Plastic inner film bag heat fusion device

The utility model discloses a plastic inner film bag heat fusion device which comprises a machine table, a machine frame arranged on the machine table, a heat fusion mechanism installed on the machine frame and a conveying belt arranged above the machine table. The hot melting mechanism comprises a mounting frame connected with the rack, a guide rail arranged on the mounting frame, an upper roller mounted on the guide rail and a lower roller mounted on the machine table; a block-up support is arranged on the machine table, and the conveying belt is arranged on the block-up support; the upper rolling wheel is matched with the lower rolling wheel, heating resistance wires are arranged in the upper rolling wheel and the lower rolling wheel, the heating resistance wires are arranged in the upper rolling wheel and the lower rolling wheel, and a plastic inner film bag is subjected to heat fusion in a heat conduction mode. The contact area can be increased through the arrangement of the hot melting lines, the hot me