Box Laminating Machine with Movable Covering Devices
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Solution Overview
Problem
Existing box covering systems suffer from poor accessibility and cleaning of components, limited capacity due to sequential processing by pairs of covering devices, and require precise manufacturing of form punches to ensure quality, leading to quality losses and format deviations.
Innovation Solution
A box laminating machine with side rolling-down devices that include a rubbing-down element and a counter-holder, allowing for simultaneous rolling and support of the sheet blank on the box walls during continuous transport, enhancing throughput and accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If four covering devices are arranged opposite of one another in pairs with stationary first pair and moving second pair, then the construction remains compact, but the capacity of the system remains limited because only one pair can process the box at all times
Solution Approach 1:
The patent applies the dynamics principle by making both the first and second pairs of covering devices movable along the transport path. Instead of having one stationary pair and one moving pair, both pairs can now move independently to process boxes simultaneously at different positions along the transport path, thereby increasing system capacity while maintaining a compact arrangement.
2Reliability
If the form punch is manufactured extremely true to size, then the turn-ins of the sheet are reliably glued to the inner surfaces and damages are prevented, but separate form punches are required for each inside dimension leading to increased complexity
Solution Approach 1:
The patent applies the universality principle by designing a single form punch that can be adjusted to accommodate different box inside dimensions. The form punch includes adjustment mechanisms that allow it to be configured for various box sizes, eliminating the need for multiple separate form punches while maintaining reliable gluing and preventing damages through precise manufacturing.
3Manufacturing precision
If format deviations of the raw boxes occur due to manufacturing tolerances or climatic influences, then quality losses or even rejects occur, but the form punch must be extremely precise to prevent this
Solution Approach 1:
The patent applies the dynamics principle by making the form punch adjustable to accommodate format deviations of raw boxes. The form punch can be dynamically reconfigured to match the actual dimensions of each box, compensating for manufacturing tolerances and climatic influences, thereby maintaining high quality rates without requiring extreme precision for every possible box variation.
Data Source
AI summary
Covering of raw boxes with a sheet blank in a box laminating machine with a rubbing-down device that sweeps or rolls over the surface to be covered and a counter-holder that interacts with said rubbing-down device, wherein the rubbing-down operation takes place during a transport movement of the box and the counter-holder plunges into the box in order to support the wall to be covered against the rubbing-down device.