Device and method for automatically mounting minitype LED light emitter positioning tube in air suction mode

The invention belongs to the technical field of automatic mounting and positioning of LED light emitter positioning tubes and discloses a device for automatically mounting a minitype LED light emitterpositioning tube in an air suction mode. The device comprises a quick-change connection plate, a flange connection plate, a pressing block, a supporting platform, a cylinder, a positioning tube containing casing pipe, a vacuum generator and a push pin, wherein the supporting platform is installed on the upper portion of the quick-change connection plate, a vacuumizing pipe of the vacuum generatorcommunicates with the positioning tube containing casing pipe, and the push pin is installed on a piston rod of the cylinder and extends into the positioning tube containing casing pipe so as to pushout the LED light emitter positioning tube in the positioning tube containing casing pipe after the vacuum generator stops vacuumizing. By means of the device, the assembly precision of the LED lightemitter positioning tube ca