Device for inserting aperture in part-region of film wrapping of goods stack arranged on pallet, where film wrapping is configured as film hood drawn over goods stack or as film sleeve surrounding goods stack at least in part
A device for inserting an aperture in a film wrapping of a goods stack arranged on a pallet, where the film wrapping is a film hood drawn over the goods stack or as a film sleeve surrounding the goods stack is disclosed. A piercing element has a rotatably attached actuation arm. The piercing element exhibits first and second part-regions. The first part-region is mounted rotatably on the actuation arm and the second part-region includes the piercing region. The second part-region is pivotable relative to the first part-region from an original position against a restoring force. A corresponding system and a method for inserting an aperture in a part-region of a film wrapping of a goods stack arranged on a pallet is disclosed, where the film wrapping is configured as a film hood drawn over the goods stack or as a film sleeve surrounding the goods stack.
1 . A device for forming an aperture ( 11 ) into a part-region of a film wrapping of a goods stack ( 1 ) arranged on a pallet, where the film wrapping comprises a film hood ( 2 ) drawn over the goods stack ( 1 ) and a bottom film sheet arranged underneath the goods stack ( 1 ) or a film sleeve surrounding the goods stack ( 1 ) at least in part and the bottom film sheet arranged underneath the goods stack ( 1 ), the film wrapping is welded with the bottom film sheet situated underneath the goods stack ( 1 ), forming a weld seam horizontally encircling the goods stack ( 1 ), the device comprising:
a piercing element ( 7 ) with a piercing region ( 10 ), the piercing element ( 7 ) comprising a first part-region ( 15 ) and a second part-region ( 16 ); and
an actuation arm ( 9 ) to which the piercing element ( 7 ) is attached rotatably about a rotation axis ( 8 );
wherein the first part-region ( 15 ) is mounted rotatably on the actuation arm ( 9 ) and the second part-region ( 16 ) comprising the piercing region ( 10 ), the second part-region ( 16 ) is pivotably connected to the first part-region ( 15 ) by a spring joint;
wherein the piercing element is configured to be inserted between the goods stack and the film wrapping such that the first part-region is oriented along a vertical plane and the second part-region is configured to pivot about the spring joint from an original position in the vertical plane against a restoring force of the spring joint into an orientation assuming a contour of the film wrapping pulled away from the goods stack and form the aperture; and
wherein the aperture ( 11 ) is formed in one of the weld seam, a region of the bottom film sheet surrounding the goods stack ( 1 ), a collar shrinkage ( 4 ) defined by the film wrapping and encircling the goods stack ( 1 ) horizontally, and a collar stretch defined by the film wrapping and encircling the goods stack ( 1 ) horizontally.
2 . The device according to claim 1 , wherein the piercing element ( 7 ) is configured as a cutting blade.
3 . The device according to claim 1 , wherein an edge of a free end of the second part-region ( 16 ) is configured at least in part as beveled or rounded in a direction in which the second part-region ( 16 ) is pivotable against the restoring force.
4 . The device according to claim 1 , wherein an edge of a free end of the second part-region ( 16 ) and/or a surface of the second part-region ( 16 ) interacting with an inside of the film hood ( 2 ) has a friction-minimizing coating and/or friction-minimizing surface.
5 . The device according to claim 1 , wherein a free end of the second part-region ( 16 ) comprises in the piercing region ( 10 ) an overhang ( 23 ) projecting relative to an edge.
6 . The device according to claim 1 , wherein the piercing element ( 7 ) includes a cutting blade.
7 . The device according to claim 1 , wherein a cutting blade ( 24 ) is formed by two cutting blade part-regions ( 25 , 26 ) oriented obliquely to each other and forming between them a funnel-shaped insertion region.
8 . The device according to claim 1 , wherein the piercing element ( 7 ) is configured in the manner of a blade.
9 . The device according to claim 1 , wherein the second part-region ( 16 ) is pivotable from the original position relative to the first part-region ( 15 ) against the restoring force generated by a spring ( 20 ) of the spring joint.
10 . A device for forming an aperture ( 11 ) into a part-region of a film wrapping of a goods stack ( 1 ) arranged on a pallet, where the film wrapping comprises a film hood ( 2 ) drawn over the goods stack ( 1 ) and a bottom film sheet arranged underneath the goods stack ( 1 ) or a film sleeve surrounding the goods stack ( 1 ) at least in part and the bottom film sheet arranged underneath the goods stack ( 1 ), the film wrapping is welded with the bottom film sheet situated underneath the goods stack ( 1 ), forming a weld seam horizontally encircling the goods stack ( 1 ), the device comprising:
a piercing element ( 7 ) with a piercing region ( 10 ), the piercing element ( 7 ) comprising a first part-region ( 15 ) and a second part-region ( 16 ); and
an actuation arm ( 9 ) to which the piercing element ( 7 ) is attached rotatably about a rotation axis ( 8 );
wherein the first part-region ( 15 ) is mounted rotatably on the actuation arm ( 9 ) and the second part-region ( 16 ) comprising the piercing region ( 10 ), the second part-region ( 16 ) is pivotably connected to the first part-region ( 15 ) by a spring joint, wherein the second part-region is pivotable from an original position against a restoring force of the spring joint;
wherein the aperture ( 11 ) is formed in one of the weld seam, a region of the bottom film sheet surrounding the goods stack ( 1 ), a collar shrinkage ( 4 ) defined by the film wrapping and encircling the goods stack ( 1 ) horizontally, and a collar stretch defined by the film wrapping and encircling the goods stack ( 1 ) horizontally; and
wherein in the original position, the second part-region ( 16 ) is in alignment with the first part-region.
11 . A device for forming an aperture ( 11 ) into a part-region of a film wrapping of a goods stack ( 1 ) arranged on a pallet, where the film wrapping comprises a film hood ( 2 ) drawn over the goods stack ( 1 ) and a bottom film sheet arranged underneath the goods stack ( 1 ) or a film sleeve surrounding the goods stack ( 1 ) at least in part and the bottom film sheet arranged underneath the goods stack ( 1 ), the film wrapping is welded with the bottom film sheet situated underneath the goods stack ( 1 ), forming a weld seam horizontally encircling the goods stack ( 1 ), the device comprising:
a piercing element ( 7 ) with a piercing region ( 10 ), the piercing element ( 7 ) comprising a first part-region ( 15 ) and a second part-region ( 16 ); and
an actuation arm ( 9 ) to which the piercing element ( 7 ) is attached rotatably about a rotation axis ( 8 );
wherein the first part-region ( 15 ) is mounted rotatably on the actuation arm ( 9 ) and the second part-region ( 16 ) comprising the piercing region ( 10 ), the second part-region ( 16 ) is pivotably connected to the first part-region ( 15 ) by a spring joint, wherein the second part-region is pivotable from an original position against a restoring force of the spring joint;
wherein the aperture ( 11 ) is formed in one of the weld seam, a region of the bottom film sheet surrounding the goods stack ( 1 ), a collar shrinkage ( 4 ) defined by the film wrapping and encircling the goods stack ( 1 ) horizontally, and a collar stretch defined by the film wrapping and encircling the goods stack ( 1 ) horizontally; and
wherein the actuation arm is positioned adjacent to the rotation axis ( 8 ) about which the piercing element ( 7 ) is mounted rotatably, and wherein at least one cutting blade ( 24 ) extending parallel to the rotation axis ( 8 ) and oriented orthogonally to the actuation arm is arranged in such a way at the actuation arm ( 9 ) that the at least one cutting blade ( 24 ) is arranged after piercing on a side facing downward of the actuation arm ( 9 ).
12 . The device according to claim 11 , wherein the at least one cutting blade ( 24 ) is formed by two cutting blade part-regions ( 25 , 26 ) oriented obliquely to each other and forming between them a funnel-shaped insertion region.
13 . A system comprising a film wrapping and a goods stack ( 1 ) arranged on a pallet with the film wrapping, where the film wrapping comprises a film hood ( 2 ) drawn over the goods stack ( 1 ) and a bottom film sheet arranged underneath the goods stack ( 1 ) or a film sleeve surrounding the goods stack ( 1 ) at least in part and the bottom film sheet arranged underneath the goods stack ( 1 ),
a) where the film wrapping is welded with bottom film sheet situated underneath the goods stack ( 1 ), forming a weld seam encircling the goods stack ( 1 ) horizontally, an aperture ( 11 ) is formed in the weld seam or in a region of the bottom film sheet surrounding the goods stack, or
b) where the film wrapping comprises a collar shrinkage ( 4 ) encircling the goods stack ( 1 ) horizontally, and the aperture ( 11 ) is formed in the collar shrinkage ( 4 ) or
c) where the film wrapping comprises a collar stretch encircling the goods stack ( 1 ) horizontally, and the aperture ( 11 ) is formed in the collar stretch, and
a device which comprises a piercing element ( 7 ) with a piercing region ( 10 ) and at least one actuation arm ( 9 ) to which the piercing element ( 7 ) is attached rotatably about a rotation axis ( 8 ), wherein the aperture ( 11 ) is formed in one of the weld seam, the region of the bottom film sheet surrounding the goods stack ( 1 ), the collar shrinkage ( 4 ), and the collar stretch,
wherein the piercing element comprises a first part-region and a second part-region;
wherein the first part-region is mounted rotatably on the at least one actuation arm and the second part-region comprises the piercing region, the second part-region is pivotably connected to the first part-region by a spring joint;
wherein the piercing element is configured to be inserted between the goods stack and the film wrapping such that the first part-region is oriented along a vertical plane and the second part-region is configured to pivot about the spring joint from an original position in the vertical plane against a restoring force of the spring joint into an orientation assuming a contour of the film wrapping pulled away from the goods stack and form the aperture.