Intelligent paper covering device of self-heating sheet

The invention relates to an intelligent paper covering device of a self-heating sheet. The intelligent paper covering device of the self-heating sheet comprises plate type electric conveying belt equipment, a PLC, cylinders, a machine frame and a negative pressure suction mechanism; the plate type electric conveying belt equipment, the PLC, the cylinders and the negative pressure suction mechanismare electrically connected; the intelligent paper covering device of the self-heating sheet further comprises paper conveying mechanisms; the cylinders are installed on the machine frame; multiple sets of same paper conveying mechanisms are arranged; each set comprises three pressure blocks, two springs and two limiting rods, which are installed together, wherein multiple sets and another multiple sets of paper conveying mechanisms are respectively installed at the left side and the right side of the machine frame; the lower middle parts at the left and right sides of the machine frame are each provided with an openi