Cardboard Box Interleaved Lid Assembly Mechanism
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Solution Overview
Problem
Existing cardboard box folding devices, such as those using vacuum suction, are unsuitable for forming interleaved shapes with recycled cardboard boxes due to soiling or bending, which can hinder suction effectiveness and panel alignment.
Innovation Solution
A cardboard box assembly apparatus with detruding members, locking members, and mover devices that form an interleaved lid by overlapping and locking panels, allowing for reliable assembly regardless of the cardboard box's condition, using a simple configuration and minimizing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If vacuum suction devices are used to hold panels, then panel positioning is achieved, but the device becomes unsuitable for recycled cardboard boxes with soiling or bending
Solution Approach 1:
The patent replaces the vacuum suction system (pneumatic field) with a mechanical pressing system consisting of pressing members that directly contact and press the panels. This mechanical approach is more reliable for recycled cardboard boxes because it does not depend on surface cleanliness or panel flatness, thereby resolving the contradiction between positioning reliability and adaptability to recycled boxes.
Solution Approach 2:
The patent changes the operating parameter from vacuum suction pressure to mechanical pressing force. By using pressing members that apply direct contact force, the system can accommodate variations in panel surface conditions (soiling, bending) found in recycled boxes, thus maintaining both positioning reliability and adaptability.
2Manufacturing precision
If complex folding mechanisms are used to form interleaved lids, then assembly precision is improved, but device complexity increases
Solution Approach 1:
The patent divides the lid formation process into discrete stages: panel pressing by pressing members, followed by interleaved folding by fold-over members. This segmentation allows each component to perform a specific function simply, achieving precise interleaved lid formation without requiring a single complex mechanism, thus resolving the contradiction between precision and complexity.
Solution Approach 2:
The patent applies preliminary pressing action to secure panels in their correct positions before the interleaved folding operation. This preliminary action ensures that when the fold-over members act on the panels, the folding occurs with high precision at predetermined locations, achieving precise interleaved lid formation through a simple two-stage process rather than a complex single-stage mechanism.
3Reliability
If multiple components are used for panel locking and folding, then assembly reliability is improved, but assembly time increases
Solution Approach 1:
The patent merges the functions of panel securing and interleaved folding into a coordinated sequence where pressing members and fold-over members work together in an integrated manner. The pressing members secure panels while the fold-over members simultaneously perform the folding action, and the locking members provide continuous retention. This merging of functions in a coordinated sequence achieves high assembly reliability through multiple components while minimizing the total assembly time by eliminating idle operations.
Data Source
AI summary
A cardboard box assembly apparatus is a device for folding four panels constituting a lid section of a cardboard box, forming an interleaved lid where each of the four panels by overlaps adjacent ones of the four panels. The cardboard box assembly apparatus is provided with detruding members, locking members, and mover devices. The detruding members detrude respective first portions of the four panels. The locking members lock respective second portions of the four panels, preventing the second portions from moving in detrusion directions. Detrusion directions refer to directions of detrusion of the four panels. The mover devices move the locking members in a direction including at least a vertical direction component.