Edge Band Adhesive Coating with Dynamic Thickness Compensation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing adhesive application methods for edgebanding face challenges such as the need to prevent unintended contact with adhesive application units, ensure uniform adhesive application despite thickness variations, and avoid interruptions in the feed process.
Innovation Solution
A method involving a control device, such as a control roller, adjusts the distance between the adhesive application device and the edgeband to compensate for thickness variations, ensuring precise adhesive application without interrupting the feed process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a pivoting device is used to prevent edgeband contact with the adhesive application roller, then adhesive application can be prevented when not desired, but the feed of the edgeband must be interrupted to actuate the pivoting device
Solution Approach 1:
The invention replaces the static pivoting device with a dynamic system where the control roller can be continuously adjusted in position along the adjustment axis. This allows the control roller to dynamically adapt to varying edgeband thicknesses and maintain proper spacing without interrupting the feed, resolving the contradiction between reliable adhesive control and continuous production
2Productivity
If adhesive application rollers are used to apply adhesive to edgebanding, then adhesive can be applied efficiently, but variations in edgeband thickness lead to different amounts of adhesive being applied locally
Solution Approach 1:
The invention changes the parameter of control roller position along the adjustment axis to compensate for edgeband thickness variations. By adjusting the distance between the control roller and adhesive application roller based on measured thickness, the system maintains uniform adhesive application despite variations in edgeband dimensions
3Manufacturing precision
If the edgeband is moved into the effective area of the adhesive application device for coating, then adhesive can be applied to the desired section, but mechanisms must be in place to prevent the edgeband from contacting the adhesive application unit if adhesive application is not desired
Solution Approach 1:
The control roller serves as an intermediary element between the edgeband and the adhesive application roller. It maintains a controllable distance from the adhesive application roller, allowing the edgeband to be precisely positioned in the effective coating area while preventing unwanted contact through the intermediary control mechanism
Data Source
Figure 1~2
AI summary
The adhesive-agent application arrangement for applying an adhesive agent, in particular a glue or hot-melt adhesive, to edge strips (5, 7) has an adhesive-agent provision device (2), which provides an adhesive agent to an adhesive-agent application device (1) arranged in the region of the adhesive-agent provision device (2). Furthermore, the adhesive-agent application device comprises an edge-strip guiding device (3.1, 3.2, 4, 6, 8, 9), which is designed to move the edge strip (5, 7) into the acting area of the adhesive-agent application device (1) for adhesive-agent application. The edge-strip guiding device (3.1, 3.2, 4, 6, 8, 9) also has at least one control device, in particular a control roll (3.1, 3.2), which is designed to bear on the side of the edge strip (5, 7) that is not intended to be coated with adhesive agent such that said edge strip can be guided between the at least one control device (3.1, 3.2) and the adhesive-agent application device (1). Furthermore, the adhesive-agent application device (1) has a machine controller, wherein the at least one control device (3.1, 3.2) is mounted on a movable unit (8) which can be moved towards or away from the adhesive-agent application device (1) in an adjusting direction (Y) along an adjustment axis via an adjustment apparatus (9) controlled by the machine controller. The adhesive-agent application arrangement has a guide (4) that is movable in particular with the unit and is in the form in particular of a control shaft. The guide (4) is configured such that an edge strip (5) guided and moved therein is transported approximately in an advancing direction (X). The advancing direction (X) extends approximately perpendicularly to the adjusting direction (Y) and in particular also perpendicularly to the axis of rotation of the adhesive-agent application roller (1), provided that the adhesive-agent application device (1) comprises an adhesive-agent application roller (1).