An insulation strapping machine comprises a vertically reciprocable platen and horizontally reciprocable opposed pairs of compressors which are able to have their relative positions adjustably controlled such that the platen and compressors cooperate together so as to form or define a variably sized package cavity within which the variously different or different sized articles, packages, or materials to be strapped can be disposed for properly achieving a strapping or packaging operation. A vertically movable package stop is incorporated within the package cavity conveyor system so as to predeterminedly longitudinally center articles, packages, or materials of various different length dimensions within the package cavity, and each one of the package compressors can develop 10,000 pounds of compressive force so as to achieve a predetermined amount of compression with respect to certain insulation materials. Still further, the articles, packages, or materials may be strapped or packaged in accordance with different strapping modes, depending upon, for example, the particular packages, articles, or materials being strapped or packaged as well as the compression levels impressed upon such packages, articles, or materials, whereby failure of the packaged or strapped articles, packages, or materials is effectively prevented.
A package pacer is configured for use with an automatic strapping machine having a strap chute through which strap material is fed and from which strap material is tensioned onto a package. The strapping machine has an in-feed conveyor defining a plane and is configured to automatically move a package into a packaging region bounded by the chute. The pacer includes a frame that is mountable to the strapping machine. A plurality of rollers are mounted to the frame in a stationary plane about coplanar with the in-feed conveyor plane. The rollers extend forwardly of the strapping machine and permit conveyance of the package therealong and onto the in-feed conveyor. A pacing element is movable between a stop position in which the pacer element is out of the in-feed conveyor plane and interferes with movement of the package onto the in-feed conveyor and a feed position in which the pacing element resides about coplanar with the planar stationary rollers and the in-feed conveyor. A drive moves the pacing element between the stop position and the feed position.
