CN208322147U - A kind of boring cutter - Google Patents
A kind of boring cutter Download PDFInfo
- Publication number
- CN208322147U CN208322147U CN201820690779.8U CN201820690779U CN208322147U CN 208322147 U CN208322147 U CN 208322147U CN 201820690779 U CN201820690779 U CN 201820690779U CN 208322147 U CN208322147 U CN 208322147U
- Authority
- CN
- China
- Prior art keywords
- blade
- cutterhead
- boring cutter
- mounting portion
- cutter hub
- 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.)
- Expired - Fee Related
Links
Landscapes
- Drilling Tools (AREA)
Abstract
This application discloses a kind of boring cutters comprising cutter hub and blade；Cutter hub includes knife bar and the cutterhead for being set to knife bar one end；The cutterhead is ring-type, at least one notch section is distributed in peripheral direction, the notch section on cutterhead extends to knife bar close to one end of cutterhead to form cutter hub indentation, and the knife bar is column；The cutter hub indentation has two sides, and side is plane, and the other side is curved surface, and the curved surface enters from cutterhead lateral incision, narrows in arbor surface, and forms plane in the bottom of the curved surface；Blade mounting portion, the blade mounting portion are set to the cutterhead part of the cutter hub indentation planar side, and the mounting plane of the blade mounting portion is lower than the planar side of the cutter hub indentation；The blade is circle, is rotatably installed on blade mounting portion；The axis direction of blade and the cutting direction of blade make the blade rotate during the cutting process at preset tilt angle, even wearing, have longer service life.
Description
Technical field
The utility model relates to technical field of mechanical processing more particularly to a kind of boring cutters.
Background technique
Boring cutter is the lathe for mainly carrying out boring to the existing pre-manufactured hole of workpiece with boring cutter.In general, being transported based on boring cutter rotation
Dynamic, the movement of boring cutter or workpiece is feed motion.It is mainly used for machining high-precision hole or the essence in multiple holes is completed in primary positioning
Processing, can additionally be engaged in the processing that other related machined surfaces are finished with hole.May be used also using different cutter and attachment
It carries out drilling, milling, the machining accuracy of cutting and surface quality and is higher than drilling machine.Boring machine is the main of large-size box part processing
Equipment.
Currently, boring cutter is generally fixedly mounted on tool apron, it be easy to cause boring cutter abrasion uneven in this way, life cycle is not
It is long.
The upper circular shear blade in market using when it is fixed by pressing plate and lock screw, each blade has abrasion to need to rotate
First pressing plate and lock screw are unscrewed and could be adjusted when blade, does so inconvenience, keeps boring cutter abrasion uneven, use is not thorough
Very big waste is caused at bottom.
Summary of the invention
The technical problem to be solved by the utility model is to, boring cutter is fixedly mounted on tool apron at present, and adjustment is inconvenient,
And keep boring cutter abrasion uneven, using being not thorough, cause very big waste.
The utility model solves its technical problem, proposes a kind of boring cutter.The boring cutter includes cutter hub and blade；
Cutter hub, the cutter hub include knife bar and the cutterhead for being set to knife bar one end；The cutterhead is ring-type, in peripheral direction
At least one notch section is distributed with, the notch section on the cutterhead extends to knife bar close to one end of cutterhead to form cutter hub notch
Portion, the knife bar are column；The cutter hub indentation have two sides, side is plane, and the other side is curved surface, the curved surface from
Cutterhead lateral incision enters, and narrows in arbor surface, and forms plane in the bottom of the curved surface；
Blade mounting portion, the blade mounting portion are set to the cutterhead part of the cutter hub indentation planar side, the knife
The mounting plane of piece mounting portion is lower than the planar side of the cutter hub indentation；
Blade, the blade are circle, are rotatably installed on blade mounting portion；The axis direction and knife of the blade
The cutting direction of piece makes the blade rotate during the cutting process at preset tilt angle.
Optionally, the boring cutter further includes tightening member, and the blade is removably mounted on by the tightening member
In the blade mounting portion.
Optionally, the blade mounting portion is provided with fixation hole, the tightening member includes fastening screw, the fastening
Screw includes stud and the nut positioned at stud one end, and the centre bore that the stud passes through blade is fixed at the fixation hole
Interior, the nut resists the blade, and the blade is fixed on blade mounting portion.
Optionally, the stud is fixed in the fixation hole by mounting ring, the mounting ring be provided with external screw thread and
Internal screw thread, the external screw thread and the fixation hole secure fit, the stud secure fit of the internal screw thread and the fastening screw,
Wherein, the internal screw thread is opposite with externally threaded hand of helix.
Optionally, the stud is fixed in the fixation hole by mounting ring, and the mounting ring is close to blade side
With a protrusion, the diameter of the protrusion is greater than the diameter of mounting ring other parts；The fixation hole be provided with it is described
The stage portion that protrusion adapts to, to resist the protrusion of mounting ring.
Optionally, the mounting ring is hexagon in the inner hole close to blade side, and internal screw thread is arranged far from the one of blade
Side.
Optionally, the knife bar is made with the cutterhead of integrated molding mode or cutterhead is detachably mounted on the knife
On bar.
Optionally, the centre bore of the blade has the smallest interior protuberance of a diameter, and the diameter of the centre bore is by described
Interior protuberance becomes larger to the two sides of centre bore, and outside diameter is greater than the maximum gauge of the nut, the interior protuberance diameter
Less than the maximum gauge of the nut, the stud of the fastening screw passes through blade center hole, and the blade is made to be stuck in blade
On mounting portion.
Optionally, the boring cutter has 3 blade mounting portions and corresponding blade.
Optionally, there is gap between the blade and the blade mounting portion, the blade is enable to rotate.
Boring cutter is rotatably installed on blade mounting portion by the utility model, and the axis direction and blade of the blade
Cutting direction at preset tilt angle, so that the blade is rotated during the cutting process, so realize blade processing
The uniform wear of process, improves the service efficiency and service life of blade, and avoids the need for the step of manually adjusting direction.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the boring cutter of one embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the cutter hub of the boring cutter of one embodiment of the utility model；
Fig. 3 is the structural schematic diagram at the cutterhead end of the boring cutter cutter hub of one embodiment of the utility model；
Fig. 4 is the structural schematic diagram of the blade installation end of the boring cutter of one embodiment of the utility model；
Fig. 5 is the structural schematic diagram of the other direction of the blade installation end of the boring cutter of one embodiment of the utility model；
In figure, 1, cutter hub；11, cutterhead；111, notch section；112, blade mounting portion；1121, mounting plane；1122, fixed
Hole；1123, stage portion；12, knife bar；13, cutter hub indentation；131, plane；132, curved surface；2, blade；21, centre bore；22, interior
Protrusion；3, fastening screw；31, stud；32, nut；4, mounting ring；41, internal screw thread；42, external screw thread；43, hexagonal hole；44,
Protrusion.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
It is also understood that specific embodiment described herein is used only for understanding the utility model, it is not used to limit
The utility model.
Referring to figs. 1 to Fig. 3, a kind of boring cutter that an embodiment of the utility model provides, the boring cutter includes: cutter hub
1 and blade 2；
Cutter hub 1, the cutter hub include knife bar 12 and the cutterhead 11 for being set to 12 one end of knife bar；The cutterhead 11 is ring-type,
At least one notch section 111 is distributed in peripheral direction, the notch section 111 on the cutterhead 11 extends to knife bar 12 close to cutterhead
To form cutter hub indentation 13, the knife bar 12 is column for 11 one end；The cutter hub indentation 13 has two sides, and side is
Plane 131, the other side are curved surface 132, and the curved surface 132 enters from cutterhead lateral incision, narrows in 12 surface of knife bar, and in the curved surface
Bottom formed plane 131.
The curved surface 132 of the cutter hub indentation 13 is cut by cutterhead, is narrowed in 12 surface of knife bar, the cutter hub indentation 13
The clast that can be used for that discharge blade 2 is guided to generate during the cutting process, so that boring cutter is unlikely to accumulate clast during the cutting process,
Influence processing.Further, it is also possible to effectively cutting fluid be guided to flow to blade 2 from knife bar 12, cutting fluid utilization rate is improved.
Blade mounting portion 112, the blade mounting portion 112 are set to the cutterhead portion of 13 planar side of cutter hub indentation
Point, the mounting plane 1121 of the blade mounting portion 112 is lower than the planar side of the cutter hub indentation 13.
Since blade mounting portion 112 is set to the cutterhead part of 13 planar side of cutter hub indentation, and cutter hub indentation
13 are arranged in the peripheral direction of cutterhead 11, boring cutter in cutting, the much knives piece of peripheral direction can be simultaneously to the same position of workpiece
The cutting set.When the damage of cutter occurs, other cutters still can be with normal process；In the periphery of cutterhead 11, multiple knives are set
Piece mounting portion 112 is conducive to the reliability and stability for increasing process.
Blade 2, the blade 2 are circle, are rotatably installed on blade mounting portion 112；The axis side of the blade
To the cutting direction with blade at preset tilt angle, the blade 2 is made to rotate during the cutting process.
Blade 2 is circle, is rotatably installed on blade mounting portion 112, the axis direction of the blade 2 and blade
Cutting direction makes the blade 2 rotate during the cutting process at preset tilt angle.Blade 2 can be made by doing so
Uniform wear improves cutting-tool's used life, does not need to manually adjust can be realized and more uniformly wear.
The tilt angle and specific direction can be set according to actual needs, and the utility model is not construed as limiting, as long as
Blade rotates in cutting process.
Optionally, there is gap between the blade 2 and the blade mounting portion 112, the blade 2 is enable to rotate.
In order to guarantee that blade 2 can rotate in cutting process, between the blade 2 and the blade mounting portion 112
It is provided with gap, the gap can be realized by carrying out certain adjustment in installation process, and other methods also can be used
It realizes.
Boring cutter is rotatably installed on blade mounting portion 112 by the utility model, and the axis direction of the blade with
The cutting direction of blade makes the blade rotate during the cutting process at preset tilt angle, and then realizes that blade exists
The uniform wear of process, improves the service efficiency and service life of blade, and avoids the need for manually adjusting the step in direction
Suddenly.
Optionally, the boring cutter further includes tightening member, and the blade 2 is removably mounted on by the tightening member
In the blade mounting portion 112.
It should be noted that the utility model does not limit the type of tightening member, the blade 2 is still after mounting can
Disassembly.The tightening member can be threaded connector, such as screw.
With further reference to Fig. 4 and Fig. 5, optionally, the blade mounting portion 112 is provided with fixation hole 1122, it is described tight
Gu element includes fastening screw 3, the fastening screw 3 includes stud 31 and the nut 32 positioned at 31 one end of stud, the stud
31 centre bores 21 for passing through blade 2 are fixed in the fixation hole 1122, and the nut 32 resists the blade 2, will
The blade 2 is fixed on blade mounting portion 112.
Blade 2 is mounted on blade mounting portion 112 using fastening screw, it can be achieved that be detachably connected, when needed may be used
Easily remove blade 2.
With further reference to Fig. 4 and Fig. 5, optionally, the stud 31 is fixed on the fixation hole 1122 by mounting ring 4
In, the mounting ring 4 is provided with external screw thread 42 and internal screw thread 41, the external screw thread 42 and 1122 secure fit of fixation hole,
31 secure fit of stud of the internal screw thread 41 and the fastening screw 3, wherein the spiral of the internal screw thread 41 and external screw thread 42
Line is contrary.
Since mounting ring has internal and external threads, external screw thread 42 can be realized to be fixedly connected with blade mounting portion 112, in
Screw thread 41 can be realized to be fixedly connected with the fastening screw 3, and then realizes and blade 2 is fixed on blade mounting portion 112.
Due to internal screw thread 41 it is opposite with the hand of helix of external screw thread 42, it can be achieved that blade 2 and blade mounting portion 112 more
Firm connection, can be locking.
Mounting ring 4 is arranged on blade mounting portion 112 can protect blade mounting portion 112, when mounting ring 4 is damaged,
It can be replaced, without scrapping entire cutter hub 1.In general, blade 2 has than the higher hardness of blade mounting portion 112
And intensity, blade mounting portion 112 are easy to happen damage under the extruding of blade 2, when any one blade mounting portion 112 damages
Bad when, causes entire cutter hub 1 to be scrapped, and mounting ring 4 can be effectively protected blade mounting portion 112, even if extrusion damage occurs,
Only mounting ring 4 can be replaced, setting mounting ring 4 can save processing cost.
With further reference to Fig. 4 and Fig. 5, optionally, the stud 31 is fixed on the fixation hole 1122 by mounting ring 4
In, the mounting ring 4 has a protrusion 44 close to 2 side of blade, the diameter of the protrusion 44 be greater than mounting ring 4 other
Partial diameter；The fixation hole 1122 is provided with the stage portion 1123 adapted to the protrusion 44, to resist mounting ring 4
Protrusion 44.
The mounting ring 4 has a protrusion 44, the protrusion 44 and blade mounting portion 112 close to 2 side of blade
On stage portion 1123 be adapted, to resist the protrusion 44 of mounting ring.In processing, boring cutter bears cutting force, due to installation
The protrusion 44 of ring 4 passes to the stage portion 1123 of mounting ring 4, carries out stress by stage portion 1123, can effectively prevent 2 edge of blade
Movement on axially bored line direction can further increase rigidity of the blade 2 in cutting, guarantee machining accuracy.
Optionally, the mounting ring 4 is hexagon in the inner hole close to 2 side of blade, and internal screw thread 41 is arranged far from blade 2
Side.
The inner hole of the mounting ring 4 is provided with hexagonal hole 43 and internal screw thread 41, and the hexagonal hole 43 is close to blade 2
Side, the hexagonal hole 43 allow stud 31 to pass through.
Hexagonal hole 43 is set in the inner hole of mounting ring 4, the length of internal screw thread 41 can be reduced.When screw thread is too long, to spiral shell
Line machining accuracy it is more demanding, and install inconvenient, pass through the inner hole in mounting ring 4 hexagonal hole 43 is set and reduce internal screw thread
41 length, is installed with facilitating, and can reduce the requirement to accuracy of screw machining.
Optionally, the knife bar 12 is made with the cutterhead 11 of integrated molding mode or cutterhead 11 is removably installed
In on the knife bar 12.
The connection type of the unlimited stationary knife bar of the utility model 12 and the cutterhead 11, can be used integrated molding mode be made or
Cutterhead 11 is detachably mounted on the knife bar 12.
Optionally, the centre bore 21 of the blade 2 has the smallest interior protuberance 22 of a diameter, the diameter of the centre bore 21
It is become larger from the interior protuberance 22 to the two sides of centre bore 21, outside diameter is greater than the maximum gauge of the nut 32, institute
The maximum gauge that 22 diameter of interior protuberance is less than the nut 32 is stated, the stud 31 of the fastening screw 3 passes through 2 centre bore of blade
21, it is stuck in the blade 2 on blade mounting portion 112.
Since the outside diameter of the centre bore 21 of blade 2 is greater than the maximum gauge of the nut 32, the fastening screw 3
Nut 32, the nut 32 can be built in completely in the blade 2, and the clast that can avoid process in this way is wrapped in fastening spiral shell
On nail 3, fastening screw 3 is made to be generated absent-mindedness by external force.
Optionally, the boring cutter has 3 blade mounting portions 112 and corresponding blade 2.
Preferably, the boring cutter is provided with 3 blade mounting portions 112 and corresponding blade 2 in 11 peripheral direction of cutterhead.
Boring cutter is rotatably installed on blade mounting portion by the utility model, and the axis direction and blade of the blade
Cutting direction at preset tilt angle, so that the blade is rotated during the cutting process, so realize blade processing
The uniform wear of process, improves the service efficiency and service life of blade, and avoids the need for the step of manually adjusting direction.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. a kind of boring cutter, which is characterized in that the boring cutter includes cutter hub and blade；
Cutter hub, the cutter hub include knife bar and the cutterhead for being set to knife bar one end；The cutterhead is ring-type, is distributed in peripheral direction
There is at least one notch section, the notch section on the cutterhead extends to knife bar close to one end of cutterhead to form cutter hub indentation,
The knife bar is column；The cutter hub indentation has two sides, and side is plane, and the other side is curved surface, and the curved surface is from knife
Disk lateral incision enters, and narrows in arbor surface, and forms plane in the bottom of the curved surface；
Blade mounting portion, the blade mounting portion are set to the cutterhead part of the cutter hub indentation planar side, the blade peace
The mounting plane in dress portion is lower than the planar side of the cutter hub indentation；
Blade, the blade are circle, are rotatably installed on blade mounting portion；The axis direction of the blade and blade
Cutting direction makes the blade rotate during the cutting process at preset tilt angle.
2. boring cutter according to claim 1, which is characterized in that the boring cutter further includes tightening member, and the blade passes through
The tightening member is removably mounted in the blade mounting portion.
3. boring cutter according to claim 2, which is characterized in that the blade mounting portion is provided with fixation hole, it is described tight
Gu element includes fastening screw, the fastening screw includes stud and the nut positioned at stud one end, and the stud passes through blade
Centre bore be fixed in the fixation hole, the nut resists the blade, by the blade be fixed on blade peace
In dress portion.
4. boring cutter according to claim 3, which is characterized in that the stud is fixed on the fixation hole by mounting ring
In, the mounting ring is provided with external screw thread and internal screw thread, the external screw thread and the fixation hole secure fit, the internal screw thread with
The stud secure fit of the fastening screw, wherein the internal screw thread is opposite with externally threaded hand of helix.
5. boring cutter according to claim 3, which is characterized in that the stud is fixed on the fixation hole by mounting ring
In, the mounting ring has a protrusion close to blade side, and the diameter of the protrusion is greater than mounting ring other parts
Diameter；The fixation hole is provided with the stage portion adapted to the protrusion, to resist the protrusion of mounting ring.
6. boring cutter according to claim 4 or 5, which is characterized in that the mounting ring is six in the inner hole close to blade side
Side shape, internal screw thread are arranged far from the side of blade.
7. boring cutter according to claim 1, which is characterized in that the knife bar and the cutterhead use integrated molding mode system
At or cutterhead be detachably mounted on the knife bar.
8. boring cutter according to claim 3, which is characterized in that the centre bore of the blade has the smallest convex of a diameter
The diameter in portion, the centre bore is become larger from the interior protuberance to the two sides of centre bore, and outside diameter is greater than the nut
Maximum gauge, the interior protuberance diameter is less than the maximum gauge of the nut, and the stud of the fastening screw passes through in blade
Heart hole is stuck in the blade on blade mounting portion.
9. boring cutter according to claim 1, which is characterized in that the boring cutter has 3 blade mounting portions and corresponding
Blade.
10. boring cutter according to claim 1, which is characterized in that between having between the blade and the blade mounting portion
Gap enables the blade to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820690779.8U CN208322147U (en) | 2018-05-09 | 2018-05-09 | A kind of boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820690779.8U CN208322147U (en) | 2018-05-09 | 2018-05-09 | A kind of boring cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208322147U true CN208322147U (en) | 2019-01-04 |
Family
ID=64777384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820690779.8U Expired - Fee Related CN208322147U (en) | 2018-05-09 | 2018-05-09 | A kind of boring cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208322147U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108393506A (en) * | 2018-05-09 | 2018-08-14 | 宁波丹德瑞精密机械科技有限公司 | A kind of boring cutter |
| CN118848078A (en) * | 2024-09-26 | 2024-10-29 | 常州市振恒电器有限公司 | A combined tool for machining motor shaft |
-
2018
- 2018-05-09 CN CN201820690779.8U patent/CN208322147U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108393506A (en) * | 2018-05-09 | 2018-08-14 | 宁波丹德瑞精密机械科技有限公司 | A kind of boring cutter |
| CN118848078A (en) * | 2024-09-26 | 2024-10-29 | 常州市振恒电器有限公司 | A combined tool for machining motor shaft |
| CN118848078B (en) * | 2024-09-26 | 2025-01-24 | 常州市振恒电器有限公司 | A combined tool for machining motor shaft |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2009100627A1 (en) | A combined type lathe tool structure | |
| CN208322147U (en) | A kind of boring cutter | |
| CN203900516U (en) | Mechanical clamping rotating graduation lathe tool | |
| CN103769663B (en) | Wide face and side cutter is cut in blisk special change of slotting | |
| CN210548356U (en) | Milling cutter disc | |
| CN207013775U (en) | A kind of milling cutter construction | |
| CN218016027U (en) | Indexable disc-shaped milling cutter for machining twisted blade rotor of Roots blower | |
| CN108393506A (en) | A kind of boring cutter | |
| CN201098752Y (en) | Small diameter end milling cutter | |
| CN209452827U (en) | Clipping type boring head | |
| CN216729753U (en) | Plane milling cutter for copper-aluminum strip | |
| CN212599203U (en) | Multistation milling cutter dish subassembly with adjustable | |
| CN216575732U (en) | Milling cutter tool | |
| CN104001948A (en) | Machine clamp free-changing tool head cutting damping buffering turning tool | |
| CN109158676B (en) | Bottom surface reverse milling cutter and use method thereof | |
| CN207941994U (en) | A kind of boring cutter | |
| CN209918970U (en) | Aerospace material milling cutter device | |
| CN222608185U (en) | Disc blade convenient to quick replacement | |
| CN215145290U (en) | Saw blade convenient to install | |
| CN217412589U (en) | Double-edge convex spiral taper milling cutter | |
| CN210587357U (en) | Non-standard alloy reverse boring edge milling cutter | |
| CN212598926U (en) | Special angle-adjustable inner hole large helix angle machining series tool | |
| CN217018656U (en) | Practice thrift gang tool of sword position | |
| CN222403628U (en) | Face milling cutter disc | |
| CN221388952U (en) | Boring cutter structure convenient for blade adjustment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20200509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |