CN104741665A - Mechanical-clamping non-indexable inner embedded knife tool - Google Patents
Mechanical-clamping non-indexable inner embedded knife tool Download PDFInfo
- Publication number
- CN104741665A CN104741665A CN201510123573.8A CN201510123573A CN104741665A CN 104741665 A CN104741665 A CN 104741665A CN 201510123573 A CN201510123573 A CN 201510123573A CN 104741665 A CN104741665 A CN 104741665A
- Authority
- CN
- China
- Prior art keywords
- cutter
- interior edge
- edge cutter
- knife
- blade
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2200/00—Details of cutting inserts
- B23B2200/04—Overall shape
- B23B2200/0423—Irregular
Abstract
The invention relates to a mechanical-clamping non-indexable inner embedded knife tool. The inner embedded knife tool comprises an inner embedded knife blade, an inner embedded knife base, an inner embedded knife pad and a fastening screw. A knife containing groove in the inner embedded knife base is matched with the inner embedded knife blade, and the inner embedded knife blade and the inner embedded knife base are rapidly positioned through cooperation between two positioning faces forming an angle of 90 degrees, and clamped through the fastening screw to form the inner embedded knife tool via mechanical-clamping holes. The inner embedded knife tool is inserted into an inner embedded knife tool knife containing groove in the surface of the head of a knife body through the handle part of the inner embedded knife base, and the positioning faces are in interference fit to clamp the inner embedded knife tool. High-temperature welding is not needed, the structure is simple, installing, operating and adjusting are convenient, the machining quality and machining efficiency of deep holes are improved, the manufacturing and using costs of the knife tool are lowered, and the mechanical-clamping non-indexable inner embedded knife tool can be widely applied to the field of machining of deep holes of various sizes and depths.
Description
Technical field
The present invention relates to a kind of deep hole processing cutter, be specifically related to a kind of not indexable interior edge cutter cutter of clip type of gun drilling.
Background technology
The interior edge cutter cutter of the high speed deep hole drill used in the market comprises traditional thermal weld cutter and external indexable mechanically-clamped cutting tool two class.
Interior edge cutter blade and the interior edge cutter tool rest of tradition thermal weld cutter adopt artificial hot weld formula to connect and compose interior edge knife assembly.There is the possibility that high-temperature soldering causes stress and crackle, cutter geometric identity is poor, and charge and discharge operations is complicated, and cutter makes the problems such as use cost is high.The geometric parameter of cutting edge and chip-breaker flute profile are just can machine-shaping according to workpiece concrete condition after composition Inner inlays knife assembly.
The interior edge cutter blade of external indexable mechanically-clamped cutting tool and interior edge cutter tool rest adopt insert clamping to form interior edge knife assembly.The problems such as external indexable mechanically-clamped cutting tool is fool's cutter, blade one-shot forming, and existence can not give full play to operating personnel's technical strength, and process velocity is fixed, about 90mm/min, and the adjustable extent of processing is less, is 0.3mm, and cutter use cost is high.
The shortcoming of above-mentioned two kinds of cutters constrains deep hole machining efficiency and application to a certain extent.
Summary of the invention
Technical problem to be solved by this invention overcomes above-mentioned deficiency, there is provided a kind of clip type not indexable interior edge cutter cutter, this interior edge cutter cutter efficiently solves deep hole machining quality and the low problem of working (machining) efficiency, and it is low to make use cost, effectively can reduce the labour intensity of operative employee.
Technical scheme of the present invention: the not indexable interior edge cutter cutter of a kind of clip type, this interior edge cutter cutter comprises: interior edge cutter blade, one end of described interior edge cutter blade is cutting edge and chip-breaker, the other end is the V-arrangement locating surface that two planes are combined in 90 °, and interior edge cutter blade is provided with a machinery clamping band tapering through hole; And interior edge cutter tool rest, described interior edge cutter tool rest is made up of the base of edge cutter blade in cylindric handle of a knife and installation from the appearance, described base is one and approximate rectangularly stops, its top offers and matches, in the V-arrangement knife holder slots of 90 ° with above-mentioned interior edge cutter blade, bottom is processed with the clamping fastening screw pit of machinery, one end of knife holder slot 90 ° of zenith directions is cylinder handle of a knife, and the bottom surface of handle of a knife cylindrical and base is tangent, and the base side near handle of a knife axle center and handle of a knife distance of shaft centers are from fixing; Described Inner is inlayed cutter blade and Inner and inlays cutter tool rest and coordinated by the V-arrangement locating surface that two is 90 ° and locate rapidly, and interior edge cutter blade and interior edge cutter tool rest connect to form interior edge cutter cutter by trip bolt.
Described interior edge cutter blade is connected with the screwed hole on interior edge cutter tool rest through described band tapering through hole by trip bolt, and this trip bolt is be arranged in the machinery clamping band tapering through hole of described interior edge cutter blade in suppressible mode in the assembled condition.
Described cylindric handle of a knife and base are that overall processing is shaping.
Described interior edge cutter blade is provided with three main cutting edge 1a, 1b, 1c and two minor cutting edge 1d, 1e, and the chip surface of main cutting edge 1a, 1c and the angle of described interior edge cutter blade vertical plane are 12 °.
The described interior handle of a knife of edge cutter tool rest and the junction of base are provided with an edge bearing.
Described interior edge cutter blade unifies sintering by blade pressing mold to form.
The orientation distance of the knife holder slot on the locating surface of described interior edge cutter blade and interior edge cutter tool rest is 0.5 ± 0.02mm.
The material of described interior edge cutter cutter is hard alloy steel.
The present invention compared with prior art has following beneficial effect: interior edge cutter blade of the present invention is unified sintering by blade pressing mold and formed, and blade size is unification very, the whole location dimension of interior edge cutter tool rest is all through grinder fine finishining, knife holder slot and knife holder slot holes for clamping all machine on CNC milling machine, the locating surface of blade and the distance of tool rest knife holder slot are strict controlled within the scope of 0.5 ± 0.02mm, the geometrical dimension tolerances of each finished product controls within 0.04mm, the interchangeability of interior edge cutter blade is made to reach 100%, more just can directly use without the need to tool setting after allowing blade replacement, reduce the labour intensity of operative employee, save the time, effectively improve deep hole machining quality and working (machining) efficiency, reduce cutter and make use cost, the deep hole machining field of different size and the degree of depth can be widely used in.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the sectional view of Fig. 1 along A-A hatching;
Fig. 3 is the structural representation of interior edge cutter blade in the present invention;
Fig. 4 is the left view of Fig. 3;
The structural representation of edge cutter base in Fig. 5 the present invention;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the assembling schematic diagram of edge cutter cutter and cutter hub in the present invention;
Fig. 8 is the direction view of Fig. 7 along B-B line.
In figure: edge cutter blade in 1-, edge cutter tool rest in 2-, 3-edge bearing, 4-trip bolt, 5-cylinder handle of a knife, 6-base, 7-knife holder slot, 8-screwed hole, 9-through hole, 10-cutter hub, 11-fills tool bore, 12-cutter hub handle of a knife, 13-cutter hub shank channel, 14-chip removal cavity.
Detailed description of the invention
For understanding the present invention better, below in conjunction with Figure of description, the present invention is further illustrated:
The not indexable interior edge cutter cutter of a kind of clip type, as shown in Figure 1, this interior edge cutter cutter comprises: interior edge cutter blade 1, one end of described interior edge cutter blade 1 is cutting edge and chip-breaker, the other end is the V-arrangement locating surface that two planes are combined in 90 °, and interior edge cutter blade 1 is provided with a machinery clamping band tapering through hole 9.Described interior edge cutter blade unifies sintering by blade pressing mold to form, then according to geometric parameter and the chip-breaker flute profile of the parameters determination cutting edge such as rotating speed, the amount of feeding of the property indices of workpiece to be machined material, equipment and workpiece, edge grinding machine machines.And interior edge cutter tool rest 2, described interior edge cutter tool rest 2 is made up of the base 6 of edge cutter blade in cylindric handle of a knife 5 and installation from the appearance, described base 6 is one and approximate rectangularly stops, its top offers and matches with above-mentioned interior edge cutter blade, in the V-arrangement knife holder slot 7 of 90 °, the angle α of knife holder slot 7 is 90 °, bottom is processed with the clamping fastening screw pit 8 of machinery, one end of knife holder slot 90 ° of zenith directions is cylinder handle of a knife 5, the cylindrical of cylinder handle of a knife 5 and the bottom surface of base 6 tangent, the side of the base 6 near cylinder handle of a knife 5 axle center and cylinder handle of a knife 5 distance of shaft centers are from fixing, the cylinder handle of a knife 5 of described interior edge cutter tool rest 2 is also provided with an edge bearing 3 with the junction of base 6, as shown in Figure 4.Described Inner is inlayed cutter blade 1 and Inner and inlay cutter tool rest 2 and coordinated by the V-arrangement locating surface that two is 90 ° and locate rapidly, and interior edge cutter blade 1 and interior edge cutter tool rest 2 connect to form interior edge cutter cutter by trip bolt 4.
Described cylindric handle of a knife 5 and base 6 are that overall processing is shaping, two on knife holder slot 7 in the locating surface of 90 ° and the clamping fastening screw pit 8 of machinery be one-time positioning and machine.The orientation distance of the knife holder slot 7 on the locating surface of described interior edge cutter blade 1 and interior edge cutter tool rest 2 is 0.5 ± 0.02mm, the orientation distance of interior edge cutter blade 0.5mm is the key of cutter hub centering, if distance too conference cause interior edge cutter often to forge a knife, squeeze broken situation and occur.The geometrical dimension tolerances of each finished product controls within 0.04mm, and the interchangeability of interior edge cutter blade 1 reaches 100%, just can directly use, the skill requirement substantially increasing operating efficiency and reduce operating personnel in changing after edge cutter blade without the need to tool setting.The angle 90 ° of two locating surfaces on interior edge cutter blade 1 and the position of positioning through hole, and the stress point in cutter hub of Distance geometry trip bolt when holing that side must have is located in the length of knife holder slot 7 on interior edge cutter tool rest 2 and the screwed hole cutting edge that must ensure when being and having considered boring, Breadth Maximum that cutter groove can leave, the diameter of trip bolt, hole and two, and the decision of each constraints such as blade weight and cost, knife holder slot 7 and screwed hole all machine on CNC milling machine.
The material of described interior edge cutter cutter is hard alloy steel, because hard alloy steel has high rigidity, high strength and wear-resisting characteristic, can be used to cut the difficult to machine materials such as heat resisting steel, stainless steel, potassium steel, tool steel, and the fast several times of the comparable cutter be made up of carbon steel etc. of cutting speed.The machining accuracy of described interior edge cutter cutter is 0.005mm, and surface roughness is 1.6.
As shown in Figure 2, described interior edge cutter blade 1 is connected with the clamping fastening screw pit 8 of machinery on interior edge cutter tool rest 2 with band tapering through hole 9 through described machinery is clamping by trip bolt 4, and this trip bolt 4 is be arranged in the machinery clamping band tapering through hole 9 of described interior edge cutter blade 1 in suppressible mode in the assembled condition.
As shown in Figure 3, Figure 4, the front end of described interior edge cutter blade 1 is provided with three main cutting edge 1a, 1b, 1c and two minor cutting edge 1d, 1e, the chip surface of main cutting edge 1a and the angle β of described interior edge cutter blade 1 vertical plane are 12 °, the chip surface of main cutting edge 1b and the angle γ of described interior edge cutter blade 1 vertical plane are also 12 °, the cutting face of main cutting edge 1c and the angle theta of described interior edge cutter blade 1 vertical plane are 18 ° ± 30', and two minor cutting edges 1d, 1e are located at the upper and lower two sides of interior edge cutter blade 1 front end.
The width E=22 of the interior edge cutter blade 1 that must ensure during boring
mm, cutting edge width is respectively A=7
mm, B=8
mm, C=6
mm, D=7
mm, the Breadth Maximum H=2.5 that locating hole edge and cutter groove can leave
mm, bottom diameter φ=5.5 of trip bolt
mm, screw hole presses the die sinking of NPMX-2405RG angular standard, and screw bottom hole edge and two locating surface distance F are between 2.8mm-3.5mm, and the distance of center, hole and blade apex ensures G=2.5
mm.Comprehensive above conditional decision α is between 89 °-90 °; Thick τ=6 of blade
mm, main cutting edge 1a relief angle is 8 ° ± 30', main cutting edge 1b, 1c relief angle is 10 ° ± 30', main cutting edge 1b, 1c step distance is 1.2-1.3mm, minor cutting edge 1e relief angle is 15 ° ± 30', minor cutting edge 1d ensures that the length relief angle of paying sword is 0 °, and a pair angle of minor cutting edge 1d is between 20 °-30 °, and blade locating surface base has 1 × 45 ° of back chipping chamfering.
As shown in Figure 5, Figure 6, the knife holder slot 7 on interior edge cutter tool rest 2 all machines with screwed hole on CNC milling machine.Interior edge cutter tool rest 2 joins cutting edge 1a' face lower than the main cutting edge 1a on interior edge cutter blade 1, in ensureing, edge cutter blade 1 is higher than interior edge cutter tool rest 0.2-0.3mm, interior edge cutter tool rest 2 joins cutting edge 1b', 1c' face is lower than the main cutting edge 1c on interior edge cutter blade 1, in ensureing, edge cutter blade 1 is higher than interior edge cutter tool rest 0.2-0.3mm, cutting edge 1e' face of joining on interior edge cutter tool rest 2 should lower than the main cutting edge 1e on interior edge cutter blade 1, in ensureing, edge cutter blade 1 is higher than interior edge cutter tool rest 0.8-1mm, minor cutting edge 1d face on interior edge cutter blade and interior edge cutter tool rest side orientation distance require that control range is 0.5 ± 0.02mm
, the orientation distance of the 0.5mm of interior edge cutter blade is the key that cutter hub 10 is felt relieved, if distance too conference cause interior cutter often to forge a knife, squeeze broken situation and occur.Knife holder slot 7 degree of depth τ=6 on interior edge cutter tool rest 2
mm, joining cutting edge 1a' metafacial angle is 12 °-13 °, join cutting edge 1b', the relief angle in 1c' face is 12 °-13 °, the relief angle of joining cutting edge 1e' face is 15 °-16 °, consistent with the distance in 90 ° of locating surfaces with tapering through hole center on the distance of 7 two locating surfaces in screwed hole 8 center and knife holder slot on interior edge cutter tool rest 2 and interior edge cutter blade 1, the angle of knife holder slot two locating surfaces is consistent with the angle of two locating surfaces on interior edge cutter blade 1, in ensureing, the edge locating surface of cutter blade 1 and the locating surface of knife holder slot 7 are fitted accurately, the interchangeability of interior edge cutter blade is made to reach 100%, just can directly use without the need to tool setting after changing inner blade, the skill requirement substantially increasing operating efficiency and reduce operating personnel.
As shown in Figure 7, Figure 8, the head of cutter hub 10 has the dress tool bore 11 plugging interior edge cutter tool rest 2, the adjacent locations of dress tool bore 11 offers the chip removal cavity 14 for guiding chip, and the afterbody of cutter hub is cutter hub handle of a knife 12, and cutter hub handle of a knife 12 is provided with cutter hub shank channel 13.During assembling, being inserted in cutter hub 10 head surface by the cylindrical knife shank 5 of interior edge cutter tool rest 2 by interior edge cutter cutter inlays in cutter cutter dress tool bore 11, complete the assembling of interior edge cutter cutter and cutter hub, its locating surface is that interference fit is to realize the clamping of interior edge cutter cutter, interior edge cutter cutter pad the thickness that thickness that Inner inlays cutter edge bearing 3 pads outer edge cutter edge bearing by outer edge cutter cutter institute and decide, make interior edge cutter blade 1 achieve the certralizing ability of Inner edge cutter blade 1 all the time prior to outer edge cutter blade cutting workpiece.During work, deep hole tools connects suitable boring bar by cutter hub shank rectangular thread, rotational workpieces and boring bar, the core of the first cutting workpiece of blade of edge cutter first, the iron filings that interior edge cutter cuts to be connected with boring bar inner chamber by interior blade row bits cavity 14 and cutter hub shank channel 13 and to be discharged to iron filings case.
Above-mentioned interior edge cutter cutter is the not indexable interior edge cutter cutter of φ 71.5 clip type, the geometrical dimension tolerances of its finished product all controls within 0.04mm, the interchangeability of interior edge cutter blade 1 reaches 100%, just can directly use without the need to tool setting after edge cutter blade in changing, improve deep hole machining quality and working (machining) efficiency, reduce cutter and make use cost, the deep hole machining field of different size and the degree of depth can be widely used in.
Above-described embodiment only understands the present invention for those skilled in the art, and is not limitation of the present invention, all any amendment, the improvement done on the basis of technical solution of the present invention or equivalent to replace, and is all included within protection scope of the present invention.
Claims (8)
1. the not indexable interior edge cutter cutter of clip type, is characterized in that this interior edge cutter cutter comprises:
Interior edge cutter blade, one end of described interior edge cutter blade is cutting edge and chip-breaker, and the other end is the V-arrangement locating surface that two planes are combined in 90 °, and interior edge cutter blade is provided with a machinery clamping band tapering through hole; And
Interior edge cutter tool rest, described interior edge cutter tool rest is made up of the base of edge cutter blade in cylindric handle of a knife and installation from the appearance, described base is one and approximate rectangularly stops, its top offers and matches, in the V-arrangement knife holder slots of 90 ° with above-mentioned interior edge cutter blade, bottom is processed with the clamping fastening screw pit of machinery, one end of knife holder slot 90 ° of zenith directions is cylinder handle of a knife, and the bottom surface of handle of a knife cylindrical and base is tangent, and the base side near handle of a knife axle center and handle of a knife distance of shaft centers are from fixing;
Described Inner is inlayed cutter blade and Inner and inlays cutter tool rest and coordinated by the V-arrangement locating surface that two is 90 ° and locate rapidly, and interior edge cutter blade and interior edge cutter tool rest connect to form interior edge cutter cutter by trip bolt.
2. the not indexable interior edge cutter cutter of clip type according to claim 1, it is characterized in that described interior edge cutter blade is connected with the screwed hole on interior edge cutter tool rest through described band tapering through hole by trip bolt, this trip bolt is be arranged in the machinery clamping band tapering through hole of described interior edge cutter blade in suppressible mode in the assembled condition.
3. the not indexable interior edge cutter cutter of clip type according to claim 1, is characterized in that described cylindric handle of a knife and base are that overall processing is shaping.
4. the not indexable interior edge cutter cutter of clip type according to claim 1 and 2, it is characterized in that described interior edge cutter blade is provided with three main cutting edge (1a, 1b, 1c) He two minor cutting edge (1d, 1e), the chip surface of main cutting edge (1a, 1c) and the angle of described interior edge cutter blade vertical plane are 12 °.
5. the not indexable interior edge cutter cutter of clip type according to claim 1, is characterized in that the described interior handle of a knife of edge cutter tool rest and the junction of base are provided with an edge bearing.
6. the not indexable interior edge cutter cutter of clip type according to claim 1, is characterized in that described interior edge cutter blade unifies sintering by blade pressing mold to form.
7. the not indexable interior edge cutter cutter of clip type according to claim 1, is characterized in that the orientation distance of the knife holder slot on the locating surface of described interior edge cutter blade and interior edge cutter tool rest is 0.5 ± 0.02mm.
8. the not indexable interior edge cutter cutter of clip type according to claim 1, is characterized in that the material of described interior edge cutter cutter is hard alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510123573.8A CN104741665A (en) | 2015-03-20 | 2015-03-20 | Mechanical-clamping non-indexable inner embedded knife tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510123573.8A CN104741665A (en) | 2015-03-20 | 2015-03-20 | Mechanical-clamping non-indexable inner embedded knife tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104741665A true CN104741665A (en) | 2015-07-01 |
Family
ID=53582236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510123573.8A Pending CN104741665A (en) | 2015-03-20 | 2015-03-20 | Mechanical-clamping non-indexable inner embedded knife tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104741665A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58192706A (en) * | 1982-05-06 | 1983-11-10 | Nippon Yakin:Kk | Deep hole boring device |
| KR100674665B1 (en) * | 2002-11-15 | 2007-01-25 | 유니택 가부시키가이샤 | Deep hole cutter |
| CN1974089A (en) * | 2006-12-08 | 2007-06-06 | 田清安 | Deep hole drilling bit and blade |
| CN201702413U (en) * | 2010-06-18 | 2011-01-12 | 曹海 | Clamping type deep hole drill |
| CN102430781A (en) * | 2011-10-27 | 2012-05-02 | 成都工具研究所有限公司 | Inner chip removal deep hole drilling tool for hard alloys |
| CN102985203A (en) * | 2010-04-23 | 2013-03-20 | Tbt深钻技术有限责任公司 | Drill head for a deep hole drilling tool for BTA deep hole drilling, and deep hole drilling tool |
| US20140154022A1 (en) * | 2011-05-16 | 2014-06-05 | Takuji Nomura | Drill head for deep hole cutting |
| CN104148706A (en) * | 2014-06-05 | 2014-11-19 | 哈尔滨汽轮机厂有限责任公司 | Turbine high and intermediate pressure cylinder horizontal split bolt deep hole drilling bit and use method thereof |
| CN104400080A (en) * | 2014-09-23 | 2015-03-11 | 宁波市荣科迈特数控刀具有限公司 | Deep hole drill |
| CN204565230U (en) * | 2015-03-20 | 2015-08-19 | 山西风雷钻具有限公司 | The not indexable interior edge cutter cutter of clip type |
-
2015
- 2015-03-20 CN CN201510123573.8A patent/CN104741665A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58192706A (en) * | 1982-05-06 | 1983-11-10 | Nippon Yakin:Kk | Deep hole boring device |
| KR100674665B1 (en) * | 2002-11-15 | 2007-01-25 | 유니택 가부시키가이샤 | Deep hole cutter |
| CN1974089A (en) * | 2006-12-08 | 2007-06-06 | 田清安 | Deep hole drilling bit and blade |
| CN102985203A (en) * | 2010-04-23 | 2013-03-20 | Tbt深钻技术有限责任公司 | Drill head for a deep hole drilling tool for BTA deep hole drilling, and deep hole drilling tool |
| CN201702413U (en) * | 2010-06-18 | 2011-01-12 | 曹海 | Clamping type deep hole drill |
| US20140154022A1 (en) * | 2011-05-16 | 2014-06-05 | Takuji Nomura | Drill head for deep hole cutting |
| CN102430781A (en) * | 2011-10-27 | 2012-05-02 | 成都工具研究所有限公司 | Inner chip removal deep hole drilling tool for hard alloys |
| CN104148706A (en) * | 2014-06-05 | 2014-11-19 | 哈尔滨汽轮机厂有限责任公司 | Turbine high and intermediate pressure cylinder horizontal split bolt deep hole drilling bit and use method thereof |
| CN104400080A (en) * | 2014-09-23 | 2015-03-11 | 宁波市荣科迈特数控刀具有限公司 | Deep hole drill |
| CN204565230U (en) * | 2015-03-20 | 2015-08-19 | 山西风雷钻具有限公司 | The not indexable interior edge cutter cutter of clip type |
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| PB01 | Publication | ||
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Application publication date: 20150701 |