Patent ID: 9327854
Filing Date: 2016-05-03
CPC Classification: B65B

Claim Text:
1. A vacuum sealing machine comprising: a sealing unit including a first connecting rod, a first driving device coupled to the first connecting rod, and a first press member coupled to the first connecting rod, the first connecting rod being formed in a C shape having two first pivot locations respectively defined on two rear ends of two sides thereof, the first press member having a first adhering face defined on a lower end thereof, the first driving device providing power to drive the first press member downward; a pressing unit including a second connecting rod, a second driving device coupled to the second connecting rod, a second press member coupled to the second connecting rod, the second connecting rod being formed in a C shape and having two second pivot locations respectively disposed on rear sections of two sides thereof and corresponding to the two first pivot locations of the sealing unit, the first connecting rod and the second connecting rod being pivotably connected together via the first and second pivot locations, the second connecting rod also having at least a support tab protruding from the second connecting rod and configured to engage and support the first connecting rod of the sealing unit, the pressing unit driving the sealing unit to return to an original position by lifting up the first connecting rod with the support tab, and the second press member having a second adhering face defined on a lower end thereof, the second driving device providing power to drive the second press member downward; an air exhausting unit including a transmission device and a drawing device, the transmission device driving the drawing device to move forward and backward; and a body having a holder in which a receiving room is formed so as to receive the sealing unit, the pressing unit, and the air exhausting unit, the receiving room having a seat formed on a front side thereof, the seat having a barrier strip disposed thereon and a heating strip fixed on an inner side thereof parallel to the barrier strip; wherein the transmission device drives the drawing device forward to move into a position to engage a closure bag, the second press member of the pressing unit moves downward to press the closure bag with the barrier strip, the drawing device draws air from the closure bag, and after drawing the air in the closure bag, the first press member of the sealing unit moves downward to seal and adhere the closure bag in a vacuum state with the heating strip, and the pressing unit returns back to the original position and drives the sealing unit via the support tab to return the original position.