CN204524298U - Boring surface milling gang tool - Google Patents
Boring surface milling gang tool Download PDFInfo
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- CN204524298U CN204524298U CN201520158484.2U CN201520158484U CN204524298U CN 204524298 U CN204524298 U CN 204524298U CN 201520158484 U CN201520158484 U CN 201520158484U CN 204524298 U CN204524298 U CN 204524298U
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Abstract
The utility model relates to the technical field of gang tool, disclose a kind of boring surface milling gang tool, comprise clamping handle of a knife and the cutting tool being arranged at its one end, this clamping handle of a knife one end has along stepped the first ladder position that distributes up and down of its central shaft and the second ladder position, this cutting tool comprises uniform intervals and is arranged at same multiple first cutter grains circumferentially on the first ladder position, and multiple second cutter grain on the concentric circles being arranged on the second ladder position and one the 3rd cutter grain, and multiple second cutter grain and the 3rd cutter grain respectively correspondence be positioned at concentrically ringed each circumferentially, 3rd cutter grain is along described central shaft above the second cutter grain.The utility model embodiment arranges multiple second cutter grain and a 3rd cutter grain by asymmetric on the second ladder position of clamping handle of a knife, avoid the excessive vibration caused of cutting force, extend cutter life, reduce use cost, in addition, independently process end face by the 3rd cutter grain, improve crudy, improve working (machining) efficiency.
Description
Technical field
The utility model relates to the technical field of gang tool, particularly relates to a kind of boring surface milling gang tool.
Background technology
At present, in the parts machining of automobile industry and other industry, has and much need to carry out stepped hole processing, and product material to be processed is of a great variety, its to working (machining) efficiency and required precision higher, so just higher requirement is proposed to used cutter.
Be greater than in the processing of 20mm at stepped hole diameter, a kind of mode adopts drill bit subdrilling bottom outlet, then carry out reaming processing with common hole boring cutter.But use common hole boring cutter to process, non-cutting time is long, and working (machining) efficiency is low; Another kind of mode adopts conventional combination tool sharpening, but, because this type of conventional combination Tool in Cutting power is large, particularly when large plane machining, often occur that processing vibration is large, make processing effect poor.
Utility model content
The purpose of this utility model is to provide a kind of boring surface milling gang tool, is intended to solve in prior art, and conventional combination cutter adds the problem existing man-hour and cause processing easily vibration because cutting force is large carrying out stepped hole.
The utility model provides a kind of boring surface milling gang tool, this boring surface milling gang tool comprises clamping handle of a knife, and be arranged at the cutting tool of described clamping handle of a knife one end, one end of described clamping handle of a knife has along stepped the first ladder position that distributes up and down of its central shaft and the second ladder position, described cutting tool comprises uniform intervals and is arranged at same multiple first cutter grains circumferentially on described first ladder position, and multiple second cutter grain on the concentric circles being arranged on described second ladder position and one the 3rd cutter grain, multiple described second cutter grain and described 3rd cutter grain lay respectively at described concentrically ringed each circumferentially, and described 3rd cutter grain is along described central shaft above described second cutter grain.
Further, described concentric circles is coaxial with described clamping handle of a knife.
Further, described first cutter grain is indexable to be connected on described first ladder position, and described second cutter grain and described 3rd cutter grain are indexable to be respectively connected on described second ladder position.
Preferably, described first cutter grain is connected with described first ladder position is compressed by the first screw, and described second cutter grain passes through the first screw and is connected with described second ladder position and compresses, and described 3rd cutter grain passes through the second screw and is connected with described second ladder position and compresses.
Preferably, described first cutter grain, described second cutter grain and described 3rd cutter grain are triangular form cutter grain.
Preferably, described clamping handle of a knife is alloy steel piece.
Based on technique scheme, the utility model embodiment by arranging multiple second cutter grain and a 3rd cutter grain on the second ladder position of clamping handle of a knife one end, and each the second cutter grain and the 3rd cutter grain are positioned at accordingly respectively and concentrically ringedly respectively circumferentially form asymmetric distribution, both cutting force is reduced like this, also cutting force is made to form asymmetric distribution, so, avoid cutting force excessive cause vibration and periodic vibration, effectively protect cutter, extend its service life, reduce production cost; In addition, the 3rd cutter grain is axial above each the second cutter grain, by the independent processing step hole end surface of the 3rd cutter grain, not only increase working (machining) efficiency like this, also avoid the defect of multitool grain processing end face, improve end face crudy, and then improve processing effect.
Accompanying drawing explanation
Fig. 1 is the perspective view of the boring surface milling gang tool that the utility model embodiment proposes;
Fig. 2 is the planar structure schematic diagram of the boring surface milling gang tool that the utility model embodiment proposes;
Fig. 3 be in Fig. 2 P to enlarged diagram;
Fig. 4 is the plane distribution schematic diagram of three the second cutter grains and the 3rd cutter grain in the utility model embodiment;
Fig. 5 is bite grain overlap joint schematic diagram in the utility model embodiment;
Fig. 6 is the axial difference schematic diagram of bite grain and smoothing cutter grain in the utility model embodiment;
Fig. 7 be in the utility model embodiment work piece before processing with the position view of boring surface milling gang tool;
Fig. 8 be in the utility model embodiment work piece after processing with the position view of boring surface milling gang tool.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figures 1 to 8, the utility model embodiment proposes a kind of boring surface milling gang tool, and this boring surface milling gang tool may be used for stepped hole simultaneous manufacturing.This boring surface milling gang tool comprises clamping handle of a knife 1 and cutting tool 2, and cutting tool 2 is for machining, and it is arranged on one end of clamping handle of a knife 1, the other end of clamping handle of a knife 1 and the Interference fit clamping of lathe.Particularly, one end of clamping handle of a knife 1 is provided with the first ladder position 11 and the second ladder position 12, and this first ladder position 11 and the second ladder position 12 distribute up and down along the central shaft of clamping handle of a knife 1 is stepped, and the stepped hole after this step structure and machine-shaping matches.In addition, cutting tool 2 comprises the multiple first cutter grains 21 be arranged on the first ladder position 11, herein, be preferably four the first cutter grains 21, it is circumferentially same that these four the first cutter grains 21 are positioned on the first ladder position 11, and these four the first cutter grains 21 uniform intervals mutually, here, the central shaft conllinear of the axis of this circumference and this clamping handle of a knife 1, and, cutting tool 2 also comprises and is arranged on multiple second cutter grain 22 on the second ladder position 12 and the 3rd cutter grain 23, herein, be preferably three the second cutter grain 22 (i.e. 22a, 22b, 22c) He one the 3rd cutter grain 23, these three the second cutter grains 22 lay respectively at a 3rd cutter grain 23 on the concentric circles on second ladder position 12 difference circumferentially, formation asymmetric distribution like this, simultaneously, 3rd cutter grain 23 is axially above the second cutter grain 22, be somebody's turn to do the central axis direction that " axis " refers to clamping handle of a knife 1, man-hour is added at stepped hole, because the 3rd cutter grain 23 is axially above the second cutter grain 22, the 3rd cutter grain 23 is made independently to carry out the end face processing of stepped hole.
Adopt above-mentioned boring surface milling gang tool to carry out stepped hole processing, there is following features:
The utility model embodiment is by arranging the first ladder position 11 and the second ladder position 12 in one end of above-mentioned clamping handle of a knife 1, and multiple second cutter grains 22 and a 3rd cutter grain 23 are set on this second ladder position 12, and each the second cutter grain 22 and the 3rd cutter grain 23 are positioned at respectively accordingly concentrically ringedly respectively circumferentially form asymmetric distribution, both cutting force is reduced like this, also cutting force is made to form asymmetric distribution, so, avoid the vibration and periodic vibration that cause because cutting force is excessive, thus effectively protect cutter, extend its service life, and then reduce production cost, in addition, by by the 3rd cutter grain 23 axially above each the second cutter grain 22, make the 3rd cutter grain 23 can the end face of processing step hole independently, not only increase working (machining) efficiency like this, also avoid the defect of multitool grain processing end face, thus improve the quality of end surface of step hole processing, and then improve processing effect.
In the utility model embodiment, the circumference at above-mentioned four the first cutter grain 21 places is coaxial with the concentric circles at above-mentioned three the second cutter grains 22 and above-mentioned 3rd cutter grain 23 place, and it is coaxial with above-mentioned clamping handle of a knife 1, and, the mounting means of above-mentioned four the first cutter grains 21 on above-mentioned first ladder position 11 is identical, meanwhile, three the second cutter grains 22 and the mounting means of a 3rd cutter grain 23 on above-mentioned second ladder position 12 identical.Certainly, according to actual conditions and demand, in other embodiment of the present utility model, also can be other position relationship between the first cutter grain 21, second cutter grain 22 and the 3rd cutter grain 23, not do unique restriction herein.
In the utility model embodiment, above-mentioned first cutter grain 21 is connected on above-mentioned first ladder position 11, and the first cutter grain 21 is indexable, similarly, above-mentioned second cutter grain 22 and above-mentioned 3rd cutter grain 23 are connected on above-mentioned second ladder position 12, and the second cutter grain 22 and the 3rd cutter grain 23 indexable, herein, indexablely refer to the position changing cutting edge on cutter grain by rotation, namely when after the wearing and tearing of cutter grain cutting edge, other new cutting edge on this cutter grain can be used by transposition, after on this cutter grain, all cutting edges all wear and tear, more can renew cutter grain to continue to use, and clamping handle of a knife 1 need not be changed, greatly reduce the cost of charp tool like this.Further, if for identical product just material altering, cutter, without integral replacing, only need be changed the cutter grain of unlike material, this also reduces the cost of charp tool.Certainly, according to actual conditions and demand, in other embodiment of the present utility model, above-mentioned first cutter grain 21, second cutter grain 22 and the 3rd cutter grain 23 also can adopt other mounting means, do not do unique restriction herein.
In the utility model embodiment, above-mentioned first cutter grain 21, second cutter grain 22 and the 3rd cutter grain 23 are all detachably installed by screw and above-mentioned clamping handle of a knife 1.Particularly, this the first cutter grain 21 adopts the first screw 31 be connected with the first ladder position 11 of clamping handle of a knife 1 and compress, second cutter grain 22 is also that employing first screw 31 is connected with the second ladder position 12 of clamping handle of a knife 1 and compresses, in addition, the 3rd cutter grain 23 is connected by the second screw 32 with the second ladder position 12 of clamping handle of a knife 1 and compresses.Herein, the first screw 31 is preferably M2.5 screw, and the second screw 32 is preferably M4 screw, its manufacture simple, clamping precision is high, convenient disassembly is quick, practical.Certainly, according to actual conditions and demand, in other embodiment of the present utility model, first screw 31 and the second screw 32 also can be the screw of other sizes, in addition, above-mentioned first cutter grain 21, second cutter grain 22 and the 3rd cutter grain 23 also can adopt other securing members and above-mentioned clamping handle of a knife 1 detachably to install, and do not do unique restriction herein.
In the utility model embodiment, above-mentioned first cutter grain 21, second cutter grain 22 and the 3rd cutter grain 23 are all preferably triangular form cutter grain, it have and screw installing hole accordingly, do not describe in detail herein.Further, first cutter grain 21 and the second cutter grain 22 are preferably TCMT110308 cutter grain, and the 3rd cutter grain 23 is preferably TCMT220408 cutter grain, herein, only select the cutter grain of this two type of TCMT110308 and TCMT220408, be convenient to Tool Design like this, manufacture, use and manage.Certainly, according to actual conditions and demand, in other embodiment of the present utility model, above-mentioned first cutter grain 21, second cutter grain 22 and the 3rd cutter grain 23 also can be other types cutter grain.
In the utility model embodiment, above-mentioned clamping handle of a knife 1 is alloy steel piece, and herein, clamping handle of a knife 1 is preferably steel alloy 42CrMo, and accordingly, the lathe interface coordinated with clamping handle of a knife 1 adopts BT50.Certainly, according to actual conditions and demand, in other embodiment of the present utility model, above-mentioned clamping handle of a knife 1 also can adopt other steel alloy, does not do unique restriction herein.
Fig. 5 is bite grain overlap joint schematic diagram, and with reference to being that three second cutter grains 22a, 22b, 22c are TCMT110308 cutter grain in Fig. 5, figure, effective cutting edge length of this cutter grain is 8.2mm, the amount of lap d between cutter grain and cutter grain is 2.2mm; In figure, the 3rd cutter grain 23 is TCMT220408 cutter grain, and effective cutting edge of this cutter grain is long is 19.2mm.The combination of three the second cutter grains and a 3rd cutter grain is adopted in the present embodiment, its total effectively cutting edge length is 8.2 × 3+19.2=43.5mm, and the employing of conventional combination cutter is four TCMT220408 cutter grains, its total effectively cutting edge length is 19.2 × 4=76.8mm, namely effective sword length that two kinds of modes participate in cutting is 43.5mm and 76.8mm respectively, according to calculating, the long difference of sword of two kinds of modes is 76.8-43.5=33.3mm, cutting edge reduces 33.3/76.8=43%, namely the cutter proposed in the present embodiment reduced for 43% (only the cutting force of these four cutter grains compares) on the basis of conventional combination cutter.
Fig. 6 is bite grain and smoothing cutter grain axial difference schematic diagram, with reference to Fig. 6, three the second cutter grains 22 (i.e. 22a, 22b, 22c) are bite grain, three is positioned in same level, 3rd cutter grain 23 is smoothing cutter grain, axially exceeds three the second cutter grain 22 place horizontal plane h=0.03mm, like this, add man-hour at stepped hole, the 3rd cutter grain 23 independently can carry out the end face processing of stepped hole.
Fig. 7 be work piece before processing with the position view of boring surface milling gang tool, Fig. 8 be work piece after processing with the position view of boring surface milling gang tool, with reference to Fig. 7, Fig. 8, end surface of step hole processing is carried out for work piece 4, pocket knife grain (i.e. three the second cutter grains 22) does not participate in cutting, by machete grain (the 3rd cutter grain 23) complete independently, avoid the defect of multitool grain processing, improve end face crudy.
In above-mentioned boring surface milling gang tool manufacture process, 42CrMo material is quenched, and hardness 44 ~ 46HRC, such combination property is better.The important locating surface of above-mentioned all cutter grains, all needs fine finishining after heat treatment.That is need after BT50 interface fine grinding, then with location, BT50 interface position face, fine finishining cutter grain locating surface, object makes manufacture positioning datum and uses unifying datum, reduces mismachining tolerance.Cutter grain is assembled by correct mode after processing, and check with 0.01mm clearance gauge, gapless between cutter grain and each locating surface of cutter hub, then Tool monitoring Equipment Inspection is used, the end sword of cutter is beated≤0.02mm, Zhou Ren beats≤0.03mm, diameter tolerance ± 0.05mm, and machete grain axially exceeds pocket knife grain 0.03mm.After qualified, clamping handle of a knife 1 carries out the subzero treatment of gas nitrogen fully to discharge machining stress, improves stability and the combination property of this clamping handle of a knife 1.
In the use of above-mentioned boring surface milling gang tool, ensure locating surface and the machine tool chief axis locating surface free from admixture of clamping handle of a knife 1, cutter grain, at replacing blade or when renewing cutter grain, clean out each mating surface the thrust tightening tools grain of rear appropriateness.Cutting tool 2 in use needs fully correct cooling, to improve processing environment, improves cutter life.Cutting tool 2, after processing whole hole, needs to stop axial feed 1 ~ 2 second, and like this, machete grain (the 3rd cutter grain 23) smoothing end face is more thorough, and processing effect is better.
Based on technique scheme, the boring surface milling gang tool that the present embodiment proposes, eliminates vibration, improves working (machining) efficiency, the crudy of improvement, and be convenient to tool management, reduce the cost of charp tool.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. boring surface milling gang tool, comprise clamping handle of a knife, with the cutting tool being arranged at described clamping handle of a knife one end, it is characterized in that, one end of described clamping handle of a knife has along stepped the first ladder position that distributes up and down of its central shaft and the second ladder position, described cutting tool comprises uniform intervals and is arranged at same multiple first cutter grains circumferentially on described first ladder position, and multiple second cutter grain on the concentric circles being arranged on described second ladder position and one the 3rd cutter grain, and multiple described second cutter grain and described 3rd cutter grain respectively correspondence be positioned at described concentrically ringed each circumferentially, described 3rd cutter grain is along described central shaft above described second cutter grain.
2. boring surface milling gang tool as claimed in claim 1, it is characterized in that, described concentric circles is coaxial with described clamping handle of a knife.
3. boring surface milling gang tool as claimed in claim 2, it is characterized in that, described first cutter grain is indexable to be connected on described first ladder position, and described second cutter grain and described 3rd cutter grain are indexable to be respectively connected on described second ladder position.
4. boring surface milling gang tool as claimed in claim 2, it is characterized in that, described first cutter grain is connected with described first ladder position is compressed by the first screw, described second cutter grain is connected with described second ladder position is compressed by the first screw, and described 3rd cutter grain passes through the second screw and is connected with described second ladder position and compresses.
5. the boring surface milling gang tool as described in any one of Claims 1-4, is characterized in that, described first cutter grain, described second cutter grain and described 3rd cutter grain are triangular form cutter grain.
6. the boring surface milling gang tool as described in any one of Claims 1-4, is characterized in that, described clamping handle of a knife is alloy steel piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520158484.2U CN204524298U (en) | 2015-03-19 | 2015-03-19 | Boring surface milling gang tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520158484.2U CN204524298U (en) | 2015-03-19 | 2015-03-19 | Boring surface milling gang tool |
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| CN204524298U true CN204524298U (en) | 2015-08-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107398569A (en) * | 2017-08-30 | 2017-11-28 | 东莞市联合磨削精密刀具有限公司 | A kind of new side set cutter |
| CN107649696A (en) * | 2017-11-01 | 2018-02-02 | 上海普锐赛司实业有限公司 | A kind of compound cutting tool |
| CN108465850A (en) * | 2018-06-26 | 2018-08-31 | 常熟万克精密工具有限公司 | A kind of compound tool for processing trough of belt endoporus |
| CN109865871A (en) * | 2019-04-17 | 2019-06-11 | 杭州超尔切削工具有限公司 | A kind of Multifunctional milling cutter |
-
2015
- 2015-03-19 CN CN201520158484.2U patent/CN204524298U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107398569A (en) * | 2017-08-30 | 2017-11-28 | 东莞市联合磨削精密刀具有限公司 | A kind of new side set cutter |
| CN107649696A (en) * | 2017-11-01 | 2018-02-02 | 上海普锐赛司实业有限公司 | A kind of compound cutting tool |
| CN108465850A (en) * | 2018-06-26 | 2018-08-31 | 常熟万克精密工具有限公司 | A kind of compound tool for processing trough of belt endoporus |
| CN109865871A (en) * | 2019-04-17 | 2019-06-11 | 杭州超尔切削工具有限公司 | A kind of Multifunctional milling cutter |
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Effective date of registration: 20200131 Address after: 518000 floor 50, United headquarters building, high tech Zone, No. 63, Xuefu Road, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Fulian Intelligent Manufacturing Industry Innovation Center Co., Ltd Address before: 518000 integrated circuit design and application Industrial Park, No. 1089 Tea Light Road, Shenzhen, Guangdong, Nanshan District Patentee before: SHENZHEN YUANMENG PRECISION TECHNOLOGY INSTITUTE |