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Arc stud welding gun and the welding method thereof

A stud welding and stud technology, applied in arc welding equipment, welding equipment, welding rod characteristics, etc., can solve the problems of uncontrollable stud movement and undetectable stud feeding pressure, so as to improve welding quality and excellent welding The effect of joints

Inactive Publication Date: 2007-09-12
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the defect that the stud feeding pressure cannot be detected during the feeding process of the existing stud welding torch, thereby resulting in the uncontrollable movement of the stud, and provides a stud welding torch with a sensor force measurement and a feeding torch using the torch. The welding method with controllable pressure can significantly improve the welding quality of stud welding

Method used

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  • Arc stud welding gun and the welding method thereof
  • Arc stud welding gun and the welding method thereof
  • Arc stud welding gun and the welding method thereof

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Embodiment Construction

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0019] As shown in Figures 1 and 2, an arc stud welding torch includes a stud clamp 10 (arc welding electrode), a vertical mounting plate 1, and a motor 2 is fixed on one side of the mounting plate 1 by a bracket 11, and the middle part is set The ball screw pair, that is, the bearing 4, the screw 5 and the screw nut 6 matched with its thread, the screw 5 is connected with the rotating shaft of the motor 2 through a coupling 3, and the ball screw pair and the lower part of the mounting plate 1 A linear motion mechanism 12 is provided, and the linear motion mechanism 12 may be a guide rail. The lead screw nut 6 is fixed with a connector 7 and connected with the stud clamp 10 through a pressure sensor 8 , and an insulating block 9 is provided at the connection between the stud clamp 10 and the pressure sensor 8 . The motion of the stud welding ...

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Abstract

The present invention discloses one kind of stud welding gun with force measuring sensor and its welding process. During welding and after the stud moves to contact with the workpiece, the contact force is transmitted through the resistance strain gage in the pressure sensor, which is connected be the rotating mechanism of the welding gun and the stud fixture, to the data acquiring card of the control computer. After the detected contact force reaches the set value, the welding current to the stud fixture is turned on, the motion controller connected electrically to the motor makes the motor rotate reversely and the stud is raised for ignite electric arc. During welding feed, the welding current is first turned off, the motion controller drives the motor to rotate and the stud is fed to the workpiece; and after the detected feeding pressure of the stud to the workpiece reaches the set value, the motor is stopped.

Description

Technical field: [0001] The invention relates to an arc stud welding device and a welding method, in particular to an arc stud welding torch and a welding method thereof. Background technique [0002] Arc stud welding is an efficient and high-quality stud welding method. A welding power source, welding controller and arc stud welding torch are a must for a complete arc stud welding system. Among them, the arc stud welding torch is the direct actuator of the welding process, which plays the role of adjusting some welding parameters and completing the welding process. The performance of the welding torch has a great influence on the welding quality. Through continuous improvement and innovation, arc stud welding equipment has also been updated several times, and its performance and appearance have also been greatly improved. However, the main structure of the welding torch maintains the original design principle. The electromagnetic arc stud welding torch is still the mainst...

Claims

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Application Information

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IPC IPC(8): B23K9/20B23K9/095B23K9/10B23K9/28
Inventor 张建勋谢小东黄挺裴怡付继飞池强
Owner XI AN JIAOTONG UNIV
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