Heat Press Insulation Design for Safe Control Compartment Operation

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Solution Overview

Problem

Existing heat presses for home use are often unsafe, costly, and lack uniformity in heat distribution, making them unsuitable for mass production printing applications.

Innovation Solution

A heat press design featuring a body with a heat plate, handle, cover, and insulation portion, where the heat plate is embedded with copper and aluminum die-cast materials, and multiple layers of insulating materials like glass fibers and glass reinforced nylon, along with a control compartment and display for user safety and control, housed within a thermoplastic cover and metal substrate handle.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If industrial presses are used for mass production printing, then productivity is improved, but device complexity and cost increase

Engineering Contradiction:
Improvemass production printing capabilityVSAvoidpress structure complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The heat press is divided into distinct functional modules: a heat plate assembly with heating elements, a platen assembly with insulation layers, a control module with temperature sensor and regulator, and a frame structure. This segmentation allows each component to be optimized independently while maintaining overall system effectiveness for production printing.

Inventive Principle:
Principle #1Segmentation

2Productivity

If industrial presses are used for mass production printing, then productivity is improved, but manufacturing cost increases

Engineering Contradiction:
Improvemass production printing capabilityVSAvoidmanufacturing cost
Core Design Contradiction:
ProductivityVSEase of manufacture

Solution Approach 1:

The design specifies particular material parameters and dimensions optimized for production efficiency: heat plate thickness of 0.5-2 inches, insulation layer thickness of 0.25-1 inch, and heating element wattage of 500-2000W. These parameter ranges achieve production-grade performance while controlling manufacturing costs through standardized material specifications.

Inventive Principle:
Principle #35Parameter changes

3Device complexity

If heat plate is positioned close to control compartment, then device complexity is reduced, but temperature uniformity deteriorates

Engineering Contradiction:
Improvecomponent arrangement simplicityVSAvoidheat distribution uniformity
Core Design Contradiction:
Device complexityVSManufacturing precision

Solution Approach 1:

An insulation barrier comprising one or more insulation layers is positioned between the heat plate and the control compartment. This intermediary thermal barrier prevents excessive heat from the heat plate from affecting the control electronics and temperature sensor, allowing the control compartment to be positioned closer to the heat plate while maintaining temperature uniformity and control accuracy.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Manufacturing precision

If insulation layers are added between heat plate and control compartment, then temperature uniformity is improved, but device complexity increases

Engineering Contradiction:
Improveheat distribution uniformityVSAvoidinsulation layer structure
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The insulation barrier utilizes composite insulating materials including refractory ceramic materials, ceramic fiber, or other high-temperature resistant insulating materials. These composite materials provide effective thermal insulation in a compact form factor, achieving temperature uniformity without excessive structural complexity. The insulation layers may be configured as a single layer or multiple layers depending on thermal requirements.

Inventive Principle:
Principle #40Composite materials

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 provides a safe, cost-effective, and uniformly heated heat press capable of adhering iron-on materials to fabrics, ensuring user safety and efficient operation with automatic temperature control and safety features.

Implementation Method 1

The heat plate is embedded with copper and aluminum die-cast materials... uniformly heated heat press

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

The insulation portion is positioned between the control compartment and the heat plate. The insulation portion includes a first layer of insulating material... glass fibers and glass reinforced nylon

Methodology Applied
Scientific EffectThermal insulation: Thermal Insulation

Data Source

PatentEP3464711B1Heat press
Publication Date: 2021.07.14 CRICUT INC
  • EP3464711B1 patent drawingFigure 1
  • EP3464711B1 patent drawingFigure 2
  • EP3464711B1 patent drawingFigure 3

AI summary

A heat press (10) including a body (11), a heat plate (18), a handle (16), a cover (12), a control compartment (14) and an insulation portion (25). The body (11) includes a first end (1) and a second end (2). The heat plate (18) is located proximate the first end (1) of the body (11) and is configured to engage ironable materials (3). The handle (16) is located proximate the second end (2) of the body (11) and is configured to withstand forces (4) from a user. The cover (12) covers a portion of the body (11) and the handle (16). The control compartment (14) includes an electrical circuit (15), controls (19) and a display (17). The control compartment (14) is spaced away from and is at least indirectly electrically coupled to the heat plate (18). The insulation portion (25) is positioned between the control compartment (14) and the heat plate (18). The insulation portion (25) includes a first layer of insulating material (26).