Variable Depth Forming Die Box for Web Packaging
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Solution Overview
Problem
Existing web packaging machines require shutdown and manual intervention to change the forming die box and recess depth, leading to inefficiencies and lost packaging time due to the need for operator interaction and machine downtime.
Innovation Solution
A packaging machine with a forming die box that includes a movable insert and a variable depth mechanism, allowing for automated and user-friendly adjustment of recess depth without shutting down the machine, using a guide track assembly and latching mechanism for easy positioning and a controller to manage the depth change.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual intervention is used to change the forming die box and recess depth, then the machine can be operated with simple mechanisms, but the packaging time is lost and productivity decreases
Solution Approach 1:
The forming die box is made dynamically adjustable through an automated depth adjustment mechanism that allows the recess depth to be changed during operation without shutting down the machine. The mechanism includes a movable die box base that can be positioned at different depths using an actuator system controlled by a controller, enabling continuous operation while adapting to different packaging requirements
Solution Approach 2:
The system performs self-adjustment of the recess depth through automated control. The controller receives input signals and automatically actuates the depth adjustment mechanism, eliminating the need for manual operator intervention. The machine serves itself by automatically changing the forming die configuration based on control signals
2Adaptability or versatility
If the forming die box is made adjustable for different recess depths, then the adaptability improves, but the device complexity increases
Solution Approach 1:
The forming die box is segmented into adjustable components, specifically the die box base that can be independently positioned at different depths. This segmentation allows the recess depth to be modified without changing the entire forming die box structure, reducing the complexity increment while maintaining adaptability
Solution Approach 2:
The depth adjustment mechanism is designed to be universally applicable for different recess depth requirements. The same actuator and control system can accommodate various depth settings, making the mechanism multi-functional rather than requiring separate mechanisms for each depth adjustment scenario
3Productivity
If automated depth adjustment is implemented, then the operational efficiency improves, but the device complexity increases
Solution Approach 1:
The manual mechanical adjustment system is replaced with an automated actuator mechanism controlled by electrical or electronic signals. The controller receives input and automatically actuates the depth adjustment, substituting complex manual operations with a streamlined automated system that improves operational efficiency while keeping the added complexity manageable through electronic control
Data Source
AI summary
A packaging machine is for forming a product cavity in a web including a forming die box defining a recess into which the product cavity is formed. An insert is axially movable in the recess to thereby vary a depth of the recess. A variable depth mechanism selectively moves the insert to vary the depth of the recess. The packaging machine includes a latching mechanism that moves the forming die box into and between a first position in which the forming die box is spaced apart from the die box base and a second position in which the forming die box is supported by the die box base.