CN205147427U - Compound milling cutter - Google Patents
Compound milling cutter Download PDFInfo
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- CN205147427U CN205147427U CN201520993215.8U CN201520993215U CN205147427U CN 205147427 U CN205147427 U CN 205147427U CN 201520993215 U CN201520993215 U CN 201520993215U CN 205147427 U CN205147427 U CN 205147427U
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Abstract
The utility model relates to a compound milling cutter. It includes cutter body and handle of a knife, and the interval is equipped with a plurality of chip pocket on the periphery of cutter body, is equipped with a plurality of blade groove in every chip pocket, and every blade inslot has set firmly a blade, and a plurality of blade that sets up in every chip pocket be multiple material, and the blade of setting is arranged the samely in every chip pocket. The utility model has the advantages of reasonable design, convenient to use, it is compound to integrative with the blade of multiple material, make its blade that can splice and correspond according to the difference of the different partial materials of combined material to simultaneous processing is carried out to combined material's different materials to the realization, has greatly improved production efficiency, has avoided changing different cutters according to different materials among the prior art simultaneously and has misfitted with the geometric tolerances, dimensional tolerance and the linking that cause man -hour, has guaranteed the stability of combined material processing quality.
Description
Technical field
The utility model relates to a kind of composite milling cutter.
Background technology
In order to meet the requirement of development of machinery industry to mechanical processing difficulty and precision, the process tool of the different stations such as the boring in processing, fraising, reaming and bore hole is combined into one by existing many designs, and this dedicated tool is called compound tool.Composite cutter prodigiosin completes the different process combining of multiple operation in time processing process, avoids and often changes cutter, reduce processing cost, improve working (machining) efficiency.Compound tool also avoid the problem that twice processing causes tolerance and linking to misfit in addition.But existing compound tool is just for the workpiece that material is single, the workpiece cast for different materials or inlay can't meet processing needs completely, the particularly field of compound material of present development, such as carbon fibre reinforced plastic is multiple material and the metal lamination (as aluminium alloy and titanium alloy etc.) of main body.Because the mechanical performance of material is completely different, cutter must tackle diverse operating mode, far different materials processing performance, only be difficult to process with the cutter of independent a kind of material simultaneously, therefore, be necessary to make improvements, make it the requirement that both can meet planform, to splice different blade in conjunction with the difference of different piece material again, improve the shaping characteristic of cutter high efficiency, high accuracy, high reliability in machining.
Utility model content
The utility model provides a kind of composite milling cutter, its reasonable in design, easy to use, the blade of various material is compound to one, can to splice corresponding blade according to the difference of composite different piece material, thus realize processing the unlike material of composite simultaneously, greatly improve production efficiency, avoid the form and position tolerance caused when changing different tool sharpening according to different materials in prior art simultaneously, dimensional tolerance and linking are misfitted, ensure that the stability of composite processing quality, solve problems of the prior art.
The utility model for solving the problems of the technologies described above adopted technical scheme is: it comprises cutter hub and handle of a knife, the periphery of cutter hub is interval with several chip pockets, several insert grooves are provided with in each chip pocket, a blade is installed with in each insert groove, several blades arranged in each chip pocket are various material, and the blade arranged in each chip pocket arrangement is identical.
Blade in each chip pocket has axial positive rake angle.
Described axial positive rake angle is 0 ~ 10 °.
Described axial positive rake angle is 5 °.
In each chip pocket, several insert grooves become stepped.
Radial angle in each chip pocket between adjacent two blades is 15 °.
Described chip pocket is helicla flute.
Described blade comprises carbide chip, dimond synneusis blade and polycrystalline cubic boron nitride blade.
The quantity of each chip pocket inner blade groove and blade is three, and three blades are respectively carbide chip, dimond synneusis blade and polycrystalline cubic boron nitride blade, and three blades are connected with an insert groove respectively.
The utility model adopts such scheme, has the following advantages:
1, the blade of various material is compound to one by the utility model, can to splice corresponding blade according to the difference of composite different piece material, thus realize processing the unlike material of composite simultaneously, greatly improve production efficiency, avoid the form and position tolerance, dimensional tolerance and the linking that cause when changing different tool sharpening according to different materials in prior art simultaneously and misfit problem, ensure that the stability of composite processing quality.According to the length of the structure determination blade of institute's processing work; According to the material of institute's processing work composite, select be applicable to processing this material blade, as carbide chip, dimond synneusis blade and polycrystalline cubic boron nitride blade.
2, the blade in each chip pocket has axial positive rake angle.This structural design is conducive to reducing cutting force, makes the cutting edge of blade cut gradually or cut out workpiece, and working angles is steady, and is conducive to the discharge of chip.According to performance and the consideration of machining accuracy, working (machining) efficiency and the combined factors such as cutter material and cutter life of machined material, determine the size of axial positive rake angle.Such as, during polycrystalline cubic boron nitride blade processing casting pig, the axial positive rake angle of polycrystalline cubic boron nitride blade is 0 ~ 5 °; During dimond synneusis blade processing aluminium alloy, the axial positive rake angle of dimond synneusis blade is 10 °; During carbide chip processing cast iron, the axial positive rake angle of carbide chip is 0 °.
3, in each chip pocket, several insert grooves become stepped.This structural design is conducive to several blades in each chip pocket are evenly arranged, and makes it in working angles, add cutting gradually, thus makes working angles relatively more steady, avoids causing vibration.Radial angle one in each chip pocket between adjacent two blades will be determined according to knife number, guarantees its arrangement evenly, offsets the radial cutting force suffered by cutter hub in process, avoids the vibration of cutter hub; Two rigidity that will ensure cutter hub entirety.Such as, when the quantity of each chip pocket inner blade groove and blade is three, when the radial angle in each chip pocket between adjacent two blades is 15 °, its best results.
4, chip pocket is helicla flute.This structure can make working angles more steady, avoids causing vibrations, is conducive to chip removal.Helicla flute comprises right hand helix groove and left-turn spiral groove, concrete which kind of helicla flute of employing, mainly according to its hand of spiral and the cutting direction adding man-hour, adjusts the discharge direction of chip and determines.
5, blade comprises carbide chip, dimond synneusis blade and polycrystalline cubic boron nitride blade.The insert groove of each chip pocket is selected to install the unlike material adjustment order of which kind of blade according to institute's machining composite material.Polycrystalline cubic boron nitride blade is mainly used to process ferrous material.Dimond synneusis blade is mainly used to processing nonferrous materials and nonmetallic materials, and as high in aluminum alloy materials peel adhesion, require that blade cutting edge is sharp, upper knife face coefficient of friction is little, selects polycrystalline diamond blade when therefore processing this part.The scope that carbide chip can be processed is relatively wider, as ferrous material, nonferrous materials and nonmetallic materials, but generally can only be used for carrying out roughing.Cast iron materials adds man-hour, generally adopts carbide chip.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left TV structure schematic diagram of Fig. 1.
In figure, 1, cutter hub, 2, handle of a knife, 3, helicla flute, 4, insert groove, 5, blade.
Detailed description of the invention
For clearly demonstrating the technical characterstic of this programme, below by detailed description of the invention, and in conjunction with its accompanying drawing, the utility model is elaborated.
As shown in Fig. 1 ~ Fig. 2, the utility model comprises cutter hub 1 and handle of a knife 2, the periphery of cutter hub 1 is interval with three chip pockets, be provided with three in each chip pocket and become stair-stepping insert groove 4, a blade 5 is installed with in each insert groove 4, three blades 5 arranged in each chip pocket are various material, and the blade 5 arranged in each chip pocket is arranged identical.Three blades 5 are respectively carbide chip, dimond synneusis blade and polycrystalline cubic boron nitride blade.Each chip pocket inner blade 5 has axial positive rake angle, and axial positive rake angle is 5 °.Radial angle in each chip pocket between adjacent two blades 5 is 15 °.Chip pocket is helicla flute 3.
The blade of various material is compound to one by the utility model, can to splice corresponding blade according to the difference of composite different piece material, thus realize processing the unlike material of composite simultaneously, greatly improve production efficiency, avoid the problem that the form and position tolerance, dimensional tolerance and the linking that cause when changing different tool sharpening according to different materials in prior art are misfitted simultaneously, ensure that the stability of composite processing quality.According to the length of the structure determination blade of institute's processing work; According to the material of institute's processing work composite, select be applicable to processing this material blade, as carbide chip, dimond synneusis blade and polycrystalline cubic boron nitride blade.
Blade in each chip pocket has the axial positive rake angle of 5 °.This structural design is conducive to reducing cutting force, makes the cutting edge of blade 5 cut gradually or cut out workpiece, and working angles is steady, and is conducive to the discharge of chip.
In each chip pocket, three insert grooves 4 one-tenth are stepped, and the radial angle in each chip pocket between adjacent two blades 5 is 15 °.This structural design is conducive to several blades 5 in each chip pocket are evenly arranged, and makes it in working angles, add cutting gradually, thus makes working angles relatively more steady, avoids causing vibration.
Chip pocket is helicla flute 3.This structure can make working angles more steady, avoids causing vibrations, is conducive to chip removal.Helicla flute 3 comprises right hand helix groove and left-turn spiral groove, concrete employing which kind of helicla flute 3, mainly according to its hand of spiral and the cutting direction adding man-hour, adjusts the discharge direction of chip and determines.
Blade 5 comprises carbide chip, dimond synneusis blade and polycrystalline cubic boron nitride blade.The insert groove 4 of each chip pocket is selected to install the unlike material adjustment order of which kind of blade 5 according to institute's machining composite material.Polycrystalline cubic boron nitride blade is mainly used to process ferrous material.Dimond synneusis blade is mainly used to processing nonferrous materials and nonmetallic materials, and as high in aluminum alloy materials peel adhesion, require that blade cutting edge is sharp, upper knife face coefficient of friction is little, selects polycrystalline diamond blade when therefore processing this part.The scope that carbide chip can be processed is relatively wider, as ferrous material, nonferrous materials and nonmetallic materials, but generally can only be used for carrying out roughing.Cast iron materials adds man-hour, generally adopts carbide chip.
Above-mentioned detailed description of the invention can not as the restriction to the utility model protection domain, and for those skilled in the art, any alternate modification make the utility model embodiment or conversion all drop in protection domain of the present utility model.
The utility model does not describe part in detail, is the known technology of those skilled in the art of the present technique.
Claims (9)
1. a composite milling cutter, comprise cutter hub and handle of a knife, it is characterized in that: on the periphery of cutter hub, be interval with several chip pockets, several insert grooves are provided with in each chip pocket, a blade is installed with in each insert groove, several blades arranged in each chip pocket are various material, and the blade arranged in each chip pocket arrangement is identical.
2. a kind of composite milling cutter according to claim 1, is characterized in that: the blade in each chip pocket has axial positive rake angle.
3. a kind of composite milling cutter according to claim 2, is characterized in that: described axial positive rake angle is 0 ~ 10 °.
4. a kind of composite milling cutter according to claim 3, is characterized in that: described axial positive rake angle is 5 °.
5. a kind of composite milling cutter according to claim 1, is characterized in that: in each chip pocket, several insert grooves become stepped.
6. a kind of composite milling cutter according to claim 5, is characterized in that: the radial angle in each chip pocket between adjacent two blades is 15 °.
7. a kind of composite milling cutter according to claim 1, is characterized in that: described chip pocket is helicla flute.
8. a kind of composite milling cutter according to claim 1, is characterized in that: described blade comprises carbide chip, dimond synneusis blade and polycrystalline cubic boron nitride blade.
9. a kind of composite milling cutter according to claim arbitrary in claim 1 to 8, it is characterized in that: the quantity of each chip pocket inner blade groove and blade is three, three blades are respectively carbide chip, dimond synneusis blade and polycrystalline cubic boron nitride blade, and three blades are connected with an insert groove respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993215.8U CN205147427U (en) | 2015-12-04 | 2015-12-04 | Compound milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993215.8U CN205147427U (en) | 2015-12-04 | 2015-12-04 | Compound milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205147427U true CN205147427U (en) | 2016-04-13 |
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ID=55683166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520993215.8U Active CN205147427U (en) | 2015-12-04 | 2015-12-04 | Compound milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205147427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269057A (en) * | 2015-12-04 | 2016-01-27 | 威海威硬工具股份有限公司 | Combined milling cutter |
| CN107234285A (en) * | 2017-05-17 | 2017-10-10 | 贺州学院 | A kind of profile milling cutter and its manufacture method |
-
2015
- 2015-12-04 CN CN201520993215.8U patent/CN205147427U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269057A (en) * | 2015-12-04 | 2016-01-27 | 威海威硬工具股份有限公司 | Combined milling cutter |
| CN105269057B (en) * | 2015-12-04 | 2020-07-28 | 威海威硬工具股份有限公司 | Composite milling cutter |
| CN107234285A (en) * | 2017-05-17 | 2017-10-10 | 贺州学院 | A kind of profile milling cutter and its manufacture method |
| CN107234285B (en) * | 2017-05-17 | 2020-07-17 | 贺州学院 | Formed milling cutter and manufacturing method thereof |
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