Case-making device compacting box sheet extraction

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Solution Overview

Problem

Case-making devices are typically bulky and tall, making them difficult to transport due to their vertical orientation, which can lead to damage when trying to change the orientation of box sheets during the folding process.

Innovation Solution

A case-making device that allows for the partial overlap of box sheets by adjusting the extraction and holding mechanisms to incline the box sheets at a small angle, using suction tools to grip and move the sheets horizontally, thereby reducing the height dimension and minimizing the risk of damage during folding.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the case-making device processes box sheets in a vertical orientation, then the box sheet can be easily extracted and processed, but the device height increases making it bulky and difficult to transport

Engineering Contradiction:
Improvebox sheet extraction and processingVSAvoiddevice height
Core Design Contradiction:
Ease of operationVSLength of stationary object

Solution Approach 1:

The invention changes the processing orientation from vertical to horizontal by rotating the box sheet 90 degrees. The box sheet is fed horizontally through the processing mechanisms, allowing the device to have a compact vertical profile while maintaining effective processing capability. This dimensional change resolves the contradiction between ease of operation and device height.

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

2Device complexity

If the box sheet is completely separated from remaining sheets during extraction, then the processing is simplified, but the device height increases due to the separation space required

Engineering Contradiction:
Improveprocessing mechanism simplicityVSAvoiddevice height
Core Design Contradiction:
Device complexityVSLength of stationary object

Solution Approach 1:

The invention applies partial separation by extracting only the leading portion of the box sheet while maintaining contact between the extracted sheet and the remaining stack. The extraction mechanism pulls the box sheet forward by a controlled distance sufficient for processing initiation but not complete separation, eliminating the need for additional vertical space while maintaining processing simplicity.

Inventive Principle:
Principle #16Partial or excessive action

3Length of stationary object

If the box sheet is oriented with flaps extending vertically, then the device height increases, but if oriented horizontally it may interfere with extraction mechanisms

Engineering Contradiction:
Improvedevice heightVSAvoidbox sheet extraction
Core Design Contradiction:
Length of stationary objectVSEase of operation

Solution Approach 1:

The invention performs preliminary orientation adjustment by rotating the box sheet 90 degrees before it enters the main processing area. The box sheet is fed with its flaps extending horizontally rather than vertically, and the extraction mechanisms are positioned to accommodate this orientation. This preliminary reorientation prevents interference between the flaps and extraction mechanisms while maintaining compact device height.

Inventive Principle:
Principle #10Preliminary action

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 enables a compact case-making device that can handle box sheets efficiently, reducing the height dimension and preventing damage by using inclined support and suction mechanisms to facilitate horizontal movement and folding, making the device more transportable and user-friendly.

Implementation Method 1

the case-making device comprises a plurality of suction tools to grip the surface of the box sheet moved by the extraction part by suctioning air

Methodology Applied
Scientific EffectSuction: Suction

Data Source

PatentEP3444109B1Case-making device
Publication Date: 2022.03.09 ISHIDA CO LTD
  • EP3444109B1 patent drawingFigure 1
  • EP3444109B1 patent drawingFigure 2
  • EP3444109B1 patent drawingFigure 3

AI summary

A case-making device (90) comprises a box-sheet magazin (10) and an extraction part (20). The box-sheet magazin (10) can hold a plurality of box sheets (S) extending in an upright direction (UR) to be processed into container boxes (B). The extraction part (20) is configured to extract one box sheet (S) at a time from the box-sheet magazin (10) and to move the box sheet (S) in the upright direction (UR) by a distance shorter than an upright-direction (UR) dimension (H1) of the box sheet (S).