Gluing device adopting infrared thickness gauge to carry out coating amount closed-loop control

The utility model provides a gluing device adopting an infrared thickness gauge to carry out coating amount closed-loop control. The system comprises a PLC control device, a multi-roller coating device and a detection device, the multi-roller coating device comprises a metering steel roller, a transfer steel roller, a transfer rubber roller, a coating steel roller and a gluing compression roller;wherein the detection device is arranged behind the coating steel roller, the detection device comprises an infrared thickness gauge, the infrared thickness gauge is connected with the PLC control device, the transfer steel roller, the transfer rubber roller and the coating steel roller are respectively driven by a servo motor, and the servo motor is connected with the PLC control device. The detection device can measure the thickness of a glue layer on the coating steel roller and transmit the thickness to the PLC control device, the PLC control device adjusts the rotating speed of the transfer steel roller according