Full-automatic plate bending machine and control method thereof

Abstract

The invention relates to a full-automatic plate bending machine and a control method thereof. The plate bending machine comprises a machine body, a main motor or a hydraulic motor, a speed reducer, a fixed driving roll, a movable driven roll, a coiling press roll movable shaft seat and a movable shaft seat opening-closing hydraulic cylinder, wherein the front part and the rear part of the machine body are connected with an automatic loading device and an automatic unloading mechanism respectively; the lower part of the machine body is provided with a plurality of displacement sensing mechanisms correspondingly connected with the movable driven roll; one side of the machine body is provided with an automatic control device; and the automatic control device is connected with the main motor or the hydraulic motor, a lifting hydraulic cylinder, the automatic loading device, the automatic unloading mechanism and the displacement sensing mechanisms respectively through signal transmission lines. The full-automatic plate bending machine realizes the automatic machine-shaping of metal plate blank winding drums by using an intelligent automatic control method so as to greatly improve the production efficiency and greatly reduce the labor intensity for operators, and can reliably guarantee the quality of products.

Description

technical field [0001] The invention belongs to the technical field of metal plate rolling equipment, in particular to a full-automatic plate rolling machine for rolling metal plates into circular, arc or conical shapes and a control method thereof. Background technique [0002] The plate rolling machine is the main equipment for producing cylindrical or arc-shaped workpieces by passing the plate through the rotating roller shaft. Especially for the rolling of large workpieces, the four-roller plate rolling machine is commonly used. The working principle of this machine is : It consists of a fixed driving roller at the top and three movable passive rollers below it that can move up and down. The driving roller is driven by a driving motor or a hydraulic motor to rotate, and the passive roller is generally driven by a hydraulic cylinder. Adjust the distance between the passive roller and the driving roller. the gap between. During plate rolling, the rotation of the active ro...

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Problems solved by technology

[0003] (1) The gap between the movable roller and the fixed driving roller is completely adjusted by manually operating the expansion and contraction of the hydraulic cylinder based on experience. The size of the gap is difficult to grasp, and the quality of the rolled workpiece is mainly guaranteed by the technical level and practical experience of the workers. , and low production efficiency;

[0004] (2) The feeding mechanism is completely manually adjusted for the feeding position of the sheet, especially when rolling large workpieces, it is necessary to use lifting equipment to move the sheet to the right position, and it is easy to cause deviations in the feeding angle and cause scrapping of the workpiece ;

[0005] (3) The rolled workpiece is removed from the driving roller by manual movement, and the large workpiece needs to be unloaded with a lifting tool, which is not only labor-intensive, but also seriously affects the improvement of production efficiency

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