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Special tool clamp for friction stir welding of complex welding seam aluminum alloy

A friction stir welding and tooling technology, which is applied in the direction of manufacturing tools, metal processing equipment, welding equipment, etc., can solve the problems of affecting the quality and work efficiency of the weld, easy deformation of the workpiece, and inability to perform continuous welding, so as to improve the weld quality. Quality and process efficiency, the effect of continuous weld seam

Pending Publication Date: 2019-11-12
中色(天津)特种材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For workpieces with relatively thin material thickness and complex weld curves such as radiator water cooling plates, there are many problems in the traditional industrial process
If the pressing point is far away from the welding seam, the quality of the welding seam is not guaranteed, and the workpiece is easy to deform; if the pressing point is close to the welding seam, the stirring head will interfere with the pressing block, and continuous welding cannot be performed, which will affect the quality of the welding seam and work efficiency

Method used

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  • Special tool clamp for friction stir welding of complex welding seam aluminum alloy
  • Special tool clamp for friction stir welding of complex welding seam aluminum alloy
  • Special tool clamp for friction stir welding of complex welding seam aluminum alloy

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Embodiment

[0024] The fixture base 4 is fixedly connected with the friction stir welding workbench 1 through the fixture fixing bolt 14, and is welded on the workpiece 3 and placed on the fixture base 4 and fixed by the limit stopper 2 and the fixed block 5 to avoid being The welding part 3 moves in the plane direction of the workbench, the pressure wheel 9 rolls on the wheel shaft 12 and the workpiece 3 to be welded, the position of the pressure wheel on the wheel shaft is adjustable, and after the position is adjusted properly, it is fixed by the pressure wheel fixing bolt 8 , both sides of the wheel shaft rotate on the wheel shaft support 13, the pressing force of the pressure wheel on the wheel shaft is manually adjusted by the wheel shaft adjustment bolt 7 bearing seat, the bearing seat can move up and down in the wheel shaft support chute, and the pressing force can be adjusted. Usually, the axle support chute at the bottom of the design bearing housing is provided with a spring, wh...

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Abstract

The invention relates to a special tool clamp for friction stir welding of complex welding seam aluminum alloy. The special tool clamp comprises a friction stir welding workbench, a friction stir welding machine head and a stirring head, wherein: a clamp base is fixedly connected to the friction stir welding workbench; the clamp base is provided with an X / Y axis direction limiting mechanism; a welded workpiece is placed in the X / Y axis direction limiting mechanism; the upper surface of the welded workpiece is in rolling pressure connection with a workpiece pressing mechanism; the workpiece pressing mechanism slides on the clamp base along the X-axis direction of the friction stir welding; and the workpiece pressing mechanism is driven by a variable speed and adjustable speed motor. The special tool clamp for friction stir welding of complex welding seam aluminum alloy, provided by the invention, has the advantages that: a plurality of pressing wheels which can roll on the surface of the welding seam for pressing are adopted, the pressing force and the pressing position of the pressing wheels are adjustable, and the pressing wheels can move along with the movement of the stirring head, thereby ensuring the distance between the pressing point and the welding seam and ensuring that the pressing wheels do not interfere with the stirring head; and special tool clamp for friction stir welding of complex welding seam aluminum alloy can make the welding seam continuous, and improve the welding seam quality and the processing efficiency.

Description

technical field [0001] The invention belongs to the technical field of friction stir welding, and in particular relates to a special fixture for friction stir welding of aluminum alloy with complex welds. Background technique [0002] The friction stir welding technology is used for the welding of aluminum alloy materials. Its principle is that at room temperature, under the action of the friction stirring of the stirring head, the two metals are fused together through the local tissue of the body to achieve the purpose of welding. During the welding process, the workpiece needs to bear high pressure. High mechanical and thermal stress, therefore must be fixed with tooling. The conventional process is aimed at workpieces with large thickness and relatively simple weld seam. Several pressing points around the weld seam are fixed and compressed at one time, and removed at one time after welding. Patent Document Publication No. 204843254U discloses a general-purpose friction s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K20/12
CPCB23K20/126
Inventor 曹向伟王福顺咸国帅陈岩陈晨董强刘冲霄
Owner 中色(天津)特种材料有限公司
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