Sheet Separation Guide Layout for Low-Load Conveyance
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Solution Overview
Problem
Existing sheet conveying devices face challenges in maintaining the posture and reducing the conveyance load of sheets during separation and conveyance, particularly when using air blowers and guides that continuously contact the sheets, leading to potential folding or wrinkling.
Innovation Solution
A sheet conveying device with a sheet stacker, air blower, and guides that contact the uppermost sheet at multiple spaced positions, utilizing a wave-shaped linear member and surface guides to minimize contact resistance and maintain sheet posture, while incorporating a suction conveyor for efficient sheet attraction and conveyance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a guide continuously contacts the uppermost sheet from upstream to downstream, then the sheet is guided stably, but the contact resistance increases causing folding or wrinkling
Solution Approach 1:
The guide is divided into multiple contact points spaced at intervals along the sheet conveyance direction, rather than continuous contact. This segmentation reduces the total contact area and contact resistance, preventing sheet folding while maintaining guidance through distributed support points
Solution Approach 2:
The guide features a curved surface that contacts the sheet at multiple discrete positions rather than a flat continuous surface. This curvature design naturally creates spaced contact points that reduce friction and allow the sheet to glide smoothly without folding
2Manufacturing precision
If multiple guides are arranged at intervals perpendicular to conveyance direction, then sheet positioning is improved, but device complexity increases
Solution Approach 1:
A single guide structure performs multiple functions: it provides lateral positioning, supports sheet weight, and guides conveyance all through one curved component. This eliminates the need for multiple separate guides arranged at intervals, reducing device complexity while maintaining positioning precision
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
The solution effectively reduces sheet conveyance load and maintains sheet posture by minimizing contact resistance, preventing folding or wrinkling, and ensuring smooth conveyance through the use of wave-shaped guides and surface guides with reduced friction.
Implementation Method 1
an air blower to blow air to the sheets
Implementation Method 2
a suction conveyor for efficient sheet attraction and conveyance
Data Source
AI summary
A sheet conveying device includes a sheet stacker, an air blower, and a guide. The sheet stacker stacks a plurality of sheets. The air blower blows air onto the plurality of sheets. The guide faces an uppermost sheet of the plurality of sheets on the sheet stacker and contacts the uppermost sheet at a plurality of positions of the guide spaced apart from each other in a sheet conveyance direction.