1, second support block 2.2, third support block 2.3, the first support block 2.1 supports the pipe opening of upper pipeline, the second support block 2.2, the third support block 2.3 supports the pipe opening of lower pipeline.

[0006] Further, the number of the flip piece 6 is 3, wherein two flip pieces 6 correspond to two mounting plates on the first positioning block 3, the second positioning block 4 respectively, and another flip piece 6 corresponds to the pipe opening of lower pipeline.

[0007] Further, the flip piece 6 is hinged to the piston rod of the cylinder 5, and the top end of the cylinder 5 is connected with the hinge rod of the flip piece 6.

[0008] Further, the top end of the first positioning block 3 is provided with first positioning column 7.

[0009] Further, an arc-shaped pipe groove is formed in the upper end of the second positioning block 4, and a second positioning column 8 and a third positioning column 9 are arranged at the top end of the second positioning block 4.

[0010] The utility model discloses the advantages are as follows: can position pipeline, mounting plate accurately, and keep stable through the pressure of turning over piece to pipeline, mounting plate to reduce the deviation of welding, support assembly can effectively support pipeline pipe, ensure that pipeline pipe keeps good shape and position accuracy when welding, first positioning block, second positioning block ensure that the upper pipeline, mounting plate are in accurate position before welding, two turning over pieces press the two mounting plates on first positioning block, second positioning block, and the other turning over piece press the pipe of lower pipeline, cylinder drives turning over piece to turn over, and turning over piece is pressed on mounting plate, the pipe of lower pipeline, realizes the quick turning over pressure action of turning over piece, and the degree of automation is higher, not only saves manpower, but also can accurately control the pressure degree and position, first positioning column can position the mounting hole of welded mounting plate, second positioning column, third positioning column can position the mounting hole of to be welded mounting plate, and pipe groove setting can position and support the upper pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the perspective view of the utility model;

[0012] Fig. 2 It is the front view of the utility model;

[0013] Fig. 3 It is the structure schematic view of the utility model when placing engine pipeline. DETAILED DESCRIPTION

[0014] The utility model will be described in detail below with reference to the drawings.

[0015] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the utility model will be described in further detail below with reference to the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0016] Refer to Figs. 1 to 3The utility model provides a kind of welding tool of engine pipeline, for welding to the mounting plate of engine pipeline, engine pipeline is composed by upper pipeline, lower pipeline, thin pipeline, it includes workbench 1, workbench 1 is provided with first positioning block 3, second positioning block 4, support assembly 2 for supporting pipe mouth, support assembly can effectively support pipeline pipe mouth, prevent deformation in welding process due to uneven stress or gravity effect, ensure that pipeline pipe mouth keeps good shape and position accuracy when welding, first positioning block 3 is positioned and supported to the mounting plate that has been welded, second positioning block 4 is positioned and supported to the mounting plate of upper pipeline, to be welded, first positioning block helps the mounting plate that has been welded to keep position stable in subsequent process, provide reliable reference datum for overall welding work;Second positioning block ensures that the mounting plate to be welded is in accurate position before welding, greatly improve the accuracy of welding position, guarantee the assembly accuracy between each component, reduce the welding defect caused by positioning deviation, workbench 1 is provided with by cylinder 5 driven flipper 6, the number of flipper 6 is 3, wherein two flippers 6 correspond to two mounting plates on first positioning block 3, second positioning block 4 respectively, and another flipper 6 corresponds to the pipe mouth of lower pipeline.Two flippers press tightly two mounting plates on first positioning block, second positioning block, and another flipper press tightly the pipe mouth of lower pipeline.By cylinder driven flipper, realize the quick flip press action of flipper by the power provided by cylinder, higher degree of automation, not only save manpower, but also can accurately control pressing intensity and position, ensure the consistency of each pressing operation, to improve the stability of welding quality.

[0017] Refer to Fig. 1 、 Fig. 3 Support assembly 2 includes first support block 2.1, second support block 2.2, third support block 2.3, first support block 2.1 supports the pipe mouth of upper pipeline, and second support block 2.2 and third support block 2.3 support the pipe mouth of lower pipeline.The upper end of the second support block is provided with a groove, and the upper ends of the first support block and the third support block are provided with L-shaped notches.

[0018] The flipper 6 is hinged to the piston rod of the cylinder 5, and the top end of the cylinder 5 is connected with the hinge rod of the flipper 6.In a similar quick clamp form, the cylinder drives the flipper to flip, and the flipper is pressed on the mounting plate and the pipe mouth of the lower pipeline.

[0019] The top end of the first positioning block 3 is provided with a first positioning column 7.The first positioning column can position the mounting hole of the welded mounting plate.

[0020] The upper end of the second positioning block 4 is provided with an arc-shaped pipe groove, and the top end of the second positioning block 4 is provided with a second positioning column 8 and a third positioning column 9.The second positioning column and the third positioning column can position the mounting hole of the mounting plate to be welded, and the pipe groove can position and support the upper pipeline.

[0021] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A welding fixture for engine piping, used for welding an engine piping mounting plate, the engine piping consisting of an upper pipe, a lower pipe, and a thinner pipe, characterized in that: The workbench is provided with a first positioning block, a second positioning block, and a support assembly for supporting the pipe opening, the first positioning block is used for positioning and supporting the welded mounting plate, the second positioning block is used for positioning and supporting the upper pipeline and the mounting plate to be welded, and the workbench is provided with a turnover piece driven by a gas cylinder.

2. An engine line welding fixture as claimed in claim 1 wherein: The support assembly comprises a first support block, a second support block and a third support block, the first support block is used for supporting the pipe opening of the upper pipeline, and the second support block and the third support block are used for supporting the pipe opening of the lower pipeline.

3. An engine plumbing welding fixture as in claim 1, wherein: The number of the turnover pieces is three, two of which correspond to two mounting plates on the first positioning block and the second positioning block respectively, and the other one corresponds to the pipe opening of the lower pipeline.

4. An engine plumbing welding fixture as in claim 1, wherein: The turnover piece is hinged to the piston rod of the gas cylinder, and the top end of the gas cylinder is connected with the hinge rod.

5. An engine plumbing welding fixture as in claim 1, wherein: The top end of the first positioning block is provided with a first positioning column.

6. An engine plumbing welding fixture as in claim 1, wherein: The upper end of the second positioning block is provided with an arc-shaped pipe groove, and the top end of the second positioning block is provided with a second positioning column and a third positioning column.