Modular Embossing Stamp with Composite Half-Shells
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Solution Overview
Problem
Existing embossing stamps require high manufacturing costs due to numerous individual parts, are heavy and difficult to handle, and often require high forces to operate, leading to user discomfort and potential damage during the embossing process.
Innovation Solution
A modular embossing stamp design using plastic-metal combinations with half-shells and connecting means, featuring a lever with a power ratio optimization and ergonomic handle placement, which reduces weight, improves stability, and simplifies assembly, allowing for easier operation with less force.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If numerous individual parts are used to construct the embossing stamp, then the structural strength and stability are improved, but the manufacturing cost increases and the device becomes complex
Solution Approach 1:
The patent combines multiple individual parts into integrated components. The base unit integrates the retaining device and operating device into a single structural unit, reducing the number of separate parts while maintaining structural strength through unified design. The lever mechanism is integrated directly into the base unit rather than being separate components.
Solution Approach 2:
The base unit serves multiple functions simultaneously: it provides structural support, houses the retaining device for die plates, and contains the operating device for applying force. This multi-functionality reduces the need for separate dedicated components for each function, thereby reducing overall device complexity.
2Strength
If the embossing stamp is constructed from metal to withstand high compressive forces, then the strength and stability are improved, but the weight increases making it difficult to handle
Solution Approach 1:
The patent employs composite construction combining metal and plastic materials. Critical load-bearing components are made from metal to provide necessary strength, while non-critical components are made from plastic to reduce weight. This composite approach allows the embossing stamp to withstand high compressive forces during operation while remaining lighter and easier to handle than fully metal constructions.
3Power
If the operating device is designed with long power arms to amplify force, then the mechanical advantage is improved, but the device dimensions increase and becomes less ergonomic
Solution Approach 1:
The patent optimizes the lever mechanism by changing the spatial arrangement from a linear configuration to a more compact, multi-dimensional layout. The operating device is designed with optimized power arm lengths that provide sufficient mechanical advantage while fitting within a compact footprint, allowing the lever to pivot effectively within the base unit without extending excessively in any single direction.
4Weight of moving object
If the base unit is made with thin lamellar side walls to reduce weight, then the weight is reduced improving handling, but the stability and ability to withstand forces decreases
Solution Approach 1:
The base unit employs composite construction with thin lamellar side walls made from lightweight materials combined with reinforcing elements. The thin walls reduce weight and improve handling, while strategic reinforcement structures maintain stability and resistance to compressive forces during operation.
Solution Approach 2:
The base unit features non-uniform wall thickness and localized reinforcement at critical stress points. The lamellar side walls are thin where weight reduction is prioritized, while thicker reinforcement sections are positioned at locations subject to high compressive forces, providing local quality variation that balances weight and stability requirements.
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 modular design results in a lightweight, stable, and ergonomic embossing stamp that requires less force to produce high-quality impressions, is easier to manufacture, and provides improved handling and assembly, while minimizing material usage and costs.
Implementation Method 1
The operating device is constructed such that it acts directly or indirectly on the retaining device... the operating device is formed by a lever which is divided into two power arms... The moment of the first force P1 and the moment of the second force P2 are identical.
Data Source
AI summary
The invention describes an embossing stamp comprising at least a base unit in which a retaining device is disposed on one side to retain a die plate holder and an operating device is disposed on a further side. The operating device is constructed such that it directly or indirectly acts on the retaining device, wherein a pivot of the operating device is disposed in the base unit. The base unit and/or the operating device are modular in construction, wherein the side walls are at least partially formed by panels which are positioned with respect to each other and fastened via half-shells and/or connecting means.