Inner wall-grinding and heat-chamfering device and method for overlength large diameter aluminum alloy tube

Abstract

The invention discloses an inner wall-grinding and heat-chamfering device and method for an overlength large diameter aluminum alloy tube. The device comprises a rotary base, an aluminum alloy tube, amain bracket, a guide bar, a guide bar supporting wheel, a substrate A, a guiding powder device, a heat chamfering device, a substrate B, an auxiliary bracket, a grinding head, a gentle mechanism anda grinding head bracket, wherein the substrates are connected to the ground through expansion screws; the rotary base and the main bracket drive the aluminum alloy tube to rotate; the grinding head is used for grinding a weld joint in the aluminum alloy tube; the guiding power device and the guide bar drive the grinding head to penetrate into the aluminum alloy tube to grind the weld joint in thealuminum alloy tube. The device can overcome deficiencies that the manual grinding efficiency is low, the environment is severe, the grinding quality is poor and the like as flanges of the large diameter aluminum alloy tube which is automatically machined by means of friction stir welding effectively, and high efficiency, high quality and automatic grinding of the weld joint in the large diameteraluminum alloy tube by means of friction stir welding is achieved.

Description

technical field [0001] The invention relates to the field of forming and welding of metal pipes, in particular to a method and device for grinding the inner wall of an ultra-long and large-diameter aluminum alloy pipe and chamfering the flat end. Background technique [0002] Large-diameter aluminum alloy pipe is a metal pipe with an outer diameter greater than 600mm. It is mainly used in aerospace, energy and electric power fields. With the wide application of gas-insulated switchgear GIS and gas-insulated metal-enclosed transmission line GIL technology at home and abroad, its main Part - the demand for large-diameter aluminum alloy pipes is increasing. With the maturity of spiral welding technology and friction stir welding technology, the automatic processing of high-strength large-diameter aluminum alloy pipes will become possible through spiral friction stir welding technology, and spiral friction stir welding large-diameter aluminum alloy pipes will be mass-produced. ...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the flash of large-diameter aluminum alloy pipes automatically processed by friction stir welding has low manual grinding efficiency, harsh environment and poor grinding quality; in order to solve the above problems, the present invention provides a super-long, large Method and device for grinding inner wall of caliber aluminum alloy tube and chamfering flat end

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