Edge Banding Trimming Assembly for Stable End-Edge Contact
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing edge banding machines suffer from over-trimming or instability at the front and rear ends of the edge band due to the traditional swing-type design of the upper and lower trimming devices.
Innovation Solution
A trimming device with a fixing assembly, mounting assembly, first and second wheel assemblies, a moving scraper unit, and a retractable assembly that allows the scraper to maintain constant contact with the edge band through forward and backward movement, ensuring stable trimming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a swing type trimming device with a single spindle is used, then the structure is relatively simple, but it leads to over-trimming or instability at the front and rear ends of the edge band
Solution Approach 1:
The trimming device is divided into multiple independent spindle units (first spindle unit and second spindle unit) instead of using a single spindle. Each spindle unit can be independently adjusted and controlled, allowing precise trimming at different positions (front and rear ends) without affecting the other positions, thereby eliminating over-trimming and instability issues while maintaining reasonable structural complexity
Solution Approach 2:
The spindles are designed to be adjustable and movable along the edge band rather than being fixed in a single position. The spindles can be dynamically positioned and repositioned during operation, enabling adaptive trimming at different locations and ensuring consistent trimming quality throughout the entire edge band length
2Device complexity
If a swing type trimming device is used, then the structure is relatively simple, but it causes over-trimming at the front and rear ends
Solution Approach 1:
The trimming device is divided into multiple independent spindle units (first spindle unit and second spindle unit) instead of using a single spindle. Each spindle unit can be independently adjusted and controlled, allowing precise trimming at different positions (front and rear ends) without affecting the other positions, thereby eliminating over-trimming and instability issues while maintaining reasonable structural complexity
Solution Approach 2:
Each spindle unit is configured with specific local characteristics and can be independently adjusted to suit the trimming requirements at different positions. The first spindle unit and second spindle unit have independent adjustment mechanisms, allowing each to optimize its trimming parameters locally, thereby achieving high trimming accuracy at both front and rear ends without compromising overall structural simplicity
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
The device achieves improved stability and accuracy in trimming the edge band by allowing rapid adjustment and precise positioning of the scraper, preventing over-trimming and enhancing processing consistency.
Implementation Method 1
a floating member (12) movable relative to the main body (11) via a plurality of linear bearings (13)
Implementation Method 2
a spring (15) urging the floating member (12) downwards
Implementation Method 3
a retractable assembly (70) having a retractable rod (72) for driving the moving scraper unit (5) to move along the slide groove (22) of the mounting assembly (20)
Implementation Method 4
a scraper assembly (60) mounted on the feeding and retracting assembly (50) and having a scraper (64)
Data Source
AI summary
A trimming device of the edge banding machine includes a mounting assembly attached to a fixing assembly, a wheel assembly mounted to the mounting assembly and having a first wheel rolled on a top surface of a to-be-processed workpiece and a second wheel rolled on an edge band adhered to a lateral side of the to-be-processed workpiece, a moving scraper unit including a feeding and retracting assembly having a slider slidably mounted on a slide groove of the mounting assembly, and a scraper assembly mounted on the feeding and retracting assembly and having a scraper, and a retractable rod driving the moving scraper unit to move along the slide groove. Through movement of the moving scraper unit and action of the retractable rod, the scraper maintains constant contact with the edge band to solve a problem of over-trimming or instability of the front and rear ends of the edge band.