Deep hole drill with cooling groove
By designing a deep-hole drill bit with a cooling groove, the automatic unblocking and cleaning of the coolant channels is achieved by utilizing the rotational kinetic energy of the drill bit, thus solving the problem of coolant channel blockage and improving processing efficiency and automation level.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- WUHAN PUNOK PRECISION TOOLS CO LTD
- Filing Date
- 2026-05-18
- Publication Date
- 2026-07-17
AI Technical Summary
After drilling, fine chips or powder tend to adhere to the inner wall of the coolant channel of existing deep hole drill bits with cooling grooves. If not removed in time, this can scratch the workpiece or affect the flow of coolant. Moreover, the existing unblocking methods are cumbersome and time-consuming, which affects processing efficiency.
Design a deep hole drill bit with a cooling groove. Utilize the drill bit's own rotational kinetic energy to automatically store air during drill bit rotation via a centrifugal self-lifting component and a self-cleaning component. After rotation ends, generate instantaneous shock wave pulse pressure to unclog coolant channels. Furthermore, clean impurities in the chip removal groove through a cleaning brush and airflow working together to achieve automated unblocking and cleaning.
It enables timely unblocking and cleaning of coolant channels, avoids workpiece scratches and coolant flow issues, simplifies the cleaning process, and improves the continuity and automation level of deep hole machining.
Smart Images
Figure CN122400623A_ABST