Vacuum packaging machine for food processing

The utility model belongs to the technical field of food packaging, and particularly relates to a vacuum packaging machine for food processing, which comprises a vacuum packaging machine body. A cover body is hinged to the top of the vacuum packaging machine body; the side wall of the cover body is fixedly connected with a first heating belt through a pair of fixing rods. A tray is fixedly connected between the opposite side walls of the vacuum packaging machine body. The top of the tray is fixedly connected with a second heating belt; a set of first sliding grooves are formed in the inner side wall of the vacuum packaging machine body. And the interiors of the first sliding grooves are slidably connected with extrusion blocks through circular sliding blocks correspondingly. A pair of second sliding grooves is formed in the inner side wall of the vacuum packaging machine body. And a power assembly is arranged in the second sliding groove, so that the problems that when food is subjected to vacuum packaging, a