Imprinter Roller Elastic Support for Embossed Card Transcription
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Solution Overview
Problem
Conventional imprinters require complex adjusting operations to achieve high-quality transcription of embossed information from cards to print paper, often resulting in blotted and dirty transcriptions due to height errors and the need for precise positioning of rollers.
Innovation Solution
An imprinter with a roller made of hard material that rotates in point contact with the card, featuring an elastic mechanism with spring ribs or soft synthetic gum between the outer periphery and center boss, allowing radial deformation to compensate for height errors and eliminate the need for user-adjusted positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a roller of hard material is used for imprinting, then clear and high quality transcription is obtained, but the embossed parts sink into the roller causing blotted and dirty transcription
Solution Approach 1:
The roller shaft is made movable in the vertical direction through elastic members (coil springs) that allow dynamic adjustment. The roller can move up and down to maintain optimal contact with the card surface, adapting to variations in card thickness and embossed part height, thereby preventing the embossed parts from sinking into the roller while maintaining clear transcription.
Solution Approach 2:
The elastic members change the vertical position parameter of the roller shaft dynamically. By allowing the roller shaft to move vertically within a certain range, the system adapts to different card specifications and maintains the roller at the optimal height for clear transcription without embossed parts sinking in.
2Manufacturing precision
If an adjusting mechanism is provided to position the ink roller at the correct height, then optimum transcription quality is achieved, but the adjusting operation becomes troublesome and complex
Solution Approach 1:
The elastic members (coil springs) automatically adjust the roller shaft position based on the card thickness and embossed part height. The system performs self-adjustment without requiring user intervention, eliminating the need for complex manual adjusting mechanisms while maintaining optimal transcription quality.
Solution Approach 2:
The roller shaft is designed to be dynamically adjustable through elastic members, allowing automatic adaptation to different card specifications. This dynamic design replaces complex manual adjusting mechanisms with a simple, self-adjusting system that maintains optimal positioning without user intervention.
3Manufacturing precision
If the roller is made of hard material and kept in point contact with the card, then clear transcription is obtained, but precise positioning and adjusting operations are required
Solution Approach 1:
The roller shaft is made movable through elastic members, allowing the hard roller to maintain point contact with the card for clear transcription while automatically adapting to position variations. This dynamic positioning eliminates the need for complex adjusting mechanisms, as the elastic members absorb position variations and maintain optimal contact.
Solution Approach 2:
The elastic members (coil springs) provide beforehand cushioning by pre-positioning the roller shaft at the optimal height and allowing it to adapt to card thickness variations. This cushioning effect compensates for position variations before they affect transcription quality, eliminating the need for complex positioning mechanisms.
4Ease of operation
If elastic members are provided to support the roller shaft, then the adjusting range is increased and user adjustment is eliminated, but the structure becomes more complex
Solution Approach 1:
The elastic members (coil springs) enable the roller shaft to automatically adjust to the optimal position based on card thickness and embossed part height. This self-service mechanism eliminates the need for user adjustment operations while adding minimal structural complexity, as the elastic members are simple components that provide both support and automatic positioning.
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 enables clear and high-quality transcription without user-adjusted roller positioning, increasing the adjusting range and ensuring consistent print quality by radially deforming the roller to absorb height errors, thus simplifying the imprinting process.
Implementation Method 1
elastic means provided between the outer periphery and the center boss of the roller, the elastic means being radially deformed during imprinting operation to cause the outer periphery of the roller to radially move relative to the center axis of the roller shaft
Data Source
AI summary
An imprinter includes a printing base for mounting a card and a print paper to be imprinted on a predetermined area thereof, a carriage that is movable above the printing base, a roller includes a hard material and is provided as is housed within the carriage for transcribing the information represented as embossed on a card, a roller shaft for fixedly supporting the roller, bearings for rotatably supporting the roller shaft at a position of a predetermined height from the card mounting surface of the printing base, and an elastic mechanism provided between the bearings and the roller shaft, the elastic mechanism being radially deformed during an imprinting operation to cause the roller to radially move relative to the bearings so that the embossed information of the card may be transcribed onto the print paper.