Adjustable Tube Sealing Unit for Package Format Changes
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Solution Overview
Problem
Existing packaging machines face challenges in ease of installation, adaptability, and flexibility, particularly in maintaining the correct positioning of the sealing device for forming durable and robust seals during the production of pourable product packages.
Innovation Solution
A sealing unit with a position adjustment system that allows for precise control of the sealing device's position, enabling it to be adjusted in three rotational and three translational degrees of freedom, ensuring accurate sealing of the tube.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the sealing device is arranged in a fixed position, then the sealing structure is simple, but the adaptability and flexibility for installation and format changes are poor
Solution Approach 1:
The sealing device is equipped with a position adjustment system that enables dynamic repositioning in three translational degrees of freedom (x, y, z directions) and three rotational degrees of freedom. This transforms the fixed sealing device into a dynamic one that can adapt to different installation requirements and package formats while maintaining sealing precision.
Solution Approach 2:
The position adjustment system integrates multiple adjustment functions (translational and rotational) into a single mechanism, making the sealing device universally applicable to various package types and installation scenarios. This multi-functional capability resolves the contradiction between adaptability and complexity by providing versatile positioning without requiring multiple separate devices.
2Ease of operation
If the sealing device is arranged in a fixed position, then the device structure is simple, but the ease of installation and format changes is poor
Solution Approach 1:
The adjustable position system allows operators to easily reposition the sealing device during installation or format changes by adjusting the six degrees of freedom (three translational, three rotational). This dynamic capability significantly improves ease of installation and reconfiguration compared to fixed positioning, while the integrated adjustment mechanism keeps the added complexity manageable.
3Productivity
If the sealing device position is fixed, then the device is stable, but the downtime for repositioning and format changes is high
Solution Approach 1:
The position adjustment system enables rapid repositioning of the sealing device when format changes or reconfiguration are needed. By providing adjustable positioning in six degrees of freedom, the system minimizes the time required to adapt to new package types or installation scenarios, thereby reducing downtime and improving overall productivity.
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
Enhances the ease of installation, improves adaptability and flexibility, reduces downtime, and allows for rapid format changes in packaging machines by ensuring consistent and robust sealing of packages.
Implementation Method 1
The nozzle is configured to supply hot air at such region
Data Source
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AI summary
There is described a sealing unit (6) for sealing a tube (3) of packaging material for the production of packages (2) containing a pourable product, the sealing unit (6) comprises: a sealing device (11) configured to be arranged in a position adjacent to the tube (3) and to provide the tube (3) with a longitudinal seal (12); and a position adjustment system (13) coupled with the sealing device (11) and configured to adjust a position of the sealing device (11) with respect to the tube (3).