Adjustable Punching and Binding Mechanism for Variable Hole Patterns
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Solution Overview
Problem
Existing punching and binding machines have fixed hole configurations, lack adjustable compression capabilities, and suffer from inefficient punching sequences, leading to user discomfort and suboptimal binding quality due to inconsistent ring sizes and manufacturing variations.
Innovation Solution
A punching and binding machine with a drive mechanism that synchronizes the punching and binding operations, featuring an adjustable number of punches and precise control over the punching sequence through a sliding adjustment pin and limiting slot mechanism, allowing for flexible hole adjustments and optimized binding ring positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the punching mechanism uses a fixed number of holes and fixed binding ring diameter, then the structure is simple and easy to manufacture, but it cannot meet diverse and personalized usage demands
Solution Approach 1:
The patent implements dynamic adjustability by allowing the number of punching holes and binding ring diameter to be changed according to different paper sizes. The punching mechanism includes adjustable components that enable users to modify the hole configuration, while the binding mechanism allows adjustment of ring diameter and compression stroke, transforming a static device into a dynamic one that adapts to various needs.
Solution Approach 2:
The patent divides the punching and binding functions into separate independent mechanisms. The punching mechanism handles hole creation with adjustable parameters, while the binding mechanism handles ring compression with independent adjustment capabilities. This segmentation allows each mechanism to be optimized independently while maintaining overall system versatility without excessive complexity.
2Ease of operation
If the punching dies penetrate multiple sheets of paper in uniform sequence, then the structure is simple, but it creates significant resistance requiring additional user force
Solution Approach 1:
The patent implements preliminary action by controlling the punching sequence to punch holes in lower sheets before punching holes in upper sheets. This reverse sequence prevents the punching dies from encountering full resistance from stacked paper, as the lower sheets are punched first when they offer less resistance, thereby reducing the force required during the punching operation.
3Manufacturing precision
If the binding ring mechanism uses fixed compression stroke, then the structure is simple, but it cannot accommodate binding rings of different sizes with precise positioning
Solution Approach 1:
The binding mechanism incorporates dynamic adjustment capabilities for both the compression stroke and ring positioning. Users can modify the compression stroke length and adjust the horizontal positioning of the binding ring according to the specific ring size being used. This dynamic adjustment ensures precise positioning and appropriate compression force for different binding ring diameters while maintaining a relatively simple overall structure through modular design.
Data Source
AI summary
A punching and binding machine comprises a base; a bracket fixed to the base; a drive mechanism connected to the bracket; a punching mechanism, including a limit plate, a punching cutter, and an adjusting pin, the limit plate being slidably connected to the drive mechanism, the adjusting pin being connected to the top of the punching cutter, the limit plate being provided with a limiting groove that allows the adjusting pin to be slidably inserted, the drive mechanism driving the limit plate to move, the adjusting pin moving between a abutting state and a sliding state, and in the abutting state, the adjusting pin contacts the limiting point of the limit groove, with the limit plate driving the punching cutter to move synchronously; a binding mechanism, slidably connected to the bracket, driven by the drive mechanism to move between a compression position and a release position.