Special-shaped component friction stir welding flexible tool fixture
A technology of special-shaped components and friction stir, which is applied in the direction of manufacturing tools, auxiliary devices, welding equipment, etc., can solve the problems of poor rigidity of special-shaped supports, insufficient support stability, and uncontrollable precision, etc., to achieve small operating force and reduce specificity , The effect of shortening the non-welding production time
Active Publication Date: 2015-08-05
NANCHANG HANGKONG UNIVERSITY
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The whole process takes a long time and the labor intensity is high; the clamping position is determined by experience, and the accuracy can
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The invention discloses a special-shaped component friction stir welding flexible tool fixture. The special-shaped component friction stir welding flexible tool fixture is characterized in that an upper pressing mechanism A is arranged at the upper left end of a frame; a side pressing mechanism and an upper pressing mechanism B are arranged at the right end; a positioning body and a self-adaptive lower supporting mechanism are arranged in the upper middle of the frame; the positioning body is near the left end of the frame; and a special-shaped component is positioned through the positioning body and the self-adaptive lower supporting mechanism, and is fixed through the upper pressing mechanism A, the upper pressing mechanism B and the side pressing mechanism. The special-shaped component friction stir welding flexible tool fixture is suitable for complex profile components; and the tool can conveniently and quickly realize the clamping of the complex profile components to shorten the non-welding production time and to greatly improve the welding efficiency.
Description
technical field [0001] The invention relates to a welding fixture, especially a flexible fixture suitable for friction stir welding of special-shaped components. Background technique [0002] Friction stir welding technology has been highly concerned by welding researchers all over the world since it was invented in 1991, and it is considered to be the most potential and promising new joining method. Friction stir welding uses a non-consumable special-shaped stirring head to rotate and insert the parts to be welded, and then move forward along the interface to be welded of the parts to be welded, and heat the materials to be welded by stirring and rubbing the materials To the thermoplastic state, driven by the high-speed rotation of the stirring head, the material in the plastic state is transferred from front to back around the stirring head, and combined with the extrusion of the welding metal by the stirring head, the material is diffused and connected under the combined ...
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Inventor 姚进有黄永德黄春平柯黎明傅徐荣孙黎明
Owner NANCHANG HANGKONG UNIVERSITY