Offset Device for Folding Box Orientation Stability
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Solution Overview
Problem
Conventional packaging devices face performance limitations due to the need for adjacent folding boxes to be spaced apart to prevent contact, which complicates the design and reduces efficiency, and alternative methods that account for distance between boxes increase space requirements and further limit performance.
Innovation Solution
Incorporating an offset device along the conveying path to allow folding boxes to touch each other orthogonally, with conveyance-limiting means to manage their movement, enabling a compact arrangement that stabilizes the boxes and eliminates the need for spreading grippers, while tapering cover side flaps prevents main flap contact with adjacent shells.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If adjacent folding boxes are placed at a distance to prevent contact, then the folding boxes can be conveyed without touching, but the device complexity increases and performance decreases
Solution Approach 1:
The patent introduces an offset in the lateral dimension (orthogonal to the conveying direction) to prevent cover side flaps from touching. By offsetting adjacent folding boxes laterally, the system eliminates the need for gripper spreading mechanisms while maintaining reliable box orientation and preventing flap contact.
2Productivity
If folding boxes are placed closer together to increase performance, then the device becomes more compact, but the cover side flaps may touch and alter orientation
Solution Approach 1:
The patent applies a lateral offset in the dimension orthogonal to the conveying direction to prevent cover side flaps from contacting adjacent folding boxes. This offset maintains compact box arrangement for high productivity while ensuring reliable orientation by preventing flap-to-box contact.
Solution Approach 2:
The patent applies different spatial arrangements to different parts of the folding box assembly. Specifically, the folding box shells are positioned to touch for stability, while the cover side flaps are offset laterally to prevent contact with adjacent boxes, creating localized spatial differentiation that satisfies both compactness and orientation requirements.
3Reliability
If the conveying path length is increased to accommodate spacing between boxes, then boxes can be conveyed without contact, but the overall device length increases
Solution Approach 1:
The patent moves the spacing requirement from the conveying direction (longitudinal) to the lateral dimension (orthogonal to conveying direction). By offsetting boxes laterally rather than increasing longitudinal spacing, the system maintains conveyance stability without increasing the overall device length.
4Ease of operation
If grippers are designed to spread sideways to accommodate spaced boxes, then boxes can be filled properly, but the structural design becomes more complex
Solution Approach 1:
The patent eliminates the need for gripper spreading by introducing a lateral offset dimension for the folding boxes themselves. This dimensional shift places the spacing requirement on the boxes rather than the grippers, simplifying the gripper mechanism to a basic grasp-and-release function while maintaining proper product insertion capability.
Data Source
AI summary
A packaging device and a packaging method are disclosed in which, in a provisioning section, a plurality of folding boxes is arranged with the main cover flap projecting upward from a folding box shell, in which the folding boxes, in order to form a folding box group are conveyed in a first conveying direction from the provisioning section to a filling preparation section, with an offset device offsetting at least one of the folding boxes in a direction extending orthogonally to the first conveying direction by a predetermined offset distance and in which the folding box group is transferred along a second conveying direction from the filling preparation section to the filling section.