Hard alloy drill bit blade

The utility model relates to the technical field of mechanical equipment, and discloses a hard alloy drill bit blade. The hard alloy drill bit blade comprises a screw rod, three sets of clamping plates are clamped to the bottom of the outer wall of the screw rod, the three sets of clamping plates ar...

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Bibliographic Details
Main Authors TENG YUJUN, HE JUNJUN
Format Patent
LanguageChinese
English
Published 22.03.2024
Subjects
BORING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
TRANSPORTING
TURNING
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Summary:The utility model relates to the technical field of mechanical equipment, and discloses a hard alloy drill bit blade. The hard alloy drill bit blade comprises a screw rod, three sets of clamping plates are clamped to the bottom of the outer wall of the screw rod, the three sets of clamping plates are symmetrically and evenly distributed, a spring is fixedly connected to a gap between every two sets of clamping plates, a movable rod is fixedly connected to the bottom of each set of clamping plates, a limiting block is arranged outside each movable rod, and a fixed block is fixedly connected to the bottom of each limiting block. The outer wall of the fixing block is in threaded connection with an adjusting sleeve, the bottom of the adjusting sleeve is fixedly connected with a connecting sleeve, and when the drill bit needs to be replaced, only the adjusting sleeve needs to be screwed upwards, and the internal space of the adjusting sleeve is expanded due to a conical adjusting groove formed in the adjusting sle
Bibliography:Application Number: CN202322263016U