Synchronous Adhesive Tape Transport for Solar Module Lamination

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Solution Overview

Problem

Existing methods for laminating plane objects, such as solar cell modules, with adhesive tape often result in diminished adhesive effect due to stretching and contact with unspooling device components, leading to incomplete coverage and potential wrinkling or tearing.

Innovation Solution

A method and device where the object and adhesive tape are transported synchronously using a handling device, with real-time control of velocity and acceleration, ensuring tension-free application and precise lamination without stretching, using a conveyor belt system with rollers and a cutting device to manage tape length and tension.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the adhesive tape is pulled off the spool by contact friction during object transport, then the lamination process is simple, but the adhesive tape stretches and loses adhesive effect

Engineering Contradiction:
Improvesimplicity of lamination processVSAvoidadhesive effect
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

A tensioning element is introduced as an intermediary component between the adhesive tape and the object. This tensioning element actively controls the tape tension during application, preventing stretching while maintaining the simplicity of the overall lamination process. The tensioning element acts as a mediator that manages the force transmission to ensure reliable adhesion.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Device complexity

If the adhesive tape contacts components of the unspooling device, then the spooling mechanism is straightforward, but the adhesive effect is diminished

Engineering Contradiction:
Improvesimplicity of spooling mechanismVSAvoidadhesive effect
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The adhesive tape is extracted from direct contact with the unspooling device components by introducing a tensioning element. The tape is pulled off the spool by the tensioning element rather than by direct friction with unspooling components, thereby removing the harmful interaction while keeping the spooling mechanism itself simple and functional.

Inventive Principle:
Principle #2Taking out (Extraction)

3Productivity

If the adhesive tape is applied without tension control, then the application process is fast, but wrinkling or tearing occurs

Engineering Contradiction:
Improvespeed of lamination processVSAvoidquality of lamination
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

A tensioning element with adjustable tension control is implemented to provide real-time feedback and adjustment of the adhesive tape tension during application. This allows the system to maintain optimal tension levels dynamically, preventing wrinkling or tearing while preserving high productivity through continuous operation without halts for quality checks.

Inventive Principle:
Principle #23Feedback

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

Ensures reproducible quality of adhesion with complete coverage and reduced risk of wrinkling or tearing, allowing for controlled tension in the adhesive tape for specific applications, and enabling precise alignment and cutting without halting the process.

Implementation Method 1

the adhesive tape is pulled off the provisioning spool by the contact friction/force between adhesive tape and the edge of the object and adheres to the edge of the object

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS9493321B2Method and device for adhering an edge of a laminar object
Publication Date: 2016.11.15 REIS ROBOTICS GMBH & CO KG
  • US9493321B2 patent drawing
  • US9493321B2 patent drawing
  • US9493321B2 patent drawing

AI summary

The invention relates to a method for adhering an object (12) having an adhesive tape (16) preferably having a liner (26), wherein the object having the adhesive tape contacts and is applied to the object during transport of the object having the likewise transported adhesive tape and wherein the speed of the object and the speed of the adhesive tape are synchronized during the adhesion. In order to enable adhesion of the object without influencing the adhesive tape, whereby the adhesive effect could be negatively influenced, according to the invention the object is transported by means of a handling arrangement and both the velocity and acceleration curves of the object are transferred to the transport of the adhesive tape via an axis of the handling device.