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Large cylindrical welding structure flame automatic air gouging method and special device

A welding structure, cylindrical technology, applied in the field of gouging, can solve the problems of high labor intensity, low production efficiency, difficult to automate gouging, etc., and achieve the effect of reducing labor intensity, improving production efficiency, and reducing production costs

Inactive Publication Date: 2010-07-21
李越
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current common method is carbon gouging. Carbon gouging requires high-power welding power supply, gouging pliers, compressed air, carbon rods, etc. It is troublesome and difficult to stop and feed carbon rods and replace carbon rods during operation. Realize automatic gouging, low production efficiency and high labor intensity

Method used

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  • Large cylindrical welding structure flame automatic air gouging method and special device
  • Large cylindrical welding structure flame automatic air gouging method and special device
  • Large cylindrical welding structure flame automatic air gouging method and special device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Automatic flame gouging method for large cylindrical welded structures, in the production of large cylindrical welded structural parts, the straight welds and circular welds of the processed parts with Y-shaped grooves are automatically flame gouged and sloped Mouth: The mechanical mechanism drives the gouging gun and the gouging nozzle to move along the motion track of the straight weld seam and the circular weld seam of the cylindrical workpiece, and the preheating flame ejected from the nozzles above and below the gouging nozzle After the steel is heated to the melting temperature at which the metal can flow, the high-pressure gouging oxygen jetted from the oxygen nozzle burns, oxidizes and blows off the preheated part of the steel to form grooves, realizing automatic flame gouging.

Embodiment 2

[0021] The special equipment for flame automatic gouging with large cylindrical welded structure consists of: a movable cross-shaped frame 1, on which a console 2 is installed, and the gas pipe 3 passes through the control The table 2 is connected with a gouging gun 4, and the gouging gun 4 is equipped with a gouging nozzle 5, and the working object of the gouging gun 4 is a straight welded workpiece 6, and the straight welded workpiece 6 is placed On the roller frame 7, the workpiece is a linear weld.

[0022] In the special equipment for flame automatic gouging with a large cylindrical welded structure, the gouging gun 4 is connected to the movable cross-shaped frame 1 through a connecting adjustment piece 8; the console 2 includes an energy media box 9 and two gas pipes that run through the console.

[0023] The special equipment for flame automatic gouging with a large cylindrical welded structure is characterized in that: the gouging nozzle 5 includes a high-pressure oxy...

Embodiment 3

[0025] Embodiment 2 Large-scale cylindrical welded flame automatic gouging equipment, which consists of: a movable cross-shaped frame 1, a console 2 is mounted on the movable cross-shaped frame 1, and the gas pipe 3 Connect the gouging gun 4 through the console 2, the gouging gun 4 is equipped with a gouging nozzle 5, the working object of the gouging gun 4 is the girth weld workpiece 14, and the girth weld processing Part 14 is placed on the roller frame 7, and the described workpiece is an annular or curved weld.

[0026] In the special equipment for flame automatic gouging with a large cylindrical welded structure, the gouging gun 4 is connected to the movable cross-shaped frame 1 through a connecting adjustment piece 8; the console 2 includes an energy media box 9 and two gas pipes that run through the console.

[0027] The special equipment for flame automatic gouging with a large cylindrical welded structure is characterized in that: the gouging nozzle 5 includes a high...

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PUM

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Abstract

The invention relates to a large cylindrical welding structure flame automatic air gouging method and a special device. Air gouging is a processing mode which melts metal, blows off the melted metal by compressed air to form a dadoing, and is mainly used for groove preparation of metal structural parts before welding, back gouging after welding and removal of bad weld and welding scars. The large cylindrical welding structure flame automatic air gouging method is characterized in that flame automatic air gouging back gouging and groove beveling are carried out on straight welding line and girth welding line of machined parts with Y-shaped grooves in the manufacture of large cylindrical welding structural parts; a mechanical mechanism drives an air gouging gun and an air gouging mouth to move along the movement locus of the straight welding line and the girth welding line of the cylindrical workpieces; preheating flame is spouted from spouts above and below the air gouging mouth to heat steel materials of the surface of the workpieces to the melting temperature; high pressure air gouging oxide spouted from the oxide spouts partially burns and oxidizes preheated parts of the steel materials, and blows off the preheated parts to form the grooves; and the automatic flame air gouging back gouging is realized. The invention is used for automatic air gouging back gouging of the straight welding line and the girth welding line of the large cylindrical welding structure.

Description

Technical field: [0001] The invention relates to a novel gouging method, in particular to a flame automatic gouging method and special equipment for a large cylindrical welded structure. Background technique: [0002] Gouging is a processing method that melts the metal and blows the molten metal away with compressed gas to form a gouging groove. It is mainly used for groove preparation of metal structural parts before welding, root cleaning after welding, and removal of bad welds and weld scars. At present, the common method is carbon gouging. Carbon gouging requires high-power welding power supply, gouging pliers, compressed air, carbon rods, etc. It is troublesome and difficult to stop and feed carbon rods and replace carbon rods during operation. Realize automatic gouging, low production efficiency and high labor intensity. Invention content: [0003] The object of the present invention is to use the flame formed by industrial gas and oxygen to heat metal, and the heat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K7/00
Inventor 李越
Owner 李越