CN102922023B - Indexable face milling cutter and edge bearing thereof - Google Patents
Indexable face milling cutter and edge bearing thereof Download PDFInfo
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- CN102922023B CN102922023B CN201210452615.9A CN201210452615A CN102922023B CN 102922023 B CN102922023 B CN 102922023B CN 201210452615 A CN201210452615 A CN 201210452615A CN 102922023 B CN102922023 B CN 102922023B
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- edge bearing
- blade
- briquetting
- groove
- cutter hub
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Abstract
The invention discloses a kind of indexable face milling cutter and edge bearing thereof, edge bearing is provided with edge bearing screw hole; Be provided with step groove; Described step groove comprises connected blade bottom surface contact surface, blade axial locating surface and blade radial location face, the breach that formation three is unlimited on edge bearing.The present invention devises unique edge bearing, blade does not directly contact with cutter hub, significantly enhance the rigidity of cutter hub, decrease cutter hub wearing and tearing, improve cutting-tool's used life on the whole, make the location of blade not need to contact cutter hub simultaneously, repetitive positioning accuracy is higher, and cutting-tool's used life improves more than 50% than the face milling cutters of other form, and processing work precision improves a more than precision grade, more allowing blade replacement is also convenient simultaneously, and processing cost also significantly reduces.
Description
Technical field
The present invention relates to a kind of metal-cutting machine tool, particularly a kind of indexable face milling cutter and edge bearing thereof.
Background technology
At present, the structure of conventional face milling cutters is with a voussoir and a dowel screw, edge bearing is fitted on cutter hub, with another voussoir and another dowel screw, blade is clamped on edge bearing again, the each cutter tooth of this structure needs with two dowel screws, two voussoirs and edge bearing that totally 5 parts could fastening blades, and number of parts is many, cutter hub Heavy Weight, feed consumption, work consuming, consuming time, the complexity of processing, material cost bigger than normal, and positioning precision is very poor.Chinese patent ZL200920039546.2 disclosed a kind of " indexable face milling cutter ", its back side due to the edge bearing laying blade has the transverse plane of the semi-cylindrical boss of inclination, the transverse plane of the semi-cylindrical pit of the inclination be provided with the mounting groove datum level of blade installation slot matches, blade is arranged on cutter hub obtains the axial location that reliable, thus can save material, relatively possess certain positioning precision.But for heavy cutting, in process, the damage of blade greatly destroys the cutter spacing groove on cutter hub, cutter hub is damaged also very serious, even thoroughly scrap, thus make the cost of charp tool high.The indexable face milling cutter of this structure, because blade directly contacts with cutter hub, also can cause cutter hub overheated and wearing and tearing, affect the whole service life of cutter; Secondly because blade needs to have certain precision on the cutter spacing groove of cutter hub, if therefore need to exchange another cutting angle or the more allowing blade replacement of blade, then want operative employee to carry out complicated correction and need adjustment working time of growing very much, not only consuming time but also require great effort.
Summary of the invention
The object of the invention is the technical problem solving the existence of existing cutter, a kind of indexable face milling cutter and edge bearing thereof of technological innovation are provided, it is higher that it has blade positioning precision, it is convenient to change, fabulous protective effect is had to the damage and wear of cutter hub, the scope of application is wider than existing cutter, processing work cutter used expense is also lower, both can be used for common boring, milling machine thick, essence effectively milling, also can be used for numerical control boring, the high-precision milling of milling machine and machining center high-speed and high-efficiency, weight is lighter and handier, steadily, rigidity is stronger, install more convenient, the advantage that outward appearance is more exquisite, it is accurate that quality reaches international ohm American Standard, even can match in excellence or beauty with the American-European similar cutter in the world.
The technical scheme realizing first object of the present invention is a kind of edge bearing of indexable face milling cutter, and described edge bearing is provided with edge bearing screw hole; Be provided with the step groove placing blade; Described step groove comprises connected blade bottom surface contact surface, blade axial locating surface and blade radial location face, the breach that formation three is unlimited on edge bearing.
Described edge bearing adopts the powder metallurgy material comprising following proportioning: steel: 93 ~ 96%; Copper: 1.3 ~ 1.65%; Molybdenum 0.3 ~ 0.5%; Nickel 1.6 ~ 1.93%; Titanium 0.4 ~ 0.7%.
Described edge bearing also comprises groove; Described groove is arranged on blade bottom surface contact surface, blade axial locating surface and blade radial location face, reduces blade and edge bearing contact surface, and footpath, axial location precision are more precisely, stable, firmly, blade also cannot be shifted.
Second object of the present invention solves prior art Problems existing, there is provided a kind of blade positioning precision higher, exchange more convenient, the blade cut sword of blade and correct and adjustment without the need to operative employee, to cutter hub completely without damaging, without wearing and tearing, improve the indexable face milling cutter of cutter life on the whole.
The technical scheme realizing second object of the present invention is a kind of indexable face milling cutter, comprises cutter hub, blade, edge bearing, briquetting and hold-down screw; Described edge bearing is provided with edge bearing screw hole; Described briquetting is provided with briquetting screw hole; Described hold-down screw comprises edge bearing hold-down screw and briquetting hold-down screw; On described cutter hub, cutting edge inclination direction is evenly distributed with edge bearing mounting groove and briquetting mounting groove vertically; Described edge bearing and briquetting are separately positioned in edge bearing mounting groove and briquetting mounting groove, and respectively by edge bearing hold-down screw and briquetting hold-down screw and cutter hub fastening; Described edge bearing is provided with step groove; Described step groove comprises connected blade bottom surface contact surface, blade axial locating surface and blade radial location face, the breach that formation three is unlimited on edge bearing; The compression contacts side surfaces of described blade and briquetting.
The blade bottom surface contact surface of described edge bearing is arranged on the edge bearing side relative with the compression side of briquetting; It is equidirectional that described blade radial location face is arranged on that edge bearing contacts with the bottom land of the edge bearing mounting groove of cutter hub, to blade radial location; Described blade axial locating surface is arranged on the equidirectional of the groove end in contact of the edge bearing mounting groove of edge bearing and cutter hub, to blade shaft to location; Described blade is arranged in the space that formed by the compression side of the step groove of edge bearing and briquetting.
Described edge bearing adopts the powder metallurgy material comprising following proportioning: steel: 93 ~ 96%; Copper: 1.3 ~ 1.65%; Molybdenum 0.3 ~ 0.5%; Nickel 1.6 ~ 1.93%; Titanium 0.4 ~ 0.7%.
Described edge bearing also comprises groove; Described groove is arranged on blade bottom surface contact surface, blade axial locating surface and blade radial location face.
The compression side of described briquetting is inclined-plane, and the angle compressing side and bottom surface is greater than 90 degree.
The compression side of described briquetting arranges boss, by boss and blade contact, makes briquetting clamping blade more firm, stable.
The bottom land of described edge bearing mounting groove is provided with edge bearing installing hole; The bottom land of described briquetting mounting groove is provided with briquetting installing hole.
Have employed technique scheme, the present invention has following beneficial effect: (1) the present invention devises unique edge bearing, edge bearing is provided with the step groove placing blade, the radial and axial location of blade carrys out intact realization by edge bearing completely on cutter hub, thus blade is not directly contacted with cutter hub, the rigidity enhancing cutter hub also greatly protects the intact effect of cutter hub, the wearing and tearing of cutter hub are less, make blade not need to contact cutter hub with the location of cutter hub simultaneously, repetitive positioning accuracy is higher, the whole service life of cutter improves more than 50% than the face milling cutters of other form, processing work precision improves a more than precision grade, more allowing blade replacement is also convenient simultaneously, processing cost significantly reduces, the technical optimization to existing cutter and breakthrough.
(2) edge bearing of the present invention adopts special powder metallurgy material, the edge bearing made has high density, high rigidity, good toughness, noise is little, resistance to wear, shock proof characteristic, thus improve the durability of edge bearing, stability and the reliability adding man-hour, the edge bearing made than ordinary steel improves more than 2 times service life, the raw material simultaneously adopted comes to the greatest extent the powder of iron waste material refining, do without the need to using intact steel, energy-conserving and environment-protective, resource regeneration, ultimate cost is lower than the edge bearing made of steel, and can greatly improve with steel edge bearing contrast properties, more effectively can play optimum position to blade, improve the intact effect supported, and protection cutter hub that can be fabulous.
(3) edge bearing design science of the present invention is reasonable, can play support, accurately location and the protection in 3 faces, can reduce again the size of edge bearing simultaneously, thus save cutter material cost blade.
(4) face of edge bearing of the present invention and blade contact is also provided with groove, adopt and replace contact that is large-area and blade by several small size, ensureing on the basis to the support of blade, reducing blade to the heat transfer of edge bearing, the effect improving edge bearing durability by reducing to reach with the contact surface of blade, extending the service life of edge bearing.
(5) contact surface of briquetting of the present invention and blade arranges boss, make to greatly reduce with the contact surface of blade, obtain reduction briquetting cost, increase briquetting is to the pressuring action of blade and reduce blade to the heat transfer of briquetting and wearing and tearing, extends the service life of briquetting.
(6) the present invention has novel structure, and exquisite appearance has good quality, and precision is high, processing work Functionality, quality and appealing design, uses, safeguards the advantages such as simple, applied widely, can use on high speed, high-precision machining center, also at low speed, the machine tool that large surplus is cut can use; Both can be used for roughing, also can be used for fine finishining.
Accompanying drawing explanation
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is structural representation of the present invention.
Fig. 2 is the schematic diagram of another angle of the present invention.
Fig. 3 is the structural representation of cutter hub of the present invention.
Fig. 4 is the structural representation of edge bearing of the present invention.
Fig. 5 is the structural representation of briquetting of the present invention.
Fig. 6 is the schematic diagram that blade of the present invention, edge bearing and briquetting coordinate.
Label in accompanying drawing is:
Cutter hub 1, edge bearing mounting groove 1-1, edge bearing installing hole 1-1-1, briquetting mounting groove 1-2, briquetting installing hole 1-2-1, blade 2, edge bearing 3, edge bearing screw hole 3-1, step groove 3-2, blade bottom surface contact surface 3-2-1, blade radial location face 3-2-2, blade axial locating surface 3-2-3, groove 3-3, briquetting 4, briquetting screw hole 4-1, compresses side 4-2, boss 4-2-1, hold-down screw 5, edge bearing hold-down screw 5-1, briquetting hold-down screw 5-2.
Detailed description of the invention
See Fig. 1 to Fig. 6, the indexable face milling cutter of the present embodiment, comprise cutter hub 1, blade 2, edge bearing 3, briquetting 4 and hold-down screw 5.
Hold-down screw 5 comprises edge bearing hold-down screw 5-1 and briquetting hold-down screw 5-2.
See Fig. 3, on cutter hub 1, cutting edge inclination direction is evenly distributed with 9 groups of edge bearing mounting groove 1-1 and briquetting mounting groove 1-2 vertically.Often organize edge bearing mounting groove 1-1 and briquetting mounting groove 1-2 to be interconnected.The bottom land of edge bearing mounting groove 1-1 is provided with edge bearing installing hole 1-1-1.The bottom land of briquetting mounting groove 1-2 is provided with briquetting installing hole 1-2-1.
Blade 2, for being provided with the blade of 4 cutting edges, is provided with an aperture for antidetonation in the middle of it.
Edge bearing 3 is arranged in edge bearing mounting groove 1-1, it is arranged edge bearing screw hole 3-1, and edge bearing 3 is fixed in the edge bearing installing hole 1-1-1 of cutter hub 1 through edge bearing screw hole 3-1 by edge bearing hold-down screw 5-1.See Fig. 4, edge bearing 3 is provided with the step groove 3-2 placing blade, step groove 3-2 is made up of the blade bottom surface contact surface 3-2-1, the blade radial location face 3-2-2 that are connected and blade axial locating surface 3-2-3, the breach that formation three is unlimited on edge bearing 3.Blade bottom surface contact surface 3-2-1 is arranged on edge bearing 3 side relative with the compression side 4-1 of briquetting 4.Blade radial location face 3-2-2 is arranged on the homonymy that edge bearing 3 contacts with the bottom land of the edge bearing mounting groove 1-1 of cutter hub 1, forms the base of blade 2, ensure that the radial location to blade 2.Blade axial locating surface 3-2-3 is arranged on the equidirectional of the groove end in contact of the edge bearing mounting groove 1-1 of edge bearing 3 and cutter hub 1, and blade axial locating surface 3-2-3 ensure that the axial location to blade 2.Blade 2 is arranged in the space that formed by the compression side 4-2 of the step groove 3-2 of edge bearing 3 and briquetting 4, and three faces of blade 2, namely bottom surface contacts with the step groove 3-2 of edge bearing 3 with two sides.Arbitrary or any two or three contact surfaces in blade bottom surface contact surface 3-2-1, blade radial location face 3-2-2, these three contact surfaces of blade axial locating surface 3-2-3 are provided with groove 3-3.Edge bearing 3 adopts the powder metallurgy material comprising following proportioning: steel: 93 ~ 96%; Copper: 1.3 ~ 1.65%; Molybdenum 0.3 ~ 0.5%; Nickel 1.6 ~ 1.93%; Titanium 0.4 ~ 0.7%.
See Fig. 5, briquetting 4 is arranged in briquetting mounting groove 1-2, and briquetting 4 is provided with briquetting screw hole 4-1, and briquetting 4 is fixed in the briquetting installing hole 1-2-1 of cutter hub 1 through briquetting screw hole 4-1 by briquetting hold-down screw 5-2.The compression side 4-2 of briquetting 4 arranges boss 4-2-1, is contacted by boss 4-2-1 with blade 2, the compression side 4-2 of briquetting 4 is inclined-plane simultaneously, is greater than 90 degree with the angle of bottom surface.
During assembling, first fix edge bearing 3, then put blade 2, then by fastening to briquetting 4 and cutter hub 1, due to briquetting 4 and blade 2 close contact, blade 2 can tightly be clamped fixing by the tapering that the inclined-plane of the compression side 4-2 of briquetting 4 is formed simultaneously, thus completes assembling.Because blade 2 and the radial and axial positioning precision of cutter hub 1 only need ensure the blade footpath of edge bearing 3, the precision of axial location groove 3-2, therefore blade 2 installation and locate and just obtain great simplification.At the cutting edge of more allowing blade replacement 2 or more when allowing blade replacement 2, without the need to carrying out loaded down with trivial details blade 2 and the location of cutter hub 1, can work efficiency be improved, guarantee the uniformity of machining accuracy.And, avoid the wearing and tearing of blade 2 pairs of cutter hubs 1, only need to change the edge bearing 3 be worn be worth far below cutter hub 1 in time, while the stability of edge bearing 3 of powder metallurgy material and wearability greatly improve, further increase the precision of cutting-tool's used life and processing.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an edge bearing for indexable face milling cutter, described edge bearing (3) is provided with edge bearing screw hole (3-1); It is characterized in that: be provided with the step groove (3-2) placing blade; Described step groove (3-2) comprises connected blade bottom surface contact surface (3-2-1), blade radial location face (3-2-2) and blade axial locating surface (3-2-3), at the breach that the upper formation three of edge bearing (3) is unlimited; Described edge bearing (3) adopts the powder metallurgy material comprising following proportioning: steel: 93 ~ 96%; Copper: 1.3 ~ 1.65%; Molybdenum 0.3 ~ 0.5%; Nickel 1.6 ~ 1.93%; Titanium 0.4 ~ 0.7%.
2. the edge bearing of indexable face milling cutter according to claim 1, is characterized in that: described edge bearing (3) also comprises groove (3-3); Described groove (3-3) is arranged on blade bottom surface contact surface (3-2-1), blade radial location face (3-2-2) and blade axial locating surface (3-2-3).
3. an indexable face milling cutter, comprises cutter hub (1), blade (2), edge bearing (3), briquetting (4) and hold-down screw (5); Described edge bearing (3) is provided with edge bearing screw hole (3-1); Described briquetting (4) is provided with briquetting screw hole (4-1); Described hold-down screw (5) comprises edge bearing hold-down screw (5-1) and briquetting hold-down screw (5-2); It is characterized in that: on described cutter hub (1), cutting edge inclination direction is evenly distributed with edge bearing mounting groove (1-1) and briquetting mounting groove (1-2) vertically; Described edge bearing (3) and briquetting (4) are separately positioned in edge bearing mounting groove (1-1) and briquetting mounting groove (1-2), and fastening respectively by edge bearing hold-down screw (5-1) and briquetting hold-down screw (5-2) and cutter hub (1); Described edge bearing (3) is provided with the step groove (3-2) placing blade; Described step groove (3-2) comprises connected blade bottom surface contact surface (3-2-1), blade radial location face (3-2-2) and blade axial locating surface (3-2-3), at the breach that the upper formation three of edge bearing (3) is unlimited; Described blade (2) contacts with the compression side (4-2) of briquetting (4); Described edge bearing (3) adopts the powder metallurgy material comprising following proportioning: steel: 93 ~ 96%; Copper: 1.3 ~ 1.65%; Molybdenum 0.3 ~ 0.5%; Nickel 1.6 ~ 1.93%; Titanium 0.4 ~ 0.7%.
4. indexable face milling cutter according to claim 3, is characterized in that: blade bottom surface contact surface (3-2-1) of described edge bearing (3) is arranged on edge bearing (3) side relative with the compression side (4-2) of briquetting (4); Described blade radial location face (3-2-2) is arranged on the homonymy that edge bearing (3) contacts with the bottom land of the edge bearing mounting groove (1-1) of cutter hub (1), to blade (2) radial location; Described blade axial locating surface (3-2-3) is arranged on the equidirectional of the groove end in contact of the edge bearing mounting groove (1-1) of edge bearing (3) and cutter hub (1), to blade (2) axial location; Described blade (2) is arranged in the space that formed by the compression side (4-2) of the step groove of edge bearing (3) (3-2) and briquetting (4).
5. indexable face milling cutter according to claim 4, is characterized in that: described edge bearing (3) also comprises groove (3-3); Described groove (3-3) is arranged on blade bottom surface contact surface (3-2-1), blade radial location face (3-2-2) and blade axial locating surface (3-2-3).
6. indexable face milling cutter according to claim 5, is characterized in that: the compression side (4-2) of described briquetting (4) is inclined-plane, compresses side (4-2) and is greater than 90 degree with the angle of bottom surface.
7. indexable face milling cutter according to claim 6, it is characterized in that: the compression side (4-2) of described briquetting (4) arranges boss (4-2-1), is contacted with blade (2) by boss (4-2-1).
8. indexable face milling cutter according to claim 7, is characterized in that: the bottom land of described edge bearing mounting groove (1-1) is provided with edge bearing installing hole (1-1-1); The bottom land of described briquetting mounting groove (1-2) is provided with briquetting installing hole (1-2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452615.9A CN102922023B (en) | 2012-11-12 | 2012-11-12 | Indexable face milling cutter and edge bearing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452615.9A CN102922023B (en) | 2012-11-12 | 2012-11-12 | Indexable face milling cutter and edge bearing thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102922023A CN102922023A (en) | 2013-02-13 |
| CN102922023B true CN102922023B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210452615.9A Expired - Fee Related CN102922023B (en) | 2012-11-12 | 2012-11-12 | Indexable face milling cutter and edge bearing thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231126B (en) * | 2013-04-19 | 2015-07-15 | 湖南中大创远数控装备有限公司 | Machining cutter |
| CN105171085A (en) * | 2015-10-29 | 2015-12-23 | 江苏中晟钻石工具有限公司 | Novel efficient disc milling cutter |
| CN114083002B (en) * | 2021-11-22 | 2023-01-31 | 齐鲁工业大学 | Machine presss from both sides transposition cutter with weak rigidity shim |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5240356A (en) * | 1991-03-28 | 1993-08-31 | Mitsubishi Materials Corporation | Nitrided cutter machining |
| JP2002178212A (en) * | 2000-12-12 | 2002-06-25 | Sumitomo Electric Ind Ltd | Rotary cutting tool |
| JP2008142870A (en) * | 2006-12-13 | 2008-06-26 | Tungaloy Corp | Cutting tool |
| CN101657285A (en) * | 2007-03-30 | 2010-02-24 | 京瓷株式会社 | Sheet member, rotary tool using the sheet member, and cutting method using the rotary tool |
| CN202877609U (en) * | 2012-11-12 | 2013-04-17 | 常州瑞诺切数控刀具有限公司 | Indexable face milling cutter and cutter pad of indexable face milling cutter |
-
2012
- 2012-11-12 CN CN201210452615.9A patent/CN102922023B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5240356A (en) * | 1991-03-28 | 1993-08-31 | Mitsubishi Materials Corporation | Nitrided cutter machining |
| JP2002178212A (en) * | 2000-12-12 | 2002-06-25 | Sumitomo Electric Ind Ltd | Rotary cutting tool |
| JP2008142870A (en) * | 2006-12-13 | 2008-06-26 | Tungaloy Corp | Cutting tool |
| CN101657285A (en) * | 2007-03-30 | 2010-02-24 | 京瓷株式会社 | Sheet member, rotary tool using the sheet member, and cutting method using the rotary tool |
| CN202877609U (en) * | 2012-11-12 | 2013-04-17 | 常州瑞诺切数控刀具有限公司 | Indexable face milling cutter and cutter pad of indexable face milling cutter |
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| CN102922023A (en) | 2013-02-13 |
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