AN APPARATUS FOR AIR PRESSURE COMTROL OF WORKTABLE HAVING SUCTION DEVICE

摘要

The present invention provides a pneumatic control device of a vacuum suction station comprising: an air distribution module (10) having a high pressure air inlet (14) and having a pair of a first and a second high pressure air outlet (16, 18); a first air solenoid valve module (20) having a first inlet hole (22) and having a first outlet hole (23) and having a first and a second porter (24, 26); a second solenoid valve module (30) having a second inlet hole (32) and having a second outlet hole (33) and having a third and a fourth porter (34, 36); a vacuum forming module (40) of which one end portion has an air inlet (42) and the other end portion has an air outlet (46) and an upper portion has an air suction hole (44); a vacuum releasing module (50); and a control module (80) controlling the first and the second air solenoid module (20, 30) and the vacuum forming module (40) and the vacuum releasing module (50), respectively.