Rotary Coolant Nozzle With Port Blocking for On-Off Control
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Solution Overview
Problem
Existing coolant supply devices cannot easily switch the ejection of coolant on and off, limiting their operational flexibility.
Innovation Solution
A coolant supply device featuring a rotary nozzle with an adjustable ejection port, allowing the ejection allowed range and ejection stopped range to be switched by rotating the nozzle, enabling easy on/off control of coolant ejection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed nozzle structure is used, then the device structure is simple, but the ejection direction cannot be adjusted and operational flexibility is limited
Solution Approach 1:
The nozzle is designed to rotate about its axis, transforming from a fixed structure to a dynamic one. This rotation capability allows the ejection direction to be adjusted freely while maintaining a relatively simple cylindrical structure. The dynamic element (rotation) provides adaptability without requiring complex multi-component mechanisms.
Solution Approach 2:
The rotary nozzle serves multiple functions: it maintains coolant supply while enabling direction adjustment. The single rotating component achieves both the function of a fixed nozzle (coolant delivery) and adds directional adaptability, avoiding the need for separate adjustment mechanisms.
2Ease of operation
If a rotary nozzle is used for direction adjustment, then ejection direction can be changed, but ejection cannot be easily switched on and off
Solution Approach 1:
The nozzle's own rotation serves dual purposes: it adjusts the ejection direction and simultaneously controls the on/off state of coolant ejection. When the nozzle rotates to specific positions, the ejection port is naturally blocked or opened, eliminating the need for separate control valves or mechanisms.
Solution Approach 2:
The directional adjustment function and the on/off control function are merged into a single rotary motion. The same rotational movement that changes ejection direction also controls whether coolant is ejected or blocked, simplifying the overall control system.
3Adaptability or versatility
If the ejection port is always open, then coolant can be supplied continuously, but operational flexibility and adaptability are reduced
Solution Approach 1:
The ejection port transitions from a static open state to a dynamic state where it can be opened or blocked based on rotational position. This dynamic control allows the system to adapt coolant supply to actual machining needs while maintaining the capability for continuous supply when required.
Data Source
AI summary
Provided are a coolant supply device and a machine tool in which ejection of a coolant is easily switched on and off. A coolant supply device 10 for supplying a coolant to a workpiece machining area in a machine tool, the coolant supply device comprising: a rotary nozzle 40 formed to have a cylindrical shape and having, at an outer circumferential face thereof having the cylindrical shape, an ejection port 51 for ejecting the coolant; and a supply device body 20 rotatably supporting the rotary nozzle and configured to be capable of supplying the coolant to the rotary nozzle. The supply device body is configured to be capable of switching an ejection allowed range in which the ejection port is opened and an ejection stopped range in which the ejection port is blocked from each other in accordance with rotation of the rotary nozzle.