High-precision dispensing mechanism

The utility model discloses a high-precision glue dispensing mechanism with visual positioning, glue dispensing positioning and precise glue dispensing amount control functions. The glue dispensing device comprises a three-axis gantry assembly and a glue dispensing vertical plate connected with the three-axis gantry assembly, a glue dispensing valve assembly is arranged at the front end of the glue dispensing vertical plate, and a height sensor and a glue dispensing camera module are arranged on the two sides of the glue dispensing vertical plate respectively. A glue weighing device and a laser needle aligning device located at one end of the glue weighing device are arranged below the three-axis gantry assembly, the dispensing camera module is used for shooting the position, to be dispensed, of a product, and the height sensor is used for detecting Z-axis coordinate information of the distance between the product and the dispensing valve assembly. The laser needle aligning device is used for aligning coordin