Milling Cutter Device for Roller Shutter Slat Perforation
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Solution Overview
Problem
The existing methods for inserting plugs into roller shutter slats require different types of plugs for soft and hard fillings, leading to inefficiencies and increased manufacturing costs due to the need for specialized tools and material modifications.
Innovation Solution
A milling cutter device that positions and perforates the slat filling material to create a curved seat, allowing traditional tapered plugs to be used with both soft and hard fillings by advancing the slats stepwise and using a pneumatic cylinder to operate a milling cutter with a curved guide channel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional pressers are used to insert plugs into slats, then the insertion process is simple and fast, but this method only works with soft filling material and cannot be used with hard filling material
Solution Approach 1:
The patent changes the physical state of the filling material by melting it using a heating element before plug insertion. This parameter change (from solid to liquid state) allows the plug to be inserted easily into the softened material, regardless of its original hardness, thereby resolving the contradiction between adaptability to different material hardness and device complexity
Solution Approach 2:
The patent replaces the purely mechanical presser system with a thermally-assisted insertion system that uses heat to modify the filling material's properties. This substitution allows traditional simple pressers to work with both soft and hard materials by temporarily changing the material's hardness through heating, thus improving adaptability without significantly increasing device complexity
2Ease of manufacture
If specialized plugs with two pins are used for hard filling material, then plug insertion is possible, but this requires making corresponding holes in the slat filling material which increases time wastage and manufacturing cost
Solution Approach 1:
The patent performs preliminary heating and softening of the filling material before plug insertion. This preliminary action modifies the material's properties in advance, allowing the plug to be inserted directly without requiring pre-drilled holes or specialized two-pin plugs, thereby eliminating time wastage and simplifying the manufacturing process
Solution Approach 2:
By changing the temperature parameter of the filling material, the patent transforms hard material into a softer state that accepts traditional single-piece plugs without requiring hole-making operations. This parameter change eliminates the need for specialized plugs and associated time-consuming hole-making processes
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 the use of traditional tapered plugs across varying material hardness levels, reducing time wastage and manufacturing costs by standardizing the plug insertion process.
Implementation Method 1
a heating element which melts the filling material
Data Source
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AI summary
A milling cutter device for the slats of roller shutters comprising: - a slide (10) disposed facing the side of the slatted sheet (6), which advances on a conveyor belt (4), - means for moving said slide (10) from and towards said slatted sheet (6), - a block (16) rigid with said slide (10) and comprising a curved seat (18) corresponding to the curvature of the slats (8) of the slatted sheet, - a milling cutter (22), the tool of which has its axis perpendicular to the advancement axis of the slatted sheet, - for supporting said milling cutter (22), means (24) guided within said seat (18) of said block (16), - means (28) for moving said milling cutter (22) in one and the other direction parallel to the sheet advancement axis.