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[CN 201720591819.9] Advanced opening interlocking protection safety door device for press machine


[CN 201720591819.9] A kind of advanced opening chain protection safety door device for press Title: A kind of advanced opening chain protection safety door device for press Application number: CN 201720591819.9 Applicant: Wode Precision (China) Co., Ltd. Application date: 2017-5-25 Patent type: Utility model This utility model belongs to the field of safety protection devices, and specifically relates to a advanced opening chain protection safety door device for press, it includes a proximity switch, an electric box, a cam and a fence. The electric box is equipped with a safety door control circuit; the fence is pivotally connected with a bed door, the fence is equipped with a safety door switch and an electric door lock, and the machine door is equipped with a latch key; The safety door switch sends a signal to the safety door control circuit, and the safety door control circuit is connected to the electric door lock and the driving device; the cam is installed on the crankshaft of the press machine, the rotation track of the outer circumferential surface of the cam is located in the sensing area of the proximity switch. The beneficial effects of the utility model: when a single or continuous stamping action is in progress, the machine tool door is closed; after all dangerous movements are over or during the rising process from the middle position of the stamping return of the press slider to the end position, the machine tool door can be opened without interrupting the working stroke, without affecting the production efficiency, and with great safety guarantee.