Vacuum enabled article transfer
Moving an article after a material, such as a hot-melt adhesive, has been applied to a surface of the article is accomplished with an article transfer apparatus. The apparatus is comprised of a belt having a plurality of apertures extending there through that are effective to communicate a vacuum pressure from an inner surface of the belt to a contacting surface of the belt. The vacuum pressure secures and adheres the article to the contacting surface of the belt as the belt conveys the article. The vacuum pressure is distributed along the inner surface of the belt by a vacuum chamber, which is between a compression roller and a second roller.
1. A vacuum enabled article transfer apparatus, the apparatus comprising:
a conveyance belt having a plurality of apertures extending through a contacting surface to an opposite inner surface of the conveyance belt;
a compression roller;
a second roller, wherein the conveyance belt forms a continuous loop around the compression roller and the second roller such that the belt inner surface is in contact with the compression roller and the second roller;
a vacuum distribution chamber, the chamber positioned between the compression roller and the second roller within the loop of the conveyance belt, wherein the chamber is comprised of an engagement surface proximate the belt inner surface and effective for directing a vacuum pressure through the belt at the plurality of apertures; and
an adhesive applicator, the applicator comprising an applicator roller and an adhesive containing vessel, the applicator roller rotatably positioned at least partially within the adhesive containing vessel, wherein the adhesive applicator further comprises a plurality of transfer filaments, the transfer filaments extending between the applicator roller and the belt.
2. The vacuum enabled article transfer apparatus of claim 1 , wherein the compression roller has a diameter that is greater than a height of the chamber within the loop formed by the belt.
3. The vacuum enabled article transfer apparatus of claim 1 further comprising a vacuum generator fluidly coupled with the chamber.
4. The vacuum enabled article transfer apparatus of claim 1 , wherein the engagement surface of the chamber extends between at least a portion of the compression roller and the belt.
5. The vacuum enabled article transfer apparatus of claim 1 , wherein the applicator roller has a diameter greater than a diameter of the compression roller.
6. The vacuum enabled article transfer apparatus of claim 1 , wherein an axis of rotation of the compression roller and axis of rotation of the applicator roller are substantially aligned in a plane perpendicular to a plane through which the belt extends between the compression roller and the second roller.
7. The vacuum enabled article transfer apparatus of claim 1 , wherein the transfer filaments are thermally coupled with an energy source such that the transfer filaments are maintained above a threshold temperature.
8. The vacuum enabled article transfer apparatus of claim 7 , wherein the threshold temperature is a temperature within a range of 75 to 240 degrees Celsius.
9. The vacuum enabled article transfer apparatus of claim 1 , wherein the transfer filaments extend, at least partially, in a plane substantially parallel with a plane in which the belt extends between the compression roller and the second roller.
10. The vacuum enabled article transfer apparatus of claim 1 , wherein the vacuum distribution chamber has a first side that extends from the engagement surface at an acute angle to an upper surface.
11. The vacuum enabled article transfer apparatus of claim 10 , wherein at least a portion of the first side extends along the compression roller and between the compression roller and the belt.