Welding support device for thin-walled cylindrical parts
A supporting device and thin-walled tube technology, applied in the field of mechanical processing, can solve the problems of non-reusable use and difficult disassembly of welding supporting devices, and achieve good social benefits, reduce production costs and storage space, and avoid damage.
Active Publication Date: 2022-04-08
西北机电工程研究所
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is: how to solve the problem that the welding support device is difficult to disassemble and cannot be reused after welding when the thin-walled cylindrical parts are assembled and welded
Method used
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Embodiment 1
[0072] The supporting device for assembly welding of thin-walled cylindrical parts provided by the present invention includes a nut, an end face positioning ring, a mandrel, a second positioning ring, a first spacer, a second spacer, a third positioning ring, a fourth positioning ring, the third spacer, the first elastic fastening ring, the second elastic fastening ring, and the third elastic fastening ring. The mandrel is a stepped shaft part, on which a fastening thread and a positioning stepped surface for installation are provided. The locating ring is an intermediate locating part, which has multiple groups, and is installed on the locating cylindrical surface of the mandrel, and has a mounting taper surface on the outside. Pad block is a kind of special supporting part, there are many groups, each group of pad block is composed of six loose blocks, the inner hole cone surface matches the outer cone surface of the positioning ring, and the outer cylindrical surface matche...
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The invention belongs to the technical field of mechanical processing, and in particular relates to a welding support device for thin-walled cylindrical parts. The present invention utilizes the existing part structure to provide a new thin-walled cylindrical part assembly welding support device, which realizes rapid support and heat dissipation for the combined welding of thin-walled cylindrical parts, avoids damage when removing the support device, and reduces production costs and storage space . In the present invention, three groups of wedge-shaped movable pads with precise angles are designed, which solves the problem of force deformation and the withdrawal of the mandrel during disassembly and assembly, and realizes high-precision welding of thin-walled cylindrical parts. In the present invention, the combination of the conical positioning ring and the conical surface of the cushion block is used to adjust the radial clearance, effectively compensating the processing error of each workpiece, and ensuring the positioning accuracy.
Description
technical field [0001] The invention belongs to the technical field of mechanical processing, and in particular relates to a welding support device for thin-walled cylindrical parts. Background technique [0002] The combined welding of thin-walled cylindrical parts is the most difficult in the field of welding. The main reason is to consider the influence of welding deformation. A simple support device must be made during welding. This support device is affected by welding heat transfer and the structure of thin-walled cylindrical parts. It is difficult to disassemble the supporting device after welding, and it is often necessary to destroy the supporting device for removal. This method is time-consuming, labor-intensive, and wasteful, so designing a support device for assembly welding of thin-walled cylindrical parts by using the existing part structure to realize the rapid disassembly and reuse of the support device after assembly and welding of thin-walled cylindrical pa...
Claims
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IPC IPC(8): B23K37/053
CPCB23K37/0531
Inventor 冯晓维吕宝金张东生赵飞超张双双
Owner 西北机电工程研究所