Movable Extraction Hood for Labeling Machine Vapor Control
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Solution Overview
Problem
Existing labeling machines face challenges in optimally evacuating solvent vapors from the glue roller due to the need for maintenance access, leading to suboptimal extraction hood placement and interference with operator operations.
Innovation Solution
A movable extraction hood that can transition between active and inactive positions, allowing optimal vapor collection during operation and clear access for maintenance by moving closer to or away from the adhesive application assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the extraction hood is placed closer to the glue roller for optimal vapor extraction, then the vapor extraction efficiency is improved, but the access for maintenance operations deteriorates
Solution Approach 1:
The extraction hood is made movable relative to the labeling assembly, allowing it to transition between a first position for optimal vapor extraction and a second position for maintenance access. This dynamic positioning resolves the contradiction by enabling the system to adapt its configuration based on operational requirements.
Solution Approach 2:
The extraction hood is divided into movable and stationary parts, with the movable portion able to shift between positions. This segmentation allows the extraction function to be optimized during operation while providing clear access during maintenance, separating the conflicting requirements spatially and temporally.
2Ease of operation
If the extraction hood is placed farther from the glue roller to allow maintenance access, then the ease of operation is improved, but the vapor extraction efficiency deteriorates
Solution Approach 1:
The extraction hood's movable design allows it to be positioned at a distance during maintenance operations, improving operator access, and moved closer during normal operation to optimize vapor extraction. This dynamic adjustment resolves the contradiction by satisfying both requirements at different times.
3Device complexity
If the extraction hood is fixed in position, then the device complexity is reduced, but the adaptability to different operational needs deteriorates
Solution Approach 1:
The extraction hood incorporates a movable mechanism that allows position adjustment between operational modes. While this adds some complexity, it provides the adaptability needed to switch between optimal vapor extraction and maintenance access configurations, resolving the contradiction between structural simplicity and operational flexibility.
Solution Approach 2:
The extraction hood is designed to perform multiple functions: optimal vapor extraction during operation and providing clear access during maintenance. This multi-functionality justifies the added complexity by enabling the single device to adapt to different operational requirements without requiring separate systems.
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
Ensures efficient vapor extraction while allowing easy access for maintenance, enhancing operational safety and compactness, and maintaining structural simplicity.
Implementation Method 1
a rotating drum arranged at the exit of the unwinding assembly and designed to receive the label ribbon provided by the unwinding assembly and retain it in adhesion, on its own lateral surface, by virtue of suction ports formed on its lateral surface
Implementation Method 2
During the operation of the machine, at the glue roller, adhesive or solvent fumes and vapors are generated which must be expelled into the outside environment
Data Source
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AI summary
A labeling machine comprising a conveyor (2) for moving the containers (3) to be labeled along an advancement path and at least one labeling assembly (5) arranged along the advancement path and provided with labeling means (6) adapted to apply at least one respective label (7) to the containers (3) that transit on the conveyor (2). The labeling means (6) comprise at least one adhesive application assembly (10) designed to supply adhesive to the labels (7) before their transfer to the containers (3); at least one extraction hood (11) is mounted on the labeling assembly (5) and can move on command, with respect to the labeling assembly (5), between an active position, in which it is arranged above the adhesive application assembly (10), and an inactive position, in which it is arranged at least partially outside of the work area of the labeling means (6).