Bunch Sheet Depository with Dynamic Pressure Plate
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing media depositories face challenges in reliably picking and validating large bunches of sheets due to splaying issues and inconsistent force application, regardless of the size of the bunch, which affects the reliability of the picking operation.
Innovation Solution
A bunch sheet depository system utilizing a pressure plate, a picker, a link arm with a resilient member, and an actuator that compresses the bunch using a force that reduces as sheets are removed, maintaining a constant pinch force by matching the spring force reduction to the weight of the removed sheets, ensuring reliable picking and transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a large bunch of sheets is transported to the picking area, then the capacity of the depository is improved, but the sheets within the bunch tend to splay out making picking less reliable
Solution Approach 1:
The pressure plate is made movable rather than fixed, allowing it to dynamically adjust its position and applied force. The plate moves in response to sheets being removed from the bunch, automatically maintaining optimal pressure throughout the picking process to prevent splaying while accommodating varying bunch sizes.
2Device complexity
If a fixed force is applied to the bunch of sheets, then the picking operation is simplified, but the force is not appropriate regardless of the size of the bunch
Solution Approach 1:
The pressure plate system is self-regulating and automatically adjusts the applied force based on the bunch characteristics and picking progress. As sheets are removed, the plate moves and the spring force naturally adjusts, eliminating the need for complex external control mechanisms while adapting to different bunch sizes.
3Reliability
If a spring mechanism is used to apply pressure to the bunch of sheets, then the force can be automatically adjusted as sheets are removed, but the mechanism becomes more complex
Solution Approach 1:
A spring element is introduced as an intermediary between the pressure plate and the fixed support. This spring automatically translates the weight reduction from sheet removal into corresponding force adjustments on the bunch, providing consistent pressure maintenance through a simple, reliable mechanical relationship rather than complex active control.
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 system ensures a consistent and reliable pinch force is applied to the bunch of sheets, improving the reliability of picking operations and preventing splaying, regardless of the size of the bunch, and allows for efficient transport and validation of sheets.
Implementation Method 1
a resilient member; and an actuator coupled to the resilient member and operable, when actuated, to compress the resilient member to pivot the link arm and thereby cause compression of the bunch of sheets by the pressure plate using a force that reduces as the pressure plate moves
Implementation Method 2
The system ensures a consistent and reliable pinch force is applied to the bunch of sheets, improving the reliability of picking operations and preventing splaying
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A bunch sheet depository (10) is described. The depository (10) comprises: a pressure plate (52) for pressing on a bunch of sheets (16); a picker (24) aligned with the pressure plate (52) and arranged to remove sheets individually from the bunch of sheets; a link arm (50) including (i) a pivot (60), (ii) an urging portion (96) coupled to the pressure plate (52) and (iii) a resilient member (66); and an actuator (54) coupled to the resilient member (66). The actuator (54) is operable, when actuated, to move the resilient member (66) to rotate the link arm (50) about the pivot (60) and thereby cause compression of the bunch of sheets (16) by the pressure plate (52) using a force from the resilient member (66) that reduces as the resilient member (66) relaxes in response to the pressure plate (52) moving as sheets are removed from the bunch of sheets (16).