Circulating type internal cooling alloy drill bit tool
The utility model relates to a circulation type internal cooling alloy drill bit cutter, including drill stem, drill stem handle, mounting handle, drill stem fixed connection to drill stem handle top, mounting handle fixed connection to drill stem handle bottom, drill stem handle inside is provided...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model relates to a circulation type internal cooling alloy drill bit cutter, including drill stem, drill stem handle, mounting handle, drill stem fixed connection to drill stem handle top, mounting handle fixed connection to drill stem handle bottom, drill stem handle inside is provided with first water guide channel, drill stem inside is provided with second water guide channel, drill stem handle top is provided with second water guide channel, drill stem handle top is provided with second water guide channel, drill stem handle top is provided with second water guide channel. The second water guide channel communicates with the first water guide channel, a water inlet hole is formed in the surface of the drill rod handle, a connecting hole is formed in the bottom of the water inlet hole, the water inlet hole communicates with the first water guide channel through the connecting hole, a heat dissipation cavity is formed in the top of the second water guide channel, and drainage micro-holes are for |
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