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Buried arc stud welding machine and operation method thereof

A technology of stud welding machine and operation method, which is applied in arc welding equipment, welding equipment, welding equipment, etc., can solve problems such as difficult clamping and lifting of steel bars, and achieve significant economic and social benefits, stable arc, and welding short time effect

Inactive Publication Date: 2010-08-04
黄贤聪
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Apparently, ordinary arc stud welding torches have difficulty gripping and lifting such heavy rebar

Method used

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  • Buried arc stud welding machine and operation method thereof
  • Buried arc stud welding machine and operation method thereof
  • Buried arc stud welding machine and operation method thereof

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Embodiment Construction

[0033] The submerged arc stud welding machine provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0034] figure 1 It is a structural schematic diagram of the hand-held welding device provided by the present invention, wherein, 1, welding torch, 2, support rod, 3, weldment chuck, 4, steel bar (weldment), 5, flux box, 6, box door , 7. Work piece to be welded, 8. Flux cartridge, 9. Control valve (including delivery valve and recovery valve), 10. Recovery pipe, 11. Delivery pipe, 12. Welding button, 13. Main cable and its plug, 14. Control cables and their plugs. Submerged arc stud welding machine equipped with hand-held welding device, including welding device, welding power supply, controller, ground wire clamp connected to the workpiece to be welded, welding cables and other components. The welding power supply is a DC power supply that outputs a large current instantaneously, and has a reduced static external c...

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Abstract

This present invention discloses an arc stud welding machine, comprising a welding device, a controller, a welding power supply, a ground clamp connected to welded workpiece and a welding cable. The present invention is characterized in that the welding power supply is direct current supply of instant output maximum current with declined and static characteristics, which also comprises a welding fluid box and a conveying and recovery mechanism of welding fluid. The welding fluid conveying and recovery mechanism is provided with a conveying pipe and a recovery pipe of welding. The conveying pipe and the recovery pipe are respectively connected with the welding fluid box. The welding fluid box is installed in the welded device and positioned in the contacting point of a weldment and a welder. An operation method of a hidden arc stud welding machine is: the power supply is switched on, the welder is held on, and welding, cooling and slag clearing are practiced. The hidden arc stud welding machine has features of effective protection for a molten pool and a welding line, sufficient reflection for metallurgy, large penetration, and a high-strength welding line. The welder is inserted into the molten pool and the welding joint is firm. The high-ridged welding line enhances mechanical strength of the welding joint.

Description

technical field [0001] The invention relates to the technical field of stud welding, in particular to a submerged arc stud welding machine and an operating method thereof. Background technique [0002] Submerged arc stud welding is mainly used in the welding of "rebar T-welding" embedded parts of large steel structure buildings. The traditional welding method of reinforced T-welding embedded parts is "manual welding" or "perforated plug welding". The main disadvantages of these two welding methods are complicated procedures, slow welding speed and low efficiency. Arc stud welding is a full-section welding method with simple operation, fast speed and high welding quality, so it is rapidly promoted in steel structure buildings. However, when it is applied to the welding of "reinforced T-welding" embedded parts, a large number of pores will appear in the weld, accompanied by impurities and cracks, thus greatly reducing the mechanical strength of the weld. The main reason is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/20B23K9/18B23K9/12B23K9/32B23K9/10B23K37/053
Inventor 黄贤聪张瑞昌
Owner 黄贤聪
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