AUTOMATIC PIPE DRILLING DEVICE

WIPO Patent Application WO/2021/051437

A1

Provided is an automatic pipe drilling device, comprising a machining table (16), wherein a material guide pipe (2) is fixedly installed on the machining table (16); a machining notch (17) is provided in the middle of an upper portion of the material guide pipe (2); clamping assemblies used for assisting with fixing a pipe (1) are installed on the portions, on two sides of the machining notch (17), of the material guide pipe (2); a top plate (5) is arranged above the material guide pipe (2), and the top plate (5) is fixedly connected to the material guide pipe (2) by means of first telescopic cylinders (4) arranged on two sides of the top plate; a drill rod (14) is rotatably mounted in the top plate (5), the drill rod (14) is driven by a driving mechanism arranged at the top of the top plate (5) to rotate, and a drill bit (15) is mounted at a lower end of the drill rod (14); and a plurality of telescopic grinding heads (19) are circumferentially distributed on an upper portion of the drill bit (15), and an air pump (13) used for controlling the grinding heads (19) to extend and retract is mounted at the top of the top plate (5). The drilling device has a good drilling machining effect on a pipe, and inner and outer surfaces of a hole can be ground and deburred, and same is conducive to application and popularization.

FEI CHENG (CN)

PCT/CN2019/108094

March 25, 2021

September 26, 2019

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SUZHOU OTTIHUA ELECTRONICS CO LTD (CN)

B23B41/00; B23B51/08; B23C3/12

CN108436133A	2018-08-24
CN106624078A	2017-05-10
CN206104968U	2017-04-19
CN106064248A	2016-11-02
CN209380018U	2019-09-13
US20100166515A1	2010-07-01
US3940214A	1976-02-24

CHANGZHOU ZIRRON PATENT OFFICE (GENERAL PARTNERSHIP) (CN)

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