Modular Numbering Machine Drive Module for Easy Maintenance
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Solution Overview
Problem
Existing numbering machines are difficult to maintain and repair, especially when faults occur in the drive unit, requiring precise repositioning of components which is challenging for non-experts and can lead to downtime in printing processes.
Innovation Solution
A modular design for the numbering machine where the numbering unit and drive module can be removed as a complete assembly, with fixed relative positioning, allowing for easy maintenance and fault rectification, and featuring a carrier with recesses for motors and control electronics to simplify cable routing and reduce installation space requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the numbering machine is designed as a compact unit with integrated drive units, then the installation space is reduced, but the ease of maintenance and repair deteriorates
Solution Approach 1:
The numbering machine is divided into modular components: a numbering unit with digit wheels and a drive module with multiple drive units. Each drive unit can be independently removed from the carrier, allowing maintenance personnel to access and replace individual motors and cabling without disassembling the entire compact structure. This segmentation enables easy repair while maintaining the compact overall design.
2Manufacturing precision
If the numbering machine requires precise repositioning of components during assembly, then the manufacturing precision is improved, but the ease of operation deteriorates
Solution Approach 1:
The drive units are pre-assembled on a carrier with fixed relative positioning. The carrier includes pre-positioned mounting locations and alignment features that ensure correct positioning when the numbering unit and drive module are assembled. This preliminary arrangement of components eliminates the need for complex precision alignment during final assembly, making the process accessible to less experienced workers.
3Device complexity
If the drive units are integrated into a single assembly, then the device complexity is reduced, but the ease of repair deteriorates
Solution Approach 1:
While the drive units are integrated on a common carrier for structural simplicity, each drive unit is designed as an independent removable module. The carrier includes individual mounting features that allow each drive unit to be separately accessed and replaced. This segmentation at the module level enables easy repair of individual faults while maintaining overall structural integration.
Solution Approach 2:
Each drive unit can be extracted from the carrier independently. When a fault occurs in a specific drive unit, that unit can be removed and replaced without affecting other drive units or requiring disassembly of the entire drive module. This extraction capability simplifies repair operations while maintaining the integrated design.
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 simplifies maintenance, allows quick adjustment of printing character combinations, and enables less experienced workers to assemble and maintain the machine with precision, reducing downtime and increasing operational reliability.
Implementation Method 1
a drive pinion arranged on the drive shaft for driving the gear wheel
Data Source
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AI summary
The machine (100) has housing (180) inside which number wheel (110) is located. The number wheel has wheel axle on which adjustable digit wheels are rotatably arranged. The digit wheels are associated with gear to be driven, and drive module (140) has drive units that are connected to drive shaft (143c). The drive shaft is connected to drive pinion (143d) for driving the gear. A motor (143a) is connected to drive shaft for rotating drive shaft so that number wheel is set in rotation. Fixing units are provided for connecting drive module removably with number wheel.