CN100544865C - Milling cutting insert with combination cutting face - Google Patents
Milling cutting insert with combination cutting face Download PDFInfo
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- CN100544865C CN100544865C CNB2007100680486A CN200710068048A CN100544865C CN 100544865 C CN100544865 C CN 100544865C CN B2007100680486 A CNB2007100680486 A CN B2007100680486A CN 200710068048 A CN200710068048 A CN 200710068048A CN 100544865 C CN100544865 C CN 100544865C
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- knife
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Abstract
The present invention relates to have the milling cutting insert in combination cutting face, include the body of an installing hole, body has first knife face and second knife face at preceding each other or the end, and dividing equally on first knife face and the second knife face face has four corresponding cellular zones; Wherein any cellular zone side all is shaped on knife face behind the main cutting edge, point of a knife cutting edge, front cutting edge, point of a knife of arrangement, the second back knife face, main back knife face, minor flank; And, between the adjacent cellular zone with body centerline axis symmetry, between the cellular zone separately with body installing hole shaft core line symmetry.So the cutter that constitutes of structure had central cutting, negative rake function, and its point of a knife is with two negative back knife faces, thereby highlighted the main cutting edge ability, in conjunction with little relief angle, make cutter intensity better.Cutter is crossed central cutting, makes the cutting force that acts on the blade ascending descending again, reduces the impact that blade just begun the big cutting force that contacts and is directed at fracture.
Description
Technical field
The present invention relates to a kind of milling cutting insert that is installed on the coned cutter, is used for processing ball-type track on surface of the work with combination cutting face.
Background technology
Milling cutting insert on the existing milling cutter is formed with plane bottom side and plane side surface, the bottom side of this milling cutting insert is pressed against planar base in the blade pedestal, side surface is pressed against on the supporting side wall in the blade pedestal, so blade is fixed in the blade pedestal, it at work can be with suitable cutting speed work with suitable velocity of rotation rotary cutter.But the cutting force that acts on the blade can't be according to the needs of processing work, for example cutting force is ascending descending again, it is by stable cutting force, can't overcome blade and just begin the impact of the big cutting force that contacts and caused milling cutting insert fracture damage problem.U.S. Pat 6102630 has disclosed a kind of milling cutting insert, has the joint face of a back shape in its bottom side, and this joint face is used for cooperating with a similar joint face on the instrument, but the major cutting edge of its blade partly is a linearity.It can't overcome that blade has just begun the impact of the big cutting force that contacts and the defective that causes milling cutting insert fracture damage.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned prior art present situation, and a kind of main cutting edge ability that highlights is provided, in conjunction with little relief angle, make cutter intensity better have the combination cutting face milling cutting insert.It can realize that the cutting force on the blade is ascending, and is descending again, reduces impact that blade just begun the big cutting force that contacts and causes the effect of rupturing.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the milling cutting insert with combination cutting face, include the body of an installing hole, body has first knife face and second knife face at preceding each other or the end, and the technical measures of taking comprise: dividing equally on first knife face and the second knife face face has four corresponding cellular zones; Wherein any cellular zone side all is shaped on knife face behind the main cutting edge, point of a knife cutting edge, front cutting edge, point of a knife of arrangement, the second back knife face, main back knife face, minor flank; And, between the adjacent cellular zone with body centerline axis symmetry, between the cellular zone separately with body installing hole shaft core line symmetry.
The technical measures of optimizing also comprise: point of a knife cutting edge in arbitrary cellular zone and front cutting edge and this cellular zone center line are symmetrical, and knife face and minor flank and this cellular zone center line are symmetrical behind the point of a knife.
Normal and the angle between arbitrary body knife face by the main cutting edge tangent line are to bear 0 to spend to 20 degree.
Above-mentioned main back knife face is a taper seat, and the angle between this taper seat and the body installing hole shaft core line is 0 to spend to 15 and spend.
Behind arbitrary above-mentioned body knife face and the point of a knife between the knife face angle be negative 0 to spend to 15 degree.
The height of the second back knife face of above-mentioned main cutting edge is to be 3/5～9/10 of body total height.
The height of the second back knife face of above-mentioned main cutting edge is to be 3/4 of body total height.
Four above-mentioned cellular zones are respectively A cellular zone, B cellular zone, C cellular zone and D cellular zone; Corresponding A cellular zone is shaped on knife face behind knife face behind the A main cutting edge, A point of a knife cutting edge, A front cutting edge, A point of a knife of arrangement, the A second back knife face, the A master, A minor flank; Corresponding B cellular zone is shaped on knife face behind knife face behind the B main cutting edge, B point of a knife cutting edge, B front cutting edge, B point of a knife of arrangement, the B second back knife face, the B master, B minor flank; The corresponding C cellular zone is shaped on knife face behind knife face behind the C main cutting edge, C point of a knife cutting edge, C front cutting edge, C point of a knife of arrangement, the C second back knife face, the C master, C minor flank; The corresponding D cellular zone is shaped on knife face behind knife face behind the D main cutting edge, D point of a knife cutting edge, D front cutting edge, D point of a knife of arrangement, the D second back knife face, the D master, D minor flank.
Knife face, D minor flank are the sections of knife face behind the A master behind the above-mentioned B point of a knife;
Knife face, C minor flank are the sections of knife face behind the B master behind the A point of a knife;
Knife face, B minor flank are the sections of knife face behind the C master behind the D point of a knife;
Knife face, A minor flank are the sections of knife face behind the D master behind the C point of a knife.
Compared with prior art, divide equally four cellular zones that correspondence is arranged on the present invention's first knife face and the second knife face face; Wherein any cellular zone side all is shaped on knife face behind the main cutting edge, point of a knife cutting edge, front cutting edge, point of a knife of arrangement, the second back knife face, main back knife face, minor flank; And, between the adjacent cellular zone with body centerline axis symmetry, between the cellular zone separately with body installing hole shaft core line symmetry.So the cutter that constitutes of structure had central cutting, negative rake function, and its point of a knife is with two negative back knife faces, thereby highlighted the main cutting edge ability, in conjunction with little relief angle, make cutter intensity better.Cutter is crossed central cutting, makes the cutting force that acts on the blade ascending descending again, reduces the impact that blade just begun the big cutting force that contacts and is directed at fracture.
Description of drawings
Fig. 1 is the embodiments of the invention front elevational schematic;
Fig. 2 is that schematic diagram is looked on the right side of Fig. 1;
Fig. 3 is that schematic diagram is looked on the left side of Fig. 1;
Fig. 4 is the schematic rear view of Fig. 1;
Fig. 5 is the schematic top plan view of Fig. 1;
Fig. 6 is the schematic diagram of the A-A of Fig. 1 to view;
Fig. 7 is the partial schematic sectional view on the equipped handle of a knife of Fig. 1;
Fig. 8 is the schematic diagram that Fig. 7 overlooks.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Structure of the present invention sees that Fig. 1 is to shown in Figure 6.Milling cutting insert with combination cutting face includes the body 1 of an installing hole 11, and dividing equally before body 1 has each other or on 13 of first knife face 12 at the end and second knife face, 13, the first knife faces 12 and second knife faces has four corresponding cellular zones; Wherein any cellular zone side all is shaped on knife face behind the main cutting edge, point of a knife cutting edge, front cutting edge, point of a knife of arrangement, the second back knife face, main back knife face, minor flank; And, between the adjacent cellular zone with body 1 centerline axis symmetry, between the cellular zone separately with body 1 installing hole 11 shaft core line symmetries.
Point of a knife cutting edge in arbitrary cellular zone and front cutting edge and this cellular zone center line are symmetrical, and knife face and minor flank and this cellular zone center line are symmetrical behind the point of a knife.
Normal and the angle e between arbitrary body 1 knife face by the main cutting edge tangent line spend to 20 degree for negative 0.Above-mentioned main back knife face is a taper seat, and the angle h between this taper seat and body 1 installing hole 11 shaft core lines 0 spends to 15 and spends.Behind arbitrary above-mentioned body 1 knife face and the point of a knife between the knife face angle be negative 0 to spend to 15 degree.The height H 1 of the second back knife face of above-mentioned main cutting edge is to be 3/5～9/10 of body 1 overall height H.Height H 1 the best of the second back knife face of above-mentioned main cutting edge is to be 3/4 of body 1 overall height H.Four above-mentioned cellular zones are respectively A cellular zone, B cellular zone, C cellular zone and D cellular zone; Corresponding A cellular zone is shaped on knife face 6a, A minor flank 7a behind knife face 4a, the A second back knife face 5a behind the A main cutting edge 1a, A point of a knife cutting edge 2a, A front cutting edge 3a, A point of a knife of arrangement, the A master; Corresponding B cellular zone is shaped on knife face 6b, B minor flank 7b behind knife face 4b, the B second back knife face 5b behind the B main cutting edge 1b, B point of a knife cutting edge 2b, B front cutting edge 3b, B point of a knife of arrangement, the B master; The corresponding C cellular zone is shaped on knife face 6c, C minor flank 7c behind knife face 4c, the C second back knife face 5c behind the C main cutting edge 1c, C point of a knife cutting edge 2c, C front cutting edge 3c, C point of a knife of arrangement, the C master; The corresponding D cellular zone is shaped on knife face 6d, D minor flank 7d behind knife face 4d, the D second back knife face 5d behind the D main cutting edge 1d, D point of a knife cutting edge 2d, D front cutting edge 3d, D point of a knife of arrangement, the D master.Knife face 4b, D minor flank 7d are the sections of knife face 6a behind the A master behind the above-mentioned B point of a knife; Knife face 4a, C minor flank 7c are the sections of knife face 6b behind the B master behind the A point of a knife; Knife face 4d, B minor flank 7b are the sections of knife face 6c behind the C master behind the D point of a knife; Knife face 4c, A minor flank 7a are the sections of knife face 6d behind the D master behind the C point of a knife.
Install, process, dismantle and change the face explanation:
Extremely shown in Figure 8 as Fig. 7, install: select the cutting edge of A cellular zone and B cellular zone or C cellular zone and arbitrary group of cellular zone of D cellular zone to cut earlier earlier body 1, then with on the corresponding locating surface 21 and 22 that is positioned at handle of a knife 2 of the second back knife face 5c of the C cellular zone of body 1 and D cellular zone or A cellular zone and B cellular zone and 5d or 5a and 5b, when body 1 second after knife face 5c and 5d or 5a and 5b and corresponding locating surface 21 at handle of a knife 2 with after 22 closely contact, pass through handle of a knife 2 taper holes 25 with fixed screw 3 again, continue to follow rotational fixation screw 3 by body 1 installing hole 11, at last the screw thread 32 of fixed screw 3 is locked with handle of a knife 2 screwed holes 26 clockwise directions, in conjunction with contacting with the conical surface 31 of fixed screw 3 taper hole 25 with handle of a knife 2, make the stationary plane 24 of handle of a knife 2 and the rake face 12 of body 1, simultaneously, the stationary plane 23 of handle of a knife 2 is combined closely with the rake face 13 of body 1, and the body 1 that makes is firmly fixedly on the handle of a knife 2.
Processing: with the C cellular zone of body 1 and D cellular zone or A cellular zone and arbitrary group of cutting edge of B cellular zone firmly fixedly on the handle of a knife 2, make the cutting edge of overhanging A cellular zone and B cellular zone or C cellular zone and D unit carry out workpiece is cut with the center line rotation of handle of a knife 2.
Dismantle and change face: the cutting tip processing of the cutting edge of first group of cellular zone may wear to a certain degree until not continuing to add man-hour again, the screw thread of fixed screw 3 is unclamped counterclockwise to rotate, withdraw from the taper hole 25 of handle of a knife 2, body 1 can be clawed in handle of a knife 2, body 1 be changed second group of cutting edge with body 1 installing hole 11 shaft core lines from turnback lock again also and can process through described mode is installed again.So reaching a body 1 can reuse twice.
Though the present invention illustrates and describes by the reference preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.
Claims (2)
1, the milling cutting insert that has the combination cutting face, include the body (1) of an installing hole (11), body (1) has first knife face (12) and second knife face (13) at preceding each other or the end, it is characterized in that: dividing equally on described first knife face (12) and second knife face (13) face has four corresponding cellular zones; Wherein any cellular zone side all is shaped on knife face behind the main cutting edge, point of a knife cutting edge, front cutting edge, point of a knife of arrangement, the second back knife face, main back knife face, minor flank; And, between the adjacent cellular zone with body (1) centerline axis symmetry, between the cellular zone separately with body (1) installing hole (11) shaft core line symmetry; Arbitrary described cellular zone has along its center line symmetrical point of a knife cutting edge and front cutting edge, and knife face and minor flank and this cellular zone center line are symmetrical behind the point of a knife; Described normal and the angle between arbitrary described body (1) knife face by the main cutting edge tangent line is to bear 0 to spend to 20 degree; Described main back knife face is a taper seat, and the angle between this taper seat and body (1) installing hole (11) shaft core line is 0 to spend to 15 and spend; Behind arbitrary described body (1) knife face and the point of a knife between the knife face angle be negative 0 to spend to 15 degree; The height of the second back knife face of described main cutting edge is to be 3/5～9/10 of body (1) total height;
Described four cellular zones are respectively A cellular zone, B cellular zone, C cellular zone and D cellular zone; Corresponding A cellular zone is shaped on knife face (6a) behind knife face (4a) behind the A main cutting edge (1a), A point of a knife cutting edge (2a), A front cutting edge (3a), A point of a knife of arrangement, the A second back knife face (5a), the A master, A minor flank (7a); Corresponding B cellular zone is shaped on knife face (6b) behind knife face (4b) behind the B main cutting edge (1b), B point of a knife cutting edge (2b), B front cutting edge (3b), B point of a knife of arrangement, the B second back knife face (5b), the B master, B minor flank (7b); The corresponding C cellular zone is shaped on knife face (6c) behind knife face (4c) behind the C main cutting edge (1c), C point of a knife cutting edge (2c), C front cutting edge (3c), C point of a knife of arrangement, the C second back knife face (5c), the C master, C minor flank (7c); The corresponding D cellular zone is shaped on knife face (6d) behind knife face (4d) behind the D main cutting edge (1d), D point of a knife cutting edge (2d), D front cutting edge (3d), D point of a knife of arrangement, the D second back knife face (5d), the D master, D minor flank (7d).
2, the milling cutting insert with combination cutting face according to claim 1 is characterized in that: described
Knife face behind the B point of a knife (4b), D minor flank (7d) are the sections of knife face behind the A master (6a);
Knife face behind the A point of a knife (4a), C minor flank (7c) are the sections of knife face behind the B master (6b);
Knife face behind the D point of a knife (4d), B minor flank (7b) are the sections of knife face behind the C master (6c);
Knife face behind the C point of a knife (4c), A minor flank (7a) are the sections of knife face behind the D master (6d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100680486A CN100544865C (en) | 2007-04-13 | 2007-04-13 | Milling cutting insert with combination cutting face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100680486A CN100544865C (en) | 2007-04-13 | 2007-04-13 | Milling cutting insert with combination cutting face |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101058121A CN101058121A (en) | 2007-10-24 |
| CN100544865C true CN100544865C (en) | 2009-09-30 |
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ID=38864511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100680486A Expired - Fee Related CN100544865C (en) | 2007-04-13 | 2007-04-13 | Milling cutting insert with combination cutting face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100544865C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825306B (en) * | 2012-09-22 | 2015-05-20 | 宁波川景誉机械科技发展有限公司 | Ball head drill milling cutter |
-
2007
- 2007-04-13 CN CNB2007100680486A patent/CN100544865C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101058121A (en) | 2007-10-24 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090930 Termination date: 20160413 |