Detachable Long Boring Bar with Automatic Head Tool Exchange
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Solution Overview
Problem
Conventional long boring bar devices for machine tools are cumbersome, require manual detachment and reattachment, lead to equipment collisions, and lack efficient tool tip replacement, reducing productivity and increasing non-processing time.
Innovation Solution
A long boring bar device with a detachable holder and head tool clamping system, utilizing hydraulic and pneumatic pressure for automatic tool exchange, minimizing collisions, and integrating internal flow paths for oil supply, thereby enhancing productivity and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual mounting and detachment of boring bar and tool tip is used, then device complexity is reduced, but productivity decreases and non-processing time increases
Solution Approach 1:
The boring bar unit is designed to be self-contained with integrated clamping mechanisms that automatically secure the boring bar to the holder and the tool tip to the boring bar through hydraulic or pneumatic actuation, eliminating the need for manual intervention and enabling rapid tool changes
Solution Approach 2:
The boring bar unit is segmented into detachable components (holder, boring bar, tool tip) that can be independently replaced, allowing the tool tip to be exchanged without replacing the entire boring bar assembly, thus reducing non-processing time while maintaining manageable device complexity
2Ease of operation
If long boring bar is permanently mounted on turret, then ease of operation is improved, but harmful factors increase due to equipment collisions
Solution Approach 1:
The boring bar unit is designed with dynamic detachability, allowing it to be quickly mounted and detached from the turret based on processing requirements, transforming a static permanent mounting system into a flexible dynamic system that avoids collisions by removing the boring bar when not in use
Solution Approach 2:
The boring bar unit can be extracted from the turret when not needed for processing, separating it from the permanent mounting structure to prevent interference and collisions with other equipment, while still allowing rapid reattachment when required
3Manufacturing precision
If separate pipe is installed for cutting oil supply, then manufacturing precision is improved, but device complexity increases and space utilization decreases
Solution Approach 1:
The cutting oil supply system is merged with the boring bar structure by integrating internal flow paths directly into the boring bar body, combining the tool holder, boring bar, and fluid delivery system into a single integrated component, thereby eliminating separate external piping while ensuring precise cutting oil delivery to the tool tip
4Loss of time
If manual tool exchange is used, then device complexity is reduced, but loss of time increases due to non-processing time
Solution Approach 1:
The manual mechanical tool exchange process is replaced with an automated hydraulic or pneumatic actuation system that automatically clamps and releases the boring bar and tool tip, substituting human-operated mechanical fastening with automated fluid-powered mechanisms to reduce tool change 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 device improves productivity by reducing non-processing time, prevents equipment collisions, and ensures efficient tool replacement, while minimizing manufacturing costs and maximizing space utilization.
Implementation Method 1
a hydraulic pressure supply unit and a pneumatic pressure supply unit; wherein the boring bar is clamped or unclamped by a first clamping unit operated by the hydraulic pressure supplied through the hydraulic pressure supply unit
Implementation Method 2
a hydraulic pressure supply unit and a pneumatic pressure supply unit; wherein the head tool is clamped or unclamped by a second clamping unit operated by the pneumatic pressure supplied through the pneumatic pressure supply unit
Data Source
AI summary
The present disclosure relates to a long boring bar device of a machine tool and, more particularly, to a long boring bar device of a machine tool, wherein a boring bar is detachably fastened to a holder, and a head tool is detachably fastened to the boring bar to automatically exchange a head tool through an automatic tool changer, thereby reducing non-processing time and improving productivity of the machine tool.