Rebar Binding Machine Contact Guide for Reliable Switch Engagement
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Solution Overview
Problem
Existing reinforcing bar binding machines face issues where the movable contact member may not secure a sufficient moving amount, preventing the binding operation from being executed.
Innovation Solution
A binding machine design that includes a cover guide part with a guide and contact part to ensure a predefined moving amount of the movable part against the binding object, allowing for secure binding operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the contact member is made movable to engage with the switch, then the binding operation can be activated, but the moving amount cannot be secured and the binding operation cannot be executed
Solution Approach 1:
The patent introduces a link member as an intermediary component that transmits the movement of the contact member to the switch. The link member includes a link body that connects the contact member to the switch, ensuring that the movement is properly transmitted even when the contact member's moving amount is limited. This resolves the contradiction by providing a mechanical intermediary that bridges the gap between the contact member's limited movement and the switch's activation requirement.
Solution Approach 2:
The patent changes the dimensional relationship by positioning the switch at a location that can be engaged by the link member rather than requiring direct engagement by the contact member. The link member extends in a direction that allows it to connect the contact member's movement path to the switch's engagement point, effectively using spatial arrangement to resolve the movement amount issue.
2Ease of operation
If the contact member is moved backward to engage the switch, then the binding operation can be activated, but insufficient moving amount prevents engagement
Solution Approach 1:
The link member serves as a mechanical intermediary that amplifies or extends the movement transmission. By connecting the contact member to the switch through this intermediate component, the system can achieve switch engagement even when the contact member's backward movement distance is insufficient for direct engagement.
Solution Approach 2:
The patent employs a spring member that provides dynamic adjustment capability. The spring member is configured to urge the contact member in the backward direction, dynamically compensating for insufficient movement amount and ensuring reliable switch engagement without requiring excessive backward movement of the contact member.
Data Source
AI summary
A reinforcing steel bar binding machine is provided with: a second body part; a cover guide part attached to the second body part; and a first contact member (a second contact member) that is abutted against a reinforcing steel bar and moved. The cover guide part is provided with: a first guide recessed part and a second guide recessed part that movably guide the first contact member; and a first contact part against which the reinforcing steel bar is abutted.