CN110666220B - 一种可变径钻头 - Google Patents
一种可变径钻头 Download PDFInfo
- Publication number
- CN110666220B CN110666220B CN201910938599.6A CN201910938599A CN110666220B CN 110666220 B CN110666220 B CN 110666220B CN 201910938599 A CN201910938599 A CN 201910938599A CN 110666220 B CN110666220 B CN 110666220B
- Authority
- CN
- China
- Prior art keywords
- variable
- drill bit
- diameter
- adjusting screw
- taper shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/06—Drills with lubricating or cooling equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/44—Margins, i.e. the narrow portion of the land which is not cut away to provide clearance on the circumferential surface
- B23B2251/446—Drills with variable margins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
- B23B51/0411—Drills for trepanning with stepped tubular cutting bodies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910938599.6A CN110666220B (zh) | 2019-09-30 | 2019-09-30 | 一种可变径钻头 |
Applications Claiming Priority (1)
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CN201910938599.6A CN110666220B (zh) | 2019-09-30 | 2019-09-30 | 一种可变径钻头 |
Publications (2)
Publication Number | Publication Date |
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CN110666220A CN110666220A (zh) | 2020-01-10 |
CN110666220B true CN110666220B (zh) | 2020-08-14 |
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Family Applications (1)
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CN201910938599.6A Active CN110666220B (zh) | 2019-09-30 | 2019-09-30 | 一种可变径钻头 |
Country Status (1)
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CN (1) | CN110666220B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114918461B (zh) * | 2022-07-22 | 2022-11-18 | 江苏万众精密工具有限公司 | 多孔径一体化钻头及其工作方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202706919U (zh) * | 2012-07-25 | 2013-01-30 | 长沙黑金刚实业有限公司 | 用于建筑物或岩层下的扩孔钻具 |
KR20150000554A (ko) * | 2013-06-24 | 2015-01-05 | 현대중공업 주식회사 | 뼈 확공용 드릴 |
CN204892997U (zh) * | 2015-06-09 | 2015-12-23 | 江西铜业股份有限公司 | 一种可调式两钻一镗复合刀具 |
FR3041277B1 (fr) * | 2015-09-18 | 2018-03-23 | Etablissements Dubourgel Grange. | Dispositif de rupture de fixation |
CN105781424A (zh) * | 2016-05-03 | 2016-07-20 | 周兆弟 | 钻杆可变径钻头机构 |
US20180266186A1 (en) * | 2017-03-14 | 2018-09-20 | Dennis BURCA | Collapsible multi-sized drill bit and method of use |
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2019
- 2019-09-30 CN CN201910938599.6A patent/CN110666220B/zh active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200717 Address after: 317500 Taizhou City, Wenling Province Industrial City Road No. three on the eastern side of the road (Zhejiang Da Pu Electrical Co., Ltd.) Applicant after: TAIZHOU WANLONGDA MEASURING TOOLS MANUFACTURE Co.,Ltd. Address before: 416-1c-9, 4th floor, Zhixin technology complex building, No. 15, Xinghuo Road, Jiangbei new district, Nanjing, Jiangsu Province Applicant before: Da Yingke (Nanjing) equipment Co.,Ltd. |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Variable diameter drill bit Effective date of registration: 20220406 Granted publication date: 20200814 Pledgee: Zhejiang Wenling United Village Bank Co.,Ltd. Pledgor: TAIZHOU WANLONGDA MEASURING TOOLS MANUFACTURE CO.,LTD. Registration number: Y2022330000461 |