Compact Image Engraving Device Using Vertical Stacking and Integrated Conveyance
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Solution Overview
Problem
Conventional automatic continuous image engraving devices have a long transfer path, leading to increased device size and inefficiencies in card positioning and image engraving accuracy, with issues of card stacking and orientation errors causing wasteful and inaccurate engravings.
Innovation Solution
The device incorporates a medium dispenser that adsorbs stacked card-shaped media from the top, moves them linearly between unengraved and engraved media accommodating parts, and uses sensors for abnormality detection, along with a nozzle for separating stuck cards, to ensure accurate positioning and compact device design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If cards are conveyed sequentially through multiple separate units (card dispenser, read/write unit, card positioning part, card conveying part), then data reading/writing and positioning functions are achieved, but the transfer path becomes elongated and device size increases
Solution Approach 1:
The patent combines the card conveying function with the image engraving function into a single integrated unit. The conveying part not only transports cards but also positions them for engraving and maintains them during the engraving process. This merging of functions eliminates the need for separate positioning parts and reduces the overall transfer path length, directly resolving the contradiction between automation and device size.
2Productivity
If cards are conveyed through a long transfer path between unengraved and engraved media accommodating parts, then continuous processing is achieved, but positioning accuracy decreases and device size increases
Solution Approach 1:
The patent segments the card handling process into distinct phases within a compact unit: conveyance, positioning, and engraving. The conveying part is designed to perform multiple functions (transport and positioning) in sequence within a short space, rather than using a long continuous path. This segmentation allows continuous processing while maintaining positioning accuracy by resetting the card position at each stage.
Solution Approach 2:
The patent utilizes vertical stacking of media accommodating parts (unengraved and engraved cards stored in different layers) to reduce the horizontal transfer path length. By conveying cards in a compact horizontal distance and using vertical space for storage capacity, the system maintains continuous processing capability while improving positioning accuracy and reducing device footprint.
3Adaptability or versatility
If multiple separate functional units are used for card handling, then comprehensive processing functions are achieved, but device complexity and installation space increase
Solution Approach 1:
The conveying part is designed as a multi-functional unit that performs card conveyance, positioning, and support during engraving operations. This universal unit replaces what would traditionally require separate dedicated components for each function, thereby reducing device complexity while maintaining comprehensive processing capabilities including data reading, writing, and image engraving.
4Speed
If card stacking and orientation errors occur during conveyance, then handling speed may be maintained, but engraving accuracy decreases and wasteful engravings occur
Solution Approach 1:
The patent incorporates sensors that detect card presence, orientation, and positioning status during conveyance. This feedback mechanism allows the system to verify correct card orientation before engraving and to correct positioning errors automatically. By implementing feedback control, the system maintains both high handling speed and high engraving accuracy, preventing wasteful engravings on improperly positioned cards.
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 configuration allows for compact device installation, accurate image engraving, and efficient card handling, reducing wasteful engravings by ensuring proper card orientation and positioning, while maintaining a compact device footprint.
Implementation Method 1
a medium dispenser that adsorbs a highest one of the stacked unengraved card-shaped engraving media from an upper part of the unengraved medium accommodating part
Data Source
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AI summary
Provided are an automatic continuous image engraving device capable of decreasing in size of an installing space of the device. The device comprises an unengraved medium accommodating part 3, an engraved medium accommodating part 5, a medium dispenser 7, a medium positioning and conveying part 9, and an image engraving part 11, wherein the medium dispenser 7 releases the unengraved card-shaped engraving medium to cause the same to be succeeded at the succeeding position TOP, the medium positioning and conveying part 9 returns the engraved card-shaped engraving medium after image engraving from the engraving position EGP to the succeeding position TOP, and the medium dispenser 7 adsorbs the engraved card-shaped engraving medium at the succeeding position TOP, moves the same upward, travels above the engraved medium accommodating part 5, and releases the engraved card-shaped engraving medium to be accommodated.