Pneumatic Tool Change Mechanism for Shearing Machines
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Solution Overview
Problem
Traditional tool change devices for shearing machines are complex, leading to slow and error-prone operations, resulting in low-quality products and high production costs, particularly due to incorrect centering and complex compressed air management.
Innovation Solution
A tool change device with mechanical means for quick coupling and centring, and direct compressed air feed, allowing easy and rapid tool exchange without centering errors and simplifying air management, ensuring high reliability and cost-effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional tool change procedure with rotation and translation movements is used, then tool can be changed, but centering errors occur leading to low quality product
Solution Approach 1:
The patent replaces the traditional mechanical rotation and translation system with a pneumatic system. Compressed air is directed through channels in the tool holder to lift the tool vertically, eliminating complex mechanical movements and achieving precise positioning without centering errors.
Solution Approach 2:
The invention uses compressed air as the actuating medium for tool change. Air channels are integrated into the tool holder structure, allowing pneumatic lifting of the tool for quick and accurate replacement without mechanical complexity.
2Productivity
If traditional tool change procedure with lever release is used, then tool can be changed, but change time is long and production costs increase
Solution Approach 1:
The patent replaces manual lever release mechanisms with an automated pneumatic system. Compressed air actuates the tool release and positioning, dramatically reducing tool change time and eliminating complex mechanical linkages.
3Ease of manufacture
If traditional compressed air management system is used, then air can be supplied to cutting tool, but complex paths and high construction accuracy are required increasing cost
Solution Approach 1:
The patent merges the tool holder structure with the compressed air delivery system. Air channels are integrated directly into the tool holder, combining structural support and pneumatic delivery functions into a single component, simplifying construction and reducing the number of separate air paths required.
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
Enables fast, error-free tool changes and efficient compressed air management, improving production efficiency and reducing costs by eliminating complex operations and ensuring optimal shearing quality.
Implementation Method 1
a pin (50) or an equivalent mean having similar function, internally provided with two channels reciprocally communicating and orthogonal, a first passage (52) thereof is connected to the channel (39) of the tool holder (28) and a second passage (54) is connected with the duct (42) of the block (14)
Data Source
AI summary
A tool change device (12) for working apparatus (10) of longitudinal shearing machines adapted for working on paper, cardboard, plastic films, various coupled materials, aluminum, fabric, non woven, glass fiber, carbon fiber and similar materials, wherein mechanical elements are provided for quick coupling/centering and extraction with translatory movement between a tool or blade holder head (16) and a tool holder (28) and with provision for a direct and quick feed of compressed air.