Screen printing machine for producing membrane switch panel

The utility model discloses a screen printing machine for producing a membrane switch panel, which comprises a machine body, a mounting frame arranged on the machine body, an air cylinder arranged at the lower end of the mounting frame, a guide plate connected with the lower end of the air cylinder, a limiting groove arranged on the guide plate, a connecting plate arranged on the limiting groove and the guide plate in a sliding manner, and a pressing block arranged at the lower end of the connecting plate in a sliding manner, a first motor and a second motor are symmetrically mounted on the guide plate, a rotating shaft of the first motor is connected with a first driving rod, the first driving rod is in threaded connection with a connecting plate, a rotating shaft of the second motor is connected with a second driving rod, and the second driving rod is in threaded connection with a printing mechanism. During use, the first motor drives the first driving rod to rotate to adjust the distance between the pressi