Compound pipe longitudinal joint automatic welding device

An automatic welding and composite pipe technology, applied in welding equipment, metal processing equipment, tubular objects, etc., can solve the problems of difficulty in guaranteeing the stability of welding quality and low welding efficiency.

Inactive Publication Date: 2015-12-09
JIANGSU JIANGHAI MACHINE TOOLS GROUP
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Problems solved by technology

[0002] At present, most of the welding processes of bimetallic composite pipes are manual tungsten argon arc welding, root welding, transition welding, electrode arc welding, filling welding, and cover welding. The stability of welding quality is difficult to guarantee, and the welding efficiency is low.

Method used

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  • Compound pipe longitudinal joint automatic welding device
  • Compound pipe longitudinal joint automatic welding device
  • Compound pipe longitudinal joint automatic welding device

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Embodiment Construction

[0020] Such as figure 1 , 2 , 3, 4, 5, and 6, the composite pipe longitudinal seam automatic welding equipment includes a main frame 1, a welding tool 2, an intelligent control system 3, the welding tool 2 is fixed on the main frame 1, and the welding tool 2 and the intelligent control system The control system 3 is connected, and the welding tooling 2 includes a welding frame 4, a double welding torch mechanism 5, a welding torch lifting and translation mechanism 6, a front support device 7, a rear support device 8, a lower support device 9, a pneumatic clamping device 10, and a mandrel 11 , the welding frame 4 is fixed on the left end of the main body frame 1, and the double welding torch mechanism 5 is fixedly matched with the upper end of the welding torch lifting and translation mechanism 6, and the welding torch lifting and translation mechanism 6 is arranged on the rear side of the main body frame 1. The right end of the frame 1 is provided with a mandrel supporting ro...

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Abstract

The invention relates to the technical field of welding, in particular to a compound pipe longitudinal joint automatic welding device which mainly comprises a double welding gun movement mechanism, a control system, welding power supplies and a welding fixture. The double welding gun movement mechanism is composed of a movable platform, a left welding gun, a right welding gun and a cross sliding frame, wherein the two welding guns are provided with wire feeding mechanisms and welding power supplies respectively. The control system is located on the left side of the welding fixture, and the two welding power supplies are connected with the control system. The welding fixture comprises a welding front-rear symmetric supporting device, a lower supporting device, a supporting mandrel, a pneumatic key pressing device and a precision movement sliding rail. According to the welding device, a double metal compound pipe longitudinal joint with a diameter of 200-500 mm, a length of 1800 mm and a thickness of 4-7 mm can be clamped quickly and reliably, the control system can finish welding device control, welding track planning, welding parameter setting and welding process monitoring, and the double metal compound pipe longitudinal joint is automatically welded.

Description

technical field [0001] The invention relates to the field of welding technology, in particular to an automatic longitudinal seam welding device for composite pipes, which is suitable for welding the longitudinal seams of stainless steel and carbon steel bimetallic composite pipes. Background technique [0002] At present, most of the welding processes of bimetallic composite pipes are manual tungsten argon arc welding, root welding, transition welding, electrode arc welding, filling welding, and cover welding. The stability of welding quality is difficult to guarantee, and the welding efficiency is low. With the popularization and application of bimetallic composite pipes, it is more and more urgent to realize the automation of the welding process of bimetallic composite pipes. Contents of the invention [0003] The invention provides an automatic longitudinal seam welding device for a composite pipe, aiming at effectively realizing the clamping and positioning of the comp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K3/08B23K101/06
CPCB23K3/087
Inventor 王效岗袁国锋刘建龙
Owner JIANGSU JIANGHAI MACHINE TOOLS GROUP
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