Automatic Book Covering Machine with Dimensional Adjustment

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Solution Overview

Problem

Existing automatic machines for covering books are laborious and complex, requiring cumbersome operations and lacking in simplicity and effectiveness.

Innovation Solution

An automatic machine with a tray system, gripping mechanism, and control unit that measures and adjusts the book's dimensions to precisely position and cover it with a plastic film sheet, using sensors and motors for efficient film unwinding, cutting, folding, and welding.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Extent of automation

If existing automatic machines for covering books are used, then book covering can be automated, but the machine structure becomes complex and operations become laborious

Engineering Contradiction:
Improveautomation of book coveringVSAvoidmachine structure complexity
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The machine is divided into distinct functional modules: a base supporting the book and film, an upper part with folding blades, and a crosspiece with welding blade. Each module performs a specific function (folding, welding, cutting) independently, simplifying the overall structure while maintaining automation capability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The base serves multiple functions: it supports the book, holds the film sheet, and provides a surface for welding operations. The upper part both folds the film and positions it for welding. This multi-functionality reduces the number of separate components needed.

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

2Extent of automation

If existing automatic machines for covering books are used, then book covering can be automated, but the operation process becomes laborious

Engineering Contradiction:
Improveautomation of book coveringVSAvoidoperation simplicity
Core Design Contradiction:
Extent of automationVSEase of operation

Solution Approach 1:

The film sheet is pre-positioned on the base before the book is placed. The folding blades are pre-configured to fold the film at the correct positions. This preliminary arrangement eliminates the need for complex real-time adjustments during operation, making the process simpler.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The machine structure itself facilitates the covering process without requiring complex operational interventions. The base automatically holds the film in position, the upper part naturally folds the film over the book, and the welding blade automatically seals the edges. The system performs the covering task through its inherent mechanical design rather than requiring complex control operations.

Inventive Principle:
Principle #25Self-service

3Manufacturing precision

If precise film positioning and cutting is required, then covering quality improves, but machine complexity increases

Engineering Contradiction:
Improvefilm positioning and cutting accuracyVSAvoidmachine structure complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The welding blade is positioned at a specific location on the crosspiece to weld only the critical edges of the film. The folding blades are positioned to fold only at the necessary points. This localized approach to welding and folding achieves precise film positioning and cutting accuracy without requiring complex machine-wide adjustments.

Inventive Principle:
Principle #3Local quality

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 machine simplifies the book covering process by automating measurements and operations, ensuring accurate film application and cutting, resulting in a more efficient and effective covering of book covers.

Implementation Method 1

The crosspiece carries a welding blade which collaborates with a fixed counter-blade restrained to the base and can be warmed by means of an electric resistance fed through the electric circuitry

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Data Source

PatentEP3573840B1Automatic machine and method for covering the covers of books
Publication Date: 2020.10.28 COLIBRI SYST SPA
  • EP3573840B1 patent drawingFigure 1
  • EP3573840B1 patent drawingFigure 2
  • EP3573840B1 patent drawingFigure 3

AI summary

There is described an automatic machine for covering the covers (2, 3) of a book (1) of different dimensions starting from a film sheet (5); the machine comprises a work plane (23) in which said film sheet is arranged, means (81, 82) for welding and cutting the film sheet, first (91) and second (92) means for folding the ends (7, 8) of the film sheet and a control unit (100) adapted to control the welding and cutting means and the first and second folding means as a function of the book dimension (La, Lu, D) for the operation of covering the book covers. The machine comprises reception (10) and gripping (20) means configured to receive the book with the open covers at the input position (A) and adapted to grip the body (4) of the book outside the work plane (23) and transport the book to the working position (Al) over the film sheet for the operation of covering the book covers.