Cap-Collar Alignment With Deformation Correction in Packaging
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Solution Overview
Problem
Existing cap application devices and capping apparatuses in packaging machines for pourable products, particularly those using multilayer packaging materials, face challenges in ensuring precise alignment and secure attachment of caps to collars, leading to high discard rates due to deformation issues.
Innovation Solution
The cap application device incorporates an alignment unit with guides and a deformation correction surface to ensure accurate alignment and shape correction of collars, followed by a cap securing mechanism to securely attach caps, utilizing a cap delivery unit and alignment unit with guides to center and correct deformations, ensuring proper cap alignment and attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional cap application device is used, then the capping process can be performed, but the alignment precision and shape accuracy of collars deteriorate, leading to high discard rates
Solution Approach 1:
The alignment unit with guides and deformation correction surface performs preliminary alignment and shape correction of collars before cap application. This preliminary action ensures that collars are properly positioned and deformed into the correct shape prior to cap attachment, preventing misalignment and deformation issues during the capping process.
Solution Approach 2:
The alignment unit acts as an intermediary between the collar and the cap application mechanism. It provides guides that center the collar and a deformation correction surface that shapes the collar, serving as a mediating structure that ensures proper collar preparation before the cap is applied, thereby improving both alignment precision and shape stability.
2Measurement precision
If conventional cap application methods are used, then the capping process can proceed, but alignment accuracy between cap and collar deteriorates, increasing discard rates
Solution Approach 1:
The invention replaces conventional mechanical cap application methods with a system that incorporates an alignment unit featuring guides and a deformation correction surface. This substitution introduces precise mechanical guidance and shape control mechanisms that significantly improve cap-collar alignment accuracy while maintaining packaging throughput.
Solution Approach 2:
The deformation correction surface modifies the physical parameters of the collar by correcting its shape and positioning it accurately. This parameter change in collar geometry and position enables precise cap alignment, reducing misalignment errors and improving overall packaging efficiency without sacrificing productivity.
3Productivity
If caps are applied without preliminary alignment, then the process speed can be maintained, but the attachment security and shape maintenance of collars deteriorate
Solution Approach 1:
The alignment unit performs preliminary centering and shape correction of collars through guides and a deformation correction surface before cap application. This preliminary action ensures that collars are properly prepared, enabling secure cap attachment while maintaining high capping speed through automated, rapid alignment processes.
Solution Approach 2:
The alignment unit serves as an intermediary that quickly centers and shapes collars before cap application. This mediating structure enables rapid alignment without becoming a bottleneck, ensuring secure cap attachment while preserving high capping productivity through efficient preliminary preparation.
Data Source
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AI summary
There is described a cap application device (16) for a capping apparatus (15) for applying caps (7) onto respective collars (6) of packages (2) advancing along an advancement path (P). The cap application device (16) comprises a cap delivery unit (17) configured to deliver the caps (7) to a transfer station (18) at which the caps (7) are applied onto respective collars (6) and an alignment unit (19) configured to align the collars (6) of the packages (2) with respect to the caps (7) at the transfer station (18). The alignment unit (19) comprises a first guide (20) and a second guide (21) spaced apart from one another, configured to engage the collars (6) from opposite sides thereof and to align the collars (6) with respect to the caps (7) and at least one deformation correction surface (22) configured to interact with the collars (6) and to correct deformations of the collars (6).