Web Packaging Tooling Change via Lateral Die Extraction
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Solution Overview
Problem
Existing web packaging systems face challenges in simplified and ergonomic tooling change, which is often cumbersome and inefficient, leading to potential damage to equipment and increased downtime due to awkward lifting angles, elevated lift heights, and material waste during tooling replacement.
Innovation Solution
The system allows for tooling change by moving the forming tooling die box along a lateral side-extraction direction orthogonal to its typical vertical movement, using a guide track assembly to support the die box during lateral movement to a third position, enabling tooling change without removing the cover or cutting the web, thus simplifying access and reducing the risk of damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the die box is removed vertically from the base plate for tooling change, then the tooling can be changed, but this causes awkward lifting angles, elevated lift heights, and potential damage to equipment
Solution Approach 1:
The patent changes the tooling change direction from vertical to lateral. The die box is extracted laterally from the base plate through a guide track assembly, moving perpendicular to the forming direction. This dimensional change eliminates the need for vertical lifting, reducing lift height from an elevated position to near-ground level, and eliminates awkward lifting angles that caused equipment damage in the prior art.
2Ease of operation
If the cover is removed for tooling change, then access to the die box is improved, but this increases downtime and complicates the tooling change process
Solution Approach 1:
The patent extracts the die box from the base plate through lateral movement along a guide track, allowing tooling change to occur with the cover in place. This extraction method provides direct access to the die box for removal and replacement without requiring cover removal, thereby eliminating the additional time and complexity associated with cover installation and removal in the prior art.
3Ease of operation
If the web is cut during tooling change, then the die box can be accessed, but this causes material waste and increased downtime
Solution Approach 1:
The patent introduces a guide track assembly as an intermediary mechanism that enables lateral extraction of the die box from the base plate. This intermediary structure provides a controlled path for tooling change that does not require web cutting, allowing the web to remain continuous and intact during the tooling change process, thereby eliminating material waste associated with cutting and repositioning the web.
4Adaptability or versatility
If the die box is lifted to an elevated position for removal, then the tooling can be changed, but this increases the risk of equipment damage and reduces operational safety
Solution Approach 1:
The patent changes the tooling change direction from vertical to lateral, eliminating the need for elevated lifting positions. The guide track assembly enables the die box to be extracted horizontally at a consistent, low elevation throughout the removal process, maintaining equipment integrity by avoiding the stress and risk associated with lifting heavy tooling to elevated positions and then lowering it for installation.
Data Source
AI summary
A web packaging system provides easy access and changing of tooling, to change a product receiving cavity pocket in a lower web.