Suction Transport Belt Feeding Apparatus with Movable Guide Members

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Solution Overview

Problem

Existing paper feeding apparatuses face challenges in maintaining sufficient suction force to effectively transport sheet-shaped media, leading to potential feeding failures and inefficiencies.

Innovation Solution

A feeding apparatus with a suction transport belt and surrounding members that move upward to enhance suction force by reducing the gap between the belt and the media, ensuring consistent and efficient feeding.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a suction transport belt is used to feed sheet-shaped media, then the media can be automatically transported, but the suction force may be insufficient leading to feeding failures

Engineering Contradiction:
Improveautomated feeding capabilityVSAvoidfeeding reliability
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The suction transport belt is divided into multiple independent suction holes arranged in rows and columns. Each suction hole independently contributes to the total suction force, allowing the system to maintain reliable feeding through distributed suction points rather than relying on a single suction source.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention introduces a vertical dimension by providing suction holes at different heights (first suction holes at a first height, second suction holes at a second height). This multi-level suction arrangement enhances the suction force by acting on the media from multiple vertical positions, improving feeding reliability while maintaining automated operation.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Reliability

If suction force is increased to prevent feeding failures, then feeding reliability improves, but the gap between belt and media must be reduced which complicates the device structure

Engineering Contradiction:
Improvefeeding reliabilityVSAvoiddevice structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The invention employs movable guide members that can dynamically adjust their positions to maintain optimal gaps between the suction transport belt and the sheet-shaped media. This dynamic adjustment capability allows the system to maintain high suction force without requiring a permanently reduced gap, thereby improving feeding reliability while avoiding excessive structural complexity through adaptive rather than static design.

Inventive Principle:
Principle #15Dynamics

3Force

If the gap between suction belt and media is reduced to concentrate suction force, then suction effectiveness improves, but the device becomes more complex and media may become inclined during transport

Engineering Contradiction:
Improvesuction force concentrationVSAvoiddevice structure complexity
Core Design Contradiction:
ForceVSDevice complexity

Solution Approach 1:

Movable guide members are provided that can dynamically adjust their positions to maintain appropriate gaps between the suction transport belt and the media. This dynamic adjustment allows the system to concentrate suction force effectively while preventing media inclination during transport, without requiring a permanently reduced gap that would complicate the device structure.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

Guide members are introduced as intermediary elements between the suction transport belt and the sheet-shaped media. These guide members help maintain the optimal gap distance, ensuring that suction force is concentrated effectively on the media while preventing the media from becoming inclined during transport, thereby avoiding the need for excessive structural modifications to the belt system itself.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Force

If multiple suction holes are provided at different heights, then suction force is enhanced, but the device complexity increases

Engineering Contradiction:
Improvesuction forceVSAvoiddevice structure complexity
Core Design Contradiction:
ForceVSDevice complexity

Solution Approach 1:

The suction system is segmented into multiple independent suction holes arranged at different heights (first suction holes at a first height, second suction holes at a second height). This segmentation allows each suction hole to independently contribute to the total suction force, enhancing overall suction capability while distributing the structural complexity across multiple simple, modular suction units rather than requiring a single complex suction mechanism.

Inventive Principle:
Principle #1Segmentation

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 apparatus achieves improved suction force and reliable feeding of sheet-shaped media by concentrating suction force and preventing media from being inclined during transport, reducing the likelihood of feeding failures.

Implementation Method 1

a suction transport belt that is disposed above the stacking plate and causes a topmost one of the stacked sheet-shaped media to be sucked onto a belt lower surface

Methodology Applied
Scientific EffectSuction: Suction

Data Source

PatentUS11964840B2Feeding apparatus for feeding sheet-shaped medium, and using apparatus for using sheet-shaped medium
Publication Date: 2024.04.23 FUJIFILM BUSINESS INNOVATION CORP
  • US11964840B2 patent drawing
  • US11964840B2 patent drawing
  • US11964840B2 patent drawing

AI summary

A feeding apparatus for feeding a sheet-shaped medium includes: a stacking plate on which sheet-shaped media are stacked; a suction transport belt that is disposed above the stacking plate and causes a topmost one of the stacked sheet-shaped media to be sucked onto a belt lower surface and then rotates to carry out the topmost sheet-shaped medium to a destination; and a surrounding member that is provided in a hanging-down manner at least at left and right positions in a carrying-out direction around the suction transport belt so as to be movable up and down, surrounds a space below the belt lower surface, and is moved upward by contact with the sheet-shaped medium that is being sucked.