Binding Machine Wire Guide Layout to Prevent Buckling
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Solution Overview
Problem
Conventional binding machines face issues with wire looseness and buckling due to the lack of a means to restrict deviation, leading to instability and reduced workability, especially when using small-diameter flexible wires, which results in increased machine size and decreased handling efficiency.
Innovation Solution
A binding machine with a feeding unit that includes a first restriction unit to guide the wire within a specific route and a second restriction unit to prevent deviation during pullback, along with a curl arm that deforms the wire to form a circle locus, offsetting the virtual plane relative to the wire reel's cross-section to stabilize the wire path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional binding machine feeds wire from a reel without restriction units, then the wire can be fed out freely, but wire looseness and buckling occur between the feeding unit and the reel
Solution Approach 1:
A wire guiding member is introduced as an intermediary component between the feeding unit and the reel. This guiding member restricts the wire's movement path, preventing looseness and buckling while maintaining smooth wire feeding. The guiding member acts as a mediator that controls wire behavior without interfering with the feeding mechanism's operation.
2Volume of stationary object
If the wire is allowed to deviate freely inside the housing unit, then the housing unit can be larger, but the wire buckles easily and workability decreases
Solution Approach 1:
The housing unit's internal space is segmented by the wire guiding member, which divides the available volume into controlled sections. This segmentation restricts wire movement to specific paths, preventing buckling and improving workability while allowing the housing unit to maintain a compact size.
3Manufacturing precision
If small-diameter flexible wires are used to improve binding precision, then binding accuracy increases, but wire buckling becomes more frequent
Solution Approach 1:
The wire guiding member serves as a mediator that provides structural support to small-diameter flexible wires during feeding. By constraining the wire's path, the guiding member prevents buckling of these delicate wires while allowing them to maintain their flexibility and precision for accurate binding operations.
Data Source
AI summary
The wire fed or pulled back from the reel by the feeding unit can be properly restricted. The invention relates to a binding machine (2) having a feeding unit (16) for feeding out a wire (3) from a reel (12) provided in a housing unit (11). With respect to the entering route (81) of the wire (3) when the wire (3) drawn out from the reel (12) by the feeding unit (16) is guided to the feeding unit (83), the first restriction unit (83) that restricts the drawing portion (3a) of the wire (3) disposed between the reel (12) and the feeding unit (16) from being deviating from the entering route (81) is provided inside the housing unit (11).