A tension-compression composite plate stretch forming machine
A stretch forming and composite technology, applied in the direction of aircraft parts, feeding devices, manufacturing tools, etc., can solve the problems of expensive equipment, large transition zone allowance, complex hydraulic control system and electrical control system, etc., and achieve hydraulic control Simplified system and electrical control system, uniform distribution of tensile stress and strain, and easy operation and maintenance
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[0022] The specific content and working process of the present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.
[0023] The pressing device of the tension-compression composite plate stretch forming machine of the present invention is arranged in a row by a plurality of pressing mechanisms, and the pressing mechanisms are composed of rollers, hydraulic cylinders, pins and brackets. During the stretch forming process of the sheet, due to the uneven deformation and double curvature deformation of each part of the sheet, the roller can generate a certain corner around the pin to adapt to the change of the sheet. The clamping mechanism of the stretch forming machine is composed of clamps, hinged rods, return springs and guide rollers. The clamps are composed of hydraulic cylinders, clamping racks, upper and lower clamping blocks and are arranged in a row with the hinged rods. Head swing function. The function of th...
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