A pressure arm cylinder clamping mechanism for welding fixtures

By designing a clamping mechanism that includes a base, cylinder, pressure arm, and support seat, the problem of poor clamping stability of round rod workpieces in the prior art is solved, and a simple, stable, and easy-to-operate round rod fixing is achieved, which can meet the needs of round rods of different diameters.

CN224445084UActive Publication Date: 2026-07-03OUNIBO (SHANGHAI) MASCH AUTOMATION CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
OUNIBO (SHANGHAI) MASCH AUTOMATION CO LTD
Filing Date
2025-08-07
Publication Date
2026-07-03

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    Figure CN224445084U_ABST
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Abstract

This application discloses a pressure arm cylinder clamping mechanism for welding fixtures, belonging to the field of mechanical clamping tooling. The clamping mechanism includes a base, a cylinder fixedly mounted on the base, a pressure arm movably mounted on the output end of the cylinder, and a support seat on the base for supporting a cylindrical workpiece. The base is an L-shaped plate. Two symmetrically distributed support blocks are fixedly mounted on the base. The cylinder is fixedly mounted between the two support blocks. One end of the pressure arm is hinged to the output end of the cylinder. A connecting rod is fixedly mounted between the two support blocks. The middle part of the pressure arm away from the cylinder output end is hinged to the connecting rod. The support seat is movably mounted on the outer wall of the base, opposite to the end of the pressure arm away from the cylinder output end. This clamping mechanism presses the end of the pressure arm away from the cylinder output end against the cylindrical workpiece, and, in conjunction with the support seat, completes the fixation of the cylindrical workpiece. It has a simple structure, is easy to operate, and has good stability.
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