Feeding turnover device for automatic double-face welding

By designing the rotating seat, limit gear, vibration box and protective gas valve in the automatic double-sided welding feeding flip device, the problems of loose welded parts clamping, insufficient welding internal stress and protective gas are solved, and high-quality welding process and product performance are achieved.

CN119681559AInactive Publication Date: 2025-03-25PENGLAI JUTAL OFFSHORE ENG HEAVY IND CO LTD
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Patent Information

Application Number
CN202510189033.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2025-03-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing automatic double-sided welding feeding flip device cannot effectively fix large and heavy-duty welded parts during the flip process, resulting in loose clamping, affecting welding quality, and residual stress in welding will cause deformation of the welded parts, and insufficient protection gas when the welding temperature rises, which easily forms oxide inclusions, reducing the mechanical properties and corrosion resistance of the weld.

Method used

An automatic double-sided welding feeding flip device including a rotating seat, a limiting gear, a vibration box and a protective air valve is designed. By driving the second motor to rotate the rotating seat and the rotating block in synchronization, the coupling of the linkage block and the spring is used to achieve clamping of the welded parts; by designing the vibration box, the acceleration structure of the gears and connecting rods are used to generate vibration to reduce the residual stress of the welded parts; by designing the bimetallic sheet of the protection gas valve, the overflow of the protection gas is automatically adjusted according to temperature changes, and the occurrence of defects such as oxidation and nitriding is prevented.

Benefits of technology

It effectively avoids loose clamping of welded parts caused by too fast flip speed, ensures the stability of welding quality, reduces internal stress of welding, improves the mechanical properties and corrosion resistance of welded parts, and reduces the occurrence of safety accidents.

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Abstract

The invention belongs to the technical field of double-face welding, and discloses an automatic double-face welding feeding turnover device which comprises a base, a vertical plate is fixedly connected to the upper surface of the base, a transverse plate is fixedly connected to one side of the vertical plate, the outer edge of one end of the transverse plate is movably sleeved with one end of a turnover arm, and the outer edge of the other end of the transverse plate is movably sleeved with one end of a fixed arm. One end of the vertical plate is fixedly connected with a telescopic rod, the inner side of the telescopic rod is fixedly connected with a connecting table, the outer edge of the connecting table is movably sleeved with a welding air cylinder, one side of the transverse plate is fixedly connected with a first motor, and the output shaft end of the first motor is fixedly connected with a lead screw. By means of the design of the rotating base and the limiting gear, the situation that a centrifugal force is generated on a large heavy workpiece due to the too high overturning speed, and consequently clamping of a welded part is loosened is avoided, the follow-up welding quality is guaranteed, and safety accidents are reduced.
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