Mandrel Wheel Cooling Distribution Elements
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Solution Overview
Problem
Mandrel wheels for packaging production face challenges in efficient cooling due to mixing of fresh and used cooling mediums, leading to reduced cooling capacity and processing speed, particularly with complex structural adaptations required for multiple mandrel groups.
Innovation Solution
A mandrel wheel design featuring separate inlets and outlets for each mandrel group, connected by distribution elements that ensure all mandrels receive fresh cooling medium and discharge used medium without mixing, allowing for improved cooling efficiency and adaptable distribution elements for various configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If separate inlet and outlet lines are provided for each mandrel, then cooling capacity is improved, but device complexity increases
Solution Approach 1:
The mandrels are divided into separate mandrel groups, with each group having its own dedicated inlet and outlet lines for cooling medium. This segmentation ensures that cooling medium flows through each group independently without mixing with used cooling medium from other groups, thereby maintaining high cooling capacity while organizing the complex cooling system into manageable modular units.
Solution Approach 2:
Distribution elements are introduced as intermediary components that connect the inlet lines to multiple mandrel groups and collect effluent from outlet lines. These distribution elements simplify the overall system architecture by providing centralized connection points, reducing the number of direct connections needed between individual mandrels and the main cooling system.
2Device complexity
If series connection of cooling medium is used, then device complexity is reduced, but cooling capacity decreases due to mixing of fresh and used cooling medium
Solution Approach 1:
The cooling system is segmented into parallel circuits, with each mandrel group having its own dedicated inlet and outlet lines. This prevents the series connection problem where used cooling medium would flow back to cool other mandrels, ensuring that all mandrels receive fresh cooling medium simultaneously without thermal interference between groups.
3Productivity
If multiple mandrel groups are added to increase productivity, then processing speed is improved, but device complexity increases due to additional cooling medium distribution requirements
Solution Approach 1:
Multiple mandrel groups are organized with dedicated inlet and outlet lines for each group, allowing independent cooling circuits. This segmentation enables the system to handle multiple mandrels simultaneously without thermal interference, thereby increasing productivity while maintaining manageable complexity through modular organization.
Solution Approach 2:
The distribution elements are designed to serve multiple mandrel groups simultaneously, providing a universal connection system that can accommodate different numbers and configurations of mandrel groups. This multi-functionality allows the same basic distribution element design to be used across different system configurations, reducing overall complexity.
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 enhances cooling capacity, increases processing speed, and simplifies the structural setup by ensuring all mandrels receive fresh cooling medium, leading to more efficient and even cooling of packaging casings across multiple groups.
Implementation Method 1
each mandrel has a cavity for the cooling medium, which is connected to an inlet and an outlet separate therefrom
Data Source
Figure 1
Figure 2
AI summary
The invention relates to a mandrel wheel (1) for producing packagings, comprising: a mandrel wheel shaft (2) having a center axis (3), a plurality of mandrels (4) fastened to the mandrel wheel shaft (2), a feed (7) for a cooling medium, and a discharge (8) for the cooling medium, wherein the mandrels (4) form at least one mandrel group (5A), the mandrels (4) of which are arranged in a plane (6A) perpendicular to the center axis (3) of the mandrel wheel shaft (2), and wherein each mandrel (4) has a cavity (9) for the cooling medium, which cavity is connected to an inlet (10) and an outlet (11) separated from the inlet. In order to achieve improved cooling of the mandrels (4), at least one distributing element (12A) is provided, which connects all the inlets (10) of a mandrel group (5A) to the feed (7) and which connects all the outlets (11) of the same mandrel group (5A) to the discharge (8).