Glue barrel fixing device, gluing pump and gluing system

The utility model belongs to the technical field of gluing equipment, and particularly relates to a glue barrel fixing device, a gluing pump and a gluing system. The glue barrel fixing device comprises a fixing body; a fixing frame is arranged at one end of the base; one end of the air cylinder is fixedly arranged on the fixing frame, the air cylinder is provided with a piston rod, and the air cylinder is arranged in the horizontal direction; the fixing block is connected with one end of the piston rod, and the axis of the fixing block is arranged in the axis direction of the piston rod and arranged in the opposite direction of the fixing body. The moving direction of the fixing block is controlled through the piston rod of the air cylinder, so that the fixing block is in contact with or separated from the glue barrel, the glue barrel is fixed through the matching of the fixing block and the fixing body, the glue pressing disc is prevented from driving the glue barrel to ascend along with the glue pressing di