Glue Scraper Spring Mounting for Film Thickness Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing gluing devices for labeling machines face issues with contamination and functional impairment due to glue and foreign substances, leading to fluctuations in glue film thickness and operational disruptions, particularly because of the use of spring-loaded scraper elements that require precise adjustment and are prone to wear.
Innovation Solution
A gluing device where the glue scraper is held exclusively by a spring element on the scraper mount in a joint-free manner, using a spring plate with adjustable bearings to press the scraper against the glue roller, eliminating the need for separate spring means and reducing contamination risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If spring-loaded glue scrapers with adjustment mechanisms are used, then glue film thickness can be controlled, but contamination and functional impairment occur due to glue and foreign substances
Solution Approach 1:
The invention extracts and eliminates the adjustment and alignment mechanisms from the scraper assembly, retaining only the essential spring-loaded scraper element that contacts the glue roller. This removal of complex adjustment mechanisms prevents contamination of these components while maintaining the core function of controlling glue film thickness through the spring pressure alone.
Solution Approach 2:
The scraper element is designed as a simple, replaceable component without complex adjustment mechanisms. When contaminated or worn, the entire scraper element can be quickly replaced rather than requiring cleaning or adjustment of complex mechanisms, effectively treating it as a disposable or easily renewable component that maintains reliability.
2Manufacturing precision
If precise adjustment mechanisms are provided for the glue scraper, then uniform glue film can be achieved, but operational disruptions occur due to foreign bodies and wear
Solution Approach 1:
The invention removes complex adjustment and alignment mechanisms that are prone to contamination by foreign bodies. The simplified scraper assembly with only essential spring-loaded contact elements eliminates the adjustment mechanisms that would otherwise require maintenance and cause operational disruptions when contaminated.
Solution Approach 2:
The spring-loaded scraper element automatically maintains optimal contact pressure with the glue roller through its elastic properties, without requiring external adjustment mechanisms. This self-regulating feature ensures uniform glue film application while eliminating the need for adjustment mechanisms that could be disrupted by foreign bodies or wear.
3Ease of operation
If multiple adjustment and alignment elements are used, then scraper positioning can be optimized, but contamination of these elements is unavoidable
Solution Approach 1:
The invention extracts and eliminates multiple adjustment and alignment elements from the scraper assembly, retaining only the essential spring-loaded contact element. This drastic simplification removes the numerous components that would otherwise be contaminated by glue and foreign substances, while the spring element's elastic properties maintain optimal positioning automatically.
4Adaptability or versatility
If the scraper is articulated with joints on the device frame, then flexibility and adaptability are improved, but complexity and contamination risk increase
Solution Approach 1:
The invention removes articulated joints and complex mounting structures from the scraper assembly. The scraper is instead held by simple spring elements that provide the necessary flexibility and adaptability through their elastic properties alone, eliminating the complex jointed structures that would increase contamination risk and device complexity.
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
This solution ensures consistent glue film thickness without contamination, reduces operational disruptions, and simplifies maintenance by avoiding the need for precise adjustments and minimizing the impact of wear on the scraper elements.
Implementation Method 1
the glue scraper or the scraper section lying against the glue roller or a scraper element forming this scraper section is fastened or clamped exclusively by at least one spring element to the glue scraper mount on the device
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Glue application device with at least one glueing roller, which can be driven to rotate about its glueing roller axis, with at least one glue-depositing and distributing element for producing a primary glue deposit on a circumferential surface of the glueing roller, and with at least one glue scraper which, by way of a scraper portion having a pressing force produced by at least one spring element, bears pressed against a circumferential region of the glueing roller, this region extending in the direction of the roller axis and, in the direction of rotation of the glueing roller, following the point where the glue is dispensed.