Automatic welding gun for tube-plate circumferential welding
A circular welding and automatic welding technology, which is applied in the field of automatic welding gun and gas shielded welding, can solve the problems of low welding efficiency, poor forming effect, and unsatisfactory, etc., and achieve high welding efficiency, simple structure, and good weld quality.
Active Publication Date: 2013-04-17
SHENZHEN RILAND IND
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Problems solved by technology
The prior art tube-plate circumferential welding automatic welding torch adopts argon arc welding, which has low welding efficiency and poor forming effect, especially when the thickness of the welding workpiece is thick, the welding efficiency is lower and the forming effect is even worse
[0003] In the tube-plate welding process, the welding quality and efficiency of the circumferential seam between the tube and the plate also depends on how to quickly and accurately position the automatic welding torch and the weldment, and the existing technology is not ideal in this respect
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[0032] The present invention will be described in further detail below in conjunction with each accompanying drawing.
[0033] see Figure 1 to Figure 3, an automatic welding torch for tube-plate circumferential welding, including a positioning mechanism 100 removably fixed on the inner wall of the pipe to be welded, a driving mechanism 200 and an adjustment fixing frame 300 provided with a welding torch 310; the automatic welding torch also includes a round The fixed sleeve 400 and the rotating sleeve 500; the positioning mechanism 100 is arranged at the front end of the fixed sleeve 400, and has the same central axis as the fixed sleeve 400; the rotating sleeve 500 is rotatably sleeved on the fixed sleeve 400 The outer surface of the rear part is also on the same central axis as the fixed sleeve 400; a part of the driving mechanism 200 is arranged on the outer surface of the fixed sleeve 400, and the other part is arranged on the outer surface of the rotating sleeve 500 to d...
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The invention relates to an automatic welding gun for tube-plate circumferential welding. The automatic welding gun comprises a positioning mechanism, a driving mechanism, an adjustment fixed bracket, a circular fixed sleeve and a rotating sleeve, wherein the positioning mechanism is detachably fixed on the inner wall of a welded tube; the adjustment fixed bracket is provided with a welding gun; the positioning mechanism is arranged on the front end of the fixed sleeve, and the positioning mechanism and the fixed sleeve have the same central axis; the rotating sleeve is rotatably sheathed on the external surface of the rear part of the fixed sleeve, and the rotating sleeve and the fixed sleeve have the same central axis; one part of the driving mechanism is arranged on the external surface of the fixed sleeve, and the other part of the driving mechanism is arranged on the external surface of the rotating sleeve so as to drive the rotating sleeve to rotate around the coaxial line of the fixed sleeve; and the adjustment fixed bracket is arranged on the external surface of the rotating sleeve. The automatic welding gun can be accurately and quickly fixed on the inner wall of the welded tube, has the advantages of simple structure, high welding efficiency, high welding quality and the like, and is especially suitable for welding a thick-wall tube with a thick plate.
Description
【Technical field】 [0001] The invention relates to gas flame welding, in particular to gas shielded welding of circumferential seams, and especially to an automatic welding torch for circumferential welding of tubes and plates. 【Background technique】 [0002] The prior art automatic welding equipment includes an automatic welding torch for circumferential welding of tubes and plates, which is commonly used in the boiler industry. The prior art tube-plate circumferential welding automatic welding torch adopts argon arc welding, which has low welding efficiency and poor forming effect, especially when the thickness of the welding workpiece is thick, the welding efficiency is lower and the forming effect is even worse. [0003] In the tube-plate welding process, the welding quality and efficiency of the circumferential seam between the tube and the plate also depend on how to quickly and accurately position the automatic welding torch and the welded parts, and the prior art is n...
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IPC IPC(8): B23K5/22
Inventor 邱光张利华
Owner SHENZHEN RILAND IND