Sewing Device Restraining Jig for Simultaneous Seating Body Exchange
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Solution Overview
Problem
The existing sewing devices for vehicle interiors require complex and time-consuming exchange of seating bodies to accommodate different instrument panel shapes and sizes, leading to reduced sewing efficiency due to the need for individual manual handling and prolonged suspension of sewing work.
Innovation Solution
A sewing device equipped with a restraining jig that collectively restrains and releases multiple seating bodies, allowing for simultaneous exchange and attachment to actuators, eliminating the need for individual handling and reducing exchange time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple seating bodies are exchanged individually to accommodate different instrument panel shapes and sizes, then adaptability is improved, but device complexity and time consumption increase
Solution Approach 1:
The patent combines multiple seating bodies into a single integrated exchange unit. The holding board integrates multiple seating bodies (first seating body, second seating body, etc.) that can be exchanged together as one unit, eliminating the need for individual exchange of each seating body. This reduces operational complexity while maintaining adaptability to different instrument panel configurations.
Solution Approach 2:
The patent creates a universal holding board structure that can accommodate multiple different seating bodies designed for various instrument panel shapes and sizes. The base and holding board provide a universal interface that works with different seating body configurations, allowing one exchange mechanism to serve multiple vehicle types.
2Adaptability or versatility
If multiple seating bodies are exchanged individually, then adaptability is improved, but loss of time increases due to prolonged suspension of sewing work
Solution Approach 1:
The patent merges multiple seating bodies into a single exchangeable unit on the holding board. This allows all seating bodies to be exchanged simultaneously in one operation rather than sequentially, dramatically reducing the time the sewing mechanism must be suspended while maintaining the ability to adapt to different vehicle types.
Solution Approach 2:
The patent implements preliminary positioning features (positioning protrusions and positioning grooves) that enable rapid alignment and exchange of the holding board with seating bodies. This preliminary preparation of positioning mechanisms allows for quick exchange operations without requiring time-consuming manual alignment procedures.
3Adaptability or versatility
If individual seating bodies are exchanged manually, then adaptability is improved, but worker burden increases
Solution Approach 1:
The patent combines multiple seating bodies into a single integrated holding board assembly that is exchanged as one unit. This merging reduces the number of separate manual handling operations required, decreasing worker burden while maintaining the ability to accommodate different instrument panel configurations through the integrated seating body design.
Solution Approach 2:
The patent implements self-aligning features through positioning protrusions and positioning grooves that automatically guide the holding board into correct alignment with the sewing mechanism and instrument panel. This self-service alignment reduces the skill level and effort required from workers during exchange operations.
Data Source
AI summary
A sewing device includes: a plurality of actuators; and a plurality of seating bodies that are provided in an attachable/detachable manner to the individual actuators to seat on certain regions of an object-to-be-sewn. The sewing device further includes a restraining jig. Due to the restraining jig collectively restraining the plurality of seating bodies provided to the actuators, the plurality of seating bodies can withdraw from the actuators.