Anti-bonding circuit of inverter welding machine
An inverter welding machine, anti-adhesion technology, applied in welding equipment, arc welding equipment, manufacturing tools, etc., can solve the problems of large output current, waste of welding rod, removal, etc., to reduce output current, protect anti-adhesion , Economical effect
Active Publication Date: 2019-07-12
SHANGHAI GREATWAY WELDING EQUIP
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Problems solved by technology
[0002] Inverter welding machine, especially the manual electrode welding process, during the use process, due to improper parameter setting or improper use by the operator, it will cause the welding rod to stick to the workpiece when welding the workpiece. There will be a problem that the electrode is not easy to remove from the workpiece. At the same time, due to the relatively large output current, it will cause the entire electrode to appear "red", and the protective coating of the electrode will fall off.
Waste electrodes, while affecting the quality and efficiency of welding
Method used
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[0015] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.
[0016] Such as Figure 1 to Figure 2 As shown, the anti-sticking circuit of the inverter welding machine of the present invention includes a circuit for reducing the output frequency of the welding machine, and a circuit for reducing the setting current of the welding machine to reduce the output current of the welding machine in a short-circuit state, wherein:
[0017] The circuit for reducing the output frequency of the welding machine includes a fourteenth resistor R14, a nineteenth resistor R19, a forty-first resistor R41, a forty-third resistor R43, a forty-fifth resistor R45, a forty-seventh resistor R47, a fourth Eighteenth resistor R48, fifty-third resistor R53, sixty-sixth resistor R66, sixty-eighth resistor R68, fifth capacitor C05, twenty-fifth capacitor C25, thirty-sixth capa...
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The invention discloses an anti-bonding circuit of an inverter welding machine. The anti-bonding circuit comprises a circuit for reducing the output frequency of the welding machine and a circuit for reducing set current of the welding machine so as to reduce the output current of the welding machine in a short-circuit state. The circuit for reducing the output frequency of the welding machine comprises a fourteenth resistor and the like. A forty-five resistor and a forty-three capacitor are connected in series. Both the forty-five resistor and the forty-three capacitor are connected with a sixty-two capacitor. The sixty-two capacitor is connected with a collector of a seventh triode. An emitter of the seventh triode is grounded. A collector of an eighth triode is connected with a base of the seventh triode. An emitter of the eighth triode is grounded. The collector of the eighth triode and a fifth capacitor are connected in series. The output current of the welding machine in the short-circuit state is reduced, the welding machine is protected, meanwhile, a user can take down a welding rod bonded to a workpiece easily and conveniently, the anti-bonding function of the inverter welding machine is achieved, and the anti-bonding circuit is good in effect, low in cost, simple, reliable and good in economy efficiency.
Description
technical field [0001] The invention relates to an anti-adhesion circuit, in particular to an anti-adhesion circuit for an inverter welding machine. Background technique [0002] Inverter welding machine, especially the manual electrode welding process, during the use process, due to improper parameter setting or improper use by the operator, it will cause the welding rod to stick to the workpiece when welding the workpiece. There will be a problem that the electrode is not easy to remove from the workpiece. At the same time, due to the relatively large output current, it will cause "redness" on the entire electrode, and the protective coating of the electrode will fall off. Waste electrodes, while affecting the quality and efficiency of welding. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an anti-sticking circuit of an inverter welding machine, which, when the output of the welding machine is short-circuite...
Claims
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IPC IPC(8): B23K9/10
CPCB23K9/10
Inventor 陈绪强刘纪周胡成绰
Owner SHANGHAI GREATWAY WELDING EQUIP