Casing vacuum cover machine that contracts

The utility model discloses a casing vacuum cover machine that contracts, the casing of its the vacuum box export assembly cover ware that contracts, and the side of vacuum box sets up transfer system, cover contract the ware and are provided with the labyrinth seal circle, make gaseously to form tortuous circuitous formula flow in the cover contracts the ware to prevent and gaseously to contractthe ware by the cover and get into the vacuum chamber inner space, reach the purpose that keeps the ultrahigh vacuum degree. 本实用新型公开了种肠衣真空套缩机，其真空箱体的肠衣出口装配套缩器，而真空箱体的侧面设置传送系统，套缩器设置有迷宫式密封圈，使气体在套缩器内形成曲折迂回式流动，从而阻止气体由套缩器进入真空箱内部空间，达到保持超高真空度的目的。