Metal plate edge folding device

The invention provides a metal plate edge folding device. The metal plate edge folding device comprises a rack, a rolling wheel, a bearing wheel, a first rotating shaft, a second rotating shaft, a sliding block, an arc-shaped guide rail and a driver, the rolling wheel is arranged on the first rotating shaft, the bearing wheel is arranged on the second rotating shaft, and an included angle is formed between the rolling wheel and the bearing wheel. The sliding block can slide relative to the arc-shaped guide rail, and the sliding block is connected with the rolling wheel through a first rotating shaft. The driver is connected with the sliding block and used for driving the sliding block to slide along the arc-shaped guide rail so as to adjust the included angle between the rolling wheel and the bearing wheel. 本发明提供一种钣件折边装置，包括机架以及设置于机架上的滚轧轮、承载轮、第一转轴、第二转轴、滑块、弧形导轨以及驱动器。滚轧轮设置于第一转轴上，承载轮设置于第二转轴上，滚轧轮与承载轮之间具有一夹角。滑块可相对于弧形导轨上滑动，且滑块经由第一转轴连结滚轧轮。驱动器链接滑块，用以驱动滑块沿着弧形导轨滑动，以调整滚轧轮与承载轮之间的夹角。