Binding Machine Magazine Separation to Prevent Wire Entanglement
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Solution Overview
Problem
Existing reinforcing bar binding machines face issues with wire entanglement during the reverse and forward feeding operations, where the wire pulled out from the reel can become entangled with the wire already wound on the reel.
Innovation Solution
The binding machine incorporates a magazine with a separation part that separates the reel accommodation position from the wire feeding path, preventing the wire from being displaced towards the reel and thus reducing entanglement by using a separation part to keep the downstream wire separate from the upstream wire.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the wire is fed in reverse direction to wind on the to-be-bound object, then the wire can be wound properly, but the wire pulled out from the reel is displaced toward the reel and becomes entangled with the wire wound on the reel
Solution Approach 1:
The magazine is divided into two distinct regions by a separation part: a reel accommodation region and a wire feeding region. This segmentation prevents the wire pulled from the reel from contacting the wound wire, eliminating entanglement while maintaining reliable wire feeding in both forward and reverse directions.
Solution Approach 2:
The separation part acts as an intermediary barrier between the reel accommodation position and the wire feeding path. It physically separates the upstream wire (pulled from reel) from the downstream wire (wound on reel), preventing harmful contact while allowing both wire feeding operations to proceed normally.
2Volume of moving object
If the wire feeding path is positioned close to the reel for compact design, then the device size is reduced, but the wire becomes entangled with the wire wound on the reel
Solution Approach 1:
Instead of increasing linear distance to prevent entanglement, the separation part creates a spatial barrier that divides the magazine into distinct zones. This dimensional organization allows compact overall design while preventing wire contact through strategic positioning of the separation structure.
Solution Approach 2:
The magazine space is segmented into functionally distinct regions (reel accommodation region and wire feeding region) separated by the separation part. This segmentation enables compact packaging of components while maintaining functional separation to prevent wire entanglement.
Data Source
Figure 1
Figure 2A~2B
Figure 2C~3A
AI summary
A binding machine including a magazine in which a reel having a wire wound thereon is accommodated, a wire feeding unit configured to feed the wire pulled out from the reel accommodated in the magazine, a curl forming unit configured to form a path along which the wire fed by the wire feeding unit is to be wound around an object, a cutting unit configured to cut the wire wound on the object, and a binding unit configured to twist the wire wound on the object and cut by the cutting unit. The magazine comprises, between an accommodation position of the reel and a feeding path of the wire, a separation part configured to separate the accommodation position of the reel and the feeding path of the wire.