CN110984895A - High-efficiency composite milling tool - Google Patents

High-efficiency composite milling tool Download PDF

Info

Publication number
CN110984895A
CN110984895A CN201911183151.4A CN201911183151A CN110984895A CN 110984895 A CN110984895 A CN 110984895A CN 201911183151 A CN201911183151 A CN 201911183151A CN 110984895 A CN110984895 A CN 110984895A
Authority
CN
China
Prior art keywords
hole
mounting
connecting end
shoe body
milling
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.)
Pending
Application number
CN201911183151.4A
Other languages
Chinese (zh)
Inventor
郭大进
郭乃宏
郭湧
郭峰
郭敏
卞银华
张鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaian Jingshen Drilling Machine Tools Co ltd
Original Assignee
Huaian Jingshen Drilling Machine Tools Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huaian Jingshen Drilling Machine Tools Co ltd filed Critical Huaian Jingshen Drilling Machine Tools Co ltd
Priority to CN201911183151.4A priority Critical patent/CN110984895A/en
Publication of CN110984895A publication Critical patent/CN110984895A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B29/00Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground

Abstract

The invention discloses a high-efficiency composite milling tool which comprises a mounting end and a milling shoe body, wherein a connecting end is integrally formed at the bottom of the mounting end, a mounting threaded hole for mounting a device on driving equipment is formed in the inner top of the mounting end, a second communicating hole is formed in the inner bottom surface of the mounting threaded hole, a distribution hole is formed in the connecting end and communicated with the second communicating hole, a plurality of third communicating holes penetrating through the bottom surface of the connecting end are formed in the bottom surface of the distribution hole, and the third communicating holes are uniformly distributed by taking the axis of the distribution hole as the center. Has the advantages that: this high-efficient compound milling tool can be after the mill shoe body damages, can pull down the mill shoe body through taking out mounting screw, is convenient for realize the dismantlement installation of mill shoe body to be convenient for realize the maintenance and the change to the mill shoe body, can make the device installation not equidimension simultaneously, the mill shoe of different grade type facilitates the use, and application scope is wide.

Description

High-efficiency composite milling tool
Technical Field
The invention relates to the technical field of grinding shoes, in particular to a high-efficiency composite grinding and milling tool.
Background
The milling shoe is a downhole tool for milling downhole falling objects, and is mainly used for milling downhole falling objects such as joints, drill rods, oil pipes, roller bits and the like.
A high-efficiency mill shoe belongs to a well repairing tool. The lower end of the hard body section is connected with the upper end of the soft body section, and the hard alloy columns are alternately embedded at the bottom of the soft body section. It has the advantage that grinding efficiency is high.
Present mill shoe is when using, and the welding of mill shoe body and alloy post is in the same place usually, sets up like this and damages the back at the mill shoe body, and alloy post and mill shoe body are all scrapped, and inconvenient maintenance wastes the resource, increases use cost.
Disclosure of Invention
The present invention aims to solve the above problems and to provide a highly efficient composite milling tool.
The technical scheme of the invention is realized as follows:
the efficient composite milling tool comprises a mounting end and a milling shoe body, wherein a connecting end is integrally formed at the bottom of the mounting end, a mounting threaded hole for mounting a device on driving equipment is formed in the inner top of the mounting end, a second communicating hole is formed in the inner bottom surface of the mounting threaded hole, a distribution hole is formed in the connecting end and is communicated with the second communicating hole, a plurality of third communicating holes penetrating through the bottom surface of the connecting end are formed in the bottom surface of the distribution hole, and the third communicating holes are uniformly distributed by taking the axis of the distribution hole as the center;
the side surface of the connecting end is provided with a mounting plane, the bottom surface of the connecting end is provided with an inserting hole, the surface of the mounting plane is provided with a fixing threaded hole, and the fixing threaded hole is communicated with the inserting hole; the milling shoe comprises a milling shoe body and is characterized in that an inserting end is installed on the top surface of the milling shoe body, a locking hole is formed in the surface of the inserting end and is coaxial with a fixing threaded hole, a mounting screw penetrating out of the fixing threaded hole is installed in the locking hole through threads, a water drainage hole penetrates through the bottom surface of the inserting end, and the water drainage hole is communicated with a communication hole in a three-phase mode.
Furthermore, the surface of the outer side of the mounting end is provided with a sealing groove in a surrounding mode, and a sealing ring is embedded in the sealing groove in a clamping mode.
Furthermore, the mounting planes are symmetrically arranged on the outer sides of the connecting ends, and the two groups of mounting screws are also arranged.
Furthermore, the positions, not on the installation plane, outside the connecting end are uniformly provided with vertically distributed rack cutter grooves, and side milling blades are installed inside the rack cutter grooves.
Furthermore, a first communication hole penetrates through the side face of the connecting end and is positioned at the top of the tool rest groove, and the first communication hole is communicated with the first communication hole in a three-phase mode.
Further, a communication groove is formed in the bottom surface of the milling shoe body and communicated with the water drainage hole.
By adopting the technical scheme, the invention has the beneficial effects that: this high-efficient compound milling tool can be after the mill shoe body damages, can pull down the mill shoe body through taking out mounting screw, is convenient for realize the dismantlement installation of mill shoe body to be convenient for realize the maintenance and the change to the mill shoe body, can make the device installation not equidimension simultaneously, the mill shoe of different grade type facilitates the use, and application scope is wide.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is an internal cross-sectional view of the present invention;
fig. 3 is a bottom view of the present invention.
The reference numerals are explained below:
1. grinding the shoe body; 101. a water drain hole; 102. a communicating groove; 103. a plug end; 104. a locking hole; 2. mounting screws; 3. a connecting end; 301. a tool rest groove; 302. a first communication hole; 303. a mounting plane; 304. inserting holes; 305. fixing the threaded hole; 306. a dispensing aperture; 307. a communicating hole III; 4. an installation end; 401. installing a threaded hole; 402. a second communication hole; 403. a sealing groove; 5. a seal ring; 6. and milling the edge at the side position.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the high-efficiency composite milling tool comprises a mounting end 4 and a milling shoe body 1, wherein a connecting end 3 is integrally formed at the bottom of the mounting end 4, a mounting threaded hole 401 for mounting a device on a driving device is formed in the top inside the mounting end 4, a second communicating hole 402 is formed in the bottom surface of the mounting threaded hole 401, a distribution hole 306 is formed in the connecting end 3, the distribution hole 306 is communicated with the second communicating hole 402, a plurality of third communicating holes 307 penetrating through the bottom surface of the connecting end 3 are formed in the bottom surface of the distribution hole 306, and the third communicating holes 307 are uniformly arranged by taking the axis of the distribution hole 306 as the center;
a mounting plane 303 is arranged on the side surface of the connecting end 3, an inserting hole 304 is arranged on the bottom surface of the connecting end 3, a fixing threaded hole 305 is arranged on the surface of the mounting plane 303, and the fixing threaded hole 305 is communicated with the inserting hole 304; the top surface of the milling shoe body 1 is provided with an inserting end 103, the surface of the inserting end 103 is provided with a locking hole 104, the locking hole 104 is coaxial with the fixing threaded hole 305, a mounting screw 2 penetrating out of the fixing threaded hole 305 is mounted in the locking hole 104 through threads, the bottom surface of the inserting end 103 is provided with a drain hole 101 in a penetrating mode, and the drain hole 101 is communicated with the communication hole III 307.
In this embodiment, the outer side surface of the mounting end 4 is surrounded by a sealing groove 403, and a sealing ring 5 is embedded in the sealing groove 403, so that when the device is connected with an external driving device, the device can be sealed by the sealing ring 5.
In this embodiment, the mounting planes 303 are symmetrically arranged at the outer side of the connecting end 3, and the two sets of mounting screws 2 are also arranged, so that the inserting end 103 can be locked and fixed by the two sets of mounting screws 2, and the mounting stability of the milling shoe body 1 is ensured.
In this embodiment, the positions, other than the mounting plane 303, outside the connecting end 3 are uniformly provided with the rack cutter grooves 301 which are vertically distributed, and the side milling blades 6 are installed inside the rack cutter grooves 301, so that the side cutting can be performed by the side milling blades 6, and the function of the device is more complete.
In this embodiment, a first communication hole 302 is formed through the side surface of the connecting end 3 at the top of the holder groove 301, and the first communication hole 302 is communicated with a third communication hole 307, so that the cooling water in the third communication hole 307 can be guided to the top of the side milling edge 6 through the first communication hole 302, thereby facilitating flushing down of scraps on the surface of the side milling edge 6 and cooling of the side milling edge 6.
In this embodiment, the bottom surface of the mill body 1 is provided with the communicating groove 102, and the communicating groove 102 is communicated with the drainage hole 101, so that the communicating groove 102 can guide the liquid flowing out of the drainage hole 101, and the mill body 1 can be cooled and washed.
When the milling shoe body 1 is used, the mounting end 4 of the device is connected with a driving device through the mounting threaded hole 401, the inserting end 103 of the milling shoe body 1 is inserted into the inserting hole 304, and the mounting screw 2 is sequentially inserted into the fixing threaded hole 305 and the locking hole 104 through threads, so that when the milling shoe body 1 is mounted and fixed, the driving device drives the milling shoe body 1 to rotate through the mounting end 4 and the connecting end 3, so that milling operation is performed, in the process, grinding fluid flows into the distribution groove from the second communication hole 402, flows to a grinding position through the second communication hole 402 and the water drainage hole 101, so that ground waste scraps are washed away, and the milling shoe body 1 is cooled.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. High-efficient compound milling tool, its characterized in that: the grinding shoe comprises a mounting end (4) and a grinding shoe body (1), wherein a connecting end (3) is integrally formed at the bottom of the mounting end (4), a mounting threaded hole (401) for mounting a device on driving equipment is formed in the inner top of the mounting end (4), a communicating hole II (402) is formed in the inner bottom surface of the mounting threaded hole (401), a distribution hole (306) is formed in the connecting end (3), the distribution hole (306) is communicated with the communicating hole II (402), a plurality of communicating holes III (307) penetrating through the bottom surface of the connecting end (3) are formed in the bottom surface of the distribution hole (306), and the communicating holes III (307) are uniformly distributed by taking the axis of the distribution hole (306) as the center;
a mounting plane (303) is arranged on the side surface of the connecting end (3), an inserting hole (304) is formed in the bottom surface of the connecting end (3), a fixing threaded hole (305) is formed in the surface of the mounting plane (303), and the fixing threaded hole (305) is communicated with the inserting hole (304); the milling shoe comprises a milling shoe body (1) and is characterized in that a plug-in end (103) is installed on the top surface of the milling shoe body (1), a locking hole (104) is formed in the surface of the plug-in end (103), the locking hole (104) is coaxial with a fixing threaded hole (305), a mounting screw (2) penetrating out of the fixing threaded hole (305) is installed in the locking hole (104) through threads, a drain hole (101) penetrates through the bottom surface of the plug-in end (103), and the drain hole (101) is communicated with a communication hole III (307).
2. The efficient composite milling tool as set forth in claim 1, wherein: the surface of the outer side of the mounting end (4) is provided with a sealing groove (403) in a surrounding mode, and a sealing ring (5) is embedded in the sealing groove (403) in a clamping mode.
3. The efficient composite milling tool as set forth in claim 1, wherein: the mounting planes (303) are symmetrically arranged on the outer side of the connecting end (3), and the mounting screws (2) are also provided with two groups.
4. The efficient composite milling tool as set forth in claim 1, wherein: the positions, not on the mounting plane (303), of the outer side of the connecting end (3) are evenly provided with vertically distributed rack cutter grooves (301), and side milling blades (6) are mounted inside the rack cutter grooves (301).
5. The efficient composite milling tool as set forth in claim 4, wherein: the side surface of the connecting end (3) is positioned at the top of the tool rest groove (301) and is provided with a first communication hole (302) in a penetrating mode, and the first communication hole (302) is communicated with a third communication hole (307).
6. The efficient composite milling tool as set forth in claim 1, wherein: the bottom surface of the milling shoe body (1) is provided with a communication groove (102), and the communication groove (102) is communicated with the water drainage hole (101).
CN201911183151.4A 2019-11-27 2019-11-27 High-efficiency composite milling tool Pending CN110984895A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911183151.4A CN110984895A (en) 2019-11-27 2019-11-27 High-efficiency composite milling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911183151.4A CN110984895A (en) 2019-11-27 2019-11-27 High-efficiency composite milling tool

Publications (1)

Publication Number Publication Date
CN110984895A true CN110984895A (en) 2020-04-10

Family

ID=70087428

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911183151.4A Pending CN110984895A (en) 2019-11-27 2019-11-27 High-efficiency composite milling tool

Country Status (1)

Country Link
CN (1) CN110984895A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113309480A (en) * 2021-07-29 2021-08-27 中国石油集团川庆钻探工程有限公司 Anti-sticking milling shoe and drilling, grinding and milling tool for coiled tubing

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130051940A1 (en) * 2011-02-24 2013-02-28 Kennametal Inc. Milling cutter, especially a round-head milling cutter
CN203081373U (en) * 2012-12-26 2013-07-24 辽宁石油机械制造有限公司 Replaceable flat milling shoes
CN203188952U (en) * 2013-04-02 2013-09-11 马艳 Special-effect grinding shoe
CN103775014A (en) * 2012-12-14 2014-05-07 贵州高峰石油机械股份有限公司 Grinding shoe used for grinding and milling under the shaft of oil field and manufacturing method thereof
CN203626677U (en) * 2013-12-26 2014-06-04 贵州高峰石油机械股份有限公司 Righting type efficient embedded grind shoe
CN203783506U (en) * 2014-04-03 2014-08-20 中国石油集团川庆钻探工程有限公司 Cylindrical-tooth milling shoe used for milling of composite bridge plug
CN204960851U (en) * 2015-09-22 2016-01-13 中国石油集团川庆钻探工程有限公司 Eccentric junk mill of coiled tubing milling
CN208089255U (en) * 2018-04-17 2018-11-13 新疆格瑞迪斯石油技术股份有限公司 One kind containing special cutting teeth cutter blade junk mill
CN208885197U (en) * 2018-07-30 2019-05-21 南安市科联专利应用服务有限公司 A kind of Coal Exploitation mining drill bit being conveniently replaceable

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130051940A1 (en) * 2011-02-24 2013-02-28 Kennametal Inc. Milling cutter, especially a round-head milling cutter
CN103775014A (en) * 2012-12-14 2014-05-07 贵州高峰石油机械股份有限公司 Grinding shoe used for grinding and milling under the shaft of oil field and manufacturing method thereof
CN203081373U (en) * 2012-12-26 2013-07-24 辽宁石油机械制造有限公司 Replaceable flat milling shoes
CN203188952U (en) * 2013-04-02 2013-09-11 马艳 Special-effect grinding shoe
CN203626677U (en) * 2013-12-26 2014-06-04 贵州高峰石油机械股份有限公司 Righting type efficient embedded grind shoe
CN203783506U (en) * 2014-04-03 2014-08-20 中国石油集团川庆钻探工程有限公司 Cylindrical-tooth milling shoe used for milling of composite bridge plug
CN204960851U (en) * 2015-09-22 2016-01-13 中国石油集团川庆钻探工程有限公司 Eccentric junk mill of coiled tubing milling
CN208089255U (en) * 2018-04-17 2018-11-13 新疆格瑞迪斯石油技术股份有限公司 One kind containing special cutting teeth cutter blade junk mill
CN208885197U (en) * 2018-07-30 2019-05-21 南安市科联专利应用服务有限公司 A kind of Coal Exploitation mining drill bit being conveniently replaceable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113309480A (en) * 2021-07-29 2021-08-27 中国石油集团川庆钻探工程有限公司 Anti-sticking milling shoe and drilling, grinding and milling tool for coiled tubing

Similar Documents

Publication Publication Date Title
CN110984895A (en) High-efficiency composite milling tool
CN106625010B (en) A kind of water cooling type drilling hole machine tool
CN212857903U (en) Three-edge drill bit capable of being cooled rapidly
CN211872859U (en) A protector for preventing river course coastal soil erosion and water loss
CN204125968U (en) The anti-water collecting device of a kind of cable shaft
CN102380645A (en) Internal-cooling drill bit
CN106759292B (en) The segment type steel pile casting split convenient for recycling
CN203209751U (en) Self-chip-removal inner-cooling drill
CN211230258U (en) Stepped drag bit
CN216680379U (en) Alloy inner-cooling stepped drill convenient for replacing inner cooling liquid
CN216680409U (en) Aluminum alloy milling cutter with installation location structure
CN211387054U (en) Drilling machine with double water spraying functions
CN210848524U (en) Special keyway milling cutter of automobile parts processing
CN104107934A (en) Internally cooled drill with automatic chip removal function
CN217290567U (en) Step drill with replaceable drilling edge
RU2499880C1 (en) Device for cutout of window in well casing string
CN213560087U (en) Assembled twist drill for deep hole machining
CN217010612U (en) Oil field well drilling motor protective housing
CN211939109U (en) Rotary drilling tool cutter capable of keeping cutting opening clean
CN212551889U (en) Diamond hole digger
CN210659979U (en) Drilling rod for coal mining machine
CN212649069U (en) Cable sealing structure of submersible pump
CN211489682U (en) Cutter of numerical control lathe
CN210370540U (en) Special grooving drill rod for preventing impact and relieving pressure
CN215392667U (en) Hard alloy stepped straight fluted drill

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