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Closed three-element impeller slot welding machining and robot automatic welding control method

A technology of automatic welding and control methods, applied in the direction of computer control, program control, general control system, etc., to achieve accurate processing, improved economic benefits, and good results

Active Publication Date: 2012-08-01
SHENYANG BLOWER WORKS GROUP CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This technology needs to solve many key technical problems, mainly including the milling of ternary blades and welding slots, the automatic control method of slotting welding with welding robots, etc., and the milling of ternary blades and welding slots can be well solved at present. The automatic control method of making and slotting welding has not been reported yet

Method used

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  • Closed three-element impeller slot welding machining and robot automatic welding control method
  • Closed three-element impeller slot welding machining and robot automatic welding control method
  • Closed three-element impeller slot welding machining and robot automatic welding control method

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Embodiment Construction

[0052] The best implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0053] Such as figure 1 As shown, the closed ternary slotted welding impeller processing and robot automatic welding control method of the present invention comprises the following steps:

[0054] Turning the blank to form the wheel disc 3 and the wheel cover 4;

[0055] Mill out the blade 1 on the disc 3;

[0056] Mill out the groove body on the wheel cover 4;

[0057] The wheel disc 3 and the wheel cover 4 are welded together by a welding robot to complete the automatic welding of the closed three-dimensional slotted impeller.

[0058] For the closed ternary impeller, the two-piece welding process is adopted. Before the blade 1 is milled, the problem of good contact between the processed wheel cover 4 and the milled blade 1 must be solved first. Such as figure 2 As shown, it is a schematic diagram of the model of the processed blade 1...

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Abstract

The invention relates to a closed three-element impeller slot welding machining and robot automatic welding control method, which comprises the following steps of: turning a blank to obtain a wheel disc and a wheel cover; milling blades on the wheel disc; milling a slot body on the wheel cover; welding the wheel disc and the wheel cover into a whole through a welding robot to finish automatic slot welding of a closed three-element impeller, wherein the step of welding the wheel disc and the wheel cover into a whole comprises the following substeps of: calling a test point access subprogram and storing M test points from a welding slot in a welding robot controller; controlling a welding gun to weld corresponding blades in the impeller; calculating and correcting an angle of a rotary worktable if the count value is smaller than the preset value, and calibrating the position of the next welding slot of the impeller further; and continuously welding the next welding slot. The wheel coverand wheel disc molded lines of the three-element impeller are accurately machined, the welding slot and the blades have good centering properties, automatic welding control of the welding robot is stable and accurate, and the machining efficiency of the closed three-element impeller is improved.

Description

technical field [0001] The invention relates to the technical fields of mechanical processing and numerical control, in particular to a closed three-dimensional slotted welding impeller processing and robot automatic welding control method. Background technique [0002] The ternary impeller is used more and more widely as a key part of the turbomachinery in aviation, machinery, chemical industry and other industries, especially in the fan enterprises at home and abroad, the pace of improving the processing technology of the ternary impeller has never stopped. The ternary stainless steel material The advanced impeller milling technology is leading the continuous improvement of the level of five-axis CNC machining. [0003] Closed three-dimensional impeller blades are more and more used in compressors, and some closed three-dimensional impeller blades have narrow flow passages and large blade distortions, which are difficult to achieve with the usual welding method. In order ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P23/04G05B19/4093
Inventor 王学军戴继双魏国家裴立群
Owner SHENYANG BLOWER WORKS GROUP CORP
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