Ground marking line coating device capable of achieving uniform blanking

The utility model belongs to the field of road construction equipment and relates to a uniform-blanking ground marking line coating device which comprises a rack and a marking roller and further comprises a storage hopper, the storage hopper is provided with a material leaking opening, and a material blocking assembly is arranged on the position, corresponding to the material leaking opening, of the storage hopper. The material leaking hopper is located above the marking roller, the material leaking hopper is provided with a feeding port and a discharging port, the feeding port of the material leaking hopper is communicated with the material leaking port of the material storage hopper, the discharging port is a rectangular port, and the length of the discharging port is equal to the axial length of the marking roller; the switch assembly is arranged at the position, corresponding to the feeding port, of the hopper. The material uniformizing plate assembly is arranged on the material leaking hopper; according