Rebar Binding Head Positioning With Dynamic Shaft Release
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Solution Overview
Problem
Existing reinforcing bar binding technologies face challenges in stabilizing the position of the binding mechanism when it abuts against reinforcing bars, leading to inaccuracies in positioning.
Innovation Solution
A reinforcing bar binding device equipped with a binding section, a holding section, a lifting section, and an elastic section that attenuates movement speed, allowing precise positioning and stabilization by engaging and disengaging mechanisms to ensure accurate binding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the binding machine body is moved using a regulating structure to fix the relative position, then the binding machine body can be accurately disposed at a desired position, but it becomes difficult to stabilize the position when the binding machine body abuts against the reinforcing bar
Solution Approach 1:
The patent transitions from a static regulating structure to a dynamic engagement mechanism. The engaging section can engage with or disengage from the engaged section on the holding section, allowing the system to adapt its rigidity based on operational needs. When engaged, the system provides stable positioning; when disengaged, it allows for position adjustment and stabilization during binding operations.
Solution Approach 2:
The patent changes the engagement state parameter of the lifting section. By switching between engaged and disengaged states, the system alters its mechanical properties - specifically the rigidity and degree of constraint on the binding machine body, thereby achieving both accurate positioning and stable operation during binding.
2Measurement precision
If the binding machine body is rigidly fixed to maintain position, then positioning accuracy is improved, but the binding machine body cannot absorb reaction forces during binding operations
Solution Approach 1:
The engagement mechanism allows the system to dynamically adjust its rigidity. When the engaging section is disengaged from the engaged section, the holding section can move independently to absorb reaction forces during binding, while maintaining positioning accuracy through the control system.
Solution Approach 2:
The lifting section is segmented into movable components - the engaging section and the engaged section on the holding section. This segmentation allows independent movement of the holding section relative to the binding machine body, enabling reaction force absorption while maintaining overall positioning accuracy.
3Reliability
If the binding machine body is allowed to move freely to absorb reaction forces, then reliability is improved, but positioning accuracy deteriorates
Solution Approach 1:
The system dynamically adjusts the degree of freedom of the holding section based on operational phase. During positioning, the engaging section engages to ensure accuracy; during binding operations, the engaging section disengages to allow the holding section to absorb reaction forces, thus achieving both positioning accuracy and reliability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device achieves stable and accurate positioning of the binding mechanism, ensuring precise binding operations on reinforcing bars.
Implementation Method 1
an elastic section configured to attenuate a movement speed of the holding section in a lowering direction, in which the elastic section attenuates the movement speed of the holding section in the lowering direction only in a state where the binding section abuts against the reinforcing bar
Data Source
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AI summary
This reinforcing bar binding apparatus comprises a binding part (129) for binding reinforcing bars, a holding part (112) for holding the binding part (129), and an elevating mechanism (113) that lifts and lowers the holding part (112) with respect to a body unit. The elevating mechanism (113) includes a coupling part (119) that is coupled to the holding part (112) and a drive part (127) that moves the coupling part (119). The coupling part (119) has a movable shaft (115), and the holding part (112) has a long hole (111H) engaging with the movable shaft (115). The drive part (127) moves the coupling part (119) in a state where the binding part (129) is in contact with the reinforcing bars and moves the movable shaft (115) relative to the long hole (111H) to thereby release the engagement therebetween.