Box changing bag receiving mechanism of automatic vacuum shaping packaging device

The utility model relates to a box exchanging and receiving bag element of an automatic vacuum forming package device, which is characterized in that: box exchanging and receiving bag element is composed of a frame. Two mutually paralleled integrative cylinders a and b are arranged horizontally at the front of the frame; a piston rod of the cylinder a faces one side of the frame and is connected with the frame, a piston rod of the cylinder b faces the other side of the frame and is connected with a movable bag receiving box. The work cylinder connection body and the slide bag receiving box body are sleeved on the horizontal rod of the frame respectively. And two or more bag receiving cavities are arranged at the bag receiving box body horizontally; the bottom side of the bag receiving is provided with a bottom plate.