Cartoning Grouping Unit with Separate Insert for Pack Support
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Solution Overview
Problem
Existing cartoning machines for producing packages with smoking article packs face complexity and high cost due to intricate folding and wrapping processes, often requiring numerous components.
Innovation Solution
A grouping unit for a cartoning machine that uses a separate insert to support packs, combined with a simplified folding mechanism, allowing for easy and cost-effective production of packages with reduced components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the support element and overwrap are obtained from a single blank by folding, then the package structure is integrated, but the folding and wrapping process becomes complex requiring special units with high degree of complexity and considerable number of components
Solution Approach 1:
The patent divides the previously integrated blank into two separate components: a support element (tray) and an overwrap. This segmentation allows each component to be formed and applied independently, eliminating the need for complex integrated folding-wrapping units. The support element is formed first, then the overwrap is applied separately, simplifying the overall manufacturing process and reducing device complexity.
Solution Approach 2:
The support element is formed in advance as a separate component before the overwrap is applied. This preliminary formation of the support structure allows subsequent wrapping operations to be simpler and more straightforward, as the base structure is already in place. This sequential approach reduces the complexity of simultaneous folding and wrapping operations.
2Device complexity
If a separate insert is used to support packs, then the folding mechanism can be simplified, but additional components are required
Solution Approach 1:
The patent combines the support element and overwrap into a coordinated two-component system where the support element serves as a tray that holds packs and the overwrap provides external wrapping. This merging of functions into two dedicated components simplifies the folding mechanism compared to the integrated single-blank approach, as each component has a specific formation process optimized for its function.
3Adaptability or versatility
If existing cartoning machines are modified for insert production, then production flexibility is improved, but machine complexity increases
Solution Approach 1:
The patent designs the support element formation process to be compatible with existing cartoning machine architectures. The support element can be formed using modified versions of standard folding and forming mechanisms already present in cartoning machines, allowing the same machine to handle both support element formation and overwrap application without requiring completely separate specialized equipment for each function.
Data Source
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AI summary
A grouping unit (2) is described for a cartoning machine (1) for the production of a package (C) comprising, on the inside, a plurality of packs (P) for smoking articles arranged next to one another and along a number of rows and an insert (I) that supports the group of packs (P). The grouping unit (2) is provided with an insert feeding assembly (6) configured to feed, one after the other, the inserts (I) along a first conveying direction (D1); a pack feeding assembly (12) for feeding the packs (P) configured to feed groups of packs (P), wherein said packs (P) are grouped along a number of rows of packs (P) arranged next to one another and are fed in succession along a second conveying direction (D2); a blank feeding assembly (13) configured to feed the paper/cardboard flat blanks (B) along a third conveying direction (D3); a grouping assembly (10) configured to receive the group of packs (P), the blank (B) and the insert (I) and wherein the insert (I) is interposed between the group of packs (P) and the flat blank (B) and with the upper wall (SW) facing the group of packs (P) and with a lower wall (BW) facing a panel (B*) of the flat blank (B) defining a lower wall of the package (C); a wrapping assembly (15) configured to at least partially fold the flat blank (B) and wrap it around the assembly formed by the group of packs (P) and the insert (I) so as to obtain a semi-finished package (C); and a pushing element (14) which is movable along a fourth conveying direction (D4) and is configured to push the group of packs (P) until it intercepts the insert (I), which is arranged with the upper wall (SW) in contact with the group of packs (P) in the area of the grouping assembly (10), and to convey the assembly formed by the group of packs (P) and the insert (I) up to the area of the wrapping assembly (15).