Pattern Forming Device With Self-Aligning Pin And Hole Mechanism
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Solution Overview
Problem
Conventional methods for forming patterns along the border of sheet materials, such as in scrapbooking and paper crafts, often result in misalignment due to human error from repeated cutting or punching processes, as hobbyists need to realign dies and materials manually.
Innovation Solution
A device with a base and platform system that includes detent and locating portions for precise alignment, allowing the punch to move between positions and engage with the sheet material accurately, ensuring continuous pattern formation without overlapping or spacing issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual realignment of die and sheet material is performed for each punching process, then the device complexity is reduced, but manufacturing precision deteriorates due to human error
Solution Approach 1:
The device enables self-alignment through the locating element (pin) and locating portion (hole) mechanism. When the platform is moved to different positions, the pin automatically engages with the corresponding hole to precisely locate the platform, eliminating the need for manual realignment by the operator. This self-servicing alignment system resolves the contradiction by maintaining simplicity while achieving high precision through automatic mechanical engagement.
Solution Approach 2:
The pin and hole mechanism acts as an intermediary element between the platform and base. This intermediary provides a precise mechanical reference that mediates the alignment between the punch and sheet material, enabling accurate pattern formation without requiring complex adjustment mechanisms or skilled operator intervention.
2Productivity
If the platform is made moveable between multiple positions, then productivity is improved by forming continuous patterns, but device complexity increases due to positioning mechanisms
Solution Approach 1:
The base is segmented with multiple discrete locating portions (holes) arranged at specific intervals corresponding to desired pattern positions. The platform can be independently positioned at each location by engaging the pin with the appropriate hole. This segmentation allows continuous pattern formation across multiple positions while keeping the positioning mechanism simple and modular.
Solution Approach 2:
The positioning system is self-servicing through the pin-hole engagement mechanism. The operator simply moves the platform to the desired position and the pin automatically engages with the corresponding locating hole, providing self-alignment without requiring complex adjustment mechanisms, motors, or electronic controls.
3Manufacturing precision
If detent and locating elements are added to the platform, then manufacturing precision is improved through fine location, but device complexity increases
Solution Approach 1:
The alignment function is localized to specific elements: the pin (locating element) and hole (locating portion) provide fine location in one area, while the detent element and detent portion provide coarse positioning in another area. This local specialization of functions allows each element to be simple in design while collectively achieving high overall precision without requiring complex integrated mechanisms.
Data Source
AI summary
A device for forming a pattern in a sheet of material is provided. The device includes a base having a detent portion and a locating portion that provides a first position, a platform moveably coupled to the base, and a punch supported by the platform and configured to move between a reset position and a depressed position. The platform includes a detent element configured to engage the detent portion when the platform is proximate the first position and a locating element configured to provide fine location of the platform in the first position relative to the base by engaging the locating portion. The punch forms a pattern in a sheet of material when the punch moves from the reset position to the depressed position and a sheet of material is present proximate the depressed position.