Window Covering Cutting Machine Independent Stops
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Solution Overview
Problem
Window covering cutting machines often mistakenly cut the wrong type of window covering due to incorrect alignment, leading to damage to the cutting blade and the window covering, resulting in significant replacement costs for retailers.
Innovation Solution
A window covering cutting machine with a support table, cutting mechanism, and independently moveable stops, along with a controller that aligns the correct cutting device based on user input to prevent incorrect insertion and ensure accurate cutting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple openings are provided in the housing to receive different types of window coverings, then the machine can cut various types of window coverings, but the risk of mistakenly placing the wrong window covering into the wrong openings increases, leading to blade damage
Solution Approach 1:
The stop is moved to the open position in advance before the cutting operation, allowing only the correct window covering type to be inserted through the corresponding opening. This preliminary positioning prevents mistaken insertion by physically blocking wrong materials before the cutting blade is activated.
Solution Approach 2:
The stop acts as an intermediary element between the window covering and the cutting blade. It mediates the interaction by selectively permitting or preventing insertion based on its position, thereby protecting the blade from damage caused by incorrect material insertion.
2Reliability
If a stop is provided to prevent wrong insertion, then blade damage is prevented, but the complexity of the machine increases due to additional moveable components
Solution Approach 1:
The stop serves multiple functions: it prevents wrong insertion to protect the blade, and it can be positioned at different locations along the opening to accommodate different cutting lengths. This multi-functionality reduces the need for additional specialized components.
Solution Approach 2:
The stop is designed to be moveable rather than fixed, allowing it to be dynamically positioned between open and closed states. This dynamic capability enables the same component to both prevent wrong insertion and allow correct operation, reducing the need for separate protective and functional elements.
3Reliability
If the stop is positioned close to the opening to prevent wrong insertion, then protection is provided, but the cutting length control is reduced
Solution Approach 1:
The stop's position is made dynamic rather than fixed. It can be moved to different locations: closer to the opening when protection is the priority, and farther away when cutting length control is needed. This dynamic positioning resolves the contradiction between protection and productivity.
Solution Approach 2:
The stop mechanism is segmented into movable and fixed portions, allowing the protective function (positioning near the opening) and the measuring function (positioning farther away) to be achieved by the same component at different times, rather than requiring separate fixed components for each function.
Data Source
AI summary
A window covering cutting machine is disclosed that has a support table, a cutting mechanism adjacent the support table and a plurality of moveable stops moveably connected to at least one of the cutting mechanism and the support table. The support table has a surface on which at least a portion of a window covering work piece can be placed. The cutting mechanism has a housing with a plurality of openings sized to receive at least a portion of a window covering work piece. The cutting mechanism also has at least one cutting device configured to cut portions of a window covering that extend through any of the openings. One stop is aligned with each opening and is independently moveable relative to the housing and the other stops.