The invention discloses an automatic screwing and installing device for rear covers of electronic watches, and relates to the technical field of installation of watches. The automatic screwing and installing device comprises a supporting frame, a
fixed frame is fixed to the supporting frame, clamping bases for clamping the watches are uniformly distributed and fixed to a supporting turntable in the circumferential direction, a lead screw is in drive connection with the interior of the supporting frame through a forward and reverse rotation mechanism, a threaded casing
pipe sleeves the lead screw through threads, and a screwing mechanism for screwing the rear covers of the watches is fixed to the threaded casing
pipe. By means of the automatic screwing and installing device, the rear coversof the watches on the supporting turntable can be screwed and installed, the working efficiency of installing the watches is effectively improved, and the supporting turntable can conduct stepping-type rotation; through an electric suction cup which reciprocates up and down, the installing operation on the rear covers is high in
automation degree, and the time and labor are saved in the process of installing the watches; through the arrangement of the screwing mechanism, the operation of screwing the rear covers of the watches is very stable, and in the screwing process, an axial fan rotatesto achieve air flow in a transmission
pipe, and has a great heat dissipation effect on a
servo motor.