Film Roll Transfer Mechanism for Automated Packaging Roll Changes
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Solution Overview
Problem
Manual attachment of film rolls to bag making and packaging machines is labor-intensive, requiring workers to repeatedly replace rolls, which is burdensome.
Innovation Solution
A film roll replacement device with a holding section, driving units, and a control unit that automates the process of supplying and removing film rolls to and from the machine, using multiple pushing members to accurately position and transfer rolls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual film roll attachment is used, then the worker can directly handle and position the film roll, but the work burden increases and efficiency decreases
Solution Approach 1:
The system enables automatic film roll replacement where the replacement device autonomously performs attachment operations without continuous human intervention. The control unit coordinates the holding section and pushing members to complete the entire replacement cycle automatically, transforming manual self-service into automated self-service.
Solution Approach 2:
The patent replaces manual mechanical operations with an automated mechanical system. The holding section with pushing members substitutes human hands, and the driving units substitute human muscle power, creating a fully mechanical automated system that performs film roll attachment tasks.
2Productivity
If automated film roll replacement is implemented, then worker burden is reduced and efficiency improves, but device complexity increases
Solution Approach 1:
The replacement device is divided into distinct functional modules: a holding section for gripping the film roll, driving units for movement, and pushing members for positioning. This segmentation allows each component to perform its specific function independently, simplifying the overall system design and maintenance while achieving automated operation.
Solution Approach 2:
The holding section serves multiple functions: it grips the film roll, transports it to the machine, and releases it for attachment. The pushing members both push the film roll during transfer and ensure proper positioning on the roll support, reducing the need for separate specialized components.
3Manufacturing precision
If multiple pushing members are used to accurately position the film roll, then placement precision improves, but device complexity increases
Solution Approach 1:
Different pushing members are positioned at specific locations on the film roll (front and rear ends) to apply localized force. This ensures accurate positioning by pushing at critical points, preventing the film roll from tilting or misaligning during transfer to the roll support.
Solution Approach 2:
The pushing members are integrated with the holding section as a unified assembly. The holding section and pushing members work together as a coordinated system, where the holding section provides grip and the pushing members provide positioning force, eliminating the need for separate independent positioning mechanisms.
Data Source
AI summary
A film roll replacement device supplies a film roll to a bag making and packaging machine, which has a film-roll-supporting part to support the film roll and which manufactures bags containing articles using the film. The film roll replacement device includes a holding section, the driving unit, and a controller. The holding section is located adjacent to the bag making and packaging machine, and the holding section holds the film roll supplied to the bag making and packaging machine. The driving unit moves the holding section. The controller controls an action of the driving unit to move the holding section to move in a first direction toward the supporting part of the bag making and packaging machine and to transfer the film roll held by the holding section to the supporting part.