Stacking Wheel Blade Deformation for Compact Paper Feeding
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Solution Overview
Problem
Conventional paper sheet stacking and feeding apparatuses require a mechanism to move the stacking wheel between entering and retreating positions, increasing costs and limiting device downsizing due to the need for retreating space.
Innovation Solution
The apparatus employs a blade guiding member that deforms the stacking wheel's blades in the axial direction when rotating in the feeding-out direction, allowing them to retreat from the transport path without moving the wheel, eliminating the need for a moving mechanism and retreating space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the stacking wheel is moved between entering and retreating positions to allow blade retraction, then the blades can clear the transport path for feeding out, but the device complexity increases due to the moving mechanism
Solution Approach 1:
The stacking wheel is segmented into a rigid wheel body and flexible elastic blades. The blades can independently deform relative to the wheel body, allowing them to be pushed into the transport path during stacking while remaining clear during feeding out, eliminating the need to move the entire wheel assembly.
Solution Approach 2:
The physical state of the blades changes from extended (during stacking) to retracted/deformed (during feeding out). By changing the deformation parameter of the elastic blades through the blade guiding member, the system achieves blade retraction without moving the stacking wheel position.
2Ease of operation
If the stacking wheel is moved to a retreating position to clear the transport path, then feeding out can proceed without obstruction, but the device volume increases due to the required retreating space
Solution Approach 1:
By separating the function of the wheel body (providing structural support and rotation) from the function of the blades (contacting and transporting paper sheets), the system allows blades to perform retraction movements locally without requiring the entire wheel assembly to move to a retreating position.
Solution Approach 2:
Instead of moving the stacking wheel along the transport path direction (one dimension), the blades deform in the axial direction of the stacking wheel (another dimension). This dimensional change allows blade retraction without requiring linear retreating space.
3Ease of operation
If the stacking wheel is moved between positions to manage blade placement, then proper contact and clearance can be achieved, but the manufacturing cost increases
Solution Approach 1:
The blade guiding member acts as an intermediary component that controls blade deformation. This simple guiding structure is easier and cheaper to manufacture than complex moving mechanisms, while effectively achieving the required blade contact and clearance control.
Solution Approach 2:
The elastic blades automatically deform and retract under the guidance of the blade guiding member during normal operation. This self-service mechanism eliminates the need for additional actuators, motors, or control systems that would increase manufacturing complexity and cost.
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
This solution reduces costs by eliminating the need for a moving mechanism and allows for device downsizing by enabling the blades to retreat from the transport path without moving the stacking wheel, enhancing operational efficiency and compactness.
Implementation Method 1
a blade guiding member 38 which guides the blades 32a of the stacking wheel 32, so that the blades 32a enter into the transport path 36 when the stacking wheel 32 rotates in the feeding-in direction of the paper sheet toward the stacking unit 26, and the blades 32a retreat from the transport path 36 when the stacking wheel 32 rotates in the feeding-out direction of the paper sheet from the stacking unit 26
Data Source
Figure 1A
Figure 1B~1B(b)
Figure 2~3
AI summary
A stacking wheel mechanism (30) includes a stacking wheel (32) that is arranged near a stacking unit (26) and having a plurality of elastic blades (32a) on an outer circumferential surface thereof, and a blade guiding member (38) that is arranged near the stacking wheel (32) to guide the blades (32a) of the stacking wheel (32). The blade guiding member (38) guides the blades (32a) of the stacking wheel (32) such that the blades (32a) of the stacking wheel (32) enter into a transport path (for example, an internal transport path (36)) when the stacking wheel (32) rotates in a feeding-in direction of a paper sheet toward the stacking unit (26) and the blades (32a) of the stacking wheel (32) retreat from the transport path when the stacking wheel (32) rotates in a feeding-out direction of the paper sheet from the stacking unit (26).