Reconfiguring Binding Machine Motor and Magazine Layout
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Solution Overview
Problem
Conventional reinforcing bar binding machines have inefficiencies due to a protruding magazine that interferes with operation in narrow spaces and a trigger placement that makes it difficult to correctly insert objects, leading to lowered operation efficiency.
Innovation Solution
The binding machine design includes a feeding unit, a binding unit, and a motor arrangement where the motor overlaps with the binding unit or is positioned beside it, allowing for a more compact design with the magazine closer to the feeding unit and a trigger placement that optimizes accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the magazine is arranged below the feeding motor, then the feeding mechanism can be provided, but the magazine largely protrudes downward from the binding machine main body, interfering with operations in narrow places
Solution Approach 1:
The patent changes the spatial arrangement from a vertical stacking configuration (magazine below motor) to a horizontal side-by-side configuration (magazine and motor adjacent laterally). This dimensional repositioning eliminates the downward protrusion of the magazine while maintaining the feeding mechanism's functionality, thereby improving operability in narrow spaces.
2Ease of manufacture
If the trigger is provided at a position avoiding the feeding motor, then the feeding mechanism can operate, but the trigger is arranged at a position distant from the guide unit, making it difficult to correctly insert the object to be bound
Solution Approach 1:
The patent repositions the trigger from a distant location (avoiding the feeding motor area) to a position adjacent to the guide unit. This spatial relocation places the trigger in close proximity to where the object to be bound is inserted, enabling the operator to easily and accurately guide the object into the correct position while triggering the binding operation.
Data Source
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Figure 3A~3D
AI summary
A binding machine includes a feeding unit configured to feed a wire and pull back the wire after winding the wire around an object to be bound, a binding unit configured to grip and twist the wire wound around the object with the feeding unit, a motor configured to rotatively drive the feeding unit, and a binding machine main body configured to accommodate therein the binding unit and the motor. The motor is arranged such that at least a part of the motor overlaps the binding unit, as seen from a side of the binding machine main body.