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[CN 201720968598.2] A New Type of Four-column Double-acting Hydraulic Press
[CN 201720968598.2] Title of a new type of four-column double-acting hydraulic press: Application number of a new type of four-column double-acting hydraulic press: CN 201720968598.2 Applicant: Ningbo Chenli Hardware Technology Co., Ltd. Application Date: 2018-2-6 Patent Type: Utility Model The utility model discloses a new type of four-column double-acting hydraulic press, which solves the problem that during the operation of the four-column hydraulic press, stamping objects need to be manually placed, and then the switch to complete the stamping process, the process of artificially pressing the switch will reduce the efficiency of the four-column hydraulic press stamping objects. The main points of the technical scheme are: including a pressure detection device, a voltage comparison device preset with a pressure reference signal and coupled to the pressure detection device to receive the pressure detection signal and compare the pressure reference signal and the pressure detection signal and output a voltage comparison signal, a first control device coupled to the voltage comparison device to receive the voltage comparison signal and output a first control signal, coupled to the first control device to receive the first control signal and respond to the first control signal the signal is used to open and close the human body detection device of the four-column double-acting hydraulic press, the utility model provides a novel four-column double-acting hydraulic press, which can effectively improve the efficiency of punching objects by a low four-column hydraulic press.
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