Sheet Separation Alignment Control for Two-Ply Sheet Insertion
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Solution Overview
Problem
Existing sheet separation devices struggle with displacement issues when separating two-ply sheets, particularly when the position of the sheets is displaced in the width direction during conveyance, leading to misalignment and improper insertion of inner sheets.
Innovation Solution
A sheet separation device equipped with a displacement detector to measure sheet displacement, a displacement adjuster to correct positional discrepancies, and a controller to synchronize the relative positions of the two-ply sheet and inner sheet, ensuring accurate separation and insertion without width direction displacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If sheet separation is performed on a two-ply sheet with displaced position in the width direction, then the sheet separating operation can be completed, but the sheet inserting operation cannot be properly performed due to misalignment
Solution Approach 1:
The displacement detector detects the displacement amount of the two-ply sheet in advance before the sheet separating operation, and the displacement adjuster adjusts the position beforehand. This preliminary detection and adjustment ensures that both sheet separation and subsequent sheet insertion can be performed accurately without misalignment issues.
Solution Approach 2:
The displacement detector provides real-time feedback on the position of the two-ply sheet and inner sheet, allowing the controller to adjust the relative positions dynamically. This feedback mechanism ensures proper alignment for both separation and insertion operations, resolving the contradiction between separation precision and insertion reliability.
2Productivity
If the position of the two-ply sheet is displaced in the width direction during conveyance, then conveyance can proceed, but the sheet separating operation cannot be performed accurately
Solution Approach 1:
The patent replaces mechanical alignment methods with a detection and control system. The displacement detector uses sensing technology to detect position, and the controller automatically adjusts the position of the two-ply sheet and inner sheet, substituting complex mechanical alignment mechanisms with a more precise detection-control system.
3Ease of operation
If the inner sheet position is relatively displaced with respect to the two-ply sheet, then the inner sheet can be conveyed, but the sheet inserting operation cannot be performed properly
Solution Approach 1:
The system detects the displacement amount of the inner sheet in advance during conveyance, and the controller adjusts the relative position before the sheet inserting operation. This preliminary adjustment ensures that the inner sheet is properly aligned with the two-ply sheet for accurate insertion, while maintaining ease of conveyance operation.
Data Source
AI summary
A sheet separation device includes a sheet separation unit, a displacement detector, a displacement adjuster, and a controller. The sheet separation unit performs a sheet separating operation and a sheet inserting operation. The displacement detector detects a displacement amount of the two-ply sheet when the two-ply sheet is displaced in a width direction of the two-ply sheet and detects a displacement amount of the inner sheet. The displacement adjuster adjusts the displacement of the two-ply sheet in the width direction before the sheet separating operation, based on the displacement amount of the two-ply sheet in the width direction detected by the displacement detector. The controller causes the displacement adjuster to adjust relative positions of the two-ply sheet and the inner sheet between the sheet separating operation and the sheet inserting operation, based on the displacement amount of the inner sheet in the width direction detected by the displacement detector.