Rotatable Cross-Seam Sealing Jaws for Diverse Packaging Formats
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Solution Overview
Problem
Existing packaging material sealing devices struggle with flexibility in sealing different sizes and shapes of packaging materials, requiring manual adjustments and inefficient sealing processes.
Innovation Solution
A packaging material sealing device with rotatable sealing jaws and a movement unit allowing clearance for rotation, controlled by actuators and a control unit, enabling adjustable sealing forces and angles to accommodate various material configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sealing jaws are mounted diagonally to produce slanted sealing seams, then sealing capability for specific packaging shapes is improved, but adaptability to different packaging material sizes and styles deteriorates
Solution Approach 1:
The sealing jaws are made rotatable about an axis perpendicular to the sealing direction, transforming from a fixed diagonal mounting to a dynamically adjustable configuration. This allows the sealing jaws to adapt their angle relative to the transport direction depending on the packaging material being sealed, resolving the contradiction between maintaining reliable sealing capability and achieving versatility across different packaging types
2Device complexity
If sealing jaws are fixed in position, then device complexity is reduced, but adaptability to different packaging material configurations deteriorates
Solution Approach 1:
A rotation mechanism with adjustable angular position is introduced to allow the sealing jaws to rotate about an axis perpendicular to the sealing direction. This dynamic element enables the device to adapt to different packaging material configurations while maintaining a relatively simple overall structure through the use of a single rotational degree of freedom
3Ease of operation
If manual adjustments are required for different sealing configurations, then ease of operation deteriorates, but device complexity is reduced
Solution Approach 1:
The rotation mechanism is designed to be automatically adjustable, allowing the sealing jaws to be positioned at different angles without requiring manual intervention for each packaging type. The system serves itself by enabling easy reconfiguration through the rotational mechanism, improving ease of operation while keeping the added complexity minimal
Data Source
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AI summary
The invention is based on a packaging material sealing device (12), in particular cross seam packaging material sealing device for a vertical packaging machine, comprising: a first sealing jaw (16) and at least a second sealing jaw (18); at least one movement unit (20) for actuating the two sealing jaws (16, 18) along a sealing direction (30); and at least one control unit (32). It is proposed that in at least one operating state the control unit (32) controls a rotation of the two sealing jaws (16, 18) relative, in particular perpendicular, to a transport direction (72) of a packaging material (14, 14').