Rebar Binding Machine With Variable Wire Loop Control
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Solution Overview
Problem
Conventional reinforcing bar binding machines are limited in binding multiple reinforcing bars due to fixed dimensions, leading to increased size and weight, which hinders operability and requires manual binding, a time-consuming and labor-intensive process.
Innovation Solution
A binding machine with a control unit that adjusts the feed amount of a wire rod to form an annular wire loop of variable size, allowing binding of reinforcing bars of various sizes by twisting the wire rod.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the dimension between the guide portion and the lower guide is increased to bind more reinforcing bars, then the binding capacity increases, but the device size increases and weight balance is lost, hindering operability
Solution Approach 1:
The guide portion is made movable relative to the lower guide, allowing the dimension between them to be dynamically adjusted. This enables the device to adapt to different numbers and thicknesses of reinforcing bars without permanently increasing its size, thus maintaining operability while improving binding capacity.
Solution Approach 2:
The physical dimension between the guide portion and lower guide is changed from a fixed value to an adjustable parameter. By allowing this parameter to vary based on the binding requirements, the device can accommodate different quantities and sizes of reinforcing bars without compromising its operational characteristics.
2Productivity
If the number of reinforcing bars to be bound increases beyond the device capacity, then more reinforcing bars need to be bound, but manual binding becomes necessary, increasing time consumption and workload
Solution Approach 1:
The guide portion's movability allows the device to automatically adapt to different binding quantities, maintaining automated binding capability for larger numbers of reinforcing bars. This eliminates the need to switch to manual binding methods, thereby preserving productivity and reducing time loss.
3Adaptability or versatility
If the dimension between the guide portion and the lower guide is fixed, then the device structure is simple, but the number and thickness of bindable reinforcing bars are restricted
Solution Approach 1:
Introducing movability to the guide portion adds only minimal structural complexity while dramatically improving binding flexibility. The dynamic adjustment mechanism allows the device to handle various combinations of reinforcing bar numbers and thicknesses without requiring a completely complex reconfiguration system.
Data Source
AI summary
A binding machine includes: a holding portion configured to hold a tip end side of a cured wire rod; a feed unit configured to hold a base end side of the wire rod, the tip end side of which is held by the holding portion, such that the base end side of the wire rod is able to be fed out; a twisting unit configured to twist the wire rod; and a control unit configured to control the feed unit and the twisting unit. The control unit is configured to control the feed unit to feed the wire rod when detecting a first signal, and is configured to control the twisting unit to twist the wire rod when detecting a second signal.