Labeling Machine Elastic Skids for Glue Application Precision
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Solution Overview
Problem
Conventional labeling machines require extreme geometric precision in the construction and positioning of the drum and skids to ensure proper glue application, which complicates manufacturing and increases costs.
Innovation Solution
The use of elastically yielding skids made from materials like rubber or silicone, which can deform to compensate for manufacturing errors and assembly imprecision, allowing for simpler construction and reduced precision requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional rigid skids and precise positioning are used, then glue application precision is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The patent changes the physical parameter of the skid material from rigid to elastically yielding (such as rubber or silicone). This material property change allows the skid to deform and adapt to positioning variations, maintaining glue application precision while tolerating less precise manufacturing and assembly. The elastic deformation compensates for dimensional tolerances in the drum and skid construction.
Solution Approach 2:
The patent employs flexible skids made of elastically yielding materials that can deform under the pressure of the glue roller. This flexibility allows the skid to conform to the drum surface and maintain proper contact with the label ribbon despite variations in manufacturing precision. The flexible material absorbs positioning errors while ensuring consistent glue application.
2Manufacturing precision
If conventional rigid skids with precise positioning are used, then glue application quality is improved, but production cost increases
Solution Approach 1:
By changing the material parameter from rigid to elastically yielding, the patent reduces the need for high-precision manufacturing processes. The elastic material naturally compensates for dimensional variations, allowing standard manufacturing tolerances to be used instead of expensive precision machining and assembly procedures.
Solution Approach 2:
The elastically yielding skids can be manufactured more cheaply with standard tolerances. While individual skids may have shorter service lives due to wear from elastic deformation, the lower manufacturing cost and ease of replacement offset this, resulting in lower overall production costs compared to precision-machined rigid skids.
3Ease of manufacture
If elastically yielding skids are used, then manufacturing precision requirements are reduced, but structural rigidity decreases
Solution Approach 1:
The patent changes the material parameter to elastically yielding while carefully selecting materials (such as rubber or silicone) that provide sufficient rigidity for the application. The elastic modulus is chosen to be high enough to maintain structural integrity and support the glue roller pressure, yet low enough to provide elastic deformation for tolerance compensation. This optimized parameter balance achieves both reduced manufacturing requirements and adequate structural strength.
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
Enables optimal glue application without the need for precise manufacturing, enhancing reliability and safety while reducing production costs.
Implementation Method 1
the skid (11) is made, at least in the relief portion (12) thereof, of an elastically yielding material
Data Source
AI summary
A labeling machine includes a conveyor to move containers to be labeled along an advancement path and at least one labeling station arranged along the advancement path. The labeling station includes an unreeling assembly for a label ribbon, on which multiple labels are printed in succession, and at least one drum designed to receive on its lateral surface the label ribbon or the labels obtained by cutting the label ribbon. At least one skid is arranged at the peripheral region of the drum and has at least one relief portion with the relief directed outward with respect to the remaining part of the lateral surface of the drum. At least one glue roller is arranged laterally to the drum. At least the relief portion of the skid is made of an elastically yielding material.