Binding Machine Staple Guide Retraction Mechanism
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Solution Overview
Problem
Existing binding machines fail to prevent the unintended displacement of staple tips when moving staples from a magazine to a binding position, leading to deformation and inefficiency in the binding process.
Innovation Solution
A binding machine design that includes a magazine to hold staples, a driver to move the staples forward, a guiding portion to guide the staple's leg portion, and a displacement portion with a fulcrum and bending mechanism to control the staple's movement, ensuring the staple is properly aligned and engaged with objects to be bound, while the guiding portion retracts to prevent deformation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the staple is moved forward by the driver without guidance, then the moving speed is fast, but the tip end portion of the staple is displaced in an unintended direction and deformed
Solution Approach 1:
The guiding portion is positioned to guide the inside of the first leg portion before the displacement portion acts on the staple. By providing preliminary guidance during the forward movement, the staple maintains proper alignment and the tip end portion does not displace in unintended directions, thus resolving the contradiction between fast movement and precision alignment
Solution Approach 2:
The guiding portion acts as an intermediary element between the driver and the displacement portion. It mediates the forward movement by constraining the inside of the first leg portion, ensuring the staple moves in the correct direction without deformation while maintaining fast movement speed
2Manufacturing precision
If the guiding portion remains in the guide position, then the staple is guided accurately, but the guiding portion interferes with the bending operation of the displacement portion
Solution Approach 1:
The guiding portion is designed to be movable in the downward direction and automatically retracts from the guide position when the staple moves by a predetermined distance. This dynamic behavior allows the guiding portion to provide guidance when needed and retract when it would interfere with the bending operation, thus resolving the contradiction between guiding accuracy and bending operation smoothness
Solution Approach 2:
The guiding portion operates periodically: it guides the staple during the forward movement phase, then retracts during the bending phase. This periodic action ensures accurate guidance when required while preventing interference with the bending operation, resolving the contradiction between guiding accuracy and operational smoothness
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 solution effectively prevents staple deformation and ensures accurate binding by controlling the staple's movement, maintaining the staple's alignment and engagement with objects, thereby enhancing the binding process's efficiency and reliability.
Implementation Method 1
The guiding portion is configured to come into contact with the staple and configured to move in the downward direction
Implementation Method 2
The displacement portion may include a fulcrum portion positioned in an inward direction of the first leg portion, and a bending portion positioned in an outward direction of the first leg portion and configured to bend the first leg portion in the inward direction with the fulcrum portion as a fulcrum
Data Source
AI summary
A binding machine includes: a magazine configured to hold a staple that includes a first leg portion and a second leg portion, and that has an opening between the first leg portion and the second leg portion; a driver configured to move the staple held by the magazine in a forward direction with the opening at the front; a guiding portion configured to guide an inside of the first leg portion when the staple is moved by the driver; and a displacement portion configured to bind an object to be bound inserted into the opening by displacing the first leg portion of the staple moved by the driver. The guiding portion retracts from a guide position for guiding the inside of the first leg portion when the staple moves by a predetermined distance.