Adhesive tape placing device for box sealing machine

The invention relates to an adhesive tape placing device for a box sealing machine, and belongs to the technical field of mechanical equipment. The adhesive tape placing device for the box sealing machine comprises a adhesive tape roll fixing plate, an adhesive tape roll fixing wheel, an adhesive tape stripping wheel, an adhesive tape stripping wheel fixing arm, a cylinder, a one-way rolling wheeland a spring fixing column. A push rod guide hole is arranged on the adhesive tape roll fixing plate of the adhesive tape placing device of the box sealing machine, a push rod is fixed at the top endof a mandril of the cylinder, the push rod passes through a guide hole of the push rod, the cylinder is in an air discharging state during a normal box sealing process, and the spring drives the adhesive tape stripping wheel to attach to the adhesive tape roll; when a new adhesive tape roll needs to be replaced, the cylinder is inflated, the cylinder can drive the adhesive tape stripping wheel fixing arm to rotate around