Novel flange spot welding clamp for automobile exhaust gas recirculation cooling system diffuser
A waste gas recirculation and cooling system technology, applied in welding equipment, manufacturing tools, welding accessories, etc., can solve the problems of high equipment cost, cumbersome operation, complex structure, etc., to reduce equipment cost, simplify positioning and clamping structure, reduce The effect of using the cylinder
Active Publication Date: 2015-05-20
东莞市恒成汽车装备科技有限公司
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Problems solved by technology
[0003] In view of the above problems, the present invention provides a flange spot welding fixture for the diffuser of the automobile exhaust gas recirculation cooling system, which can solve the problems of cumbersome operation, complex structure and high equipment cost in the existing flange spot welding fixture
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[0012] See Figure 4 and Figure 5 , the present invention comprises a base plate 1, a positioning base 2 is installed on the base plate 1, a flange positioning block 1 is fixed on the upper end of the positioning base 2, a diffuser housing positioning mandrel 4 is installed on the left end, and the left side of the positioning base 2 is installed There is a guide rail 5, the base plate on the left side of the guide rail 5 is fixed with a cylinder 7 through a spacer 6, a slider 8 is installed in the guide rail 5, and the upper end of the slider 8 is fixed with a flange positioning block 2 9 and a flange positioning block 1 3 Both flange positioning block two 9 have a positioning profile, and the positioning profile after the flange positioning block one and flange positioning block two are combined fits with the flange external profile. The right side of the positioning base 2 is equipped with a small cylinder 10, and the extended end of the cylinder guide rod of the small cy...
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The invention provides a novel flange spot welding clamp for an automobile exhaust gas recirculation cooling system diffuser, which can solve the problems of complex operation, complex structure and high equipment cost existing in the conventional flange spot welding clamp. The flange spot welding clamp comprises a bottom plate, wherein a positioning base is arranged on the bottom plate; the flange spot welding clamp is characterized in that: the upper end of the positioning base is fixed to a flange positioning splice block 1, and the left end of the positioning base is provided with a diffuser shell positioning spindle; a guide rail is arranged on the left side of the positioning base; a cylinder is fixed on the bottom plate on the left side of the guide rail through a cushion block; a slide block is arranged in the guide rail; the upper end of the slide block is fixed to a flange positioning splice block 2; both the flange positioning splice block 1 and the flange positioning splice block 2 are provided with positioning profile surfaces; and the positioning profile surfaces of the spliced flange positioning splice block 1 and the flange positioning splice block 2 are matched with the outer profile surface of a flange.
Description
technical field [0001] The invention relates to the technical field of parts processing of an automobile exhaust gas recirculation system, in particular to a flange spot welding fixture for a diffuser of an automobile exhaust gas recirculation cooling system. Background technique [0002] A diffuser of an automobile exhaust gas recirculation cooling system, the structure of which is shown in figure 1 After the diffuser shell 13 and the flange 14 are connected by TIG welding, in order to ensure the size and welding fastness of the diffuser shell 13 and the flange 14 TIG welding, the diffuser shell is welded by spot welding before welding. 13 and the preliminary fixation of the inner hole wall of the flange 14, figure 1 Middle 15 is the spot welding position of the flange, and then TIG welding of the overall connection side is performed. Since the diffuser has high installation accuracy requirements, it must ensure that the plane on the flange reaches the axis of the circular...
Claims
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IPC IPC(8): B23K37/04B23K9/32
Inventor 白瑛
Owner 东莞市恒成汽车装备科技有限公司