Hidden cutting fluid waterway circulation structure for numerical control machine tool

By adopting a concealed cutting fluid water channel structure on CNC machine tools, the problems of uneven cooling and interference of the rotating grinding head were solved, achieving a stable supply of cutting fluid and efficient operation of the equipment.

CN224347650UActive Publication Date: 2026-06-12GUIZHOU ANXIN NUMERICAL CONTROL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUIZHOU ANXIN NUMERICAL CONTROL TECH CO LTD
Filing Date
2025-06-24
Publication Date
2026-06-12

AI Technical Summary

⚠Technical Problem

Traditional pipeline installation methods can lead to insufficient cooling, uneven spraying, and machine tool interference on CNC machine tools with rotary grinding heads, affecting the operation process.

⚗Method used

It adopts a concealed cutting fluid water passage structure, which integrates a central water pipe inside the rotating frame and combines a fixed sleeve and pipe joint to achieve pipeline concealment. It employs a multi-stage sealing design and modular components to ensure stability and sealing during rotation.

🎯Benefits of technology

It improves the reliability and uniformity of cutting fluid supply, extends pipeline life, reduces leakage risk, enhances the safety of the machining environment and the operational stability of equipment, and reduces maintenance costs and noise.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224347650U_ABST
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Abstract

This utility model discloses a concealed cutting fluid water circulation structure for CNC machine tools, relating to the field of innovative CNC machine tool structures. It includes a grinding frame base and a fixed support. A DD motor is detachably installed inside the grinding frame base. A rotating frame is detachably connected to the rotating end face of the DD motor, and a grinding head is mounted on the rotating frame. A cutting fluid nozzle is detachably installed on the upper end of the rotating frame, and a central water pipe is horizontally installed at the lower end of the rotating frame. A fixed sleeve is installed on the fixed support, and a headless nut is provided on the fixed sleeve to secure the hose. Three sealing rings are installed between the fixed sleeve and the central water pipe. This concealed cutting fluid water circulation structure for CNC machine tools, through concealed piping, multi-stage sealing, and modular design, avoids pipe wear and leakage, improving maintenance convenience; precise fluid flow control enhances cooling and lubrication effects; and dynamic-static separation transmission reduces noise and vibration, further improving equipment performance.
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