Spraying metering device

The utility model provides a spraying metering device which comprises an upper lip plate, a lower lip plate, a lower cavity, an upper cavity, a support, a compression screw, a bracket, an air cylinder seat, an air cylinder, and a baffle, wherein the air cylinder is connected with the support through the bracket and the air cylinder seat. The spraying metering device is characterized in that the upper cavity and the lower cavity are connected through the compression screw to form a coating cavity; the upper cavity is movably connected with the upper lip plate; the lower lip plate is connected onto the lower cavity; the elastic baffle is arranged between the upper lip plate and the upper cavity. According to the utility model, a spraying gap of the device can be adjusted at a position which can be reached conveniently, so that the overall device can be cleaned completely; the structure is simple, the production cycle is short, and the mounting is convenient and fast.