Rebar Binding Mechanism With Amplified Wire Pull-Out
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing reinforcing bar binding machines face insufficient wire pull-out issues when using reels larger than the machine's capacity, leading to inadequate wire supply for binding reinforcing bars during concrete placement.
Innovation Solution
A binding device with a wire pull-out mechanism that uses a transmission part to differentiate the wire pull-out amount from the binding mechanism's movement, ensuring sufficient wire is pulled out for binding by amplifying the wire pull-out distance relative to the binding mechanism's movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a reel is made larger than the size that may be loaded into the reinforcing bar binding machine, then the amount of wire to be accommodated is increased, but the pull-out amount of wire becomes insufficient
Solution Approach 1:
The wire feeding system is divided into two independent parts: a wire pull-out part that pulls wire from the reel, and a wire feeding mechanism that feeds wire to the binding mechanism. This segmentation allows each part to be optimized independently, enabling the pull-out part to handle larger reels while ensuring sufficient wire pull-out through the transmission mechanism's gear ratio design.
Solution Approach 2:
A transmission part acting as an intermediary is introduced between the binding mechanism moving part and the wire pull-out part. This transmission mechanism converts the movement of the binding mechanism into wire pull-out motion through a transmission mechanism with a specific transmission ratio, ensuring that the wire pull-out amount is sufficient even when using larger reels with more wire.
2Productivity
If the reel size is increased to accommodate more wire, then wire supply capacity is improved, but the wire feeding mechanism cannot pull out sufficient wire
Solution Approach 1:
The wire pull-out part is designed to dynamically adjust wire pull-out based on the transmission ratio. As the binding mechanism moves between binding positions and retreat positions, the transmission mechanism dynamically converts this motion into proportional wire pull-out, ensuring continuous and sufficient wire supply from larger reels without manual intervention.
Solution Approach 2:
The transmission ratio of the transmission mechanism is specifically designed to change the relationship between binding mechanism movement and wire pull-out amount. By setting an appropriate transmission ratio, the system ensures that even with larger reels containing more wire, the wire pull-out amount remains sufficient for each binding operation.
3Quantity of substance
If a larger reel is used to ensure sufficient wire supply, then wire accommodation is improved, but the existing wire feeding mechanism becomes inadequate
Solution Approach 1:
The transmission part serves multiple functions: it transmits motion from the binding mechanism moving part to the wire pull-out part, converts movement distance through transmission ratio, and ensures sufficient wire pull-out amount. This multi-functionality allows the system to handle larger reels without proportionally increasing overall system complexity.
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
A binding device includes a binding mechanism configured to feed a wire around a reinforcing bar, and to twist and bind the wire fed around the reinforcing bar, a binding mechanism moving part configured to move the binding mechanism between a binding position where binding of the reinforcing bar is performed and a retreat position distant from the reinforcing bar, and a wire pull-out part configured to pull out the wire wound on the reel. The wire pull-out part includes a transmission part to which an operation of the binding mechanism moving part is transmitted, and the transmission part is configured such that an amount of the wire pulled out by the wire pull-out part is different from an amount of movement of the binding mechanism moved by an operation of the binding mechanism moving part.