Cardboard Reinforcement Positioning Unit for Box Production
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Solution Overview
Problem
Current packaging plants face inefficiencies in positioning and constraining reinforcement elements within boxes, leading to increased production time and costs, as well as inadequate protection for packaged products, especially for irregularly shaped items.
Innovation Solution
A working unit that positions and constrains reinforcement elements on a cardboard sheet before folding, using loading and gripping means to place flat elements in a coordinated pattern, ensuring they align on multiple Cartesian planes for comprehensive protection, and optionally employs adhesive or mechanical constraint methods for secure positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If reinforcement elements are positioned and constrained at the end of forming steps, then the box structure is completed, but production time increases and quality may be compromised
Solution Approach 1:
The patent applies preliminary action by positioning reinforcement elements on the flat sheet before folding operations. The sheet is equipped with positioning means (such as protrusions or indentations) that allow reinforcement elements to be pre-placed in correct positions relative to fold lines and edges. This eliminates the need for post-forming positioning operations, reducing production time while maintaining positioning accuracy and quality.
2Manufacturing precision
If complex positioning operations are performed manually, then reinforcement elements can be positioned, but inaccuracies and differences in positioning occur between boxes
Solution Approach 1:
The patent implements self-service through self-positioning mechanisms built into the sheet structure. Positioning means such as protrusions on the sheet that fit into corresponding recesses on reinforcement elements, or indentations that guide placement, enable the sheet to automatically position reinforcement elements accurately without manual intervention. This ensures consistent positioning accuracy across all boxes while simplifying the operating process.
3Ease of manufacture
If separate operating lines are provided for preparation of reinforcements, then specific working can be performed, but operating time and costs increase
Solution Approach 1:
The patent merges the reinforcement element preparation and positioning operations into a single integrated operating line. The sheet feeding mechanism, reinforcement element positioning means, and folding operations are combined in one continuous process. This eliminates the need for separate preparation lines, reducing operating time and costs while maintaining the capability to perform specific working operations on reinforcements.
4Shape
If pre-formed corner elements are used, then box structure is defined, but handling and positioning becomes complex and time-consuming
Solution Approach 1:
The patent segments the reinforcement elements into simple, standardized components (such as individual corner pieces or edge elements) that can be independently positioned on the sheet. Rather than handling complex pre-formed three-dimensional corner elements, the system uses simplified flat or lightly-formed segments that are easier to manipulate and position automatically, reducing positioning complexity while still achieving the desired box conformation when folded.
Data Source
AI summary
An apparatus and method to work relatively rigid material such as cardboard in sheets, to make boxes. The apparatus includes a loader suitable to have, according to a desired order, substantially flat reinforcement elements, and gripping means movable between a first gripping position in which they cooperate with the loader to pick up the reinforcement elements, and a second positioning condition, in which they position the reinforcement elements on the sheet according to a predetermined positioning pattern.