Automatic tray replacing system

An automatic tray replacing system comprises a rack, a tray ejection mechanism arranged in the rack, a placing structure arranged on the top of the rack and a sliding mechanism arranged on the top of the rack. The material tray ejection mechanism comprises a lifting air cylinder vertically installed on the side face, facing the rack bottom plate, of the back plate or the top face of the rack bottom plate, a material tray supporting plate connected with the output end of the lifting air cylinder, a side baffle arranged in a gap between the back plate and the stand column, and an inner blocking strip arranged on the opposite side of the stand column in a protruding mode. The automatic tray replacing system can automatically supply trays in sequence, and is simple in structure, economical, practical, low in cost and high in practical value. 一种自动化料盘更替系统，其包括机架，设置在所述机架内料盘顶出机构、设置于所述机架顶部的放置结构，以及设置于所述机架顶部的滑动机构，所述料盘顶出机构包括呈竖直状态安装于背板朝向机架底板的侧面上或所述机架底板的顶面上的升降气缸，与升降气缸的输出端均连接的料盘托板、设置于背板与立柱之间的间隙中的侧挡板及突出设置于立柱相向的一侧的内挡条。该自动化料盘更替