Automatic control device and control method of paper supply pressing wheel of tipping paper of cigarette making and plug assembling machine

The invention relates to an automatic control device and control method of a paper supply pressing wheel of tipping paper of a cigarette making and plug assembling machine; the automatic control device comprises a pressing wheel mechanism, a fixed base, an air cylinder, a two-position five-way electromagnetic valve and an auxiliary contact; an air cylinder is fixed on the fixed base, and an air cylinder rod penetrates through the fixed base and is fixedly connected with the pressing wheel mechanism; the two-position five-way electromagnetic valve is connected with an air source and the air cylinder through pipelines; a piston is arranged in the air cylinder and fixedly connected with the air cylinder rod; the auxiliary contact is arranged on a cutter contactor; and the auxiliary contact isin electrical signal connection with the two-position five-way electromagnetic valve. According to the technical scheme, the air cylinder is adopted to control the pressing wheel mechanism to move upand down to realize the g