Emptying and heat sealing device of automatic packaging machine

The utility model belongs to the technical field of heat-seal packaging, and provides an emptying heat-seal device of an automatic packaging machine, which comprises a hot-press block, a connecting block and an extrusion plate which are correspondingly arranged on two sides, the connecting block is mounted on the upper side of the hot-press block, the extrusion plate is mounted on the lower side of the hot-press block, and the hot-press block is connected to the packaging machine through the connecting block; the packaging machine drives the two hot-pressing blocks to conduct mold closing, the two extrusion plates extrude the packaging bag to exhaust air, and the two hot-pressing blocks subjected to mold closing conduct heat sealing on the packaging bag. And the extrusion plate is arranged to exhaust air of the packaging bag and then heat-seal the packaging bag, so that the packaging bag can be prevented from bulging or exploding. In addition, adjusting grooves are further formed in the extrusion plates, and