Device for vacuum heat correction of profile of titanium alloy welded component and method of device

Abstract

The invention discloses a device for vacuum heat correction of a profile of a titanium alloy welded component and a method of the device, and the device and the method are used for correcting profiledeformation of a titanium alloy welded component. The device comprises an annular base, the lower portion of the annular base extends towards the outer portion of the annular base so that an annular supporting table can be formed, and the annular supporting table is provided with an annular appearance face block. The shape of a cavity formed between the annular base and the annular appearance faceblock is the same with the outer shape of the titanium alloy welded component. The cavity is filled with an upper core block and a lower core block. A pressing ring is arranged at the upper end of the annular base, and a flying ring is arranged on the inner wall of the annular base. When welding inner stress of a to-be-corrected titanium alloy welded component is eliminated, under the action of the pressing ring of the device, the lower core block and the upper core block push the to-be-corrected titanium alloy welded component to be closely attached to the inner wall of the cavity formed between the annular appearance face block and the annular base, and the purpose of correcting the titanium alloy welded component is achieved.

Description

Technical field: [0001] The invention relates to the technical field of welding component correction, in particular to a device and method for vacuum thermal correction profile of a titanium alloy welding component. Background technique: [0002] Such as figure 1 As shown, a welded component is welded by single piece 1, single piece 2 and single piece 3, all of which are made of titanium alloy. Resistance welding is used to connect single piece 2 and single piece 3, and argon arc welding is used to connect single piece 3 and single piece 1. This kind of titanium alloy welded component is a functional component, which has high requirements on the manufacturing quality and reliability of the parts, and has very high requirements on the profile of the parts, requiring a profile of ≤0.4mm. [0003] Before adopting the technology of the present invention, there was no correcting technical means for the surface profile of this type of titanium alloy welded member, and the profil...

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Problems solved by technology

[0003] Before adopting the technology of the present invention, there was no correcting technical means for the surface profile of this type of titanium alloy welded member, and the profile after welding was controlled by controlling the forming accuracy of the single piece 2 and the single piece 3, due to resistance welding and There is welding internal stress in argon arc welding. During the vacuum stress relief annealing, with the release of the stress, the surface of the part will be greatly deformed. After the vacuum stress relief heat treatment, the profile of the surface is about 1.5-2.3mm. The profile requirements of this titanium alloy component cannot be guaranteed

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