Automatic cap liner assembly device

The invention provides an automatic cap liner assembly device. The automatic cap liner assembly device comprises a main body mechanism and a control system, wherein the main body mechanism is fixedly arranged on the ground, and is partly fixed on the ground; a lower module is fixed on a rack, a paper-feeding air cylinder is connected with a paper-clamping air cylinder, a blanking punch is connected with a blanking gas-liquid pressurized cylinder, and a press-in punch is connected with a press-in air cylinder; a small hole punch is connected with a small hole gas-liquid pressurized cylinder, a material receiving plate is connected with the rack, and a paper tube is fixed on a paper tube support; a control system feeds back the signal through a starting button and a sensor, and the signal is output to electromagnetic valves so as to control the operation of the main body mechanism. The automatic cap liner assembly device provided by the invention has the advantages that the automatic blanking and press fitting