L-Shaped Paper Sheet Stacking Module for Compact Footprint
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Solution Overview
Problem
Conventional paper sheet handling apparatuses with a large number of horizontal stacking units require significant installation space and are not user-friendly due to the large distance between units, making it difficult for users to access and verify the presence of paper sheets in distant units.
Innovation Solution
A paper sheet handling apparatus with a base module and an extension module, where the extension module is connected vertically to the base module, reducing the installation area and allowing for easier access with a combination of first-type and second-type stacking units arranged in an L-shaped configuration, featuring distinct transport paths and recognition systems for efficient sorting and stacking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a large number of stacking units are arranged horizontally, then the paper sheet handling capacity is improved, but the installation area increases and user accessibility deteriorates
Solution Approach 1:
The patent transitions from a purely horizontal arrangement of stacking units to a three-dimensional configuration by adding vertical stacking units. This dimensional change allows the system to maintain high paper sheet handling capacity while reducing the horizontal installation footprint, directly resolving the contradiction between productivity and installation area.
Solution Approach 2:
The patent implements nested stacking units where vertical stacking units are positioned above horizontal stacking units, creating a compact nested structure. This nesting approach maximizes the use of vertical space, allowing more stacking units to be accommodated in a smaller overall area, thereby improving productivity without proportionally increasing installation area.
2Productivity
If stacking units are arranged horizontally, then the paper sheet handling capacity is improved, but the distance between units increases making user operation difficult
Solution Approach 1:
By introducing vertical stacking units arranged in front of the user, the patent reduces the horizontal distance the user must traverse to access different stacking units. The vertical arrangement brings multiple stacking units within easy reach, improving ease of operation while maintaining high handling capacity through the expanded three-dimensional configuration.
3Productivity
If stacking units are arranged horizontally, then the paper sheet handling capacity is improved, but visual verification of paper sheets becomes difficult
Solution Approach 1:
The vertical stacking units are positioned in front of the user, allowing direct visual access to the paper sheets in these units. This spatial arrangement enables the user to easily verify paper sheet presence and status without straining to see distant horizontal units, thereby improving detectability while maintaining high productivity through the expanded stacking capacity.
Data Source
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Figure 3A~3B
AI summary
The paper sheet handling apparatus includes a base module and an extension module connected to the base module. The base module includes a feeding unit, a first transport unit, a recognition unit that recognizes the paper sheet, first-type stacking units arranged along a first direction for stacking a paper sheet and having an opening to remove the stacked paper sheet, and a control unit that controls transport of the paper sheet based on a recognition result obtained in the recognition unit. The extension module includes a second transport unit that transports inside the extension module a paper sheet discharged from the base module by the first transport unit, and second-type stacking units arranged along a second direction different from the first direction and having an opening to remove the stacked paper sheet. The control unit controls the first-type stacking unit and the second-type stacking unit to sort and stack the paper sheet.