CN114226822A - Indexable circular arc thread milling cutter based on aero-engine - Google Patents
Indexable circular arc thread milling cutter based on aero-engine Download PDFInfo
- Publication number
- CN114226822A CN114226822A CN202111654786.5A CN202111654786A CN114226822A CN 114226822 A CN114226822 A CN 114226822A CN 202111654786 A CN202111654786 A CN 202111654786A CN 114226822 A CN114226822 A CN 114226822A
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- Prior art keywords
- milling cutter
- blade
- aero
- engine
- arc thread
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- 238000003801 milling Methods 0.000 title claims abstract description 57
- 238000009434 installation Methods 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000670 limiting effect Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 3
- 230000017105 transposition Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
本发明公开了一种基于航空发动机用可转位圆弧螺纹铣刀，包括铣刀本体和刀片。本发明的有益效果是：本发明通过设置螺纹孔一、螺纹孔二以及紧固螺栓，利用其之间的配合作用，可以将将刀片固定安装在安装部内，而且通过设置的限位块和限位孔之间的配合作用，可以保证刀片在使用时不会发生位置改变，继而提高铣削质量；本发明中通过设置滑槽、滑块、活动块和压缩弹簧，在进行刀片安装时，利用压缩弹簧的弹力作用，可以使得刀片与安装部之间的连接更加牢固，而且刀片的外侧均匀设置有三个刀刃，且每个刀刃的表面均设置有硬质涂层，在使用时，当其中一个刀刃磨损严重时，可以通过转位利用其与两个刀刃，降低使用成本。
The invention discloses an indexable circular arc thread milling cutter based on aero-engine, comprising a milling cutter body and a blade. The beneficial effects of the present invention are: the present invention provides the first threaded hole, the second threaded hole and the tightening bolt, and the blade can be fixedly installed in the installation part by the cooperation between them, and the set limit block and limit The cooperation between the position holes can ensure that the position of the blade will not change during use, thereby improving the milling quality; in the present invention, by setting the chute, the slider, the movable block and the compression spring, when the blade is installed, the use of compression The elastic force of the spring can make the connection between the blade and the mounting part more firm, and the outer side of the blade is evenly provided with three blades, and the surface of each blade is provided with a hard coating. When the wear is serious, it can be used with the two cutting edges by indexing to reduce the cost of use.
Description
Technical Field
The invention relates to a thread milling cutter, in particular to an indexable circular arc thread milling cutter based on an aero-engine, and belongs to the technical field of milling cutters.
Background
A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine, wherein the indexable circular-arc thread milling cutter has wide application and is often applied to the field of manufacturing of aero-engines.
The existing indexing circular arc thread milling cutter has some problems when in use:
1) the conventional transposition arc thread milling cutter has a single connection mode between the blade and the mounting part, and the connection is not firm enough, so that the blade is easy to loosen in the use process and the milling precision is influenced;
the existing transposition arc thread milling cutter blade is connected with the installation part only through a bolt, the blade cannot be guaranteed not to shift when being milled, the existing blade cutting edge is easy to wear, and the use cost is increased.
Disclosure of Invention
The invention aims to solve the problems and provide an indexable circular-arc thread milling cutter for an aero-engine.
The invention realizes the purpose through the following technical scheme: comprises that
The milling cutter comprises a milling cutter body, a plurality of mounting parts and a plurality of clamping pieces, wherein the periphery of the outer side of the milling cutter body is uniformly provided with the mounting parts which are distributed in a circular shape;
the blade, it is provided with a plurality ofly, and fixes respectively in every the installation department, through setting up a plurality of blades, can improve milling efficiency.
As a still further scheme of the invention: and a mounting hole is formed in the center of the milling cutter body in a penetrating manner.
As a still further scheme of the invention: the center position of the blade is provided with a first threaded hole in a penetrating mode, the middle position of the mounting portion is provided with a second threaded hole matched with the first threaded hole, and a fastening bolt is in threaded connection between the first threaded hole and the second threaded hole.
As a still further scheme of the invention: the installation department is located the outside of screw hole two and evenly is provided with three spacing hole, and the inboard of installation department is provided with and holds the sword groove, the lower surface of blade is located the outside of screw hole one and evenly is provided with the stopper.
As a still further scheme of the invention: the sliding groove is formed in one side wall of the limiting hole, the sliding block is connected to the inside of the sliding groove in a sliding mode, the movable block is fixedly connected to one side of the sliding block in a sliding mode, the movable block is connected with the limiting hole in a sliding mode, and a compression spring is connected between the lower side of the movable block and the limiting hole.
As a still further scheme of the invention: the outer side of the blade is uniformly provided with three cutting edges, and the surface of each cutting edge is provided with a hard coating.
The invention has the beneficial effects that:
1) according to the milling cutter, the first threaded hole, the second threaded hole and the fastening bolt are arranged, the blade can be fixedly installed in the installation part by utilizing the matching effect of the first threaded hole, the second threaded hole and the fastening bolt, and the blade can be ensured not to be changed in position when in use by the matching effect of the limiting block and the limiting hole, so that the milling quality is improved;
2) according to the invention, by arranging the sliding groove, the sliding block, the movable block and the compression spring, when the blade is installed, the blade can be more firmly connected with the installation part by utilizing the elastic force action of the compression spring, three cutting edges are uniformly arranged on the outer side of the blade, and the surface of each cutting edge is provided with the hard coating.
Drawings
FIG. 1 is a schematic front view of an indexable circular-arc thread milling cutter according to the present invention;
FIG. 2 is a schematic structural view of the indexable circular-arc thread milling cutter insert of the present invention after disassembly;
FIG. 3 is a schematic view of an indexable circular-arc thread milling insert according to the present invention;
FIG. 4 is a schematic sectional view of an indexable circular-arc thread milling cutter according to the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 1. milling cutter body, 2, blade, 3, fastening bolt, 4, mounting hole, 5, installation portion, 6, compression spring, 7, spacing hole, 8, screw hole two, 9, appearance sword groove, 10, screw hole one, 11, cutting edge, 12, hardcoat, 13, stopper, 14, spout, 15, slider, 16, movable block.
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.
Example one
Referring to fig. 1 to 5, an indexable circular-arc thread milling cutter based on an aircraft engine comprises
The milling cutter comprises a milling cutter body 1, wherein a plurality of mounting parts 5 are uniformly arranged on the periphery of the outer side of the milling cutter body, and the mounting parts 5 are distributed in a circular shape;
the cutting insert 2 is provided with a plurality of cutting inserts 2 which are respectively fixed in each mounting part 5, and the milling efficiency can be improved by arranging the plurality of cutting inserts 2.
In the embodiment of the invention, the central position of the milling cutter body 1 is provided with the mounting hole 4 in a penetrating manner, so that the milling cutter body 1 and a cutter bar can be conveniently connected.
In the embodiment of the invention, the center position of the blade 2 is provided with a first threaded hole 10 in a penetrating manner, the middle position of the mounting part 5 is provided with a second threaded hole 8 matched with the first threaded hole 10, and a fastening bolt 3 is in threaded connection between the first threaded hole 10 and the second threaded hole 8, so that the blade 2 is conveniently and fixedly mounted in the mounting part 5.
In the embodiment of the invention, three limiting holes 7 are uniformly formed in the outer side of the mounting part 5, which is positioned in the second threaded hole 8, the inner side of the mounting part 5 is provided with the edge accommodating groove 9, the lower surface of the blade 2, which is positioned in the outer side of the first threaded hole 10, is uniformly provided with the limiting blocks 13, and the blade 2 can be ensured not to be changed in position when in use through the limiting action between the limiting blocks 13 and the limiting holes 7.
Example two
Referring to fig. 1 to 5, an indexable circular-arc thread milling cutter based on an aircraft engine comprises
The milling cutter comprises a milling cutter body 1, wherein a plurality of mounting parts 5 are uniformly arranged on the periphery of the outer side of the milling cutter body, and the mounting parts 5 are distributed in a circular shape;
the cutting insert 2 is provided with a plurality of cutting inserts 2 which are respectively fixed in each mounting part 5, and the milling efficiency can be improved by arranging the plurality of cutting inserts 2.
In the embodiment of the invention, a sliding groove 14 is arranged on the side wall of one side of the limiting hole 7, a sliding block 15 is connected in the sliding groove 14 in a sliding manner, a movable block 16 connected with the limiting hole 7 in a sliding manner is fixedly connected to one side of the sliding block 15, a compression spring 6 is connected between the lower side of the movable block 16 and the limiting hole 7, and the blade 2 and the mounting part 5 can be connected more firmly by utilizing the elastic force of the compression spring 6.
In the embodiment of the invention, three cutting edges 11 are uniformly arranged on the outer side of the insert 2, and the surface of each cutting edge 11 is provided with the hard coating 12, so that when one cutting edge 11 is seriously worn in use, the cutting edge can be utilized together with two cutting edges 11 through indexing, and the use cost is reduced.
The working principle is as follows: when the indexable circular arc thread milling cutter based on the aero-engine is used, the milling cutter is connected with a cutter bar through the arranged mounting hole 4, the blade 2 is fixedly mounted in the mounting portion 5 through the arrangement of the first threaded hole 10, the second threaded hole 8 and the fastening bolt 3 by utilizing the matching action between the first threaded hole and the second threaded hole, and then the blade 2 is ensured not to be changed in position when in use through the matching action between the arranged limiting block 13 and the limiting hole 7, so that the milling quality is improved; through setting up spout 14, slider 15, movable block 16 and compression spring 6, when carrying out the installation of blade 2, utilize compression spring 6's elastic force effect, can be so that blade 2 and installation department 5 between be connected more firm, the outside of blade 2 evenly is provided with three cutting edge 11 moreover, and the surface of every cutting edge 11 all is provided with stereoplasm coating 12, when using, when one of them cutting edge 11 wearing and tearing are serious, can utilize it and two cutting edges 11 through the transposition, reduce use cost.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An indexable circular arc thread milling cutter based on an aeroengine is characterized by comprising
The milling cutter comprises a milling cutter body (1), wherein a plurality of mounting parts (5) are uniformly arranged on the periphery of the outer side of the milling cutter body, and the mounting parts (5) are distributed in a circular shape;
the milling cutter comprises a plurality of blades (2) which are respectively fixed in each mounting part (5), and milling efficiency can be improved by arranging the plurality of blades (2).
2. The indexable circular-arc thread milling cutter for the aero-engine-based according to claim 1, wherein: the center position of the milling cutter body (1) is provided with a mounting hole (4) in a penetrating mode.
3. The indexable circular-arc thread milling cutter for the aero-engine-based according to claim 1, wherein: the center position of blade (2) is provided with screw hole one (10) through running through, and the intermediate position of installation department (5) is provided with screw hole two (8) with screw hole one (10) matched with, threaded connection has fastening bolt (3) between screw hole one (10) and screw hole two (8).
4. The indexable circular-arc thread milling cutter for the aero-engine-based according to claim 1, wherein: the outside that installation department (5) are located screw hole two (8) evenly is provided with three spacing hole (7), and the inboard of installation department (5) is provided with holds sword groove (9), the outside that the lower surface of blade (2) is located screw hole one (10) evenly is provided with stopper (13).
5. The indexable circular-arc thread milling cutter for the aero-engine according to claim 4, wherein: be provided with spout (14) on one side lateral wall of spacing hole (7), the inside sliding connection of spout (14) has slider (15), one side rigid coupling of slider (15) have with spacing hole (7) sliding connection's movable block (16), and be connected with compression spring (17) between the downside of movable block (16) and spacing hole (7).
6. The indexable circular-arc thread milling cutter for the aero-engine-based according to claim 1, wherein: the outer side of the blade (2) is uniformly provided with three cutting edges (11), and the surface of each cutting edge (11) is provided with a hard coating (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111654786.5A CN114226822A (en) | 2021-12-31 | 2021-12-31 | Indexable circular arc thread milling cutter based on aero-engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111654786.5A CN114226822A (en) | 2021-12-31 | 2021-12-31 | Indexable circular arc thread milling cutter based on aero-engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114226822A true CN114226822A (en) | 2022-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111654786.5A Pending CN114226822A (en) | 2021-12-31 | 2021-12-31 | Indexable circular arc thread milling cutter based on aero-engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114226822A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205200649U (en) * | 2015-12-14 | 2016-05-04 | 宁波卡斯尔机械制造有限公司 | Milling cutter coils and has milling machine of milling cutter dish |
| CN206356629U (en) * | 2017-01-05 | 2017-07-28 | 东莞市泰又拓五金切削工具有限公司 | A kind of arc cutter for being easily installed fixed and more allowing blade replacement |
| CN108723521A (en) * | 2017-04-14 | 2018-11-02 | 成都道勤数控刀具有限公司 | A kind of thread milling cutter |
| CN110548914A (en) * | 2019-08-15 | 2019-12-10 | 上海中船三井造船柴油机有限公司 | Thread milling cutter and method for machining intermittent threaded holes of diesel engine frame |
| CN213318155U (en) * | 2020-07-28 | 2021-06-01 | 常州昂迈工具有限公司 | A whirlwind milling cutter dish for external screw thread processing |
-
2021
- 2021-12-31 CN CN202111654786.5A patent/CN114226822A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205200649U (en) * | 2015-12-14 | 2016-05-04 | 宁波卡斯尔机械制造有限公司 | Milling cutter coils and has milling machine of milling cutter dish |
| CN206356629U (en) * | 2017-01-05 | 2017-07-28 | 东莞市泰又拓五金切削工具有限公司 | A kind of arc cutter for being easily installed fixed and more allowing blade replacement |
| CN108723521A (en) * | 2017-04-14 | 2018-11-02 | 成都道勤数控刀具有限公司 | A kind of thread milling cutter |
| CN110548914A (en) * | 2019-08-15 | 2019-12-10 | 上海中船三井造船柴油机有限公司 | Thread milling cutter and method for machining intermittent threaded holes of diesel engine frame |
| CN213318155U (en) * | 2020-07-28 | 2021-06-01 | 常州昂迈工具有限公司 | A whirlwind milling cutter dish for external screw thread processing |
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Application publication date: 20220325 |
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| RJ01 | Rejection of invention patent application after publication |