Cap Application Alignment for Stable Collar Capping
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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, require improvements to enhance the precision and stability of cap application onto collars, especially considering variations in package shape due to the presence of pourable products.
Innovation Solution
A cap application device with a pressuring unit and alignment unit that applies a flattening force on package walls to align and secure caps onto collars, ensuring precise positioning and preventing bouncing effects, followed by a cap securing device for complete attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional cap application device is used without additional pressuring or alignment units, then the device complexity is low, but the manufacturing precision of cap application is insufficient due to package shape variations
Solution Approach 1:
The pressuring unit applies flattening force to the package walls before cap application to stabilize the package shape, while the alignment unit positions the caps correctly on the collars in advance. This preliminary stabilization and positioning ensures precise cap application despite variations in package shape caused by pourable products.
Solution Approach 2:
The pressuring unit and alignment unit act as intermediary components between the conventional cap application device and the packages. The pressuring unit mediates by stabilizing package walls, while the alignment unit mediates by ensuring proper cap positioning, both facilitating accurate cap application without requiring fundamental changes to the existing device.
2Reliability
If no pressuring force is applied to package walls, then the device complexity is low, but the stability of cap application is poor due to bouncing effects
Solution Approach 1:
The pressuring unit applies flattening force to the package walls before cap application to prevent bouncing effects during the capping process. This preliminary stabilization ensures that the package maintains its shape and position, resulting in stable and reliable cap application.
Solution Approach 2:
The pressuring unit applies counteracting flattening force to the package walls in advance to prevent the harmful bouncing effects that would otherwise occur during cap application. This preliminary anti-action counterbalances the destabilizing forces generated during the capping process.
3Measurement precision
If the package walls are not flattened and aligned, then the device complexity is low, but the positioning accuracy of caps on collars deteriorates
Solution Approach 1:
The alignment unit is configured to align the caps with the collars after the pressuring unit has flattened the package walls. This preliminary alignment ensures that caps are positioned accurately on the collars, compensating for any misalignment caused by package shape variations.
Solution Approach 2:
The device is segmented into distinct functional units: the pressuring unit for flattening package walls, the alignment unit for positioning caps, and the cap application mechanism. This segmentation allows each unit to perform its specific function optimally, with the alignment unit specifically dedicated to ensuring precise cap positioning.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures accurate and stable application of caps onto collars, maintaining package integrity and preventing misalignment or bouncing, thereby improving the overall efficiency and reliability of the packaging process.
Implementation Method 1
A cap application device with a pressuring unit and alignment unit that applies a flattening force on package walls to align and secure caps onto collars
Implementation Method 2
ensuring precise positioning and preventing bouncing effects
Data Source
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AI summary
There is described a cap application device (16) for a capping apparatus (15) for applying caps (10) onto collars (9) of packages (2) advancing along an advancement path (P); wherein the collars (9) extend from respective walls (7) of the respective packages (2). The cap application device (16) comprises a cap delivery unit (17) configured to deliver the caps (10) to a transfer station at which the caps (10) are engaged onto the respective collars (9), a pressuring unit (19) configured to apply a flattening force (F) on the respective walls (7) carrying the respective collars (9) for flattening the respective walls (7) and during advancement of the respective packages (2) along a portion of the advancement path (P); and an interaction unit (20) configured to press the caps (10) onto the respective collars (9) while, in use, the pressuring unit (19) exerts the flattening force (F) on the respective walls (7).