Screening device with adjustable screen holes for tea processing

The utility model belongs to the technical field of tea processing, and particularly relates to a tea processing screening device with adjustable screen holes, which comprises a base, the bottom of the base is fixedly connected with two symmetrically distributed support plates, each support plate is provided with a motor, an output shaft of each motor is rotatably connected with the corresponding support plate, and the output shaft of each motor is rotatably connected with the corresponding support plate. And a connecting sleeve is mounted on the output shaft through a bolt. A fixed first sieve plate and a movable second sieve plate are arranged in a shell, then an adjusting pin with a circle of positioning holes is arranged on the second sieve plate, a sliding sleeve is arranged on the first sieve plate, a positioning pin capable of stretching out and drawing back through a second spring is arranged in the sliding sleeve, and the positioning pin is matched with the positioning holes in different positions, s