Dual-Spindle Lateral Machine Layout for Simultaneous Tool Change
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Solution Overview
Problem
Conventional lateral processing machines face challenges in efficiently processing multiple workpiece portions and automatically changing tools, requiring complex structures that complicate tool exchange and processing time management.
Innovation Solution
A multi-axis lateral processing machine with a simple structure, featuring a bed with X-axis and Y-axis guides, processing units with rams supporting spindles, and automatic tool changers with magazine disks, cam mechanisms, and elastic members for tool exchange, allowing simultaneous tool changes and efficient processing unit movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional lateral processing machine structure is used, then the machine can process workpieces, but the structure becomes complex when multiple processing portions and automatic tool changing are required
Solution Approach 1:
The processing machine is divided into multiple independent processing units (first processing unit with first spindle, second processing unit with second spindle) that can operate independently. Each processing unit has its own tool changer, allowing them to work simultaneously on different workpiece portions without interfering with each other, thus reducing overall system complexity while maintaining versatility.
Solution Approach 2:
The patent employs a nested structure where the first Y box receives the first ram to extend through, the second Y box receives the second ram to extend through, and both are positioned inside the first X box. This nesting arrangement allows multiple processing units to be compactly arranged within the machine structure, reducing spatial complexity while enabling multi-position processing capability.
2Productivity
If automatic tool changing is implemented, then tool exchange efficiency improves, but the device structure becomes more complex
Solution Approach 1:
The tool changers are designed with automatic operation capability where the magazine disk rotates to bring the required tool to the tool changing position, and the cam mechanism automatically opens the pinch lever to transfer the tool to the spindle. This self-service automation eliminates manual tool changing while keeping the structural design relatively simple through the use of straightforward mechanical components.
Solution Approach 2:
Instead of having the spindle move to pick up tools, the patent inverts the approach by having the tool holder (pinch lever) open and close automatically at the tool changing position. The magazine disk rotates to present tools, and the cam mechanism controls the pinch lever to grasp and release tools automatically, simplifying the overall tool changing structure while maintaining high efficiency.
3Loss of time
If multiple processing units operate simultaneously, then processing time for multiple workpiece portions is reduced, but coordination complexity increases
Solution Approach 1:
The patent merges the control functions by having both processing units share common guide structures (first Y-axis guide, first X-axis guide) and common support structures (bed, first moving column). This unified framework allows simultaneous operation of multiple processing units without requiring separate control systems for each, reducing coordination complexity while enabling parallel processing to minimize total processing time.
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 machine enables efficient tool exchange and processing of multiple workpiece portions with reduced processing time, utilizing a straightforward structure that simplifies tool changing and ensures smooth movement of processing units, thereby improving productivity.
Implementation Method 1
a first elastic member configured to bias the lever portion so as to separate each other
Implementation Method 2
a second elastic member configured to bias the plunger toward the distal end for the V-plane to be pressed against the roller cam to close the pinch lever
Data Source
AI summary
A lateral processing machine, includes: a bed; a floor surface X-axis guide; a first moving column that reciprocates in X direction; a first Y-axis guide disposed on the first moving column; a first processing unit guided by the first Y-axis guide and including a first ram that supports a first spindle and advances or retracts in Z direction; a second processing unit guided by the first Y-axis guide and including a second ram that rotatably supports a second spindle and advances or retract in Z direction; a first tool changer that exchanges a tool with the first spindle positioned at a first tool changing position; and a second tool changer that exchanges the tool with the second spindle positioned at a second tool changing position when the first spindle is positioned at the first tool changing position.