Screen forming machine and forming method thereof

The screen printing plate forming machine comprises a base, a fixing column is fixedly connected to the upper surface of the base, the fixing column is rotationally connected with a forming table in a penetrating mode through a bearing, four sets of fixed mold mechanisms are arranged at the position of the forming table, a frame is fixedly connected to the upper surface of the base, and a forming mechanism is arranged at the position of the frame; the forming mechanism comprises a main sliding sleeve, the main sliding sleeve is fixedly connected with the frame in a penetrating mode, the main sliding sleeve is connected with a main sliding column in a sealed and sliding mode, the main sliding column is fixedly connected with a lifting plate, the lower surface of the lifting plate is fixedly connected with a movable mold, and the side wall of the frame is fixedly connected with a compression air pump. The output end of the compression air pump is fixedly connected with a first pipe, the first pipe is fixedly co