Edgebanding Chip Removal With Rotating Blades to Prevent Clogs
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Solution Overview
Problem
Edgebanding machines often jam due to machining chips obstructing the suction duct, leading to inefficiencies and increased maintenance costs, as existing solutions fail to effectively prevent duct obstruction.
Innovation Solution
The edgebanding machine incorporates a removing device with a casing and rotating blades that cut machining chips into smaller portions, allowing them to be suctioned through a unique inlet and outlet configuration, reducing the likelihood of duct obstruction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a suction duct is used to remove machining chips, then machining chips can be removed from the working area, but the suction duct becomes obstructed by entangled machining chips
Solution Approach 1:
The machining chips are cut into smaller segments by rotating cutting blades before being suctioned. The cutting blades divide long filamentary chips into shorter pieces that cannot entangle and obstruct the suction duct, thereby maintaining duct patency while preserving chip removal capability
Solution Approach 2:
The machining chips are cut into smaller pieces before entering the suction duct. This preliminary cutting action prevents the chips from becoming entangled during suction, eliminating the obstruction problem before it can occur in the duct
2Productivity
If the suction power is increased to prevent chip obstruction, then chip removal efficiency improves, but the device complexity and energy consumption increase
Solution Approach 1:
Instead of increasing suction power, the invention segments the chips into smaller pieces that can be easily removed by the existing suction system. This approach maintains chip removal efficiency while avoiding the need for more complex or powerful suction equipment
3Reliability
If the suction duct diameter is increased to prevent chip entanglement, then chip removal capability is maintained, but the device size and complexity increase
Solution Approach 1:
The invention cuts chips into smaller segments that can pass through the existing duct diameter without entanglement. This maintains reliable chip removal while keeping the duct size compact, avoiding the need for larger duct volumes
4Device complexity
If machining chips are removed without cutting, then the removing device is simpler, but the suction duct becomes obstructed by long filamentary chips
Solution Approach 1:
The rotating cutting blades segment the long filamentary chips into smaller pieces during the removal process. This adds minimal complexity to the removing device while ensuring continuous operation by preventing duct obstruction from entangled chips
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 design effectively prevents suction duct obstruction, ensuring continuous operation and reducing maintenance needs by shredding machining chips into smaller parts that are easily removed, thus enhancing operational efficiency and reducing downtime.
Implementation Method 1
at least one removing device for removing said one or more machining chips by suction
Implementation Method 2
one or more blades arranged inside said casing for rotating around a reference axis... at least one cutting element for cutting said one or more machining chips
Data Source
Figure 1~2
Figure 3~6
Figure 7A~8A
AI summary
The present invention refers to an edgebanding machine (1) equipped with a removing device for removing machining waste (F). Said edgebanding machine (1) comprises a machining unit (R) for working a portion of said edging tape (N) or of a surface of said panel (P), so that one or more machining chips (F) are created, as well as a removing device (2) for removing said machining chips (F) by means of suction, which comprises: a casing (20) comprising a first wall (21) and a second wall (22), in which a first opening (20A) is arranged on said first wall (21) and a second opening (20B) is arranged on said second wall (22) and is to be connected in use to a suction device (6), one or more blades (24) to rotate around a reference axis (X), perpendicular or substantially perpendicular to said first wall, at least one cutting element (25) for cutting said machining chips (F), positioned on a blade (24), so that the rotation of said blades (24) causes the rotation of said cutting element (25). Said first opening (20A) has a center (A) spaced from said reference axis (X).