Be applied to moulding's vacuum automatic control device

The utility model provides a be applied to moulding's vacuum automatic control device, including display, PLC, vacuum sensor, control valve, vacuum valve, vacuum pump and real empty can, the vacuum pump is connected with real empty can for provide the vacuum to real empty can, real empty can and forming die intercommunication for provide the vacuum to forming die, vacuum valve set up in real emptycan's vacuum output, vacuum sensor is used for detecting vacuum in the forming die, the control valve with vacuum valve connects, PLC respectively with display, vacuum sensor and control valve are connected, the utility model discloses vacuum valve's open proportion is controlled according to vacuum sensor 's testing result to avoided because the change of vacuum and lead to that the same what inhale that the shaping of thick liquid time comes out is the change that the weight of support was moulded to the mould, made the same different reduction of weight difference of inhaling mould that the shaping of thick liquid