Printing Machine with Independent Carrier Drives
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Solution Overview
Problem
Conventional printing machines with carousel-like turntables are limited in the number of printing stations they can accommodate due to their fixed diameter, restricting flexibility and capacity for larger formats and multiple printing processes.
Innovation Solution
Each print product carrier is equipped with its own drive, allowing independent movement along a customizable guide track with modular sections, enabling flexible path adaptation and simultaneous execution of various printing processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a carousel-like turntable is used to move print product carriers, then the structure is simple and easy to manufacture, but the diameter cannot be enlarged at will, limiting the number of printing stations
Solution Approach 1:
The printing machine is divided into multiple independent modules: individual print product carriers, separate drives for each carrier, and modular printing stations. This segmentation allows the system to be extended by adding more carriers and stations along the linear guide track without redesigning the entire system, thereby increasing the number of printing stations while maintaining manufacturing simplicity.
Solution Approach 2:
The system transitions from a fixed carousel structure to a dynamic linear configuration where print product carriers can be independently positioned and moved along the guide track. The individual drives enable flexible speed control and positioning, allowing the machine to adapt to different production requirements and accommodate varying numbers of printing stations.
2Adaptability or versatility
If a central drive mechanism is used for carousel machines, then the device complexity is reduced, but the flexibility and adaptability of the printing machine are limited
Solution Approach 1:
The centralized drive is replaced by multiple independent drives, one for each print product carrier. This segmentation allows each carrier to be controlled independently, enabling flexible speed variations, pause operations, and positioning adjustments for different carriers simultaneously, thereby significantly increasing the overall flexibility of the printing machine.
Solution Approach 2:
Each print product carrier is equipped with its own drive mechanism, making it self-propelled and independent. This self-service approach allows each carrier to autonomously navigate the guide track, adjust its own speed and position, and coordinate with other carriers without requiring a complex centralized control system.
3Adaptability or versatility
If the guide track allows branches or bypass routes, then the flexibility of carrier routing is improved, but the device complexity increases due to switches and steering devices
Solution Approach 1:
The guide track is designed with dynamic routing capabilities through movable deflectors or switches that can redirect carriers based on real-time production requirements. This dynamic configuration allows the same physical track to serve multiple routing purposes, providing branching and bypass routes without requiring duplicate fixed track structures.
Solution Approach 2:
Steering devices and switches act as intermediaries between the carriers and the guide track, enabling flexible routing decisions. These intermediary components allow carriers to be redirected to different stations or bypass certain areas as needed, providing routing flexibility while keeping the main guide track structure relatively simple.
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 a significantly larger number of printing stations and carriers, enabling flexible layout, reduced vibrations, and simultaneous execution of multiple printing processes, increasing production capacity to up to 1500 pieces per hour.
Implementation Method 1
The device includes a guideway. The respective transport slides are transported by means of a linear motor.
Data Source
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AI summary
An improved printing machine is characterized by the following characteristics: a base frame (12), at least one printing station, and at least two printing material carriers (40), which can be moved relative to the printing station, the base frame (12) comprises a guide track (20), and the printing material carriers (40) can each be driven by a separate drive (41) and moved along the guide track (20).