Device for carrying a beaker and clampingly positioning a heat transfer sheet around the beaker
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Solution Overview
Problem
Existing devices for transferring images onto substrates like mugs suffer from poor heat conduction, uncertain clamping, energy inefficiency, and premature ink transfer due to thick, compressible materials and complex shapes, leading to energy loss and image blurring.
Innovation Solution
A device using a flexible, bendable clamping sheet with integral rods and recesses for secure clamping around substrates, minimizing heat absorption and ensuring uniform pressure, allowing efficient heat transfer and preventing premature ink transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stress or pressure
If a thick compressible material is used in the wall of the recess to provide uniform pressure, then contact pressure is improved, but heat conduction deteriorates
Solution Approach 1:
The device is divided into distinct functional components: a rigid support member providing structural stability, and separate clamping elements (arms with pads) that apply pressure. This segmentation allows the rigid part to provide structural integrity while the clamping elements provide controlled pressure without excessive heat absorption.
Solution Approach 2:
The compressible material is extracted from the main structural wall and placed only in the clamping pads that contact the substrate. This removes the harmful heat-absorbing material from the heat path while retaining its useful pressure-distributing function at the contact points.
2Ease of operation
If the diameter of the recess wall is larger than the outside diameter of the mug to enable placement, then ease of operation is improved, but clamping precision deteriorates
Solution Approach 1:
The clamping arms are designed to be movable rather than fixed, allowing them to expand outward for easy placement of the substrate, then move inward to apply precise clamping pressure. This dynamic adjustment resolves the contradiction between ease of placement and clamping precision.
Solution Approach 2:
The movable clamping arms act as intermediaries between the large-diameter recess structure and the substrate. They provide a transition mechanism that enables easy placement through the large opening while delivering precise clamping force at the contact points.
3Productivity
If heating is applied before complete clamping is achieved, then productivity is improved, but image quality deteriorates due to premature ink transfer and blurring
Solution Approach 1:
The device enables preliminary clamping action to be completed before heating begins. The quick-clamping mechanism ensures the substrate is securely positioned and the heat transfer sheet is properly aligned prior to thermal processing, preventing premature ink transfer while allowing immediate heating to start once clamping is achieved.
Solution Approach 2:
The invention replaces slow mechanical adjustment systems with a quicker clamping mechanism that can secure the substrate rapidly. This mechanical improvement allows the process to transition faster from clamping to heating, maintaining image quality while improving overall productivity.
4Stress or pressure
If a rigid wall is used to develop sufficient contact pressure, then stress or pressure is improved, but adaptability deteriorates due to limited shape equality
Solution Approach 1:
The device uses rigid structural elements for overall support while employing locally compliant clamping pads at the contact points. This local quality differentiation allows the rigid framework to provide sufficient contact pressure while the localized soft pads adapt to shape variations in different substrates.
Solution Approach 2:
The clamping system combines rigid arms for structural strength with compliant padding materials for shape adaptation. This composite construction enables the device to maintain sufficient contact pressure across various substrate shapes and sizes, improving versatility without sacrificing pressure delivery.
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 provides secure, efficient, and rapid clamping with minimal heat absorption, ensuring optimal heat supply and preventing image blurring, while being suitable for industrial applications.
Implementation Method 1
By heating the heat transfer sheet and the substrate to a predetermined temperature, the ink or toner present on the heat transfer sheet will be transferred onto the substrate
Implementation Method 2
clamping a heat transfer sheet tight against the outer surface of the substrate
Data Source
AI summary
A device for carrying a substrate, for example a drinking cup, and clamping against the substrate, for example against an outer wall of the drinking cup, a clamping sheet, wherein the clamping sheet comprises a flexible and bendable material with a width and a length, said length being measured between longitudinal ends of the clamping sheet, wherein coupling members are provided at longitudinal ends of the clamping sheet, said coupling members comprising rods protruding in the width direction of the clamping sheet. The device is characterized in that the device comprises first recesses for receiving rods of a first width side that are positioned at opposite longitudinal ends of the clamping sheet and comprises second recesses for receiving rods of a second width side that are positioned at opposite longitudinal ends of the clamping sheet, and the device comprises a support member for carrying the device and the substrate.