Rebar Binding Machine Layout for Upright Floor-Level Tying
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Solution Overview
Problem
Existing binding machines require operators to bend at the waist or knees to bind reinforcing bars on the floor, and when extended, they often bind objects obliquely, reducing the binding force.
Innovation Solution
A binding machine with a first and second body part connected by an elongated part, featuring a curl guide and twisting unit, where the curl guide's axis is inclined relative to the twisting shaft, allowing vertical binding without bending and maintaining binding force at distant positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the entire length of the binding machine is extended, then the operator can perform binding operations without largely bending at the waist or knees, but the binding machine must be tilted toward the reinforcing bars at distant positions, causing oblique binding that reduces binding force
Solution Approach 1:
The patent applies asymmetry by inclining the virtual axis line relative to the twisting shaft axis line at a specific angle (15-45 degrees). This asymmetric arrangement allows the twisting shaft to maintain a vertical orientation relative to the binding object while the overall machine structure is extended, thereby preserving binding force even when binding objects at distant positions without bending
Solution Approach 2:
The patent introduces a spatial dimension by creating an inclined relationship between the virtual axis line (connecting the curl guide and connecting part) and the twisting shaft axis line. This dimensional adjustment in the vertical plane enables the operator to bind objects at a distance while maintaining the twisting shaft's vertical orientation, thus preserving binding force without body bending
2Adaptability or versatility
If the binding machine is used at a position distant from the operator's foot, then the operator can reach distant positions, but the binding machine must be tilted, causing the binding direction to deviate from vertical and reducing binding effectiveness
Solution Approach 1:
The asymmetric inclination between the virtual axis line and twisting shaft axis line enables the machine to adapt to distant binding positions while maintaining vertical binding effectiveness. The inclined virtual axis line allows the machine to reach forward, while the vertical twisting shaft ensures reliable binding
Solution Approach 2:
The patent creates a dynamic spatial configuration where the virtual axis line is inclined relative to the twisting shaft axis line. This dynamic arrangement allows the machine to flexibly adapt to different binding positions while maintaining the critical vertical orientation of the twisting shaft for effective binding
Data Source
AI summary
A binding machine includes: a first body part; a second body part having a curl guide and a twisting shaft that holds and twists the curled wire; and an elongated connecting part connecting the first body part and the second body part. The curl guide includes a first guide part and a second guide part projecting in a first direction from the tip end of the second body part and disposed with a prescribed gap therebetween in a second direction orthogonal to the first direction. The first body part and the second body part are disposed such that a virtual axis line is inclined toward the axis line of the twisting shaft, the virtual axis line connecting an intermediate position in the prescribed gap and an intermediate position in the lateral direction of the connecting part at the connection end of the connecting part with the first body part.