Isolation coupling and automatic switch control device for ultrasonic arc welding

An ultrasonic arc and automatic switch technology, applied in arc welding equipment, welding equipment, welding accessories, etc., can solve problems such as poor coupling between ultrasonic electrical signals and welding electrical signals, weakening the mechanical properties of welded joints, and uneven weld structures , to achieve the effect of being conducive to industrial application and promotion, solving low control efficiency and improving mechanical properties

Pending Publication Date: 2021-10-01
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And each welding process needs to repeat the above operations, the steps are cumbersome and seriously limit the improvement of production efficiency;
[0006] 3. It is difficult to avoid the problem of untimely switch control by manual control, which will lead to uneven weld structure and weaken the mechanical properties of welded joints
[0009] In view of the above problems, this patent designs an isolation coupling and automatic switch control device, which better solves the problem of poor coupling between the ultrasonic electrical signal and the welding electrical signal, and completes the detection of the positive and negative voltages of the welding machine through the relay. Automatic introduction of ultrasonic energy

Method used

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  • Isolation coupling and automatic switch control device for ultrasonic arc welding
  • Isolation coupling and automatic switch control device for ultrasonic arc welding
  • Isolation coupling and automatic switch control device for ultrasonic arc welding

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Embodiment Construction

[0057] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0058] Installation process

[0059] The isolation coupling and automatic control switching device for ultrasonic arc welding mainly includes fuses, switches, inductors, capacitors, transient suppression diodes, AC contactors, AC transformers, and voltage relays. The above components are connected according to the circuit diagram.

[0060] No. 1 switch 5, No. 2 switch 6, and No. 3 switch 7 are inductance conduction switches to control the conduction and disconnection of inductance No. 1 inductance 3, No. 2 inductance 4, and No. 3 inductance 8. No. 4 switches 14 and 5 Switch No. 15, No. 6 switch 16, No. 7 switch 17, and No. 8 switch 18 are capacitor conduction switches, which control the capacitance of No. 1 capacitor 9, No. 2 capacitor 10, No. 3 capacitor 11, No. 4 capaci...

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Abstract

The invention relates to an isolation coupling and automatic switch control device for ultrasonic arc welding, in particular to an isolation coupling and automatic switch control device between a welding power supply loop and an ultrasonic power supply loop. According to the device, the conduction of an ultrasonic power supply is controlled by detecting the voltage at the positive and negative ends of a welding machine through a voltage relay, a good ultrasonic waveform can be coupled, and the device protects internal components of the ultrasonic power supply through a transient suppression diode.

Description

technical field [0001] The invention relates to an isolation coupling and automatic switch control device for ultrasonic arc welding, in particular to an isolation, coupling and automatic control switch device between a welding power circuit and an ultrasonic power circuit. Background technique [0002] Ultrasonic arc welding is a welding method that introduces ultrasonic energy into the welding pool through an external ultrasonic excitation source. Since the welding arc has been proved to be equivalent to a dynamic resistive load, it can make a dynamic response to the ultrasonic excitation signal. Therefore, the ultrasonic excitation signal can be coupled into the welding circuit of arc welding through the transmission line, and then excited in the welding arc. Ultrasound. The ultrasonic arc welding method can use the mechanical stirring, acoustic cavitation and acoustic flow effects of ultrasonic energy on the molten pool to affect the crystallization, solidification, and...

Claims

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Application Information

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IPC IPC(8): B23K9/32B23K9/10
CPCB23K9/32B23K9/10
Inventor 雷玉成叶茂成陈浩王泽宇
Owner JIANGSU UNIV
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