Rapid centering device

The utility model discloses a quick centering device which comprises a scriber, two sliding plates and two connecting plates, the two sliding plates are distributed in the left-right direction, the two connecting plates are distributed in the front-back direction, the connecting plates are located above the sliding plates, the left end and the right end of each connecting plate are rotationally arranged on the two sliding plates respectively, and the scriber comprises a fixing sleeve and a scriber. The inner top wall of the fixing sleeve is connected with a spring, the marking pin is connected with the bottom end of the spring, the fixing sleeve is fixed to the middle of a connecting plate, and the bottom end of the marking pin can make contact with a workpiece. The device can quickly draw the center line of the workpiece, the cost is reduced, and the scribing efficiency is improved. 本实用新型公开了一种快速分中器，包括划线器、两块滑板和两块连板，两块滑板沿左右方向分布，两块连板沿前后方向分布，连板位于滑板上方，连板的左右两端分别转动设置于两块滑板上，所述划线器包括固定套和划针，所述固定套内顶壁连接有弹簧，所述划针与弹簧的底端连接，固