Movable Heating Member for Hot-Stamping Press Maintenance

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Solution Overview

Problem

The existing hot stamping devices for printing metallic bands on sheets face difficulties in maintenance and repair due to the complex access and positioning of the heating member, which is fixed within the press and requires manual handling and removal through narrow spaces.

Innovation Solution

A movable heating member that can transition between operational and maintenance positions outside the press, using a frame and rollers for guided movement and support, allowing for easy access and intervention without needing to intervene within the press.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the heating member is fixed within the press using fixing screws, then the heating member is securely positioned for operation, but access to the heating member becomes extremely difficult and maintenance becomes impractical

Engineering Contradiction:
Improvesecure positioning of heating memberVSAvoidaccess to heating member
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The heating member is made movable rather than fixed, allowing it to be easily extracted from the press for maintenance while remaining securely positioned during operation through the action of fixing means that can be engaged or disengaged as needed

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The heating member is designed as a separate, modular component that can be independently removed from the press, rather than being permanently integrated into the press structure, enabling easy maintenance while maintaining secure positioning during use

Inventive Principle:
Principle #1Segmentation

2Ease of repair

If the heating member is accessible from inside the press, then maintenance is easier, but the press structure becomes more complex and requires additional openings

Engineering Contradiction:
Improveaccess to heating memberVSAvoidpress structure
Core Design Contradiction:
Ease of repairVSDevice complexity

Solution Approach 1:

The heating member is extracted from the interior of the press and made accessible from the exterior through a lateral opening, eliminating the need for complex internal access mechanisms while still allowing easy maintenance

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

A lateral opening in the press structure serves as an intermediary access point, allowing the heating member to be removed and maintained from the outside without requiring the heating member to be permanently accessible from within the press

Inventive Principle:
Principle #24Intermediary (Mediator)

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 design simplifies maintenance and repair by allowing the heating member to be easily moved and accessed outside the press, reducing the complexity and impracticality of manual handling and positioning, thereby enhancing operational efficiency and safety.

Implementation Method 1

a heating member (340) which is capable of bringing to a given temperature each stamping tool which is associated with said static platen

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentEP2694280B1Hot-stamping printing device
Publication Date: 2019.12.11 BOBST MEX SA
  • EP2694280B1 patent drawingFigure 1
  • EP2694280B1 patent drawingFigure 2
  • EP2694280B1 patent drawingFigure 3~4

AI summary

The present invention relates to a device (300) for printing a series of elements in the form of sheets, including a platen press (310) capable of depositing, onto each sheet and by stamping between a static platen (320) and a movable platen (330), a colored or metalized film from at least one strip to be stamped (411), as well as a heating member (340) capable of raising any stamping tool secured to the static platen (320) to a given temperature in order for the stamping operation to be carried out under hot conditions within the platen press (310). The invention is characterized in that the heating member (340) is mounted so as to be movable between an operating position, in which the heating member is inserted between the static platen (320) and each stamping tool associated with said static platen (320), and a maintenance position, in which the heating member is positioned outside the platen press 310.