Movable Star Wheels Buffering Asynchronous Container Throughput
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Solution Overview
Problem
Existing container treatment devices face challenges in synchronizing the intake rate with the processing rate of container treatment machines, leading to short-term asynchronous issues that require a temporary buffer to compensate for capacity differences.
Innovation Solution
The container treatment device employs a transport system with multiple transporters arranged in a row, allowing containers to be transferred directly between transport stars at specific transfer points. The position of the rotary axes of movable transport stars can be adjusted horizontally to change the transport route's length, creating an additional buffer zone when needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the transport route length is increased to create a buffer zone, then the capacity to accommodate throughput asynchrony is improved, but the transport device complexity and space requirements worsen
Solution Approach 1:
The transport star wheels are designed with movable rotation axes that can be dynamically repositioned along guide rails. This dynamic configuration allows the transport route length to be adjusted in real-time, creating or reducing buffer zones according to throughput requirements without permanently increasing device complexity
Solution Approach 2:
The system changes the geometric parameter of the transport route by repositioning the rotation axes of transport star wheels. This parameter change (position of rotation axes) directly controls the buffer capacity, allowing the system to adapt to varying throughput conditions without adding fixed structural complexity
2Adaptability or versatility
If the position of transport star wheels is adjusted to extend the transport path, then the buffer zone capacity is improved, but the risk of container transfer errors at misaligned transfer points worsens
Solution Approach 1:
A control system continuously monitors the positions of transport star wheels and container transfer status. This feedback mechanism ensures that transfer operations are only initiated when transfer points are properly aligned, preventing transfer errors even when the transport path is extended through repositioning
Solution Approach 2:
The system performs preliminary alignment checks and positioning adjustments before container transfer operations. The rotation axes are repositioned to extend the buffer zone only when no transfer is actively occurring, and alignment is verified before resuming transfers, thus maintaining reliability
3Reliability
If fixed transport routes are used to ensure reliable container transfer, then the transfer reliability is improved, but the ability to compensate for throughput asynchrony worsens
Solution Approach 1:
The transport system transitions from fixed to dynamic routes. Transport star wheels with movable rotation axes can reposition to create extended transport paths that serve as buffer zones, while maintaining reliable transfer through controlled alignment procedures
Solution Approach 2:
The transport star wheels serve multiple functions: they perform container transfer operations and simultaneously function as adjustable buffer zone elements. This multi-functionality allows the same components to ensure both transfer reliability and throughput synchronization
Data Source
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AI summary
The invention relates to a container-handling apparatus (10) having a transporting apparatus (14) which is arranged at least upstream of a container-handling machine and has a plurality of star-shaped wheels (20a-c; 30a-g), which are arranged one behind the other and, over their circumference, have container holders (23) which are designed to grip containers, wherein the plurality of star-shaped wheels (20a-c; 30a-g) are arranged one behind the other such that a container is transferred, at a common transfer point, from a star-shaped wheel (20a-c; 30a-g) preceding it to one following it. According to the invention, the position of the axes of rotation (32c-e) of at least two star-shaped wheels (20a-c; 30c-e) which follow one after the other can be moved in the horizontal plane between star-shaped wheels which are fixed ahead of the same, and behind the same, as seen in the transporting direction.