CN115958227A - Multi-stage flexible shaper - Google Patents
Multi-stage flexible shaper Download PDFInfo
- Publication number
- CN115958227A CN115958227A CN202211670878.7A CN202211670878A CN115958227A CN 115958227 A CN115958227 A CN 115958227A CN 202211670878 A CN202211670878 A CN 202211670878A CN 115958227 A CN115958227 A CN 115958227A
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- square rod
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- 238000003801 milling Methods 0.000 claims abstract description 99
- 238000000227 grinding Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000000956 alloy Substances 0.000 claims description 21
- 229910045601 alloy Inorganic materials 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract description 11
- 239000004568 cement Substances 0.000 abstract description 10
- 239000000126 substance Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a multistage flexible shaper which comprises an upper joint, wherein joint threads are arranged in the upper end of the upper joint to realize connection with a drill rod, a square rod is connected to the tail end of the upper joint, a connecting sleeve is sleeved at the joint of the upper joint and the square rod, and a milling body is connected to the tail of the square rod. Due to the swing mechanism, when the cement sheath on the wall of the casing is not concentric with the casing and the like, the swing mechanism can swing to automatically align to the center of the cement sheath for grinding, milling and shaping; the device has the advantages of simple structure, convenient operation and long service life.
Description
Technical Field
The invention relates to the technical field of shaping tools in casings, in particular to a multi-stage flexible shaper.
Background
In the existing shaper, the grinding sizes are all consistent and have no gradually-changed sizes, and only the same size can be used for grinding and shaping hard substances in a sleeve or other pipelines, so that the grinding difficulty in the initial stage is very high (the grinding of the hard substances with larger sizes can be realized when the initial grinding is performed); meanwhile, as the shape of a sleeve or other pipelines may change in the long-term use process, the existing reshaper cannot change the integral structure, and cannot be performed in a swinging or eccentric grinding mode.
The existing shaper has poor technical effect of grinding and shaping hard substances such as cement rings, water scales and the like in a sleeve or other pipelines, can only drill down once and then drill up, and then products with other specifications are replaced, and the sleeve with different pipe diameters is milled and shaped by drilling down and sleeving for many times.
Disclosure of Invention
The invention aims to provide a multi-stage flexible shaper, which can finish grinding and shaping of a multi-stage sleeve by one-time drilling, and can improve grinding and shaping efficiency by swinging, eccentric grinding and other conditions so as to make up for the defects and shortcomings in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a multi-stage flexible shaper comprises an upper connector, wherein a connector thread is arranged in the upper end of the upper connector to realize connection with a drill rod, a square rod is connected to the tail end of the upper connector, a connecting sleeve is sleeved at the joint of the upper connector and the square rod, and a milling body is connected to the tail of the square rod;
a plurality of arc-shaped clamping plates are arranged on the end face of the tail end of the upper joint, and a spline groove is formed in a gap between every two adjacent arc-shaped clamping plates; the diameter of a cylinder enclosed by the arc-shaped clamping plates is smaller than that of the tail end of the upper joint;
the square rod is provided with a spherical clamping table structure in the middle, a plurality of arc-shaped convex strips are arranged on the end face of the front end of the square rod, the outer surfaces of the arc-shaped convex strips are flush with the outer surface of the front part of the square rod, the arc-shaped convex strips can be matched with spline grooves, the spline structural connection between the upper joint and the square rod is realized, and the purpose of torque transmission is achieved;
the front part of the connecting sleeve is sleeved in the middle of the upper joint in a threaded connection mode; a clamping ring is arranged at the tail part of the connecting sleeve, the inner surface of the clamping ring is of a spherical structure, and the clamping ring and the spherical clamping platform structure are clamped with each other;
a swinging gap is reserved between a cylinder formed by the connecting sleeve and the arc-shaped clamping plate and a conical structure formed by the arc-shaped raised line, and the clamping ring and the spherical clamping table structure form a spherical swinging support; the swing gap and the spherical swing support form a flexible swing mechanism between the upper joint and the square rod; if the cement sheath on the wall of the casing is not concentric with the casing, the flexible swing mechanism can swing, so that the flexible swing mechanism can automatically align to the central position of hard materials such as the cement sheath and then mill.
As a further scheme of the invention: the front part of the square rod is of a conical structure, the tail part of the square rod is of a cylindrical structure, the size of the large end face of the conical structure is larger than that of the end face of the cylindrical structure, and a spherical radius is arranged at the joint of the conical structure and the cylindrical structure; a spherical clamping table structure is naturally formed between the front part and the tail part of the square rod; the taper of the tapered structure surrounded by the arc convex strips is consistent with the taper of the front part of the square rod; through setting up the square bar front portion into the taper structure that taper structure and arc sand grip enclose for the clearance size in swing clearance is bigger, and flexible swing mechanism's swing radian is also bigger simultaneously.
As a further scheme of the invention: an O-shaped sealing ring is arranged at the threaded connection position of the upper joint, and plays a role in sealing and preventing impurities from entering through the O-shaped sealing ring.
As a further scheme of the invention: a Y-shaped sealing ring is arranged on the square rod between the swing gap and the spherical swing support; the Y-shaped sealing ring is used for preventing liquid impurities from entering the spherical swing support and abrading the spherical surface of the spherical swing support.
As a further scheme of the invention: the milling body sequentially comprises a long drum-shaped milling body, a short drum-shaped milling body and a pear-shaped milling body; the long drum-shaped milling body is connected with the tail part of the square rod through threads and is fixed through a screw; the long drum-shaped milling body and the short drum-shaped milling body are connected through threads, and the short drum-shaped milling body and the pear-shaped milling body are connected through threads.
As a further scheme of the invention: hard alloy layers are welded on the long drum-shaped milling body, the short drum-shaped milling body and the pear-shaped milling body to form different stages of milling; the milling size of the long drum-shaped milling body is larger than that of the short drum-shaped milling body, and the milling size of the short drum-shaped milling body is larger than that of the pear-shaped milling body.
As a further scheme of the invention: the hard alloy layer is YD hard alloy, and cooling holes are arranged on the long drum-shaped milling body, the short drum-shaped milling body and the pear-shaped milling body which correspond to the front end of the hard alloy layer.
As a further scheme of the invention: the cooling hole and the axis of the milling body form an included angle; during grinding, cooling liquid flows out of the cooling holes, and the purpose of cooling is achieved.
As a further scheme of the invention: a grinding groove is formed in the milling body at the position corresponding to the hard alloy layer, and the hard alloy layer is welded in the corresponding grinding groove; the grinding groove is provided with a straight groove structure, so that the waste scraps can flow out conveniently.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the square rod is arranged between the upper joint and the milling body, and the structural relationship and the matching relationship between the square rod and the upper joint form a set of flexible swinging mechanism, so that the upper joint and the milling body can swing at a certain radian, and the purpose of improving the grinding and shaping efficiency under the conditions of swinging, eccentric grinding treatment and the like is achieved. Meanwhile, the milling body adopts a multistage sleeve grinding structure with gradually increased grinding size, so that the small-size gradual grinding mode of hard substances in the sleeve or other pipelines can be realized, the grinding difficulty is greatly reduced, and the later shaping precision or smoothness is ensured; the invention has simple structure, convenient operation and strong practicability.
Drawings
In order to more clearly illustrate embodiments or prior art solutions of the present invention, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and are therefore not to be considered limiting of scope, and that other relevant drawings may be derived from those drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a half-sectional view I of FIG. 1;
FIG. 3 is a second schematic half-section view of FIG. 1;
FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is a partially enlarged view of portion B of FIG. 2;
FIG. 6 is a schematic structural view of the upper joint of the present invention;
fig. 7 is a schematic structural view of the square bar of the present invention.
In the figure: 1. an upper joint; 1.1, an arc-shaped clamping plate; 1.2, spline grooves; 2. a square bar; 2.1, arc-shaped convex strips; 2.2, a spherical clamping table structure; 3. connecting sleeves; 3.1, a clamping ring; 4. a swing gap; 5. an O-shaped sealing ring; 6. a long drum-shaped milling body; 7. a short drum-shaped milling body; 8. milling a pear-shaped body; 9. a hard alloy layer; 10. a cooling hole; 11. grinding the groove; 12. a Y-shaped seal ring; 13. and (4) a screw.
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 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.
Referring to fig. 1-4, the present embodiment provides a technical solution: a multi-stage flexible shaper comprises an upper connector 1, wherein a connector thread is arranged in the upper end of the upper connector 1 to realize connection with a drill rod, a square rod 2 is connected to the tail end of the upper connector 1, a connecting sleeve 3 is sleeved at the joint of the upper connector 1 and the square rod 2, and a milling body is connected to the tail of the square rod 2;
the end face of the tail end of the upper joint 1 is provided with a plurality of arc-shaped clamping plates 1.1 (4 arc-shaped clamping plates 1.1 are symmetrically distributed in the embodiment), and a spline groove 1.2 is formed in a gap between every two adjacent arc-shaped clamping plates 1.1; the diameter of a cylinder enclosed by the arc-shaped clamping plate 1.1 is smaller than the diameter of the tail end of the upper joint 1;
the middle part of the square rod 1 is provided with a spherical clamping table structure 2.2 (in the embodiment, the front part of the square rod 2 is of a conical structure, the tail part of the square rod 2 is of a cylindrical structure, the large end face size of the conical structure is larger than the end face size of the cylindrical structure, and the joint of the conical structure and the cylindrical structure is provided with a spherical radius, so that the spherical clamping table structure 2.2 is naturally formed between the front part and the tail part of the square rod 2, certainly, the square rod 1 can be directly of the cylindrical structure with the same diameter, and the spherical clamping table structure 2.2 is directly arranged in the middle part of the square rod 2. The end face of the front end of the square rod 2 is provided with a plurality of arc-shaped convex strips 2.1 (in the embodiment, the taper size of the conical structure formed by the arc-shaped convex strips 2.1 is consistent with the taper of the front part of the square rod 2, the conical structure formed by the arc-shaped convex strips 2.1, the arc-shaped convex strips 2.1 without inclination are arranged relative to the cylindrical square rod 1, so that the gap size of the swing gap 4 is larger, and the arc-shaped convex strips 2.1 are flush with the outer surface of the square rod, the spline structure, and the spline joints of the spline structure can be connected with the spline joints of the square rod 1;
the front part of the connecting sleeve 3 is sleeved in the middle of the upper joint 1 in a threaded connection mode, an O-shaped sealing ring 5 is arranged at the threaded connection part of the upper joint 1, and the O-shaped sealing ring 5 is arranged to play a sealing role and prevent impurities from entering; a clamping ring 3.1 is arranged at the tail part of the connecting sleeve 3, the inner surface of the clamping ring 3.1 is of a spherical structure, and the clamping ring 3.1 and the spherical clamping table structure 2.2 are clamped with each other; a Y-shaped sealing ring 12 is arranged on the square rod 2 between the swing gap 4 and the spherical swing support seat; the Y-shaped sealing ring 12 prevents liquid impurities from entering the spherical swing support and abrading the spherical surface of the spherical swing support.
A swinging gap 4 is reserved between a cylinder surrounded by the connecting sleeve 3 and the arc-shaped clamping plate 1.1 and a conical structure surrounded by the arc-shaped convex strips 2.1, and the clamping ring 3.1 and the spherical clamping table structure 2.2 form a spherical swinging support; the swing gap 4 and the spherical swing support form a flexible swing mechanism between the upper joint 1 and the square rod 2; if the cement sheath on the wall of the casing is not concentric with the casing, the flexible swing mechanism can swing, so that the flexible swing mechanism can automatically align the center positions of hard objects such as the cement sheath and then mill the cement sheath.
The milling body sequentially comprises a long drum-shaped milling body 6, a short drum-shaped milling body 7 and a pear-shaped milling body 8; the long drum-shaped milling body 6 is in threaded connection with the tail part of the square rod 2 and is fixed through a screw 13; the long drum-shaped milling body 6 is in threaded connection with the short drum-shaped milling body 7, and the short drum-shaped milling body 7 is in threaded connection with the pear-shaped milling body 8; hard alloy layers 9 are respectively welded on the long drum-shaped milling body 6, the short drum-shaped milling body 7 and the pear-shaped milling body 8, the hard alloy layers (9) are YD hard alloy, grinding grooves 11 are formed in the milling bodies at the corresponding positions of the hard alloy layers 9, and the hard alloy layers 9 are welded in the corresponding grinding grooves 11; the grinding groove 11 is provided with a straight groove structure, so that the grinding groove 11 is arranged on a milling body at a position corresponding to the hard alloy layer 9, which is convenient for scraps to flow out, and the hard alloy layer 9 is welded in the corresponding grinding groove 11; the grinding groove 11 is provided with a straight groove structure, so that the waste chips can flow out conveniently to form different stages of grinding and milling; the milling size of the long drum-shaped milling body 6 is larger than that of the short drum-shaped milling body 7, and the milling size of the short drum-shaped milling body 7 is larger than that of the pear-shaped milling body 8; cooling holes 10 are formed in the long drum-shaped milling body 6, the short drum-shaped milling body 7 and the pear-shaped milling body 8 which correspond to the front end of the hard alloy layer 9; an included angle is formed between the cooling hole 10 and the axis of the milling body; during grinding, cooling liquid flows out of the cooling holes 10, so that the cooling purpose is achieved.
When the pear-shaped milling body is used specifically, if the hard substance of the sleeve with the inner diameter phi 110 needs to be ground and shaped, the grinding and milling size of the pear-shaped milling body 8 is phi 96; the milling size of the short drum-shaped milling body 7 is phi 103, the milling size of the long drum-shaped milling body 6 is phi 110, and the sizes of phi 96, phi 103 and phi 110 can be respectively ground and shaped by facing the grinding of hard substances on the inner wall of the targeted casing; and the grinding and shaping efficiency can be improved by utilizing the conditions that the flexible swinging mechanism can swing, carry out eccentric grinding treatment and the like. Hard substances in three-stage sleeves with different sizes are ground, a first-stage sleeve is ground by a pear-shaped milling body 8, a second-stage sleeve is ground by a short drum-shaped milling body 7, and a third-stage sleeve is ground by a long drum-shaped milling body 6, so that the three-stage sleeve is ground and shaped by one-time drilling.
The grinding efficiency of the embodiment is high, the grinding and milling sizes of the long drum-shaped milling body, the short drum-shaped milling body and the pear-shaped milling body are different, and grinding and shaping of multi-stage sleeves with different sizes are realized by one-time drilling. Due to the swing mechanism, when the cement sheath on the wall of the casing is not concentric with the casing and the like, the swing mechanism can swing to automatically align to the center of the cement sheath for milling and shaping; the device has the advantages of simple structure, convenient operation and long service life.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a multistage flexible reshaper, includes top connection (1), set up the joint screw thread in the upper end of top connection (1), realize being connected with the drilling rod, its characterized in that:
the tail end of the upper joint (1) is connected with a square rod (2), a connecting sleeve (3) is sleeved at the joint of the upper joint (1) and the square rod (2), and the tail part of the square rod (2) is connected with a milling body;
a plurality of arc-shaped clamping plates (1.1) are arranged on the end face of the tail end of the upper joint (1), and a spline groove (1.2) is formed in a gap between every two adjacent arc-shaped clamping plates (1.1); the diameter of a cylinder enclosed by the arc-shaped clamping plate (1.1) is smaller than that of the tail end of the upper joint (1);
a spherical clamping table structure (2.2) is arranged in the middle of the square rod (1), a plurality of arc-shaped convex strips (2.1) are arranged on the end face of the front end of the square rod (2), the outer surfaces of the arc-shaped convex strips (2.1) are flush with the outer surface of the front part of the square rod (2), the arc-shaped convex strips (2.1) can be matched with the spline grooves (1.2) mutually, the spline structural connection between the upper joint (1) and the square rod (2) is realized, and the purpose of torque transmission is achieved;
the front part of the connecting sleeve (3) is sleeved in the middle of the upper joint (1) in a threaded connection mode; a clamping ring (3.1) is arranged at the tail part of the connecting sleeve (3), the inner surface of the clamping ring (3.1) is of a spherical structure, and the clamping ring (3.1) and the spherical clamping table structure (2.2) are clamped mutually;
a swinging gap (4) is reserved between a cylinder formed by the connecting sleeve (3) and the arc-shaped clamping plate (1.1) and a conical structure formed by the arc-shaped raised lines (2.1), and the clamping ring (3.1) and the spherical clamping table structure (2.2) form a spherical swinging support; the swing gap (4) and the spherical swing support form a flexible swing mechanism between the upper joint (1) and the square rod (2).
2. The multi-stage flexible shaper according to claim 1, wherein: the front part of the square rod (2) is of a conical structure, the tail part of the square rod (2) is of a cylindrical structure, the size of the large end face of the conical structure is larger than that of the end face of the cylindrical structure, and a spherical radius is arranged at the joint of the conical structure and the cylindrical structure; a spherical clamping table structure (2.2) is naturally formed between the front part and the tail part of the square rod (2); the taper of the conical structure enclosed by the arc convex strips (2.1) is consistent with the taper of the front part of the square rod (2).
3. A multi-stage flexible shaper according to claim 1, wherein: an O-shaped sealing ring (5) is arranged at the threaded connection position of the upper joint (1).
4. A multi-stage flexible shaper according to claim 1, wherein: and a Y-shaped sealing ring (12) is arranged on the square rod (2) between the swing gap (4) of the swing gap (4) and the spherical swing support.
5. A multi-stage flexible shaper according to claim 1, wherein: the milling body sequentially comprises a long drum-shaped milling body (6), a short drum-shaped milling body (7) and a pear-shaped milling body (8); the long drum-shaped milling body (6) is connected with the tail part of the square rod (2) through threads and is fixed through a screw (13); the long drum-shaped milling body (6) is connected with the short drum-shaped milling body (7) through threads, and the short drum-shaped milling body (7) is connected with the pear-shaped milling body (8) through threads.
6. The multi-stage flexible shaper of claim 5, wherein: hard alloy layers (9) are respectively welded on the long drum-shaped milling body (6), the short drum-shaped milling body (7) and the pear-shaped milling body (8) to form different stages of milling; the milling size of the long drum-shaped milling body (6) is larger than that of the short drum-shaped milling body (7), and the milling size of the short drum-shaped milling body (7) is larger than that of the pear-shaped milling body (8).
7. The multi-stage flexible shaper of claim 6, wherein: the hard alloy layer (9) is YD hard alloy, and cooling holes (10) are formed in a long drum-shaped milling body (6), a short drum-shaped milling body (7) and a pear-shaped milling body (8) which correspond to the front end of the hard alloy layer (9).
8. The multi-stage flexible shaper of claim 7, wherein: the cooling hole (10) and the axis of the milling body form an included angle.
9. The multi-stage flexible shaper of claim 6, wherein: a grinding groove (11) is formed in the milling body at the position corresponding to the hard alloy layer (9), and the hard alloy layer (9) is welded in the corresponding grinding groove (11); the grinding groove (11) is provided with a straight groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211670878.7A CN115958227B (en) | 2022-12-24 | 2022-12-24 | Multistage flexible shaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211670878.7A CN115958227B (en) | 2022-12-24 | 2022-12-24 | Multistage flexible shaper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115958227A true CN115958227A (en) | 2023-04-14 |
| CN115958227B CN115958227B (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211670878.7A Active CN115958227B (en) | 2022-12-24 | 2022-12-24 | Multistage flexible shaper |
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| Country | Link |
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| CN (1) | CN115958227B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB512274A (en) * | 1938-05-23 | 1939-08-31 | Frank Purl Miller | Improvements in cutting tools of the inserted blade type |
| GB709060A (en) * | 1952-12-30 | 1954-05-12 | Herbert Ltd A | Improvements relating to bar chucks |
| GB1057420A (en) * | 1964-12-30 | 1967-02-01 | British Aircraft Corp Ltd | Improved grinding means for internal screw-threads |
| CN2084976U (en) * | 1991-02-21 | 1991-09-18 | 四川石油管理局川东钻探公司 | Cut dill for opening window on drivepipe |
| EP0881020A1 (en) * | 1997-05-28 | 1998-12-02 | OMFB Componenti Oleodinamici S.p.A. | Method and tool for working grooves with spherical undercutting |
| US20090000824A1 (en) * | 2007-06-28 | 2009-01-01 | Beijing Wanwei Yitong Technological Development Co. Ltd | Tools and technology of radical and level drilling/well completion under ultra-short radius |
| CN204344039U (en) * | 2014-12-18 | 2015-05-20 | 贵州高峰石油机械股份有限公司 | A kind of hydraulic variable diameter junk mill with guide cone |
| CN204584441U (en) * | 2015-03-30 | 2015-08-26 | 苏州蓝王机床工具科技有限公司 | A kind of slide block snap lock compact form position-adjustable chamfering device |
| EP3042729A1 (en) * | 2015-01-12 | 2016-07-13 | Sandvik Intellectual Property AB | Ceramic milling cutter |
| CN110886586A (en) * | 2019-12-18 | 2020-03-17 | 贵州高峰石油机械股份有限公司 | Method for improving cutting efficiency of grinding shoe and fracture centering grinding and milling shoe used in method |
| EP3785833A1 (en) * | 2019-08-30 | 2021-03-03 | AB Sandvik Coromant | A milling tool body and an assembly |
| CN113458470A (en) * | 2021-07-27 | 2021-10-01 | 李日新 | Multi-edge milling cutter suitable for processing light materials |
-
2022
- 2022-12-24 CN CN202211670878.7A patent/CN115958227B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB512274A (en) * | 1938-05-23 | 1939-08-31 | Frank Purl Miller | Improvements in cutting tools of the inserted blade type |
| GB709060A (en) * | 1952-12-30 | 1954-05-12 | Herbert Ltd A | Improvements relating to bar chucks |
| GB1057420A (en) * | 1964-12-30 | 1967-02-01 | British Aircraft Corp Ltd | Improved grinding means for internal screw-threads |
| CN2084976U (en) * | 1991-02-21 | 1991-09-18 | 四川石油管理局川东钻探公司 | Cut dill for opening window on drivepipe |
| EP0881020A1 (en) * | 1997-05-28 | 1998-12-02 | OMFB Componenti Oleodinamici S.p.A. | Method and tool for working grooves with spherical undercutting |
| US20090000824A1 (en) * | 2007-06-28 | 2009-01-01 | Beijing Wanwei Yitong Technological Development Co. Ltd | Tools and technology of radical and level drilling/well completion under ultra-short radius |
| CN204344039U (en) * | 2014-12-18 | 2015-05-20 | 贵州高峰石油机械股份有限公司 | A kind of hydraulic variable diameter junk mill with guide cone |
| EP3042729A1 (en) * | 2015-01-12 | 2016-07-13 | Sandvik Intellectual Property AB | Ceramic milling cutter |
| CN204584441U (en) * | 2015-03-30 | 2015-08-26 | 苏州蓝王机床工具科技有限公司 | A kind of slide block snap lock compact form position-adjustable chamfering device |
| EP3785833A1 (en) * | 2019-08-30 | 2021-03-03 | AB Sandvik Coromant | A milling tool body and an assembly |
| CN110886586A (en) * | 2019-12-18 | 2020-03-17 | 贵州高峰石油机械股份有限公司 | Method for improving cutting efficiency of grinding shoe and fracture centering grinding and milling shoe used in method |
| CN113458470A (en) * | 2021-07-27 | 2021-10-01 | 李日新 | Multi-edge milling cutter suitable for processing light materials |
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| Publication number | Publication date |
|---|---|
| CN115958227B (en) | 2024-04-16 |
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