Book Block Aligning Device with Air Blowing and Vibration

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Solution Overview

Problem

Conventional book block aligning devices suffer from low production efficiency due to manual operation requirements and instability in aligning book blocks during high-speed processing, often resulting in misalignment and inefficiencies when transitioning between paper discharge, aligning, and bookbinding machines.

Innovation Solution

A book block aligning device with a conveying mechanism and air blowing control mechanism that synchronizes air outlet start/stop and air volume adjustments with the book block's passage, utilizing a shutter plate to control air flow and a vibration mechanism to align the book block during conveyance, ensuring stable and efficient alignment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual operation is used to align book blocks, then operators can adjust alignment according to paper characteristics, but production efficiency is very poor and operators must be positioned between devices

Engineering Contradiction:
Improvealignment accuracyVSAvoidproduction efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The book block aligning device automatically detects the arrival of book blocks and controls air blowing timing without operator intervention. The control unit receives detection signals from detection units and automatically activates air blowers at the appropriate moment, enabling the system to serve itself and eliminate the need for manual operation while maintaining alignment quality

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical alignment operations with an automated system combining detection units, control units, and air blowing mechanisms. This substitution of mechanical/manual operations with automated control systems dramatically improves production efficiency while maintaining reliable alignment through precise control

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If air blowing is applied continuously to separate sheets and align book blocks, then alignment effectiveness is maintained, but energy is wasted and sheets may be excessively disturbed

Engineering Contradiction:
Improvealignment stabilityVSAvoidair blowing energy consumption
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The air blowing operation is performed periodically rather than continuously. The control unit activates air blowers only during specific periods when book blocks are detected to be present in the receiving frame, and deactivates them when no book blocks are present. This periodic operation maintains alignment effectiveness while significantly reducing energy consumption compared to continuous operation

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The detection unit detects the arrival of book blocks in advance before they fully enter the receiving frame. The control unit uses this advance detection signal to activate air blowers at the optimal moment, ensuring air blowing begins just when needed. This preliminary detection and timed activation prevents excessive or premature air blowing, reducing energy waste while maintaining alignment stability

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If operators manually convey book blocks between devices, then flexibility in handling different paper types is maintained, but production efficiency is reduced and operator safety may be compromised

Engineering Contradiction:
Improvehandling flexibilityVSAvoidprocessing speed
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The patent replaces manual conveying operations with an automated conveying mechanism that transports book blocks between the paper discharge device, aligning device, and bookbinding machine. This mechanical substitution maintains flexibility through programmable control while dramatically improving processing speed and eliminating safety risks associated with manual handling

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The automated conveying and aligning system is designed to handle various types of paper and book blocks through programmable control parameters. The system can adapt to different paper characteristics, sizes, and quantities by adjusting control settings, providing universal functionality that replaces manual handling flexibility while improving productivity

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Ease of manufacture

If the book block aligning device operates independently, then it can be easily integrated into existing setups, but it cannot form an integrated processing line with upstream and downstream devices

Engineering Contradiction:
Improveintegration simplicityVSAvoidprocessing line efficiency
Core Design Contradiction:
Ease of manufactureVSProductivity

Solution Approach 1:

The book block aligning device is designed with universal interfaces and automated control capabilities that enable it to function as both a standalone unit and an integrated component of a processing line. The control unit can communicate with upstream paper discharge devices and downstream bookbinding machines, allowing the system to operate independently or as part of an automated production line, thereby maintaining ease of integration while enabling high-productivity line operation

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 device enables stable and high-speed alignment of book blocks by starting air blowing when the leading edge reaches the air outlet and adjusting air volume accordingly, ensuring reliable alignment and improved production efficiency by integrating with upstream and downstream paper processing devices.

Implementation Method 1

a vibration mechanism to vibrate the paper conveying surface of the conveying path

Methodology Applied
Scientific EffectVibration: Vibration

Implementation Method 2

a blowing mechanism to blow air from the air outlet to the book block

Methodology Applied
Scientific EffectAir flow:

Data Source

PatentEP3819130B1Book block aligning device
Publication Date: 2023.10.11 HORIZON INTERNATIONAL INC
  • EP3819130B1 patent drawingFigure 1A
  • EP3819130B1 patent drawingFigure 1B
  • EP3819130B1 patent drawingFigure 2

AI summary

Provided is a book block aligning device that forms one processing line with paper processing devices on an upstream side and a downstream side, and is capable of stably performing alignment processing of a book block at a high speed. Provided is the book block aligning device comprising an air blowing control mechanism 16 that controls start/stop of blowing of air from an air outlet, and an air volume of air, in accordance with timing when a book block S passes through the air outlet opened in a conveying surface provided in a conveying path 2, and a vibration mechanism 18 that vibrates a first conveying surface.