In a Straight feeding Shrink Wrap Machine The products which are planning to shrinkwrap will travel in a single line , inline to sealing unit and the products will collate on collation plate and ....
In a Straight feeding Shrink Wrap Machine The products which are planning to shrinkwrap will travel in a single line , inline to sealing unit and the products will collate on collation plate and pneumatic pusher which pushes the products onto sealing units (web sealer) but such option is possible only for the single column and with multiple row option i.e 1x1,1x2, 1x3,..1xn
If you have multiple columns and rows then need an vertical pusher i.e for the matrixes 4x4, 3x4, 5x4 …nxn. Accordingly the machine size and pusher size infect all change parts will very and the packing time also
In a single column and multiple row options a pneumatic pusher collates the boxes / containers into the pre-selected pack formation plate, which upon completion is transferred forwarded into the welding position.
In and multiple row and column option there will two or multiple pusher to collate and form the matrix
Once the required matrix gets formed by respective pushers as per set product size the pusher advances to push the formed matrix to sealing unit , once the matrix reaches the forming unit or forming plate the sensor gives the signal to welding bar accordingly it descents to complete the wrap, and the pusher returns to prepare the next collation of product.
As the welding bar ascends, the pusher advances to transfer the new collation into the welding position, at the same time displacing the previously wrapped collation onto continuously moving shrink tunnel conveyor.
The wrapped collation soon enters the shrink tunnel chamber where re-circulated hot air causes the wrap to shrink and tightly conform to the contours of the contents.
Once the pack is out of the hot chamber, forced air cooling is used to tighten sleeve wrap to achieve a strong, secure pack ready for stacking on pallet or a placing on a shipping carton.
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