Self-adhesive coiled material lap joint device

The invention relates to the technical field of waterproof coiled materials, in particular to a self-adhesion coiled material lap joint device, a material storage assembly is installed on the upper portion of a lap joint vehicle, an odor removal assembly is installed at the position, corresponding to the material storage assembly, of the upper portion of the lap joint vehicle, and the material storage assembly comprises a material storage tank installed on the upper portion of the lap joint vehicle; the bottom discharging position of the material storage tank communicates with a discharging pipe, the discharging pipe is arranged in the middle of the bottom of the lap joint vehicle, a discharging mechanism is arranged in the discharging pipe, a stirring mechanism is arranged in the material storage tank, and the odor removal assembly comprises a filtering box installed at the position, close to the material storage tank, of the upper portion of the lap joint vehicle. The air inlet end of the filter box is conn