A Friction Stir Welding Tool with Multi-parameter Feedback

A friction stir welding, multi-parameter technology, used in welding equipment, manufacturing tools, non-electric welding equipment, etc., can solve weld defects, weld tail, inability to torque, axial force welding tool attitude detection and control, volume and weight Large and other problems, to achieve the effect of strong practicability, improved welding quality, and simple structure

Active Publication Date: 2018-08-31
巨硕精密机械(常熟)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Friction stir welding can be used to obtain high-quality welded joints, but in actual engineering operations, there are often weld defects and "keyholes" at the tail of the weld
The current friction stir welding equipment is generally large in size and weight, and it is difficult to directly install it on the end of the robot arm; in addition, the existing friction stir welding equipment does not have a measurement control system, and cannot monitor the torque, axial force and welding tool posture during the welding process. Appropriate detection and control

Method used

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  • A Friction Stir Welding Tool with Multi-parameter Feedback

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] As shown in 1, the friction stir welding tool with multi-parameter feedback of the present invention includes a casing 2, the casing 2 is a cylindrical casing, a mandrel 8 is installed in the casing 2, and the top of the casing 2 is installed with The gyroscope 1 coaxial with the mandrel 8, the mandrel 8 is fixedly connected with the stirring pin 15, the stirring pin 15 is connected with the mandrel 8 through the spline 7, the mandrel 8 is driven to rotate by the power device, and the bottom of the stirring pin 15 is covered with Stirring head shaft shoulder 16, which is fixed on the mandrel 8, the power device includes a main shaft hydraulic motor 3, and the main shaft hydraulic motor 3 is sequentially connected with the drive coupling 4, the torque sensor 5, and the mandrel coupling 6, The mandrel coupling 6 is connected to the mandrel 8, the mandrel 8 is conn...

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Abstract

The invention discloses a friction stir welding tool with multi-parameter feedback. The friction stir welding tool comprises a machine enclosure, wherein a mandrel is mounted in the machine enclosure; the mandrel is driven by a power device to rotate; the mandrel is connected to the machine enclosure through a planar bearing; a pressure sensor is mounted below the planar bearing; the pressure sensor is connected to a lug boss of the mandrel through a spring; a withdrawing flange is mounted in the machine enclosure; a withdrawing bearing set is arranged in the withdrawing flange; a withdrawing pin is arranged on the withdrawing flange; the withdrawing pin passes through the mandrel and the stirring needle; and the withdrawing flange is connected to the machine enclosure through the withdrawing device. The friction stir welding tool with multi-parameter feedback can smoothly realize withdrawing, during high-speed rotation, of the stirring needle, breaks through the limit that a withdrawing device of a conventional welding tool cannot withdraw the stirring needle in high-speed rotation, successfully solves the keyhole problem in the tail part of a welding seam, and improves welding quality.

Description

technical field [0001] The invention relates to a multi-parameter feedback friction stir welding tool, which belongs to the field of welding. Background technique [0002] Friction stir welding can be used to obtain high-quality welded joints, but in actual engineering operations, there are often weld defects and "keyholes" at the tail of the weld. The current friction stir welding equipment is generally large in volume and weight, and it is difficult to directly install it on the end of the robot arm; in addition, the existing friction stir welding equipment does not have a measurement and control system, and cannot monitor the torque, axial force and welding tool posture during the welding process. Appropriate monitoring and control. Contents of the invention [0003] Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention proposes a multi-parameter feedback friction stir welding tool, which effectively solves the "keyhole...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K20/12
CPCB23K20/123B23K20/1245
Inventor 杨林初石明霄王鹏浩夏晶宇
Owner 巨硕精密机械(常熟)有限公司
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