Patent ID: 7421309

Claim:
A control device of an injection molding machine which melts a resin material by heating and injects the molten resin into a mold to manufacture a molded article, the control device comprising: a human-machine interface which has a display unit and takes in as input information an operation and data input only on the display unit; a first control section which switches and displays, on the display unit of the human-machine interface, a plurality of condition setting screens necessary to set various operation conditions of the injection molding machine, each of the plurality of condition setting screens displaying a plurality of condition item patterns which correspond to the various operation conditions; a second control section, wherein when one of the condition item patterns is specified/operated, the second control section pop-up-displays, over the condition setting screen displayed in the display unit, a setter screen to set data of the operation conditions corresponding to the specified/operated condition item pattern; a third control section, wherein when the setter screen is displayed on the display unit, third control section displays a history screen showing the history of operations performed only on the displayed setter screen, in an area different from a display area of the setter screen; a fourth control section which arranges and displays, in a predetermined area of the display unit, a plurality of informing patterns to inform of the operation conditions set in the at least one of a plurality of condition setting screens in an order of time in which each of the informing patterns are set; and a fifth control section, wherein when at least one of the plurality of informing patterns is specified/operated, the fifth control section pop-up-displays, over the condition setting screen displayed in the display unit, the setter screen to set data on the operation conditions corresponding to the specified/operated informing pattern, wherein the setter screen comprises a cancel button for canceling the pop-up display on the setter screen, and a stopper pin button for locking the information patterns on the condition setting screen.