초록 ▼

A form-fill-seal machine in which any of a selection of change parts assemblies can be slid into and out of mounting slots and secured in proper alignment by a hand operated toggle lock mechanism. A pair of stops are provide on the forming shoulder of the change part that correspond to the diameter

A form-fill-seal machine in which any of a selection of change parts assemblies can be slid into and out of mounting slots and secured in proper alignment by a hand operated toggle lock mechanism. A pair of stops are provide on the forming shoulder of the change part that correspond to the diameter of the forming tube. An articulated floating vacuum pull belt arrangement, having stops that engage the stops on the forming shoulder, automatically aligns itself with the change parts assembly. The film cage is adjustable for film tracking and can be tilted to a position that permits the film roll to be loaded without the need of a power hoist. The film tracking and film cage tilting are on a common axis, which simplifies the design and reduces the parts. The tiltable film cage has the added advantage of improving the access to the inside area of the machine when the film cage is tilted to the load position. This feature of the invention also reduces the overall size of the machine.

대표청구항 ▼

[ What is claimed is:] [1.] A machine for forming, filling and sealing packages of different sizes and shapes comprising:a machine frame that is adapted to support a change part in a predetermined fixed position thereon;a change part that can be supported on said machine frame at a lock position;a l

[ What is claimed is:] [1.] A machine for forming, filling and sealing packages of different sizes and shapes comprising:a machine frame that is adapted to support a change part in a predetermined fixed position thereon;a change part that can be supported on said machine frame at a lock position;a lock mechanism for locking said change part at said lock position on said machine frame;a pair of drive belt assemblies mounted on said machine frame such that they are biased into engagement with said change part and their position relative to said change part is established by this engagement;a film cage mounted on said machine frame about a horizontal axis, said film cage being pivotable about said horizontal axis between an inclined operating position, at which its upper portion is located toward the central region of the machine and its bottom portion extends rearward of the back of the machine, and a vertical loading position, said film cage also being movable horizontally along said horizontal pivot axis for the purpose of film tracking;pivoting of the film cage about the horizontal axis and movement of the film cage horizontally along said horizontal axis being independent of and unaffected by each other.