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Anti-spatter welding method and system of automatic welding gun

An automatic welding and anti-splash technology, which is applied in the cleaning and maintenance of welding torch consumables, welding torches, anti-spatter methods and systems, and can solve the difficulties in realizing automatic control of welding production lines, inability to realize automatic induction spraying of welding torches, and increasing labor intensity of operators, etc. problem, to achieve the effect of isolating droplet splash, saving production time and high market value

Inactive Publication Date: 2017-02-22
SHANGHAI FUJIYA HONGHU EXHAUST AIR SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the technical solution of this patent solves the problem of the blockage of the metal gas shielded welding torch, it is a manual operation equipment for a single welding torch, and cannot realize automatic induction spraying of the welding torch, and it is difficult to realize the overall automatic control of the welding production line; and adopt This patented technical solution needs to put the welding torch into the spray container and keep it in a hand-held state, which increases the labor intensity of the operator

Method used

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  • Anti-spatter welding method and system of automatic welding gun
  • Anti-spatter welding method and system of automatic welding gun
  • Anti-spatter welding method and system of automatic welding gun

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Take the production of 18,446 pieces of cold-end assembly of the "Volkswagen" Lavida model as an example (the program has been preset and turned on):

[0045] Step1, spray compressed air into the nozzle of the welding torch, and the compressed air flows through all parts of the torch head of the welding torch—including the barrel (gooseneck), contact nozzle seat, shunt, contact nozzle, nozzle, etc.; the automatic welding torch moves to the wire brush Clean the nozzle. At this time, the automatic welding torch and wire brush cooperate to complete the cleaning of small splashes;

[0046] Step2, the solenoid valve controls the air injection device to stop the air injection and controls the automatic switch mechanism to open the liquid storage tank, and the automatic welding torch moves to the liquid storage tank to dip in the carbon liquid;

[0047] Step3, the automatic welding torch nozzle moves out of the liquid storage tank, the solenoid valve controls the air injection...

Embodiment 2

[0052] The difference between this embodiment and Embodiment 1 lies in the production of 21,340 "Volkswagen" POLO GP hot-end assemblies, and the cost saving of consumables is shown in Table 1.

Embodiment 3

[0054] The difference between this embodiment and Embodiment 1 lies in the production of 23,460 automobile MPI HE hot end assemblies, and the cost saving of consumables is shown in Table 1.

[0055] Table 1

[0056]

[0057] Validation period: October 9, 2015 to November 30, 2015.

[0058] It can be seen from Table 1 that the anti-spatter welding method of the automatic welding torch provided by the present invention can effectively prevent the generation of spatter, reduce the consumption of contact tips, and continuously reduce the production cost, which has a high application prospect.

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Abstract

The invention discloses an anti-spatter welding method of an automatic welding gun. The anti-spatter welding method comprises the steps that high-pressure gas is sprayed to a spray nozzle of the welding gun, and the spray nozzle is cleaned; the spray nozzle of the welding gun is dipped in anti-spatter fluid; high-pressure gas and shielded welding gas are sprayed to the spray nozzle of the welding gun successively; and a workpiece is welded. Compared with the prior art, dipping of the anti-spatter fluid and gas blowing are combined, spattered molten drops can be isolated, the probability of adhesion between welding slag and the spray nozzle and adhesion between a contact tube and the inner wall of the contact tube is decreased, blockage of the spray nozzle and the contact tube of the welding gun is effectively avoided, and the purpose of preventing spatter of the spray nozzle and the contact tube of the welding gun is achieved; and in addition, a traditional gun cleaning device is not needed, the production cost is lowered, the service life of the contact tube is prolonged, the production time is saved, and high market value is achieved.

Description

technical field [0001] The invention relates to the field of welding, in particular to the cleaning and maintenance of welding torches and welding torch consumables. Specifically, it refers to an anti-splash method and system for an automatic welding torch used for gas metal shielded welding. Background technique [0002] With the rapid development of technology, many types of welding have been developed. There are arc welding and high-frequency welding that use electric energy as energy; there are gas welding and explosive welding that use chemical energy as energy; there are also welding methods such as friction welding and cold pressure welding that use mechanical energy as energy. [0003] Among the many welding methods, arc welding is the most widely used welding method at present. The vast majority of arc welding uses the arc generated by the combustion between the electrode and the workpiece as the heat source to achieve welding. It includes: electrode arc welding,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/29B23K9/173B23K9/32B23K9/235
CPCB23K9/291B23K9/173B23K9/235B23K9/325
Inventor 徐宏霖
Owner SHANGHAI FUJIYA HONGHU EXHAUST AIR SYST CO LTD
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