Plate-Shaped Element Feeding Guide Rail System
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Solution Overview
Problem
Existing sewing or stitching machines face challenges in efficiently and accurately feeding and positioning plate-shaped functional elements, such as small rigid plates, due to tilting and rotation issues during the feeding process, which complicates precise orientation and fixation.
Innovation Solution
An apparatus with guide rails and a transporting device is used to feed plate-shaped functional elements along a guideway, where the elements are supported vertically by guide surfaces and delimiting surfaces to prevent tilting, and a needle penetrates through yarn penetration points to secure them to a textile, allowing for precise positioning and orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If plate-shaped functional elements are fed manually or by conventional means, then the feeding process is simple, but tilting and rotation occur during feeding, causing positioning inaccuracy
Solution Approach 1:
A guideway structure acts as an intermediary between the feeding mechanism and the sewing machine. The guideway includes guide surfaces that contact the functional elements and constrain their movement, preventing tilting and rotation while the elements are transported to the sewing position.
Solution Approach 2:
The guiding function is extracted from the feeding mechanism and implemented as a separate guideway structure. This allows the feeding apparatus to focus on transport while the guideway independently handles positioning and orientation control.
2Manufacturing precision
If guide surfaces are added to prevent tilting, then positioning accuracy improves, but the apparatus structure becomes more complex
Solution Approach 1:
The guideway structure performs multiple functions simultaneously: it guides the functional elements along the feeding path, prevents tilting through guide surfaces, and maintains proper orientation for sewing. This multi-functionality reduces the need for separate mechanisms for each function.
3Manufacturing precision
If the functional element is kept in the guideway during stitching, then positioning remains precise, but the stitching process becomes complicated
Solution Approach 1:
The functional element is pre-positioned and pre-oriented in the guideway before the stitching operation begins. The guideway ensures the element is correctly positioned and oriented in advance, allowing the stitching process to proceed without additional positioning complications.
Data Source
AI summary
An apparatus for feeding plate-shaped functional elements to a sewing or stitching machine comprises a first guide rail which extends in a longitudinal direction between a first end and a second end and which has a first delimiting surface and a first guide surface extending transversely with respect to the first delimiting surface, a second guide rail which extends in the longitudinal direction between a first end and a second end and which has a second delimiting surface, facing the first delimiting surface and extending parallel to the first delimiting surface, and a second guide surface extending transversely with respect to the second delimiting surface in the direction of the first guide rail; and a transporting device configured to move a functional element resting on the first and the second guide surface from the first end of the guide rails in the direction of the second end of the guide rails.