CN2112486U - Cutter for diamond - Google Patents
Cutter for diamond Download PDFInfo
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- CN2112486U CN2112486U CN 91228709 CN91228709U CN2112486U CN 2112486 U CN2112486 U CN 2112486U CN 91228709 CN91228709 CN 91228709 CN 91228709 U CN91228709 U CN 91228709U CN 2112486 U CN2112486 U CN 2112486U
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- inner blade
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Abstract
The utility model relates to a cutter for diamonds, belonging to a diamond cutting tool and being suitable for cutting hard materials. The utility model is composed of a cutter body (1), an inner blade (2), an outer cutter (3) and a main chip removal channel (4), and is mainly characterized in that inner blade support ribs (5) whose cusps face the excircle of the cutter for diamonds are prefabricated on both sides of the inner cutter (2); the inner blade support ribs (5) radially form a certain angle with the cutter. When the cutter for diamonds with big and middle diameters is made, an edge collecting block (7) is arranged between two adjacent inner blade support ribs (5). The utility model has the advantages of high fatigue resistance, outstanding cooling and chip removal effect, and good effect of cutting and out edge of diamonds, and can achieve the purposes of increasing the service life, the cutting speed and efficiency of the cutter.
Description
The utility model belongs to diamond cutting tool.
In the prior art, the instrument that is used for cutting metal or hard nonmetallic materials adopts cutting piece made from diamond more, and its reason is that diamond has the fast advantage of the big cutting speed of hardness.A kind of cutting piece made from diamond of producing with galvanoplastic, by lamellar body, inner blade (or glomerocryst), outer blade is that the diamond electroplating layer is formed, it is characterized in that inner blade is that garden cylindricality or cross section are the stick of rectangle, vertically be embedded on the end face of external garden week of sheet, the electroplated diamond electrodeposited coating forms the outer blade that both sides are the plane then.This cutting piece made from diamond has better fatigue resistance, has guaranteed that simultaneously adamantine hardness is not subjected to fire damage in manufacturing process.But because in the use, blade end face and side are cut simultaneously and be cut in the material and the friction of tightly fitting, cooling fluid is difficult in time be ejected on the cut surface, makes diamond be subjected to certain fire damage, has reduced the service life of cutting blade.Simultaneously, the inner blade of strip vertically is embedded on the end face of external garden week of sheet, and its rupture strength is poor, and it is also desirable not to the utmost to go out sword in the use, influences the cutting speed of cutting blade.A kind of cutting piece made from diamond that adopts powder metallurgic method to produce is made up of cutter hub and diamond blade two parts, and materials such as diamond directly are compressed on the cutter hub, and are suppressed with radial corrugation on blade face.The manufacture craft of this cutting blade is fairly simple, and in use, cooling fluid can more promptly arrive cut surface, avoids diamond to be subjected to fire damage.But its fatigue resistance is lower, influences the service life of cutting blade.Simultaneously, the groove of blade face radially distributes, and in use, because action of centrifugal force, row's powder effect is also desirable not to the utmost.And when adopting pressure sintering to produce, adamantine hardness can be subjected to certain fire damage.Also exist chip removal undesirable when above-mentioned cutting piece made from diamond is used for cutting metal, and be difficult to sharpening.
Thereby being to provide a kind of, the purpose of this utility model can guarantee that adamantine hardness is not subjected to or is subjected to fire damage less, has good fatigue resistance and the chip removal performance improves the cutting speed and the cutting piece made from diamond in service life.
In order to achieve the above object, the designed structure of the utility model is, a kind of cutting piece made from diamond, by cutter hub (1), inner blade (2), outer blade (3) and main channel of chip removal (4) are formed, it with the body design of inner blade (2) ring-type or ring-type one section, it is made by superhard material, and be connected on the cutter hub (1) of the garden plate-like that has centre bore, outer blade (3) is the diamond electroplating layer that is wrapped on the inner blade (2), also be shaped on inner blade in advance in the both sides of inner blade (2) and prop up muscle (5), the both side surface of blade (3) is distributed with outer blade and props up muscle (6) outside, because in inner blade (2) both sides is that equal thickness is electroplated, the shape that outer blade (3) and outer blade prop up muscle (6) is determined by the shape that inner blade (2) and inner blade prop up muscle (5).
It is to be wedge angle garden and wedge shape of arching outside described cutting piece made from diamond that inner blade props up muscle (5), its major axis and cutting piece made from diamond radially have certain angle, maximum angle is Arc cos(R-tmax)/R.The action direction or the cooling fluid movement angle that make it basic and cutting force are corresponding.And make its basil be beneficial to chip removal and have good intensity.Wherein, R is the radius of described cutting blade, and tmax is the maximum depth of cut.Inner blade props up muscle (5) and outer blade, and to prop up the hardness of muscle (6) higher, the bearing strength height, and its shape and distribution situation help improving cutting state, improve mechanical strength, avoid the diamond of outer blade (3) both sides to be worn prematurely as far as possible and are heated; The groove that adjacent two outer blades prop up between the muscle (6) has centrifugal curved surface, helps that cooling fluid in time is ejected on the cut surface and row's powder, chip removal.
For general cutting piece made from diamond, the cutting piece made from diamond of minor diameter particularly, in order to improve its globality, generally inner blade (2) can be designed to ring-type, main channel of chip removal (4) is a groove, is distributed in propping up the outer blade that muscle (6) indentation forms by a plurality of outer blades and propping up muscle (6) group both sides of outer blade (3) both sides.When outer blade props up muscle (6) and is subjected to necessarily wearing and tearing, main channel of chip removal (6) will be brought into play main feed flow and row's powder chip removal effect.
Big in order further to improve, the fatigue resistance of the cutting piece made from diamond of middle diameter or form-cutting, improve cutting effect, another solution is on the basis of such scheme, inner blade (2) is designed to a section of the ring bodies separated by main channel of chip removal (4), both sides in inner blade (2), two adjacent inner blades of part prop up and stud with collection sword piece (7) between the muscle (5), it is shaped as the wedge shape in wedge angle garden outside cutting piece made from diamond, its major axis and cutting piece made from diamond radially have certain angle, and maximum angle is Arc cos(R-tmax)/R; Collection sword piece (7) is made by superhard material, and its hardness is propped up the hardness that muscle (5) and outer blade prop up muscle (6) greater than inner blade.
Collection sword piece (7) is along the alternate layout in groups of circumferential height of cutting piece made from diamond.
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the cutting piece made from diamond floor map;
Fig. 2 is the A-A cutaway view of the amplification of Fig. 1;
Fig. 3 is for having the cutting piece made from diamond floor map of collection sword piece (7);
Fig. 4 is the B-B cutaway view of the amplification of Fig. 3;
Fig. 5 has the cutting piece made from diamond floor map that is the main channel of chip removal (4) of curved surface groove radial and axial;
Fig. 6 is the C-C profile stretch-out view of Fig. 5 of amplification.
The cutting piece made from diamond that Fig. 1 provides is made up of cutter hub (1), inner blade (2), outer blade (3) and main channel of chip removal (4).Cutter hub (1) is a garden dish that has centre bore, and the main body of inner blade (2) is connected on all end faces in outer garden of cutter hub (1) in the form of a ring.Outer blade (3) is the diamond electroplating layer that plates out in inner blade (2) surface electrical, wherein also can contain hard compounds.Inner blade (2) is made by superhard material, can be to contain adamantine material; Also can contain hard compounds, as tungsten carbide and cubic boron nitride etc.; Sheet metal be can also select for use, be inlaid with gold hard rock and hard compounds on this sheet, pressed with certain plasticity and hardness.The method of attachment of inner blade (2) and cutter hub (1) can be adopted welding-on, electroplates impregnated and press multiple mode such as edge.The both sides of inner blade (2) are shaped on inner blade in advance and prop up muscle (5), it is to be wedge angle garden and wedge shape of arching outside cutting piece made from diamond in the both sides of inner blade (2), its major axis and described cutting blade radially have certain included angle, and maximum angle is Arc cos(R-tmax)/R.Owing to electroplate in inner blade both sides equal thickness, therefore also be distributed with outer blade on the blade (3) outside and prop up muscle (6), can make outer blade (3) surface have the groove of several toroidals and centrifugal curved surface.Main channel of chip removal (4) is arranged in inner blade (2) both sides and props up the both sides that inner blade that muscle (5) indentation forms props up muscle (5) group by a plurality of inner blades, generally is groove.
Positive and negative two sides at cutter hub (1), can prop up muscle (6) and the unilateral angle radially of described cutting blade centrifugal curved surface corrugated drain road (8) accordingly along being circumferentially with outer blade, its groove communicates with the groove that main channel of chip removal (4) and last two the adjacent outer blades of outer blade (3) prop up between the muscle (6), to improve feed flow cooling situation.
The hardness of blade (3) is greater than the hardness of inner blade (2) outside guaranteeing in manufacturing process; Outer blade props up the corresponding hardness greater than outer blade (3) and inner blade (2) of hardness that muscle (6) and inner blade prop up muscle (5), can control diamantiferous concentration and realize.Can also carry out other physics, chemical treatment.For the cutting piece made from diamond than flash plating, outer blade props up muscle (6) surface should impregnated more fine grain diamond.In addition, carcass will have certain rigidity, intensity and good toughness, and its wearing and tearing are with adamantine normally to go out sword corresponding from sharp.
Cutting piece made from diamond shown in Fig. 3 is on the basis of above-mentioned embodiment, suitably increases collection sword piece (7) in inner blade (2) both sides.Collection sword piece (7) is made by superhard material, and generally select for use diamond to electroplate or suppress and form with relevant carcass, also can be dimond synneusis.Collection sword piece (7) is generally made the four sides taper, wedge angle is the garden outside described cutting blade, respectively be arranged in part two adjacent inner blades along unilateral circumferential height and prop up in the groove in the middle of the muscle (5), its major axis and described cutting piece made from diamond radially angle and inner blade to prop up muscle (5) identical with described cutting blade angle radially.Collection sword piece (7) can singlely be arranged, also can connect or arrange in groups with a plurality of collection sword pieces (7) turriform base as required.The hardness of collection sword piece (7) is greater than inner blade and props up the hardness that muscle (5) and outer blade prop up muscle (6).Such design can make described cutting blade in use form and keeps two groups of point rings, and its stressing conditions helps improving cutting state.Collection sword piece (7) also can be along described cutting blade circumferential arrangement delegation or multirow.It also can be embedded in outer garden week of the end face of inner blade (2) or cutter hub (1) on the end face.
Main channel of chip removal (4) can be the groove of opening, is distributed in the two ends of outer blade (3), also can be inner blade (2) not to be disconnected.On the positive and negative two sides of cutter hub (1), also can be provided with drain road (8), to strengthen the feed flow cooling effect.
Collection sword piece (7) can also replace the part inner blade in this paper aforementioned schemes to prop up muscle (5).
Cutting piece made from diamond shown in Fig. 5 is the another kind of representational scheme that proposes on the basis of aforementioned two kinds of embodiments, its main channel of chip removal (4) its radially and (perhaps) axially be curved surface shape groove, and the side arc of main channel of chip removal (4) and two adjacent outer blades prop up the back of muscle (6) or front, and the intersection on the blade (3) is corresponding outside.Its good integrity helps improving cutting state, is particularly conducive to metal cutting, and its outer blade props up muscle (6) and arches in a direction at least the circumferential of described cutting blade, and this helps choosing the suitable radially basil.The outer circumference surface of its inner blade (2) or outer blade (3) can also be other curved surfaces.Can be used for milling for grinding.Be used for changing roughing over to after essence is cut at it, can not need sharpening and long service life.
The thickness and the radical length of inner blade that the utility model relates to (2) or outer blade (3), inner blade props up the size and the basil thereof that muscle (5) or outer blade prop up muscle (6) or collection sword piece (7), the material of cutter hub (1) and thickness etc. all should adapt with the diameter of cutter hub (1), the performances such as rotating speed that are cut material behavior and lathe.
In addition, the centre bore of described cutting blade cutter hub (1) can be offered suitable keyway or establish annular boss or installing hole etc. around this centre bore.
The utility model particularly arrive the use later stage because inner blade (2) and prop up the design of muscle (5) at the prefabricated inner blade in inner blade (2) both sides has improved the fatigue resistance of described cutting piece made from diamond, and compared with similar products, this effect can be more obvious.Simultaneously, make outer blade (3) surface form some grooves, can make cooling fluid arrive cut surface rapidly, can reach the purpose of avoiding diamond to be subjected to fire damage on the one hand, the powder of cutting, bits are in time discharged with centrifugal curved surface.And inner blade props up muscle (5), outer blade props up muscle (6) and collection sword piece (7) is radially in a certain angle with described cutting piece made from diamond, can improve diamond and go out sword and cutting state.Finally reach the service life of improving cutting piece made from diamond, improve the purpose of cutting speed and efficient.And has multiple cutting function.
The utility model is the ideal tools of nonmetallic materials such as cutting stone material.The cutting piece made from diamond that reaches the minor diameter that certain degree of hardness etc. requires is applicable to cutting metal material, for example is used for the cutting of metal and form-cutting etc.
Claims (5)
1, a kind of cutting piece made from diamond, form by cutter hub (1), inner blade (2), outer blade (3) and main channel of chip removal (4), cutter hub (1) is a garden dish that has centre bore, inner blade (2) is connected on all end faces in outer garden of cutter hub (1), make by superhard material, outer blade (3) is the diamond electroplating layer that is wrapped on the inner blade (2), and the main body that it is characterized in that inner blade (2) also is shaped on inner blade in advance in its both sides and props up muscle (5) in the form of a ring; Outer blade (3) both side surface is distributed with outer blade and props up muscle (6), and its shape is propped up the shape decision of muscle (5) by inner blade (2) and inner blade; Main channel of chip removal (4) is a groove, is distributed in inner blade (2) both sides and props up the inner blade that muscle (5) indentation forms by a plurality of inner blades and prop up muscle (5) group both sides.
2, cutting piece made from diamond according to claim 1, it is characterized in that it is to be wedge angle garden and wedge shape of arching outside cutting piece made from diamond that inner blade props up muscle (5), its major axis and cutting piece made from diamond radially have certain angle, and maximum angle is Arc cos(R-tmax)/R.
3, cutting piece made from diamond according to claim 1 and 2, it is characterized in that circumferentially also being provided with centrifugal curved surface corrugated drain road (8) in the upper edge, positive and negative two sides of cutter hub (1), its groove communicates with the groove that main channel of chip removal (4) and last two the adjacent outer blades of outer blade (3) prop up between the muscle (6).
4, a kind of cutting piece made from diamond, form by cutter hub (1), inner blade (2), outer blade (3) and main channel of chip removal (4), cutter hub (1) is a garden dish that has centre bore, inner blade (2) is connected on all end faces in outer garden of cutter hub (1), make by superhard material, outer blade (3) is the diamond electroplating layer that is wrapped on the inner blade (2), main channel of chip removal (4) is the groove of an opening, one section of the ring bodies that the main body that it is characterized in that inner blade (2) is separated by main channel of chip removal (4) also is shaped on inner blade in advance in its both sides and props up muscle (5); Outer blade (3) both side surface is distributed with outer blade and props up muscle (6), and its shape is propped up the shape decision of muscle (5) by inner blade (2) and inner blade; It is to be wedge angle garden and wedge shape of arching outside cutting piece made from diamond that inner blade props up muscle (5), and its major axis and cutting piece made from diamond radially have certain angle, and maximum angle is Arc cos(R-tmax)/R; Two adjacent inner blades of part in inner blade (2) both sides prop up and stud with collection sword piece (7) between the muscle (5), it is shaped as the wedge shape in wedge angle garden outside cutting piece made from diamond, and radially have certain angle with cutting piece made from diamond, maximum angle is Arc cos(R-tmax)/R; Collection sword piece (7) is made by superhard material, and its hardness is propped up the hardness that muscle (5) and outer blade prop up muscle (6) greater than inner blade.
5, cutting piece made from diamond according to claim 4 is characterized in that being set in two adjacent inner blades of part to prop up collection sword piece (7) between the muscle (5) is that circumferential height along cutting piece made from diamond is alternate and arranges in groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91228709 CN2112486U (en) | 1991-11-13 | 1991-11-13 | Cutter for diamond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91228709 CN2112486U (en) | 1991-11-13 | 1991-11-13 | Cutter for diamond |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2112486U true CN2112486U (en) | 1992-08-12 |
Family
ID=4934350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91228709 Granted CN2112486U (en) | 1991-11-13 | 1991-11-13 | Cutter for diamond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2112486U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317102C (en) * | 2004-07-07 | 2007-05-23 | 马彦初 | Diamond cutting knife used for optical glass and gem precision processing |
| CN102248604A (en) * | 2011-07-12 | 2011-11-23 | 山东日能超硬材料有限公司 | Composite abrasive grain superhard material nodulation-type cutter bit |
| CN101674912B (en) * | 2007-05-12 | 2012-05-23 | 阿尔诺·弗里德里希斯 | Method for the production of a circular saw blade having a cooling channel |
| CN104582903A (en) * | 2012-06-29 | 2015-04-29 | 圣戈班磨料磨具有限公司 | Abrasive article having reversible interchangeable abrasive segments |
| CN105216120A (en) * | 2015-09-22 | 2016-01-06 | 河南科技大学 | A kind of diamond cutter and preparation method thereof, diamond compound tool |
| CN106393461A (en) * | 2016-11-22 | 2017-02-15 | 韦明肯 | Water supply method of cutting piece of cutting machine |
| EP2938462B1 (en) * | 2012-12-31 | 2020-06-24 | Saint-Gobain Abrasives, Inc. | Abrasive article having abrasive segments with shaped gullet walls |
-
1991
- 1991-11-13 CN CN 91228709 patent/CN2112486U/en active Granted
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317102C (en) * | 2004-07-07 | 2007-05-23 | 马彦初 | Diamond cutting knife used for optical glass and gem precision processing |
| CN101674912B (en) * | 2007-05-12 | 2012-05-23 | 阿尔诺·弗里德里希斯 | Method for the production of a circular saw blade having a cooling channel |
| CN102248604A (en) * | 2011-07-12 | 2011-11-23 | 山东日能超硬材料有限公司 | Composite abrasive grain superhard material nodulation-type cutter bit |
| CN104582903A (en) * | 2012-06-29 | 2015-04-29 | 圣戈班磨料磨具有限公司 | Abrasive article having reversible interchangeable abrasive segments |
| EP2938462B1 (en) * | 2012-12-31 | 2020-06-24 | Saint-Gobain Abrasives, Inc. | Abrasive article having abrasive segments with shaped gullet walls |
| CN105216120A (en) * | 2015-09-22 | 2016-01-06 | 河南科技大学 | A kind of diamond cutter and preparation method thereof, diamond compound tool |
| CN105216120B (en) * | 2015-09-22 | 2017-11-21 | 河南科技大学 | A kind of diamond cutter and preparation method thereof, diamond compound tool |
| CN106393461A (en) * | 2016-11-22 | 2017-02-15 | 韦明肯 | Water supply method of cutting piece of cutting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |