Fixture for welding automobile engine pipeline

Abstract

The utility model provides a fixture for welding an automobile engine pipeline, which is used for welding a mounting plate of the engine pipeline, the engine pipeline consists of an upper pipeline, a lower pipeline and a thin pipeline, the fixture comprises a workbench and a third cylinder, the workbench is provided with a lower pipeline clamping component, an upper pipeline clamping component and a thin pipeline clamping component, and the third cylinder is connected with the lower pipeline clamping component and the thin pipeline clamping component. The lower pipeline clamping assembly, the upper pipeline clamping assembly and the thin pipeline clamping assembly are used for loosening and clamping an upper pipeline, a lower pipeline and a thin pipeline respectively, a first positioning block, a second positioning block, a positioning bolt and a turning and pressing part are arranged on the workbench, the first positioning block, the second positioning block and the positioning bolt are used for positioning a mounting plate, and the turning and pressing part is used for turning and pressing the mounting plate. And the third air cylinder drives the turning and pressing piece to turn over so as to press the mounting plate. The utility model has the advantages that the pipeline and the mounting plate can be quickly and accurately positioned and are kept stable, so that the deviation of a welding position is avoided.

Description

TECHNICAL FIELD

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

[0002] The automobile engine pipeline needs to be formed after bending and welding, wherein the welding operation needs to weld the mounting plate on the pipeline so as to be installed on the engine through the mounting plate, the existing automobile engine pipeline is composed of upper pipeline, lower pipeline and thin pipeline, three mounting plates need to be welded thereon, due to the positional relationship of the mounting plate, two mounting plates are welded first and then the remaining mounting plate is welded in the welding process, and currently there is no corresponding welding clamp that can accurately position the pipeline and the first two mounting plates, thereby causing the deviation of the welding position and affecting the subsequent installation. SUMMARY

[0003] Therefore, the utility model aims at overcoming the defects in the prior art and providing a clamp for automobile engine pipeline welding.

[0004] The utility model provides a clamp for automobile engine pipeline welding, including for the mounting plate of engine pipeline is welded, engine pipeline is composed of upper pipeline, lower pipeline, thin pipeline, including work table 1 and third cylinder 12, work table 1 is provided with lower pipeline clamping assembly 2, upper pipeline clamping assembly 3 and thin pipeline clamping assembly 7, lower pipeline clamping assembly 2, upper pipeline clamping assembly 3, thin pipeline clamping assembly 7 respectively to the upper pipeline, lower pipeline, thin pipeline are loose clamping, work table 1 is provided with first locating block 8, second locating block 9, locating bolt 11 and overturning piece 13, first locating block 8, second locating block 9, locating bolt 11 position mounting plate, third cylinder 12 drives overturning piece 13 overturns to press the mounting plate.

[0005] Further, the lower pipeline clamping assembly 2 and the upper pipeline clamping assembly 3 are the same structure, the lower pipeline clamping assembly 2 includes a first cylinder 2.1 and a contact block 2.3 for accommodating the lower pipeline, and the piston rod end of the first cylinder 2.1 is connected with a first clamping block 2.2 arranged opposite to the contact block 2.3.

[0006] Further, the contact block 2.3 for accommodating the left and right side pipe openings is provided with a third locating block.

[0007] Further, the thin pipeline clamping assembly 7 includes a second cylinder 7.1 and a side abutting block 7.3 for accommodating the thin pipeline, the side abutting block 7.3 is connected to the top end of the second cylinder 7.1, and the piston rod end of the second cylinder 7.1 is connected with a second clamping block 7.2 arranged opposite to the side abutting block 7.3.

[0008] Further, the workbench 1 is provided with a first supporting block 4, a second supporting block 5 and a third supporting block 6, the second supporting block 5 and the third supporting block 6 are used for supporting the thin pipe line, and the first supporting block 4 is used for supporting the lower pipe line.

[0009] Further, the workbench 1 is vertically provided with a fixing block 10, and the positioning stud 11 is screw-connected to the fixing block 10 in an up-down adjustable manner.

[0010] Further, the turnover piece 13 is hinged to the piston rod of the third cylinder 12, and the top end of the third cylinder 12 is connected with a hinge rod.

[0011] The utility model discloses a positioning device for engine pipe line, which comprises a workbench 1, a first positioning block 2, a second positioning block 3, a first cylinder 7, a second cylinder 8, a third cylinder 12, a first clamping assembly 9, a second clamping assembly 14, a first supporting block 4, a second supporting block 5, a third supporting block 6, a fixing block 10 and a positioning stud 11. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a perspective view of the utility model when clamping the engine pipe line.

[0013] Fig. 2 It is a structural schematic view of the utility model when clamping the engine pipe line.

[0014] Fig. 3 It is a front view of the utility model when clamping the engine pipe line. DETAILED DESCRIPTION

[0015] The utility model will be described in detail below with reference to the drawings.

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, 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.

[0017] ReferenceFigs. 1-3 The utility model provides a kind of clamp for automobile engine pipeline welding, for the installation plate of engine pipeline is welded, engine pipeline is composed by upper pipeline, lower pipeline, thin pipeline, it includes workbench 1 and third cylinder 12, workbench 1 is provided with lower pipeline clamping assembly 2, upper pipeline clamping assembly 3 and thin pipeline clamping assembly 7, lower pipeline clamping assembly 2, upper pipeline clamping assembly 3, thin pipeline clamping assembly 7 respectively to upper pipeline, lower pipeline, thin pipeline are loose clamping, loose clamping assembly can accurately control the fixed state of different pipeline, it is convenient to flexibly adjust according to the need in welding process, avoid pipeline displacement when welding, guarantee the accuracy of welding position, workbench 1 is provided with first support block 4, second support block 5, third support block 6, second support block 5, third support block 6 are used to support thin pipeline, first support block 4 is used to support lower pipeline, and the characteristics of different pipeline are supported, which helps to maintain the stability of pipeline during welding, prevent deformation due to the weight of pipeline or welding stress, so as to improve welding quality, workbench 1 is provided with first positioning block 8, second positioning block 9, positioning bolt 11 and turnover piece 13, first positioning block 8, second positioning block 9, positioning bolt 11 are positioned to installation plate, first positioning block is positioned to left installation plate, and second positioning block, positioning stud is positioned to right installation plate, to ensure that installation plate is accurately positioned, provide accurate reference for welding, third cylinder 12 drives turnover piece 13 to overturn to press the installation plate, and the installation plate is pressed on the right side of turnover piece, to realize quick and stable pressing action, ensure that right installation plate is stable during welding.

[0018] The structure of lower pipeline clamping assembly 2 and upper pipeline clamping assembly 3 is same, lower pipeline clamping assembly 2 includes first cylinder 2.1 and abutting block 2.3 for accommodating lower pipeline, and the piston rod end of first cylinder 2.1 is connected with first clamping block 2.2 arranged opposite to abutting block 2.3.The number of lower pipeline clamping assembly is 3, and the two side pipe openings and middle section of lower pipeline are clamped respectively, the number of upper pipeline clamping assembly is 2, and the pipe opening of upper pipeline is clamped respectively, the upper end of abutting block is provided with L-shaped notch, and the pipeline is abutted to the notch, and the first cylinder drives the first clamping block to clamp the pipeline to the abutting block.

[0019] Third positioning block is arranged at abutting block 2.3 for accommodating left and right side pipe openings, and the end face of left and right side pipe openings of lower pipeline and the end face of left side pipe opening of upper pipeline are attached to third positioning block to position.

[0020] Refer to Fig. 1The fine pipeline clamping assembly 7 comprises a second cylinder 7.1 and a side block 7.3 for supporting the fine pipeline, the side block 7.3 is connected to the top end of the second cylinder 7.1, and a second clamping block 7.2 is arranged opposite to the side block 7.3 at the end of the piston rod of the second cylinder 7.1. The number of the fine pipeline clamping assemblies is two, and the two clamping assemblies clamp the left and right ends of the fine pipeline respectively, the fine pipeline is supported by the side block, and the second clamping block driven by the second cylinder clamps the fine pipeline to the side block.

[0021] The workbench 1 is vertically provided with a fixing block 10, and a positioning stud 11 is screw-connected to the fixing block 10 in an up-down adjustable manner. The positioning stud can be adjusted in the up-down position to adapt to the right mounting plate, and the right mounting plate is supported by the positioning stud.

[0022] The turnover piece 13 is hingedly connected to the piston rod of the third cylinder 12, and a hinge rod is connected between the top end of the third cylinder 12 and the turnover piece 13. In a similar quick clamping manner, the third cylinder drives the turnover piece to turn over, and the turnover piece is pressed on the right mounting plate.

[0023] The above only describes the preferred embodiments of the present application, and it should be pointed out that, for 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 fixture for welding automotive engine pipes, used to weld mounting plates for engine pipes, the engine pipes consisting of an upper pipe, a lower pipe, and a thinner pipe, characterized in that: The workbench is provided with a lower pipe clamping assembly, an upper pipe clamping assembly and a thin pipe clamping assembly, which respectively loosen the upper pipe, the lower pipe and the thin pipe; the workbench is provided with a first positioning block, a second positioning block, a positioning bolt and a turnover piece, the first positioning block, the second positioning block and the positioning bolt position the mounting plate, and the third cylinder drives the turnover piece to turn over to press the mounting plate.

2. A fixture for welding of automotive engine lines as claimed in claim 1, wherein: The lower pipe clamping assembly and the upper pipe clamping assembly are the same in structure, the lower pipe clamping assembly comprises a first cylinder and a block for abutting against the lower pipe, and the end of the piston rod of the first cylinder is connected with a first clamping block arranged opposite to the block.

3. A fixture for welding of automotive engine lines as claimed in claim 2, wherein: The block for abutting against the left and right pipe openings is provided with a third positioning block.

4. A fixture for welding automotive engine lines as recited in claim 1, wherein: The thin pipe clamping assembly comprises a second cylinder and a side abutting block for abutting against the thin pipe, the side abutting block is connected to the top end of the second cylinder, and the end of the piston rod of the second cylinder is connected with a second clamping block arranged opposite to the side abutting block.

5. A fixture for welding of automotive engine lines as claimed in claim 1, wherein: The workbench is provided with a first supporting block, a second supporting block and a third supporting block, the second supporting block and the third supporting block are used for supporting the thin pipe, and the first supporting block is used for supporting the lower pipe.

6. A fixture for welding automotive engine lines as recited in claim 1, wherein: The workbench is vertically provided with a fixing block, and the positioning bolt is screw-connected to the fixing block in an up-down adjustable manner.

7. A fixture for welding of automotive engine lines as claimed in claim 1, wherein: The turnover piece is hinged to the piston rod of the third cylinder, and the top end of the third cylinder is connected with a hinge rod with the turnover piece.

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