Automatic wine jar tying device

The invention discloses an automatic wine jar tying device. The device comprises a horizontal support, wherein a cover pressing mechanism and a string winding mechanism are arranged on the horizontalsupport, the cover pressing mechanism comprises a cover pressing cylinder, a sleeve and a cover, the sleeve is arranged on the horizontal support, the cover pressing cylinder is arranged at the upperportion of the sleeve, the cover pressing cylinder is used for driving the cover to move up and down, the string winding mechanism comprises a motor, a first gear, a second gear and a string pulling arm, an output shaft of the motor is connected with the first gear, the second gear is rotatably arranged outside the sleeve, the first gear meshes with the second gear, one end of the string pulling arm is fixedly connected with the second gear, and a string guide hole is formed in the bottom end of the string pulling arm. According to the device, through mutual cooperation of the cover pressing mechanism and the string wi