Vacuum lifting device for flat workpieces, e.g. boards, planks, plates of wood

摘要

Each suction chamber is connected via a conduit with incorporated control valve for vacuum formation and release to a vacuum distributor. It is further connected via a suction conduit with incorporated vacuum switch valve to a vacuum accumulator with vacuum pump. The suction chamber conduits (3) and the vacuum distributor (5) are connected to a distributor block (9) for a frost protection medium. The suction chamber conduits each with a control valve (4) are connected to the underside of the distributor block. The vacuum distributor extends at an angle to the control valves from one face side of the distributor block. The distributor block has a horizontal suction channel (10), in which issues from the top a vertical inflow channel (11) for the frost protection medium.