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[CN 201620183654.7] PLC control device of press machine


[CN 201620183654.7] Title of PLC Control Device of Press: Application Number of PLC Control Device of Press: CN 201620183654.7 Applicant: Shanghai Yunliang Forging Machine Tool Co., Ltd.; Application Date of Shanghai University of Engineering and Technology: March 10, 2016 Patent Type: Utility Model This utility model provides a PLC control device for a press machine, which includes an upper computer and a lower computer composed of a PLC controller connected to the upper computer, and a measuring mechanism for measuring the real-time displacement and speed of the lifting slider on the electric screw press, the measuring mechanism includes a magnetic scale placed inside the vertical pillar of the electric screw press, and a magnetic head arranged on the lifting slider to read the magnetic scale signal, the magnetic head is connected to the PLC controller, and two limit switches placed on and under the total stroke of the lifting slider, both of which are connected to the PLC controller. The utility model adopts a measuring mechanism that specially measures the real-time displacement and speed of the lifting slider, and connects it with the PLC controller to transmit the real-time information of the lifting slider to the upper computer, which can be adjusted at any time according to production needs to achieve precise control.