Bead Feeding Unit Guiding Grooves Tobacco Filter Production
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Solution Overview
Problem
Existing bead feeding systems in the tobacco industry face challenges in maintaining bead integrity and high efficiency during high-speed filter production, often requiring complex constructions and space due to the need to change bead diameter for correct transfer, leading to potential bead damage and inefficiencies.
Innovation Solution
A bead stream feeding unit that utilizes guiding grooves on two overlapping plates to control bead position, allowing for transformation of beads from a first arc radius to a second, enabling precise transfer and maintaining bead integrity through controlled movement along guiding channels, suitable for use in high-efficiency filter manufacturing machines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex bead transfer mechanisms are used to ensure correct bead transfer at high speeds, then bead transfer reliability is improved, but device complexity increases and more space is required
Solution Approach 1:
The bead transfer mechanism is divided into multiple independent guiding plates (first guiding plate, second guiding plate, third guiding plate) that can be separately designed and adjusted. Each plate has its own guiding grooves that work together to control bead movement through the transfer unit, allowing complex bead paths to be achieved through simple, modular components rather than a single complex mechanism
Solution Approach 2:
The guiding grooves act as intermediaries between the bead input and output positions. The grooves on different plates create a controlled path that guides beads through the transfer unit, mediating the transfer process and ensuring reliable bead movement without requiring complex active control mechanisms
2Reliability
If complex bead transfer mechanisms are used to ensure correct bead transfer at high speeds, then bead transfer reliability is improved, but the space required increases
Solution Approach 1:
The bead transfer is achieved by stacking guiding plates in the vertical dimension rather than arranging transfer mechanisms horizontally. Multiple guiding plates are positioned at different heights, with their grooves intersecting to create three-dimensional bead paths, effectively utilizing vertical space to reduce the horizontal footprint of the transfer unit
3Manufacturing precision
If vacuum transfer is used to pick up beads from rotating channels, then bead transfer precision is improved, but device complexity and space requirements increase
Solution Approach 1:
The guiding grooves on the guiding plates passively guide beads through the transfer unit using the beads' own momentum and gravity, without requiring active vacuum pickup or complex transfer wheels. The groove geometry itself provides the positioning and guidance functions, allowing the system to use the beads' natural properties rather than requiring active control mechanisms
4Manufacturing precision
If bead diameter is changed to ensure correct transfer, then bead transfer accuracy is improved, but bead integrity is compromised due to potential damage
Solution Approach 1:
The guiding plates are designed with movable components that can dynamically adjust their position and orientation during operation. This allows the guiding grooves to adapt to different bead sizes and transfer requirements without requiring physical changes to the beads themselves, maintaining bead integrity while achieving accurate transfer through dynamic mechanism adjustment
Data Source
AI summary
The subject matter of the application is a method of feeding beads in the tobacco industry system, in a unit for transferring a stream of beads (2), from receiving pockets (18) to outfeeding pockets (21, 21′), where the beads are transferred along guiding grooves (5A, 5B, 6A, 6B, 6C) disposed on guiding plates (5, 5′, 6, 6′), comprising the steps in which: the beads are fed to a guiding chamber (22, 22′, 22″) formed at the intersection of the guiding groove (5A, 5B) of the first guiding plate (5, 5′) and the guiding groove (6A, 6B, 6C) of the second guiding plate (6, 6′); at least one guiding plate is rotated relative to the second guiding plate, which forces the movement of the guiding chamber (22, 22′, 22″) so that the distance of the guiding chamber (22, 22′, 22″) to the axis of rotation of the guiding plates changes; the beads are conveyed from the guiding chamber (22, 22′, 22″) to the outfeeding pocket (21, 21′). The subject matter of the application is also a device for the implementation of the method.