Detachable Seaming Shaft Locking for Faster Tool Changes
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Solution Overview
Problem
Changing seaming means in conventional can sealers is time-consuming and complicated, leading to significant standstill times during tool changes.
Innovation Solution
A seaming shaft device with a detachable seaming means and a fastening mechanism that includes a locking element and a fastening element, allowing for relative movement along the seaming axis to transition from a locking to an unlocking state, enabling easy detachment and replacement of the seaming means.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the seaming means is made detachable to enable tool changes, then the adaptability is improved, but the device complexity increases due to the fastening mechanism
Solution Approach 1:
The seaming device is divided into a detachable seaming means and a seaming shaft, allowing the seaming means to be exchanged while keeping the main structure intact. This segmentation enables adaptability without requiring complete device replacement.
Solution Approach 2:
The fastening mechanism incorporates movable locking elements that can transition between locked and unlocked states, enabling dynamic attachment and detachment of the seaming means. This dynamic capability facilitates quick tool changes while maintaining secure connection during operation.
2Reliability
If a fastening mechanism with locking element is used to secure the seaming means, then the reliability is improved, but the ease of operation deteriorates due to the complexity of locking and unlocking
Solution Approach 1:
The locking element is designed to automatically engage with the seaming means when attached to the seaming shaft, providing self-locking functionality. This reduces the operational steps required while maintaining secure fastening, improving both reliability and ease of operation.
Solution Approach 2:
A fastening element acts as an intermediary component between the locking element and the seaming means, facilitating the locking and unlocking process. This intermediary mechanism simplifies the interaction required by the operator while ensuring reliable connection.
3Adaptability or versatility
If the seaming means is frequently exchanged to handle different container shapes, then the adaptability is improved, but the loss of time increases due to tool change standstill times
Solution Approach 1:
The fastening mechanism is pre-configured with locking elements and fastening elements positioned to enable quick engagement and disengagement. This preliminary arrangement of components allows for rapid tool changes without requiring complex adjustment steps, reducing time loss during seaming means exchange.
Data Source
AI summary
A seaming shaft device for a sealer includes a seaming shaft, a seaming device detachable from the seaming shaft, and a fastening mechanism for fastening the seaming device to the seaming shaft. The fastening mechanism includes a lock and a fastener which can be arranged between the lock and the seaming device. The lock and the seaming device can be moved relative to each other along the seaming axis so that the seaming device can be brought from a locked state to an unlocked state, and the fastener in the locked stat is clamped between the seaming device and the lock such that the seaming device is fixed to the seaming shaft. The fastener can be unclamped by bringing the seaming device from the locked state to the unlocked state so that the seaming device is detachable from the seaming shaft.