Sealing Jaw Heating Unit Decoupled from Process Forces
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Solution Overview
Problem
Existing sealing devices face challenges in efficiently transferring heat to packaging films while minimizing process and connecting forces, which can lead to reduced heating performance and increased maintenance needs.
Innovation Solution
A sealing device with a thermally conductive sealing unit and a heating unit decoupled from process and connecting forces using spring-elastic bearing elements, allowing for efficient heat transfer and dynamic heating behavior, and enabling easy replacement of sealing units without affecting the heating unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the heating unit is directly connected to the sealing unit to ensure stable heating, then heating reliability is improved, but the heating unit is subjected to high process and connecting forces causing increased wear and maintenance needs
Solution Approach 1:
The device separates the heating unit from the sealing unit by introducing bearing elements as intermediate components. This segmentation allows the heating unit to be mechanically decoupled while maintaining thermal contact, so that process and connecting forces act on the sealing unit without being transmitted to the heating unit, thereby reducing wear on the heating unit while preserving heating reliability
Solution Approach 2:
Bearing elements are introduced as intermediary components between the heating unit and the sealing unit. These bearing elements serve as mediators that support the heating unit and allow it to remain in thermal contact with the sealing unit while preventing the transmission of mechanical forces, thus protecting the heating unit from wear caused by process and connecting forces
2Ease of repair
If the heating unit is decoupled from process forces to reduce wear, then maintenance needs are reduced, but heat transfer efficiency may be compromised
Solution Approach 1:
The device segments the mechanical connection from the thermal connection by using bearing elements. This allows the heating unit to be decoupled from process forces for reduced maintenance while maintaining continuous thermal contact through the bearing elements, preventing energy loss in heat transfer
Solution Approach 2:
The bearing elements act as intermediaries that simultaneously fulfill two functions: they support the heating unit to prevent transmission of mechanical forces (reducing maintenance needs) while maintaining thermal contact to ensure efficient heat transfer (preventing energy loss)
3Power
If the sealing unit is made of thermally conductive material to improve heat transfer, then heating performance is improved, but the sealing unit becomes more sensitive to forces affecting heating stability
Solution Approach 1:
The device segments the heating unit from the sealing unit using bearing elements, allowing the sealing unit to be made of highly thermally conductive material for improved heating performance while the bearing elements protect against transmission of forces that could affect heating stability
Solution Approach 2:
The bearing elements serve as intermediaries that allow the sealing unit to have high thermal conductivity for improved heating performance while preventing the transmission of process and connecting forces to the heating unit, thus protecting heating stability from force-related disturbances
4Adaptability or versatility
If the heating unit is made movable to allow sealing unit replacement, then adaptability is improved, but device complexity increases
Solution Approach 1:
The device segments the heating unit from the sealing unit using bearing elements, enabling independent replacement of the sealing unit while keeping the heating unit in place. This segmentation provides adaptability for different sealing units without requiring complex reconfiguration of the heating system
Solution Approach 2:
The bearing elements act as intermediaries that enable the heating unit to be movably mounted, allowing easy replacement of sealing units while the bearing elements themselves provide a simple, standardized interface that does not significantly increase device 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
The solution minimizes process and connecting forces acting on the heating unit, ensuring efficient and uniform heat transfer, reducing wear, and allowing for fast and dynamic heating, as well as user-friendly and low-maintenance operation.
Implementation Method 1
The sealing unit is made of a thermally conductive material, particularly a metal and/or a metal alloy, to facilitate heat transfer to a packaging film
Implementation Method 2
at least one bearing element provided for movably mounting the at least one heating unit... at least one bearing element intended to apply a contact force to at least one heating unit against the sealing unit
Data Source
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AI summary
The invention relates to a sealing device, in particular a sealing jaw, with at least one, in particular interchangeable, sealing unit (12a; 12b) for creating a seal, with at least one heating unit (14a; 14b) for heating the sealing unit (12a; 12b), and with at least one bearing element (16a; 16b, 18a; 18b) provided for movably mounting the at least one heating unit (14a; 14b). It is proposed that the sealing device comprises at least one decoupling unit (20a; 20b) provided for at least partially decoupling the at least one heating unit (14a; 14b) from at least one process force and/or connecting force acting on the sealing unit (12a; 12b).